<?xml version='1.0' encoding='UTF-8'?><rss xmlns:atom="http://www.w3.org/2005/Atom" xmlns:openSearch="http://a9.com/-/spec/opensearchrss/1.0/" xmlns:blogger="http://schemas.google.com/blogger/2008" xmlns:georss="http://www.georss.org/georss" xmlns:gd="http://schemas.google.com/g/2005" xmlns:thr="http://purl.org/syndication/thread/1.0" version="2.0"><channel><atom:id>tag:blogger.com,1999:blog-7897520147100636213</atom:id><lastBuildDate>Thu, 05 Sep 2024 03:07:05 +0000</lastBuildDate><category>Atualidade Científica</category><category>Minuto Smile</category><category>Hora Tech</category><title>Update: faça o seu</title><description>O local onde Ciência, Tecnologia e Humor se cruzam</description><link>http://yunoupdate.blogspot.com/</link><managingEditor>noreply@blogger.com (Anonymous)</managingEditor><generator>Blogger</generator><openSearch:totalResults>13</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>25</openSearch:itemsPerPage><item><guid isPermaLink="false">tag:blogger.com,1999:blog-7897520147100636213.post-6674518139788709433</guid><pubDate>Wed, 29 Aug 2012 07:22:00 +0000</pubDate><atom:updated>2012-08-29T02:33:31.766-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">Minuto Smile</category><title>Rir é o melhor Remédio III</title><description>&lt;span style=&quot;background-color: white; font-family: Arial, Helvetica, sans-serif; text-align: -webkit-center;&quot;&gt;Não tente afogar as suas mágoas. Todas elas sabem nadar.&lt;/span&gt;
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&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixawpE7RqvF-kr_9FrcNP2cL2DtV7X6agUhbObNi599h-DvriFWywZM7nPrk8cHLRHQlnu7WXeri24HSzx6JT8kqpiTQGTiSJO0rTp8tHkmf0nkHDGvF1wY6BrzZ2XWJsnxU5x63ufvTI/s1600/nadr.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixawpE7RqvF-kr_9FrcNP2cL2DtV7X6agUhbObNi599h-DvriFWywZM7nPrk8cHLRHQlnu7WXeri24HSzx6JT8kqpiTQGTiSJO0rTp8tHkmf0nkHDGvF1wY6BrzZ2XWJsnxU5x63ufvTI/s1600/nadr.jpg&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
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&lt;span style=&quot;background-color: white; font-family: Arial, Helvetica, sans-serif; text-align: -webkit-center;&quot;&gt;Quando você começa a considerar que o seu pai tinha razão, aparece um filho que diz que você está sempre errado.&lt;/span&gt;
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&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWqzOmfiHzIl1r9tUVpdG-Opw6FyMfFWpnqFE1KUQXwNWwccFL5_TOm887lUZLjRaaZWPq-PqIyFY3KeAW9AzqxLVPULPlPltr_HzE0B1iJYoaX5vgKw3Q4yO6KqBFwOEMxkc9kp89SQA/s1600/bart-and-homer.gif&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;320&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWqzOmfiHzIl1r9tUVpdG-Opw6FyMfFWpnqFE1KUQXwNWwccFL5_TOm887lUZLjRaaZWPq-PqIyFY3KeAW9AzqxLVPULPlPltr_HzE0B1iJYoaX5vgKw3Q4yO6KqBFwOEMxkc9kp89SQA/s320/bart-and-homer.gif&quot; width=&quot;311&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Arial, Helvetica, sans-serif; font-size: small;&quot;&gt;A filha de 16 anos conversa com a mãe.&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Arial, Helvetica, sans-serif; font-size: small;&quot;&gt;-- Mãe, eu estou grávida...&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Arial, Helvetica, sans-serif; font-size: small;&quot;&gt;-- Mas filha, onde você estava com a cabeça?&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Arial, Helvetica, sans-serif; font-size: small;&quot;&gt;-- No pára-brisa, mãe.&lt;/span&gt;&lt;br /&gt;
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&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnAJJVq91p5qTm__HJ8eQMoNztt_JHz1fa3QwUfSHvMa8mriNTdOUVRLvaJTBNwnpoblZ0henB28BPY8rsUfvPhETYksguXvIY6IrPMVHTBfrpxcVJXmIpf-fxIkGurusdqScVGua7nCM/s1600/HappyCarCartoon-2.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnAJJVq91p5qTm__HJ8eQMoNztt_JHz1fa3QwUfSHvMa8mriNTdOUVRLvaJTBNwnpoblZ0henB28BPY8rsUfvPhETYksguXvIY6IrPMVHTBfrpxcVJXmIpf-fxIkGurusdqScVGua7nCM/s1600/HappyCarCartoon-2.jpg&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
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Na delegacia o policia prendeu o bêbado E o bêbado disse: - Você me prende hoje, mas amanha eu estou solto! Mas quando eu prender você, você nunca mais vai sair! E o policia, puto da vida: - E quem é você pra me ameaçar desse jeito? - Eu sou o coveiro do cemitério.
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&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgB61tA29Bjv7E8bwwddM-JcWj0yAT5c7ot_S3HpUoo6H9j07q79jLapYswWoLcCnrPPqDBKrcPg-punl5b6GQroPrcNBTK0lVeIHRadg_PloPtOBqERg5yjcWdkZNQNDlM-uEk8ZbgdSE/s1600/transferir.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgB61tA29Bjv7E8bwwddM-JcWj0yAT5c7ot_S3HpUoo6H9j07q79jLapYswWoLcCnrPPqDBKrcPg-punl5b6GQroPrcNBTK0lVeIHRadg_PloPtOBqERg5yjcWdkZNQNDlM-uEk8ZbgdSE/s1600/transferir.jpg&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
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Sabem qual é o inventor mais frustrado do mundo. É o inventor da sanita é que &amp;nbsp;toda a gente caga na invenção dele &amp;nbsp;lol.&lt;span style=&quot;font-family: Arial, Helvetica, sans-serif; font-size: small;&quot;&gt;&lt;br /&gt;&lt;/span&gt;
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</description><link>http://yunoupdate.blogspot.com/2012/08/rir-e-o-melhor-remedio-iii.html</link><author>noreply@blogger.com (Anonymous)</author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixawpE7RqvF-kr_9FrcNP2cL2DtV7X6agUhbObNi599h-DvriFWywZM7nPrk8cHLRHQlnu7WXeri24HSzx6JT8kqpiTQGTiSJO0rTp8tHkmf0nkHDGvF1wY6BrzZ2XWJsnxU5x63ufvTI/s72-c/nadr.jpg" height="72" width="72"/><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-7897520147100636213.post-7744258804491554902</guid><pubDate>Mon, 20 Aug 2012 18:47:00 +0000</pubDate><atom:updated>2012-08-20T13:56:17.233-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">Minuto Smile</category><title>Rir é o melhor Remédio II</title><description>&lt;div&gt;
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O trabalho não mata&lt;/b&gt;, mas não arrisque demais.&lt;br /&gt;
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&lt;a href=&quot;http://www.influx.com.br/imgblog/image/dia%20do%20trabalho.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;280&quot; src=&quot;http://www.influx.com.br/imgblog/image/dia%20do%20trabalho.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
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&lt;b&gt;Existem duas maneiras de argumentar com as mulheres.&lt;/b&gt; Nenhuma delas funciona.&lt;br /&gt;
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&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjsg7Gcdk1ZY8l7eBjOTL48lzpLo8nJhyphenhyphen2sGX_93lOn3gyHuCDqnej_g3cR2SuuDr82aFHwKP_dMVFXO_TuLIn9AexuWj_HKowDZ51B90wOZOOf6skvCZw1HI1btFuR0OFBVLbZSDbFewA/s1600/casal_briga.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;213&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjsg7Gcdk1ZY8l7eBjOTL48lzpLo8nJhyphenhyphen2sGX_93lOn3gyHuCDqnej_g3cR2SuuDr82aFHwKP_dMVFXO_TuLIn9AexuWj_HKowDZ51B90wOZOOf6skvCZw1HI1btFuR0OFBVLbZSDbFewA/s320/casal_briga.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
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&amp;nbsp;Dois amigos conversam quando passa um carro com o escape roto:&lt;br /&gt;
- Estás a ver aquele tipo? Aquele carro faz um barulhão! Quando vai para casa, ainda está a 100m e a mulher já o topou! É claro, mete logo o amante fora de casa, e ele é encornado sem saber.&lt;br /&gt;
- Não está mal visto, não senhor...&lt;br /&gt;
Entretanto passa uma motorizada barulhenta.&lt;br /&gt;
- Olha este!! Este então é corno a vida toda e nunca chega a saber! Ainda ele está a 300m e já a mulher pôs o amante fora de casa!&lt;br /&gt;
- Realmente tens razão! Nunca tinha pensado nisso...&lt;br /&gt;
- Olha só o meu caso: só ando de bicicleta, sapatos de borracha silenciosos, e esta semana já lá apanhei 2!&lt;br /&gt;
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&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjG5O2auPrU-UZUO7kgaJbxkuxPKzFK9ETpMJdvhdSlls_sCTnIS4tFrLLXayZgwobRRedkhL2oYOVgrvNQbJDZRIgxAIm8xWAaDoMTjbzVRlD_nQw63ixTgOFBP9RdQ4SPphBngTZamqQm/s1600/_Amante_Idiota.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;320&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjG5O2auPrU-UZUO7kgaJbxkuxPKzFK9ETpMJdvhdSlls_sCTnIS4tFrLLXayZgwobRRedkhL2oYOVgrvNQbJDZRIgxAIm8xWAaDoMTjbzVRlD_nQw63ixTgOFBP9RdQ4SPphBngTZamqQm/s320/_Amante_Idiota.jpg&quot; width=&quot;228&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
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A &lt;b&gt;loira&lt;/b&gt; entra na pastelaria e diz:&lt;br /&gt;
- Tem bolos?&lt;br /&gt;
- Acabaram agora mesmo de sair.&lt;br /&gt;
- Oh, que pena... E não sabe quando voltam?&lt;br /&gt;
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&lt;a href=&quot;http://ragemaker.net/images/Female%20Blonde/blonde_facepalm.png&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; src=&quot;http://ragemaker.net/images/Female%20Blonde/blonde_facepalm.png&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
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</description><link>http://yunoupdate.blogspot.com/2012/08/rir-e-o-melhor-remedio-ii.html</link><author>noreply@blogger.com (Anonymous)</author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjsg7Gcdk1ZY8l7eBjOTL48lzpLo8nJhyphenhyphen2sGX_93lOn3gyHuCDqnej_g3cR2SuuDr82aFHwKP_dMVFXO_TuLIn9AexuWj_HKowDZ51B90wOZOOf6skvCZw1HI1btFuR0OFBVLbZSDbFewA/s72-c/casal_briga.jpg" height="72" width="72"/><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-7897520147100636213.post-3425874119428540859</guid><pubDate>Fri, 17 Aug 2012 20:43:00 +0000</pubDate><atom:updated>2012-08-19T08:21:14.714-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">Atualidade Científica</category><title>Doença de Alzheimer - Parte II</title><description>&lt;div style=&quot;text-align: justify;&quot;&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; Como vimos no último post sobre o Alzheimer, placas amilóides e &quot;novelos&quot; neurofibrilhares são características da doença de Alzheimer, de acordo com a teoria predominante.&amp;nbsp;&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; Quais as bases bioquímicas destas alterações características da patologia? Mais, como podemos determinar a presença destas alterações? Há biomarcadores capazes de auxiliar o diagnóstico da doença?&lt;/span&gt;&lt;br /&gt;
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&amp;nbsp; &lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp;&lt;span style=&quot;background-color: white;&quot;&gt; As placas amilóides resultam da divisão de uma proteína cerebral, a proteína precursora amilóide, em peptídeos, neste caso, peptídeo&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;text-indent: 35.4pt;&quot;&gt;&lt;span style=&quot;background-color: white; font-family: &#39;Lucida Grande&#39;;&quot;&gt;β-amilóide (uma proteína é uma macromolécula constituída por peptídeos, que por sua vez são formados por aminoácidos). Esses peptídeos amilóides agregam-se em placas, características da patologia. &lt;b&gt;Mas como se podem detetar essas placas amilóides?&lt;/b&gt;&amp;nbsp;Através de métodos de imagiologia cerebral, nomeadamente, com a utilização do agente &lt;i&gt;Pittsburgh Compound-B&lt;/i&gt;, ou PIB. O PIB liga-se aos depósitos amilóides e torna-os mais visíveis (realça a imagem), numa imagem obtida por tomografia por emissão de positrões (PET).&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;background-color: white;&quot;&gt;&lt;span style=&quot;text-indent: 35.4pt;&quot;&gt;&lt;span style=&quot;font-family: Lucida Grande;&quot;&gt;&amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; text-indent: 35.4pt;&quot;&gt;Já os &quot;novelos fibrilhares&quot; são compostos por proteína tau. A proteína tau existe em duas formas no organismo: &lt;b&gt;forma fosforilada&lt;/b&gt;&amp;nbsp;e &lt;b&gt;forma desfosforilada&lt;/b&gt;. A &lt;b&gt;fosforilação&lt;/b&gt;&amp;nbsp;é um mecanismo que as células utilizam em numerosas &lt;b&gt;vias de sinalização&lt;/b&gt;. As vias de sinalização, por sua vez, são muitos importantes para determinar qual a resposta celular a cada estímulo e alterações nestas estão implicadas em inúmeras doenças, tal como cancro. Quando se fala em &lt;b&gt;proteína total&lt;/b&gt;, estamos a falar quer da forma fosforilada, quer da forma desfosforilada e a quantificação da proteína total e de uma das outras formas, é frequentemente utilizada em Medicina. Assim, quando falamos em &lt;b&gt;tau total&lt;/b&gt;, referimo-nos ao conjunto de tau fosforilado e desfosforilado. Para o diagnóstico do Alzheimer, interessar-nos-à, eventualmente, o doseamento da&amp;nbsp;&lt;b&gt;tau total&lt;/b&gt;&amp;nbsp;e da&amp;nbsp;&lt;b&gt;tau fosforilado.&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; text-indent: 35.4pt;&quot;&gt;&lt;b style=&quot;background-color: white;&quot;&gt;&amp;nbsp;&amp;nbsp;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;background-color: white;&quot;&gt;&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; text-indent: 35.4pt;&quot;&gt;&lt;b&gt;&amp;nbsp; &amp;nbsp;&lt;/b&gt;Estudos efetuados por equipas médicas na Europa e nos EUA demonstraram que, quando menores os níveis de &lt;b&gt;proteína beta&lt;/b&gt;&lt;/span&gt;&lt;span style=&quot;font-family: &#39;Lucida Grande&#39;; text-indent: 47px;&quot;&gt;&lt;b&gt;-amilóide&lt;/b&gt; 42 (A&lt;/span&gt;&lt;span style=&quot;text-indent: 47px;&quot;&gt;&lt;span style=&quot;font-family: Lucida Grande;&quot;&gt;β-42) no &lt;/span&gt;&lt;b&gt;&lt;span style=&quot;font-family: Lucida Grande;&quot;&gt;líquido cefalorraquidia&lt;/span&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;no &lt;/span&gt;&lt;/b&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;(fluido corporal&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;span style=&quot;line-height: 19px;&quot;&gt;&amp;nbsp;estéril e de aparência clara que ocupa o&amp;nbsp;&lt;/span&gt;espaço subaracnóide&amp;nbsp;&lt;span style=&quot;line-height: 19px;&quot;&gt;no&amp;nbsp;&lt;/span&gt;cérebro)&lt;span style=&quot;text-indent: 47px;&quot;&gt;, maiores os níveis de deposição amilóide no cérebro, um importante indicador de Alzheimer. Foi demostrada também uma &lt;b&gt;correlação direta &lt;/b&gt;entre a quantidade de &lt;b&gt;&quot;novelos fibrilhares&quot;&lt;/b&gt; e a quantidade de &lt;b&gt;tau total &lt;/b&gt;e &lt;b&gt;tau fosforilado&lt;/b&gt;.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;background-color: white;&quot;&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;span style=&quot;text-indent: 47px;&quot;&gt;&amp;nbsp; &amp;nbsp; Pensa-se assim que, medindo os níveis das 3 proteínas&lt;b&gt;&amp;nbsp;&lt;/b&gt;(&lt;b&gt;proteína beta-amilóide 42, tau total e tau fosforilado)&lt;/b&gt;&amp;nbsp;no líquido cefalorraquidiano, através de uma &lt;b&gt;punção lombar&lt;/b&gt;, seja possível diagnosticar ou afastar o cenário da existência da doença de Alzheimer. Isto constituiria um &lt;b&gt;biomarcador da doença de Alzheimer&lt;/b&gt;, com futura utilidade clínica, quando se verificasse o padrão:&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-family: &#39;Lucida Grande&#39;; text-indent: 47px;&quot;&gt;A&lt;/span&gt;&lt;span style=&quot;text-indent: 47px;&quot;&gt;&lt;span style=&quot;font-family: Lucida Grande;&quot;&gt;β-42 baixo (*), tau total elevado e tau fosforilado elevado.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;text-indent: 47px;&quot;&gt;&lt;span style=&quot;background-color: white; font-family: Lucida Grande;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;text-indent: 47px;&quot;&gt;&lt;span style=&quot;font-family: Lucida Grande;&quot;&gt;* Níveis de&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;span style=&quot;font-family: &#39;Lucida Grande&#39;; text-indent: 47px;&quot;&gt;A&lt;/span&gt;&lt;span style=&quot;text-indent: 47px;&quot;&gt;&lt;span style=&quot;font-family: Lucida Grande;&quot;&gt;β-42 obtidos via punção lombar espera-se que sejam&amp;nbsp;&lt;b&gt;baixos&lt;/b&gt;&amp;nbsp;&lt;u&gt;num doente com Alzheimer&lt;/u&gt;&amp;nbsp;não devido à inexistência da proteína, mas sim&amp;nbsp;porque a &lt;b&gt;medição &lt;/b&gt;é feita no &lt;b&gt;líquido cefalorraquidiano &lt;/b&gt;e a proteína está depositada no cérebro, sob a forma de placas, pelo que a sua concentração no líquido cefalorraquidiano (onde se efetuou a medição) é menor.&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
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</description><link>http://yunoupdate.blogspot.com/2012/08/biomarcadores-do-alzheimer-parte-ii.html</link><author>noreply@blogger.com (Anonymous)</author><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-7897520147100636213.post-2812574110636075400</guid><pubDate>Fri, 17 Aug 2012 09:56:00 +0000</pubDate><atom:updated>2012-08-24T04:09:36.137-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">Hora Tech</category><title>Tutorial Java</title><description>&lt;div style=&quot;text-align: left;&quot;&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; text-align: justify;&quot;&gt;&amp;nbsp; &amp;nbsp; Java é uma linguagem de programação orientada a objectos. Antes de começar a programar, ficam aqui uns pequenos conceitos importantes para compreender o funcionamento desta linguagem. Uma classe &amp;nbsp;é uma especificação de um conjunto de características (atributos/propriedades) e/ou de um conjunto de comportamentos(métodos); também podemos ver uma classe como um tipo de dado, e os objectos são construídos a partir de classes.&amp;nbsp;&lt;/span&gt;&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; text-align: justify;&quot;&gt;Um objecto é uma instância de uma classe. Em Java, para criarmos um objecto, usamos o operador de alocação new.&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; Um array é como um &quot;recipiente&quot; que pode conter &quot;coisas&quot;, e é &amp;nbsp;nisto que este tutorial se vai focar. Vamos então explicar como adicionar, remover e pecorrer elementos num array.&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; Para este tutorial, utilizarei o programa netbeans para desenvolver e testar o codigo. Se não tiveres o netbeans ou outra plataforma para desenvolver o código , podes fazer o download do netbeans neste site&lt;/span&gt;&lt;a href=&quot;http://netbeans.org/downloads/&quot; style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot; target=&quot;_blank&quot;&gt;http://netbeans.org/downloads/&lt;/a&gt;&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt; .&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;span style=&quot;white-space: pre;&quot;&gt;&amp;nbsp;   &lt;/span&gt;Antes de mais temos de abrir o netbeans, clica em File-&amp;gt;New Project, escolhe java e depois java application. Dá um nome ao projecto, por exemplo, teste, depois de criado o projecto teste vais clicar, numa coisa parecida com uma caixa com o botão do lado direito. Vais a New, e clicas em java class (e não em java main classe, porque é algo diferente), atribuis outra vez um nome, como por exemplo, ClasseArray.&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; Chegou a altura de programar mesmo. Vamos começar a desenvolver ver o código na classe ClasseArray:&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;span style=&quot;white-space: pre;&quot;&gt;&amp;nbsp;   &lt;/span&gt;Primeiro vamos declarar uma variável de instância: private int[] array1 = new int[0]. Esta variável é do tipo inteiro, se repararem a seguir a int ela tem isto[] isto significa que é um array, neste caso um array de inteiros e tem &amp;nbsp;um tamanho de 0 , e tem o nome de array1. Devem também ter reparado nesta palavra private. Neste tutorial, não vamos falar disto, para ficares já já com uma ideia, trata-se de um modificador de acesso.&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;span class=&quot;Apple-tab-span&quot; style=&quot;white-space: pre;&quot;&gt; &lt;/span&gt;Em seguida, vamos escrever um método bastante importante: o Construtor.Os construtores de uma classe são todos os métodos especiais que são declarados na classe tendo por identificador o nome exacto da classe, sendo que este método pode conter argumentos mas no nosso caso não é necessário.&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;public ClasseArray() {&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;span style=&quot;white-space: pre;&quot;&gt;&amp;nbsp;   &lt;/span&gt;Vamos começar a fazer os métodos, primeiro vamos fazer um método que percora um array, Cada item de um array é denominado de elemento.Podemos aceder a cada um dos elementos pelo seu index numérico como podemos ver na figura.&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; Para declarar um método nos precisamos de pôr o tipo que ele retorna. Neste caso, é String e a seguir do nome e este segue-se (). Como podem ver no método listar, nós declaramos uma variável String. Relembro que é uma boa pratica inicializar sempre as variáveis.&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;span class=&quot;Apple-tab-span&quot; style=&quot;white-space: pre;&quot;&gt; &lt;/span&gt;Em seguida estamos a utilizar o ciclo for, que de certeza que é vosso conhecido, por isso não vou estar a explicar o que faz.&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;span class=&quot;Apple-tab-span&quot; style=&quot;white-space: pre;&quot;&gt; &lt;/span&gt;O que este método faz é pecorrer o array1, e o que estiver dentro desse array vai para a variavel dados, quando o ciclo acaba retorna os dados.&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; Agora vamos adicionar um elemento ao array, este método igual ao outro, mas tem uma pequena diferença é que este método recebe um parâmetro, o &amp;nbsp;número, que é &amp;nbsp;o número que vamos adicionar ao array. Para adicionarmos um elemento a um array, vamos criar um outro array, no entanto, este é temporário e vai ter o tamanho do array1+1. Se pensarem bem faz todo o sentido, depois temos o for, durante este ciclo tudo o que esta no array1 &amp;nbsp;vai para o array tmp, em seguida vamos adicionar o número ao array tmp (tmp[array1.length] = numero) depois vamos dizer que o &amp;nbsp;array1 vai ser = ao tmp.&lt;/span&gt;&lt;/div&gt;
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&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWB-PWIBuGT5pcuDwJsBlRpTMse2iFQklXAY1TRWB6Yp0VDyw2MMbFkTAepSV3TsBamuMarZOusubkkf-fbcOH9VFKMq1XDW9VVhSwoInKNsD0rRRBcbF2H_eyIiSprGaygEd8ENItsr4/s1600/aulajava4.png&quot; imageanchor=&quot;1&quot; style=&quot;clear: left; float: left; margin-bottom: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;121&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjWB-PWIBuGT5pcuDwJsBlRpTMse2iFQklXAY1TRWB6Yp0VDyw2MMbFkTAepSV3TsBamuMarZOusubkkf-fbcOH9VFKMq1XDW9VVhSwoInKNsD0rRRBcbF2H_eyIiSprGaygEd8ENItsr4/s320/aulajava4.png&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; Para remover um elemento do array o raciocínio é o mesmo que o outro, só que neste em vez de receber o numero vai receber a posição do elemento que queremos eliminar. Nós aqui temos um if porque se a posicao introduzida for menor que 0 ou maior do que o tamanho do array é impossível remover uma coisa que não existe, no segundo for nos temos tmp[i-1]=array1[i]; se reparem o i é a nossa&amp;nbsp;posição&amp;nbsp;+1 ou seja saltamos a&amp;nbsp;posição&amp;nbsp;que queremos eliminar no nosso array1, e copiamos para o nosso array tmp o&amp;nbsp;conteúdo&amp;nbsp;do array1 sem a&amp;nbsp;posição&amp;nbsp;que queremos eliminar, dai o tmp estar[i-1].&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; Agora chega a parte de verificar o nosso trabalho, agora vamos a classe Teste, &amp;nbsp;e vamos testar.&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;span style=&quot;white-space: pre;&quot;&gt;&amp;nbsp;   &lt;/span&gt;Para declarar uma variável e preciso sempre indicar o tipo e, é o que fizemos aqui: uma variavel com o nome ca do tipo ClasseArray; quando nos fazemos new ClasseArray estamos a criar um objecto e estamos a fazê-lo a partir do construtor. Agora sempre que quiseres chamar os métodos, pões o nome da variável ca.escolhes o metodo.&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; Se quiseres saber uma forma muito mais simples e rápida de manipular dados, deixa um comentário.&amp;nbsp;&lt;/span&gt;&lt;/div&gt;
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</description><link>http://yunoupdate.blogspot.com/2012/08/tutorial-java.html</link><author>noreply@blogger.com (Anonymous)</author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjKYbV-EHxG9o3KBVgabSAQCbBFzPEBYvTt1F7wHkUz8rRwpR3RjabTRxRkDEFzaNl3znTBxZ8NhYhccPTlx9P8q5f8zPnlGoKO4eqvAL98j1UPa8tgplDYgkPIua3wiQK6lHE_aMHSnnI/s72-c/aulajava.png" height="72" width="72"/><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-7897520147100636213.post-4906061686139412882</guid><pubDate>Sun, 12 Aug 2012 20:51:00 +0000</pubDate><atom:updated>2012-08-19T06:35:45.935-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">Minuto Smile</category><title>Porque rir é o melhor remédio...</title><description>&lt;div&gt;
&lt;b&gt;Os &quot;CORNOS&quot; não existem!&lt;/b&gt; Isso foram coisas que te meteram na cabeça. Ok!?&lt;br /&gt;
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&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiM7YsPJRPetXVdgq3YJF7EcWO8CctHS0TtM8NhBa29kkEd4tsH7CIDQtUsEgtL6ZUMoYEp_H2781wAR_19dEAI0GLUkiYl140_jQ4zsB78ycT88A8bVPcKBu-lFAKhLcEnIp-rNE9qmdk/s1600/marido_corno_thumb%5B5%5D.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;244&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiM7YsPJRPetXVdgq3YJF7EcWO8CctHS0TtM8NhBa29kkEd4tsH7CIDQtUsEgtL6ZUMoYEp_H2781wAR_19dEAI0GLUkiYl140_jQ4zsB78ycT88A8bVPcKBu-lFAKhLcEnIp-rNE9qmdk/s320/marido_corno_thumb%5B5%5D.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
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&lt;a name=&#39;more&#39;&gt;&lt;/a&gt;&lt;br /&gt;
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&lt;b&gt;O cérebro é um órgão maravilhoso.&lt;/b&gt; Começa a trabalhar logo que acordamos e só pára quando chegamos ao serviço.&lt;br /&gt;
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&lt;a href=&quot;http://cdn.controlinveste.pt/Storage/JN/2011/big/ng1759213.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;213&quot; src=&quot;http://cdn.controlinveste.pt/Storage/JN/2011/big/ng1759213.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
&lt;br /&gt;
&lt;b&gt;Quem é que mandava no mundo antes de Cristo?&lt;/b&gt; Boss AC, o boss antes de cristo.&lt;br /&gt;
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&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4L8S7TnmxYi8IAmmv2PDzDMO7yGGr0ndpSYcULWGmYTAYJsDCwF3eqXB3q7DQIn7iIF526eyRSnSQ8UncsCWm4_8Xa8-in95NvEMEDYMEa2EvELkFRZxtOPz8K-dYpAO5ukgDmXQV7AtS/s1600/Boss+Ac.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;246&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4L8S7TnmxYi8IAmmv2PDzDMO7yGGr0ndpSYcULWGmYTAYJsDCwF3eqXB3q7DQIn7iIF526eyRSnSQ8UncsCWm4_8Xa8-in95NvEMEDYMEa2EvELkFRZxtOPz8K-dYpAO5ukgDmXQV7AtS/s320/Boss+Ac.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
&lt;br /&gt;
&lt;b&gt;Todos os cogumelos são comestíveis. &lt;/b&gt;Alguns, uma só vez.&lt;br /&gt;
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&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4BgRK1tMbDT_qYYtiTwNmtqxBenytjbkCIRREK8wcY60BuU7zNKVN8Xtd9AtHdGo-_2lGdQj52eTBaka4g1lUxZnTwsNCyFt6r1KW4t_5z8xz6HhaUCrw_rjJo10yKrDzyj5eVEP0ILs/s1600/Mushroom_1.png&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;320&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh4BgRK1tMbDT_qYYtiTwNmtqxBenytjbkCIRREK8wcY60BuU7zNKVN8Xtd9AtHdGo-_2lGdQj52eTBaka4g1lUxZnTwsNCyFt6r1KW4t_5z8xz6HhaUCrw_rjJo10yKrDzyj5eVEP0ILs/s320/Mushroom_1.png&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
&lt;br /&gt;
&lt;b&gt;Estão duas folhas numa impressora&lt;/b&gt; e uma vira-se para a outra: &quot;há quanto tempo estás aqui?&quot;. A outra responde &quot;A4 dias&quot;.&lt;br /&gt;
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&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXInwpV195ufn8JpmOldmGqLsiZh4xeHHtLfB2ym2WkMkooB8E0qT5gAIqszVcjO-RiTdbToe1fM9xc6Nu6tz4TuBUl0ruxPESpiDiHGfWF1CMWnER8Dgb4myVxrSlEo8zVH5kYwBD5_Qr/s1600/impressoras2.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;320&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhXInwpV195ufn8JpmOldmGqLsiZh4xeHHtLfB2ym2WkMkooB8E0qT5gAIqszVcjO-RiTdbToe1fM9xc6Nu6tz4TuBUl0ruxPESpiDiHGfWF1CMWnER8Dgb4myVxrSlEo8zVH5kYwBD5_Qr/s320/impressoras2.jpg&quot; width=&quot;233&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
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</description><link>http://yunoupdate.blogspot.com/2012/08/porque-rir-e-o-melhor-remedio.html</link><author>noreply@blogger.com (Anonymous)</author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiM7YsPJRPetXVdgq3YJF7EcWO8CctHS0TtM8NhBa29kkEd4tsH7CIDQtUsEgtL6ZUMoYEp_H2781wAR_19dEAI0GLUkiYl140_jQ4zsB78ycT88A8bVPcKBu-lFAKhLcEnIp-rNE9qmdk/s72-c/marido_corno_thumb%5B5%5D.jpg" height="72" width="72"/><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-7897520147100636213.post-7460980940694690853</guid><pubDate>Sun, 05 Aug 2012 22:03:00 +0000</pubDate><atom:updated>2012-08-19T06:34:57.555-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">Atualidade Científica</category><title>Doença de Alzheimer: patologia e biomarcadores (Parte I)</title><description>&lt;div&gt;
&lt;div style=&quot;text-align: justify;&quot;&gt;
&amp;nbsp;&amp;nbsp;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; As alterações cerebrais que conduzem à doença de Alzheimer começam anos antes do aparecimento dos sintomas clínicos, como a falta de memória. Sabendo isso, os cientistas há bastante tempo que procuram sinais biológicos/moléculas que sejam capazes de permitir &lt;b&gt;identificar precocemente&lt;/b&gt;&amp;nbsp;o futuro surgimento da doença, para poder antecipar o tratamento e evitar ou, pelo menos, atrasar o aparecimento desta doença neurológica que se caracteriza por um declíneo progressivo das capacidades cognitivas. Sendo considerada um tipo de demência, foi descrita, inicialmente em 1906 por&amp;nbsp;Alois Alzheimer, de quem herdou o nome.&lt;/span&gt;&lt;/div&gt;
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&lt;a href=&quot;http://www.alz.org/braintour/images/alzheimer_brain.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;320&quot; src=&quot;http://www.alz.org/braintour/images/alzheimer_brain.jpg&quot; width=&quot;310&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
&lt;div style=&quot;text-align: center;&quot;&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;i&gt;Comparação entre cérebro saudável (à esquerda) com um cérebro afetado pelo Alzheimer (à direita).&lt;/i&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style=&quot;text-align: center;&quot;&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;i&gt;&lt;br /&gt;&lt;/i&gt;&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;/span&gt;&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;Na cardiologia, uma simples análise ao sangue revela os níveis de colesterol LDL (colesterol associado às lipoproteínas de baixa densidade, o &quot;colesterol mau&quot;) que constituem um biomarcador que &lt;/span&gt;&lt;u style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;indicia o risco de desenvolvimento&lt;/u&gt;&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt; de ataque cardíaco e leva à tomada de &lt;/span&gt;&lt;b style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;medidas profiláticas&lt;/b&gt;&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;, isto é, que procuram evitar a doença (ou limitar a sua propagação no caso de uma doença infecto-contagiosa).&lt;/span&gt;&lt;/div&gt;
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&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTlk97HilurTiKt6_LtYS25081824zNlHKoYOohWyFx1FeEoFqY9oLs8FvIm_RtEpd8X-eK0uz3mlVVAVUA1EsLfJ6KoWJEZHA5dst5r75FZ1vGVN0N2JUVzZiQAP4itGmqurR-Vq30vc/s1600/BIOMARCADOR_BIPOLAR.jpg&quot; imageanchor=&quot;1&quot; style=&quot;clear: right; float: right; margin-bottom: 1em; margin-left: 1em; text-align: justify;&quot;&gt;&lt;img border=&quot;0&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTlk97HilurTiKt6_LtYS25081824zNlHKoYOohWyFx1FeEoFqY9oLs8FvIm_RtEpd8X-eK0uz3mlVVAVUA1EsLfJ6KoWJEZHA5dst5r75FZ1vGVN0N2JUVzZiQAP4itGmqurR-Vq30vc/s1600/BIOMARCADOR_BIPOLAR.jpg&quot; /&gt;&lt;/a&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;/span&gt;&lt;br /&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;b&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; Mas o que é um biomarcador? &lt;/b&gt;Biomarcadores são proteínas e outras substâncias associadas a patologias da doença. Apresentam elevada e dupla utilidade, uma vez que: permitem identificar uma doença instalada e assim, em princípio, o médico pode definir um plano de tratamento mais adequado e específico; ou, como no caso do colesterol LDL, biomarcadores característicos do desenvolvimento de uma doença antes de esta causar sintomas (&lt;b&gt;fase pré-clínica&lt;/b&gt;), o que permite tomar medidas (fármacos ou alteração de estilo de vida) para atrasar o progresso da doença (e o aparecimento dos sintomas) ou mesmo evitar, se possível, que o surgimento dela.&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; Atualmente, não há nada para a doença de Alzheimer que se assemelhe à análise sanguínea para o Alzheimer. Outro problema é o facto de, até ao momento, os estudos sobre eventuais tratamentos capazes de &lt;u&gt;modificar a doença&lt;/u&gt; para atrasá-la ou evitá-la, revelaram-se infrutíferos. Continuam, no entanto, os estudos sobre biomarcadores da doença que permitam, pelo menos, ter um maior grau de certeza sobre o diagnóstico: para que os sintomas do Alzheimer não sejam confundidos com outro tipo de demência. Além disso, acredita-se que, &lt;b&gt;quando se obtiverem fármacos modificadores da doença, eles terão de ser aplicados precocemente&lt;/b&gt;&amp;nbsp;para fazer efeito. Urge, então, encontrar &lt;b&gt;biomarcadores&lt;/b&gt;&amp;nbsp;para que algum futuro tratamento surta efeito.&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif; font-size: large;&quot;&gt;&lt;b&gt;&lt;i&gt;Patologia do Alzheimer&lt;/i&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; font-size: small; font-weight: normal; text-align: justify;&quot;&gt;&lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: left;&quot;&gt;
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&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhd8QJYVh7SpYX___1UedBtHht40n9X3AGHZSNzJYfPF8g1jX_p2sitX_ZhJxJeeHfb_fdc2uRFjKNIT0yoILhQ2mf_DYtyDeyFOqHF7oC6W0gCsKa0ihcrY3-bJ5d45KQefzb-wDGjn1k/s1600/idososff.bmp&quot; imageanchor=&quot;1&quot; style=&quot;clear: left; float: left; margin-bottom: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;200&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhd8QJYVh7SpYX___1UedBtHht40n9X3AGHZSNzJYfPF8g1jX_p2sitX_ZhJxJeeHfb_fdc2uRFjKNIT0yoILhQ2mf_DYtyDeyFOqHF7oC6W0gCsKa0ihcrY3-bJ5d45KQefzb-wDGjn1k/s200/idososff.bmp&quot; width=&quot;163&quot; /&gt;&lt;/a&gt;&lt;span style=&quot;text-align: justify;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;O diagnóstico de Alzheimer é feito atualmente com base nos sinais e sintomas clinícos: &amp;nbsp;perda progressiva de memória, declínio nas capacidades cognitivas, alterações marcadas do humor e personalidade bem como problemas comportamentais. No entanto, este método é falível e claramente insuficiente pois estes sintomas são comuns a outros tipos de demência.&lt;/span&gt;&lt;span style=&quot;text-align: justify;&quot;&gt;Pensa-se que há uma evolução da patologia em 3 fases: &lt;/span&gt;&lt;span style=&quot;text-align: justify;&quot;&gt;alterações imperceptíveis&lt;/span&gt;&lt;span style=&quot;text-align: justify;&quot;&gt;;&amp;nbsp;&lt;/span&gt;&lt;span style=&quot;text-align: justify;&quot;&gt;déficit cognitivo ligeiro&lt;/span&gt;&lt;span style=&quot;text-align: justify;&quot;&gt;;&lt;/span&gt;&lt;span style=&quot;text-align: justify;&quot;&gt;doença de Alzheimer.&amp;nbsp;&lt;/span&gt;&lt;/div&gt;
&lt;/span&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;div style=&quot;text-align: justify;&quot;&gt;
&lt;span style=&quot;font-size: small;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;/span&gt;&lt;span style=&quot;font-size: small; font-weight: normal;&quot;&gt;A atual pesquisa de biomarcadores prende-se essencialmente com duas alterações presentes nesta doença degenerativa: &lt;/span&gt;&lt;span style=&quot;font-size: small;&quot;&gt;placas amilóides&lt;span style=&quot;font-weight: normal;&quot;&gt;&amp;nbsp;e &quot;&lt;/span&gt;novelos&quot; neurofibrilhares.&amp;nbsp;&lt;/span&gt;&lt;/div&gt;
&lt;div style=&quot;text-align: justify;&quot;&gt;
&lt;span style=&quot;font-weight: normal;&quot;&gt;&lt;span style=&quot;font-size: small;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style=&quot;text-align: justify;&quot;&gt;
&lt;span style=&quot;font-weight: normal;&quot;&gt;&lt;span style=&quot;font-size: small;&quot;&gt;(Continua...)&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;/span&gt;&lt;/h2&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif; font-size: x-small;&quot;&gt;&lt;b&gt;Fonte: &lt;/b&gt;Harvard Mental Health Letter (Jan-Fev 2011)&lt;/span&gt;&lt;/div&gt;
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</description><link>http://yunoupdate.blogspot.com/2012/08/doenca-de-alzheimer-patologia-e.html</link><author>noreply@blogger.com (Anonymous)</author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTlk97HilurTiKt6_LtYS25081824zNlHKoYOohWyFx1FeEoFqY9oLs8FvIm_RtEpd8X-eK0uz3mlVVAVUA1EsLfJ6KoWJEZHA5dst5r75FZ1vGVN0N2JUVzZiQAP4itGmqurR-Vq30vc/s72-c/BIOMARCADOR_BIPOLAR.jpg" height="72" width="72"/><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-7897520147100636213.post-682457700076846353</guid><pubDate>Sat, 04 Aug 2012 22:33:00 +0000</pubDate><atom:updated>2012-08-19T06:34:11.277-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">Atualidade Científica</category><title>Bosão de Higgs: Parte III</title><description>&lt;div style=&quot;text-align: justify;&quot;&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; O bosão de Higgs não se limita a explicar a massa das partículas, pois o facto de permitir isto, faz com que seja explicada também uma panóplia de problemas da Física, nomeadamente, o porquê de existir mais matéria que anti-matéria no universo atual observável. A sua importância é de tal ordem que a partícula foi, &lt;b&gt;metaforicamente&lt;/b&gt;, chamada por alguns autores de partícula de Deus.&lt;/span&gt;&lt;/div&gt;
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&lt;iframe allowfullscreen=&quot;allowfullscreen&quot; frameborder=&quot;0&quot; height=&quot;656&quot; mozallowfullscreen=&quot;mozallowfullscreen&quot; src=&quot;http://player.vimeo.com/video/41038445?portrait=0&amp;amp;color=c8b3df&quot; webkitallowfullscreen=&quot;webkitallowfullscreen&quot; width=&quot;500&quot;&gt;&lt;/iframe&gt; &lt;a href=&quot;http://vimeo.com/41038445&quot;&gt;The Higgs Boson Explained&lt;/a&gt; from &lt;a href=&quot;http://vimeo.com/phdcomics&quot;&gt;PHD Comics&lt;/a&gt; on &lt;a href=&quot;http://vimeo.com/&quot;&gt;Vimeo&lt;/a&gt;.&lt;/div&gt;
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&lt;a name=&#39;more&#39;&gt;&lt;/a&gt;&lt;br /&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;Como sabemos, as colisões de partículas no LHC geram dados e, com a quantidade enorme de colisões, foram geradas quantidades abismais de dados cuja análise constituiu um desafio logístico mesmo para todo o poderio de processamento existente nos supercomputadores atuais. Mais: a solução foi recorrer à computação em grelha: envio de dados em bruto ou pouco tratados para centrais de supercomputadores em todo o mundo e recolha depois dos resultados tratados.&lt;/span&gt;&lt;/div&gt;
&lt;div style=&quot;text-align: justify;&quot;&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;A análise estatística dos dados foi extremamente dificultada sabendo que: foi gerado uma quantidade enorme de dados, a própria natureza dos dados era complexa e o algoritmo para a análise não era conhecido à priori. Apenas com cooperação a nível internacional, de forma quase global, se conseguiu, após anos de trabalho, criar algoritmos capazes de processar a informação e determinar se havia ou não evidência da existência da hipotética partícula. &amp;nbsp;&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style=&quot;text-align: justify;&quot;&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; Assim,no dia 4 de Julho de 2012, os dois maiores laboratórios do LHC (ATLAS e CERN) anunciaram que obtiveram um &lt;b&gt;valor de significância&lt;/b&gt;&amp;nbsp;de 5-sigma.&amp;nbsp;&lt;/span&gt;&lt;/div&gt;
&lt;div style=&quot;text-align: justify;&quot;&gt;
&lt;b style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;Mas o que isso significa?&amp;nbsp;&lt;/b&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;Antes de mais,&lt;/span&gt;&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&amp;nbsp;s&lt;/span&gt;&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;ignifica que &lt;u&gt;os resultados &lt;b&gt;diferiram&lt;/b&gt; dos resultados esperados caso a partícula não existisse.&lt;/u&gt;&amp;nbsp;E depois (e esta parte é que é importante para a avaliação da existência ou não de uma descoberta), que a &lt;u&gt;probabilidade de essa diferença se dever ao acaso&lt;/u&gt; e não há existência do bosão de Higgs, é de apenas 5 em 10 milhões, o que é &lt;b&gt;um valor suficientemente baixo para supor a existência da partícula.&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div style=&quot;text-align: justify;&quot;&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;Quer CMS quer ATLAS concordaram com um valor para a massa do novo bosão detetado de cerca de 125 GeV (&lt;a href=&quot;http://pt.wikipedia.org/wiki/El%C3%A9tron-volt&quot;&gt;Definição de electrão-volt&lt;/a&gt;).&amp;nbsp;Tudo isto culminou num foco mediático sobre esta descoberta, como não poderia deixar de ser.&lt;/span&gt;&lt;/div&gt;
&lt;div style=&quot;text-align: justify;&quot;&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;Mais um detalhe: O bosão de Higgs pode decair em 5 conjuntos de partículas: um par de fotões, bosões W, bosões Z, &lt;i&gt;quarks&lt;/i&gt; bottom ou&amp;nbsp;&lt;i&gt;quarks tau&lt;/i&gt;), sendo designados por&amp;nbsp;&lt;b&gt;canais de decaimento. &lt;/b&gt;Enquanto o CMS lançou os resultados para todos os canais de decaimento, o ATLAS apenas lançou na data de 4 de Julho dois canais de decaimento. No entanto, no passado dia 31, surgiram desenvolvimentos: num &lt;i&gt;paper &lt;/i&gt;(publicação científica), o ATLAS lançou também os dados doutro canal de decaimento. Os resultados combinados traduzem-se num valor de significância na casa dos &lt;b&gt;6 sigma&lt;/b&gt;: &lt;b&gt;2 num milhões de hipóteses das diferenças observadas se deverem ao acaso&lt;/b&gt;.&lt;/span&gt;&lt;/div&gt;
&lt;div style=&quot;text-align: justify;&quot;&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;Como vimos, o trabalho não terminou com a descoberta do novo bosão. Foi detetado um novo bosão numa escala de massa predita pelo modelo padrão mas:&lt;/span&gt;&lt;/div&gt;
&lt;div style=&quot;text-align: justify;&quot;&gt;
&lt;br /&gt;&lt;/div&gt;
&lt;ul&gt;
&lt;li style=&quot;text-align: justify;&quot;&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;Esse novo bosão é realmente o bosão de Higgs descrito?&lt;/span&gt;&lt;/li&gt;
&lt;li style=&quot;text-align: justify;&quot;&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;As suas características são as previstas ou são mais exóticas?&lt;/span&gt;&lt;/li&gt;
&lt;li style=&quot;text-align: justify;&quot;&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;Ou estamos perante um novo bosão completamente diferente?&lt;/span&gt;&lt;/li&gt;
&lt;/ul&gt;
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&lt;div style=&quot;text-align: justify;&quot;&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;/span&gt;&lt;/div&gt;
&lt;div style=&quot;text-align: justify;&quot;&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;Estas e muitas outras questões (como a da existência da matéria escura) serão trabalho de muitos cientistas durante muitos anos e poderão já vislumbrar-se as respostas quando o LHC começar a trabalhar em 2014, após um fecho de 2 anos para trabalhar com energias ainda mais altas.&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;i&gt;Por cá e para já, &lt;b&gt;contemplemos as maravilhas que a mente humana é capaz de atingir&lt;/b&gt; e participemos nesta &lt;b&gt;aventura que é a ciência &lt;/b&gt;&lt;u&gt;se for esse o nosso desejo.&lt;/u&gt;&lt;/i&gt;&lt;/span&gt;&lt;/div&gt;
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</description><link>http://yunoupdate.blogspot.com/2012/08/bosao-de-higgs-parte-iii-atualidade.html</link><author>noreply@blogger.com (Anonymous)</author><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-7897520147100636213.post-6331067744414421113</guid><pubDate>Sat, 04 Aug 2012 15:41:00 +0000</pubDate><atom:updated>2012-08-20T13:55:15.277-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">Minuto Smile</category><title>Bem-vindo ao Minuto Smile!</title><description>&lt;a href=&quot;http://yunoupdate.blogspot.pt/p/momento-smile.html&quot; target=&quot;_blank&quot;&gt;&lt;/a&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;Seja bem-vindo à rubrica de humor mais seca da Web.&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;u&gt;&lt;br /&gt;&lt;/u&gt;&lt;/span&gt;
&lt;br /&gt;
&lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
&lt;a href=&quot;http://mankomarketing.com/blog/wp-content/uploads/2010/01/Smile-Icon.png&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; src=&quot;http://mankomarketing.com/blog/wp-content/uploads/2010/01/Smile-Icon.png&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;br /&gt;&lt;/span&gt;
&lt;b&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/b&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;b&gt;Qual é o animal mais antigo do mundo?&amp;nbsp;&lt;/b&gt;É a zebra, que ainda é a preto e branco.&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
&lt;a name=&#39;more&#39;&gt;&lt;/a&gt;&lt;br /&gt;
&lt;br /&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;b&gt;Para que servem os óculos verdes?&amp;nbsp;&lt;/b&gt;Para verde perto.&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;background-color: white;&quot;&gt;&lt;b&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/b&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;b&gt;Onde é que os micróbios fazem surf?&amp;nbsp;&lt;/b&gt;No microondas.&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;background-color: white;&quot;&gt;&lt;b&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/b&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;b&gt;O que é um brinquedo numa cadeira?&amp;nbsp;&lt;/b&gt;Uma brincadeira.&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;background-color: white;&quot;&gt;&lt;b&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/b&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;b&gt;O que é um fuinho? &lt;/b&gt;&lt;span style=&quot;line-height: 16px;&quot;&gt;É um buaquinho na paede.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;background-color: white;&quot;&gt;&lt;b&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/b&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;b&gt;Quantos físicos são necessários para mudar uma lâmpada? &lt;/b&gt;Dois. Um para segurar na lâmpada e outro para fazer rodar o universo.&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;b&gt;Detesto funerais.&lt;/b&gt; Aliás, só vou ao meu porque sou obrigado.&amp;nbsp;&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
&lt;div id=&quot;wrc-float-icon&quot; style=&quot;background-image: url(safari-extension://com.avast.wrc-6H4HRTU5E3/208afd3f/images/float/green-3.png); display: none; height: 42px; left: 15px; position: fixed; top: 15px; width: 42px; z-index: 2147483646;&quot;&gt;
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</description><link>http://yunoupdate.blogspot.com/2012/08/bem-vindo-ao-minuto-smile.html</link><author>noreply@blogger.com (Anonymous)</author><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-7897520147100636213.post-8504436825689582197</guid><pubDate>Fri, 03 Aug 2012 19:30:00 +0000</pubDate><atom:updated>2012-08-20T13:54:20.209-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">Atualidade Científica</category><title>Bosão de Higgs: Parte II</title><description>&lt;div style=&quot;text-align: justify;&quot;&gt;
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&lt;span lang=&quot;EN-US&quot;&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;Depois de termos visto em &lt;a href=&quot;http://yunoupdate.blogspot.pt/2012/08/bosao-de-higgs-parte-i-atualidade.html#more&quot; target=&quot;_blank&quot;&gt;Bosão de Higgs:Parte I&lt;/a&gt;&amp;nbsp;o que era o bosão de Higgs e qual o seu papel na Física, hoje vamos procurar aprender um pouco mais sobre o local onde este foi descoberto e como foi descoberto. O artigo de hoje focar-se-à mais nos &lt;b&gt;princípios fundamentais &lt;/b&gt;por detrás da experiência &lt;u&gt;para que possamos compreender como se processou a sua descoberta&lt;/u&gt;&amp;nbsp;(e o caminho para lá chegar).&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
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&lt;a href=&quot;http://geographynews.files.wordpress.com/2008/11/layout_lhc21.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;322&quot; src=&quot;http://geographynews.files.wordpress.com/2008/11/layout_lhc21.jpg&quot; width=&quot;400&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
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&lt;b style=&quot;font-style: italic;&quot;&gt;LHC: &lt;/b&gt;&lt;i&gt;um acelerador não linear com 27 km de comprimento, localizado na fronteira franco-suíça, a 175 metros da superfície. Pertence ao &lt;/i&gt;&lt;b style=&quot;font-style: italic;&quot;&gt;CERN &lt;/b&gt;(Genebra, Suíça)&lt;i&gt;, centro de investigação em física de partículas europeu, onde foi inventada a Internet.&lt;/i&gt;&lt;/div&gt;
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&lt;span lang=&quot;EN-US&quot;&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
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&lt;span lang=&quot;EN-US&quot;&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;a name=&#39;more&#39;&gt;&lt;/a&gt;&lt;br /&gt;
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&lt;span lang=&quot;EN-US&quot;&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;span style=&quot;background-color: white;&quot;&gt;Ora bem, os aceleradores de partículas podem ser:&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
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&lt;ul&gt;
&lt;li style=&quot;text-align: justify;&quot;&gt;&lt;span style=&quot;background-color: white;&quot;&gt;&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;L&lt;/span&gt;&lt;b style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;ineares:&amp;nbsp;&lt;/b&gt;&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;como o próprio nome indica, as partículas seguem uma trajetória retilínea no interior do acelerador, que é, ele próprio, uma reta. A&lt;/span&gt;&lt;span style=&quot;font-family: Verdana, sans-serif;&quot;&gt;&lt;span style=&quot;line-height: 19px;&quot;&gt;&amp;nbsp;energia final obtida é proporcional à soma das diferenças de potencial geradas a partir dos mecanismos de aceleração dispostos ao longo da trajetória.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;div class=&quot;thumb tright&quot; style=&quot;border: none; clear: right; float: right; font-family: sans-serif; font-size: 13px; line-height: 19px; margin: 0.5em 0px 0.8em 1.4em; width: auto;&quot;&gt;
&lt;/div&gt;
&lt;span style=&quot;background-color: white;&quot;&gt;
&lt;/span&gt;&lt;/li&gt;
&lt;li style=&quot;text-align: justify;&quot;&gt;&lt;span style=&quot;background-color: white;&quot;&gt;&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&lt;b&gt;Não lineares:&amp;nbsp;&lt;/b&gt;também designados por cíclicos, permitem que as partículas sejam aceleradas a velocidades superiores uma vez que as partículas podem percorrer o acelerador várias vezes. É seu expoente máximo o LHC, que consegue acelerar as partículas a&amp;nbsp;&lt;/span&gt;&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; line-height: 19px;&quot;&gt;99,9999991% da velocidade da luz pois o feixe de partículas pode percorrer várias vezes por segundo o comprimento do túnel. O feixe é curvado por fortes campos magnéticos.&lt;/span&gt;&lt;/span&gt;&lt;/li&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&amp;nbsp; &amp;nbsp; Eis o &lt;u&gt;princípio base de funcionamento do LHC&lt;/u&gt;: entram protões vindos de um acelerador mais pequeno, a uma velocidade menor e entram então muitos protões unidos em feixe. &amp;nbsp;Cada feixe percorre o comprimento do túnel, curvando-se devido à presença de grandes&amp;nbsp;ímans. O campo magnético permeia então o vácuo que se encontra no interior do acelerador bem como os feixes que por lá passam. É necessário que estes&amp;nbsp;ímans&amp;nbsp;atuem de forma concertada para conseguir curvar o feixe. Caso falhe a curvatura e o feixe embata nas paredes do acelerador, aquelas partículas vão a tal velocidade que &lt;b&gt;o choque é equivalente ao embate com uma manada de elefantes!!! &lt;/b&gt;Depois de acertar a curvatura que o feixe vai sofrer e de acelerar as partículas à velocidade pretendida, é suposto fazer embater dois feixes. No entanto, também isto não é simples: é praticamente o equivalente a&amp;nbsp;&lt;b&gt;atirar uma agulha de Lisboa e conseguir acertar noutra localizada no Brasil.&lt;/b&gt;&amp;nbsp;Quando isto se consegue, as partículas colidem. A energia cinética dos protões em colisão pode transformar-se em diferentes partículas, de acordo com a conhecida fórmula de Einstein &lt;i&gt;E=m*c^2.&amp;nbsp;&lt;/i&gt;&amp;nbsp;Assim, esperava-se (e já se acredita que sucedeu) que nalgumas colisões de protões a 7 TeV (3,5TeV de cada feixe), se gerassem bosões de Higgs que, por serem instáveis, decairiam em 5 canais de decaimento diferentes. Estas conversões da energia cinética no bosão de Higgs são eventos extremamente raros, pelo que precisam de ser observados numa grande quantidade para se poder garantir que não se trata de um erro estatístico ou obra do acaso. Deste modo, geram-se enormes quantidades de dados que depois precisam de ser tratados, recolhidos as colisões candidatas ao bosão de Higgs e depois compará-las com o restante e saber se estão em número suficiente. Quanto maior o número de colisões, mais fiável será o valor de significância estatística associado à existência do bosão de Higgs. Como já referido, o nível a partir do qual a comunidade científica passa a aceitar a existência de uma nova partícula é 5-sigma: 5 em 10 milhões de hipótese do observado se dever ao acaso. Este nível já foi ultrapassado e no dia 4 de Julho deste ano, como já referido, foi anunciado isso mesmo, a descoberta do Higgs.&lt;/span&gt;&lt;/div&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&lt;br /&gt;&lt;/span&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;b&gt;Segue um vídeo explicativo do LHC e da colisão de protões:&lt;/b&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;br /&gt;&lt;/span&gt;
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&lt;div style=&quot;text-align: justify;&quot;&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;Mas o funcionamento do acelerador tem tanto de grande como de magnífico. Se o seu princípio de funcionamento é já algo magnífico, termino o artigo com dados impressionantes:&lt;/span&gt;&lt;/div&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&lt;br /&gt;&lt;/span&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;O LHC é:&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
&lt;ul&gt;
&lt;li style=&quot;text-align: justify;&quot;&gt;&lt;span style=&quot;line-height: 19px;&quot;&gt;&lt;span style=&quot;background-color: white; font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;b&gt;A maior máquina do mundo:&lt;/b&gt; 27 km de perímetro e 9300 ímãns;&lt;/span&gt;&lt;/span&gt;&lt;/li&gt;
&lt;li style=&quot;text-align: justify;&quot;&gt;&lt;span style=&quot;background-color: white; font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;span style=&quot;line-height: 19px;&quot;&gt;&lt;b&gt;O maior frigorífico:&lt;/b&gt; sistema de criogenia utiliza mais 10 mil toneladas de azoto líquido para arrefecer os ímans a&amp;nbsp;&lt;/span&gt;&lt;span style=&quot;line-height: 19px;&quot;&gt;-193,2ºC, seguindo-se a imersão em 60 toneladas de hélio líquido para atingir os&amp;nbsp;&lt;/span&gt;&lt;span style=&quot;line-height: 19px;&quot;&gt;-271,3ºC, quase o zero absoluto.&lt;/span&gt;&lt;/span&gt;&lt;/li&gt;
&lt;li style=&quot;text-align: justify;&quot;&gt;&lt;span style=&quot;background-color: white; font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;span style=&quot;line-height: 19px;&quot;&gt;&lt;b&gt;O circuito mais rápido&lt;/b&gt; do mundo: à velocidade máxima, cada feixe de protões dá a volta 11 245 vezes aos 27 km de acelerador. Em 10h, seria o suficiente para fazer uma viagem a Neptuno e voltar.&lt;/span&gt;&lt;span style=&quot;line-height: 19px;&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/li&gt;
&lt;li style=&quot;text-align: justify;&quot;&gt;&lt;span style=&quot;background-color: white; font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;span style=&quot;line-height: 19px;&quot;&gt;&lt;b&gt;O espaço mais vazio&lt;/b&gt; do&lt;/span&gt;&lt;span style=&quot;line-height: 19px;&quot;&gt;&amp;nbsp;sistema solar: a pressão interna do LHC é de&amp;nbsp;&lt;/span&gt;&lt;span style=&quot;line-height: 19px;&quot;&gt;10&lt;/span&gt;&lt;sup style=&quot;bottom: 1ex; height: 0px; line-height: 1; position: relative; vertical-align: baseline;&quot;&gt;−13 &amp;nbsp;&lt;/sup&gt;&lt;span style=&quot;line-height: 19px;&quot;&gt;atm, o que permite evitar o impacto do feixe com moléculas de gás no túnel;&lt;/span&gt;&lt;/span&gt;&lt;/li&gt;
&lt;li style=&quot;text-align: justify;&quot;&gt;&lt;span style=&quot;background-color: white; font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;span style=&quot;line-height: 19px;&quot;&gt;O LHC é a&lt;b&gt; máquina das&lt;/b&gt;&lt;/span&gt;&lt;b&gt;&lt;span style=&quot;line-height: 19px;&quot;&gt;&amp;nbsp;&lt;/span&gt;temperaturas&lt;span style=&quot;line-height: 19px;&quot;&gt;&amp;nbsp;&lt;/span&gt;&lt;/b&gt;&lt;span style=&quot;line-height: 19px;&quot;&gt;&lt;b&gt;extremas&lt;/b&gt;. Quando dois feixes de protões entram em colisão, geram num espaço minúsculo, temperaturas mais de 100 000 vezes superiores às existentes no centro do&lt;/span&gt;&lt;span style=&quot;line-height: 19px;&quot;&gt;&amp;nbsp;&lt;/span&gt;Sol&lt;span style=&quot;line-height: 19px;&quot;&gt;. Já o&lt;/span&gt;&lt;span style=&quot;line-height: 19px;&quot;&gt;&amp;nbsp;sistema de arrefecimento criogénico mantém-no quase no zero absoluto.&lt;/span&gt;&lt;/span&gt;&lt;/li&gt;
&lt;li style=&quot;text-align: justify;&quot;&gt;&lt;span style=&quot;line-height: 19px;&quot;&gt;&lt;span style=&quot;background-color: white; font-family: Trebuchet MS, sans-serif;&quot;&gt;Possui os maiores, os mais sensíveis e os mais sofisticados detetores de partículas.&lt;/span&gt;&lt;/span&gt;&lt;/li&gt;
&lt;/ul&gt;
&lt;/div&gt;
&lt;div style=&quot;text-align: justify;&quot;&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;Na próxima e última parte deste &quot;trio&quot; de artigos sobre o bosão de Higgs, será explicado em detalhe o bosão de Higgs e abordar-se-à o futuro do LHC.&amp;nbsp;&lt;/span&gt;&lt;/div&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;i&gt;&lt;br /&gt;&lt;/i&gt;&lt;/span&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;i&gt;Stay tuned.&lt;/i&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;i&gt;&lt;br /&gt;&lt;/i&gt;&lt;/span&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;i&gt;&lt;br /&gt;&lt;/i&gt;&lt;/span&gt;
&lt;br /&gt;
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</description><link>http://yunoupdate.blogspot.com/2012/08/bosao-de-higgs-parte-ii-atualidade.html</link><author>noreply@blogger.com (Anonymous)</author><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-7897520147100636213.post-434684413089764929</guid><pubDate>Thu, 02 Aug 2012 20:49:00 +0000</pubDate><atom:updated>2012-08-18T02:55:16.784-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">Atualidade Científica</category><title>Bosão de Higgs: Parte I</title><description>&lt;br /&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;O bosão de Higgs era (até há bem pouco tempo) uma partícula
hipotética do modelo padrão de partículas. No passado dia 4 de Julho, numa data
considerada histórica para o presente e futuro da ciência, ambos os principais
grupos de investigação do LHC (grande colisor de Hádrons), acelerador de
partículas do CERN (&lt;i&gt;&lt;span style=&quot;mso-ascii-font-family: Cambria; mso-bidi-font-family: Arial; mso-hansi-font-family: Cambria;&quot;&gt;Centre européenne pour la recherche nucléaire)&lt;/span&gt;&lt;/i&gt; anunciaram a &lt;b&gt;descoberta
de um novo bosão&lt;/b&gt;. Este novo bosão é compatível com o bosão de Higgs. Os
resultados obtidos provêm de uma análise estatística muito complexa das
colisões de protões geradas no interior deste acelerador de partículas. Ainda
no dia 31 de Julho, foi anunciado por um dos laboratórios um resultado de 6
sigma, ou seja, apenas 2 em mil milhões de hipóteses de o resultado de dever ao
acaso.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/div&gt;
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&lt;a href=&quot;http://www.dezinteressante.com/wp-content/uploads/2012/07/Bos%C3%A3o-de-Higgs.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;180&quot; src=&quot;http://www.dezinteressante.com/wp-content/uploads/2012/07/Bos%C3%A3o-de-Higgs.jpg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
&lt;br /&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; text-indent: 36pt;&quot;&gt;&lt;b&gt;Afinal de contas, o que é o bosão de Higgs? Ou o modelo padrão?&lt;/b&gt;&amp;nbsp;&lt;/span&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;text-align: justify; text-indent: 36.0pt; text-justify: inter-ideograph;&quot;&gt;
&lt;span style=&quot;color: #1a1a1a; font-family: &#39;Trebuchet MS&#39;, sans-serif; text-indent: 36pt;&quot;&gt;&lt;/span&gt;&lt;/div&gt;
&lt;a name=&#39;more&#39;&gt;&lt;/a&gt;&lt;br /&gt;
&lt;br /&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;text-align: justify; text-indent: 36.0pt; text-justify: inter-ideograph;&quot;&gt;
&lt;span style=&quot;mso-ascii-font-family: Cambria; mso-bidi-font-family: Arial; mso-hansi-font-family: Cambria;&quot;&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;O modelo padrão de partículas
pertence ao campo da Física – ciência exata e natural que estuda as
propriedades e comportamentos da luz, matéria, tempo e espaço. Na Física, à
semelhança das outras ciências, &lt;b&gt;utilizam-se
modelos&lt;/b&gt; que procuram prever e descrever a realidade ou uma porção desta –
um sistema.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;text-align: justify; text-indent: 36.0pt; text-justify: inter-ideograph;&quot;&gt;
&lt;span style=&quot;mso-ascii-font-family: Cambria; mso-bidi-font-family: Arial; mso-hansi-font-family: Cambria;&quot;&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;O &lt;u&gt;modelo padrão de
partículas &lt;/u&gt;é isso mesmo: um modelo. Um modelo que, neste caso, procura
descrever as &lt;b&gt;partículas fundamentais&lt;/b&gt;
que compõe toda a matéria bem como as partículas mediadoras de forças.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;text-align: justify; text-indent: 36.0pt; text-justify: inter-ideograph;&quot;&gt;
&lt;br /&gt;&lt;/div&gt;
&lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
&lt;a href=&quot;http://newsimg.bbc.co.uk/media/images/39882000/gif/_39882466_standard_model2_416.gif&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;span style=&quot;color: black;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;307&quot; src=&quot;http://newsimg.bbc.co.uk/media/images/39882000/gif/_39882466_standard_model2_416.gif&quot; width=&quot;320&quot; /&gt;&lt;/span&gt;&lt;/a&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;text-align: justify; text-indent: 36.0pt; text-justify: inter-ideograph;&quot;&gt;
&lt;br /&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;text-align: center; text-indent: 36pt;&quot;&gt;
&lt;span style=&quot;mso-ascii-font-family: Cambria; mso-bidi-font-family: Arial; mso-hansi-font-family: Cambria;&quot;&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;b&gt;&lt;i&gt;&amp;nbsp;Modelo padrão de partículas:&lt;/i&gt;&lt;/b&gt; o bosão de Higgs como responsável pela massa&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;text-align: center; text-indent: 36pt;&quot;&gt;
&lt;span style=&quot;mso-ascii-font-family: Cambria; mso-bidi-font-family: Arial; mso-hansi-font-family: Cambria;&quot;&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;text-align: justify; text-indent: 36.0pt; text-justify: inter-ideograph;&quot;&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;b&gt;&lt;span style=&quot;mso-ascii-font-family: Cambria; mso-bidi-font-family: Arial; mso-hansi-font-family: Cambria;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;
&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;b&gt;&lt;span style=&quot;mso-ascii-font-family: Cambria; mso-bidi-font-family: Arial; mso-hansi-font-family: Cambria;&quot;&gt;Onde se encaixa o bosão de Higgs neste modelo?&lt;/span&gt;&lt;/b&gt;&lt;span style=&quot;mso-ascii-font-family: Cambria; mso-bidi-font-family: Arial; mso-hansi-font-family: Cambria;&quot;&gt; De acordo com o mecanismo proposto por Peter Higgs, este
bosão permite compreender o porquê de as partículas terem massa.&amp;nbsp; &lt;b&gt;A
existir, o bosão corrobora o modelo padrão&lt;/b&gt; de partículas, pois este bosão
era a única partícula prevista pelo modelo, mas que ainda não havia sido
descoberta. &lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
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&lt;br /&gt;&lt;/div&gt;
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&lt;a href=&quot;http://l.yimg.com/bt/api/res/1.2/cMxlk_odHklhk7ZFZnyvzg--/YXBwaWQ9eW5ld3M7Zmk9aW5zZXQ7aD0zNTE7cT04NTt3PTUxMg--/http://media.zenfs.com/en_us/News/afp.com/photo_1341372676976-1-0.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;span style=&quot;color: black;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;219&quot; src=&quot;http://l.yimg.com/bt/api/res/1.2/cMxlk_odHklhk7ZFZnyvzg--/YXBwaWQ9eW5ld3M7Zmk9aW5zZXQ7aD0zNTE7cT04NTt3PTUxMg--/http://media.zenfs.com/en_us/News/afp.com/photo_1341372676976-1-0.jpg&quot; width=&quot;320&quot; /&gt;&lt;/span&gt;&lt;/a&gt;&lt;/div&gt;
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&lt;br /&gt;&lt;/div&gt;
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&lt;pre style=&quot;text-align: -webkit-auto; text-indent: 0px;&quot;&gt;&lt;code&gt;   &lt;a href=&quot;http://en.wikipedia.org/wiki/Peter_Higgs&quot;&gt;Peter Higgs, cientista que propôs a existência de um bosão conferente de massa&lt;/a&gt;&lt;/code&gt;&lt;/pre&gt;
&lt;pre style=&quot;text-align: -webkit-auto; text-indent: 0px;&quot;&gt;&lt;/pre&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;text-align: justify; text-indent: 36.0pt; text-justify: inter-ideograph;&quot;&gt;
&lt;span style=&quot;mso-ascii-font-family: Cambria; mso-bidi-font-family: Arial; mso-hansi-font-family: Cambria;&quot;&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;A sua descoberta, datada de 4
de Julho de 2012, por razões descritas na 2ª parte deste artigo, é considerada &lt;b&gt;uma recompensa e um elogio ao intelecto da
humanidade, por ter sido capaz de identificar e resolver um dos maiores
mistérios da Natureza, o porquê da existência de massa.&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;b&gt;&lt;o:p&gt;&lt;/o:p&gt;&lt;/b&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;text-align: justify; text-indent: 36.0pt; text-justify: inter-ideograph;&quot;&gt;
&lt;span style=&quot;color: #1a1a1a; mso-ascii-font-family: Cambria; mso-bidi-font-family: Arial; mso-hansi-font-family: Cambria;&quot;&gt;&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;&lt;b&gt;&lt;br /&gt;&lt;/b&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
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&lt;span style=&quot;font-family: Trebuchet MS, sans-serif;&quot;&gt;(Continua...)&lt;/span&gt;&lt;/div&gt;
&lt;br /&gt;
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</description><link>http://yunoupdate.blogspot.com/2012/08/bosao-de-higgs-parte-i-atualidade.html</link><author>noreply@blogger.com (Anonymous)</author><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-7897520147100636213.post-8456763949097903081</guid><pubDate>Tue, 31 Jul 2012 21:25:00 +0000</pubDate><atom:updated>2012-08-18T02:53:14.959-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">Atualidade Científica</category><title>Técnica de Transplante Inédita na Suécia</title><description>&lt;br /&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: 20.0pt; margin-left: 10.0pt; margin-right: 20.0pt; margin-top: 0cm; mso-layout-grid-align: none; mso-pagination: none; text-align: justify; text-autospace: none; text-justify: inter-ideograph;&quot;&gt;
&lt;span lang=&quot;EN-US&quot; style=&quot;font-family: Arial; font-size: 13pt;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp;&lt;/span&gt;&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&lt;span lang=&quot;EN-US&quot; style=&quot;font-size: large;&quot;&gt; &lt;/span&gt;&lt;span lang=&quot;EN-US&quot;&gt;Uma rapariga de 10 anos na Suécia foi tratada de forma
inédita. É a primeira vez que alguém recebe uma veia de um doador tratada com as células estaminais do próprio paciente, neste caso, da menina.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: 20.0pt; margin-left: 10.0pt; margin-right: 20.0pt; margin-top: 0cm; mso-layout-grid-align: none; mso-pagination: none; text-align: justify; text-autospace: none; text-justify: inter-ideograph;&quot;&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&lt;span lang=&quot;EN-US&quot;&gt;&amp;nbsp; &amp;nbsp;&amp;nbsp;&lt;/span&gt;Ela apresentava um quadro clínico que se caracterizava
por constantes obstruções da veia porta. Estas obstruções impediam o normal
funcionamento do fígado, o que se traduzia num crescimento restrito e vitalidade
reduzida.&lt;/span&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: 20.0pt; margin-left: 10.0pt; margin-right: 20.0pt; margin-top: 0cm; mso-layout-grid-align: none; mso-pagination: none; text-align: justify; text-autospace: none; text-indent: 26.0pt; text-justify: inter-ideograph;&quot;&gt;
&lt;div class=&quot;separator&quot; style=&quot;clear: both; text-align: center;&quot;&gt;
&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnDtPRRkOY5Kb0wMHxHfw363tPTwgrj67mR_bTjeBGxITRHxC6JZhM2TF76BJH90lasx3BrN4jo4YlaAR7tyqX31opzGBbLw0IevlXC5uIWKPWOSOFOTEQfhfXB44WqDlkAO6Gt7TgVgg/s1600/dn21928-1_300-1.jpg&quot; imageanchor=&quot;1&quot; style=&quot;margin-left: 1em; margin-right: 1em;&quot;&gt;&lt;img border=&quot;0&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnDtPRRkOY5Kb0wMHxHfw363tPTwgrj67mR_bTjeBGxITRHxC6JZhM2TF76BJH90lasx3BrN4jo4YlaAR7tyqX31opzGBbLw0IevlXC5uIWKPWOSOFOTEQfhfXB44WqDlkAO6Gt7TgVgg/s1600/dn21928-1_300-1.jpg&quot; /&gt;&lt;/a&gt;&lt;/div&gt;
&lt;br /&gt;
&lt;a name=&#39;more&#39;&gt;&lt;/a&gt;&lt;span lang=&quot;EN-US&quot; style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: 20.0pt; margin-left: 10.0pt; margin-right: 20.0pt; margin-top: 0cm; mso-layout-grid-align: none; mso-pagination: none; text-align: justify; text-autospace: none; text-justify: inter-ideograph;&quot;&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; text-indent: 34px;&quot;&gt;&amp;nbsp; &amp;nbsp; Sabe-se que a veia porta hepática é responsável pela recolha de sangue do intestino e do baço para o fígado. O fígado é responsável é depois pela destoxificação de compostos ingeridos (drogas, toxinas, etc) bem como toda a regulação do metabolismo (síntese e degradação do colesterol, reservas de glicogénio, produção de triacilgliceróis, entre outros). Logo, nesta paciente, as obstruções impediam o normal funcionamento do fígado, com implicações a nível sistémico.&lt;/span&gt;&lt;br /&gt;
&lt;b&gt;&lt;span lang=&quot;EN-US&quot; style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&lt;br /&gt;&lt;/span&gt;&lt;/b&gt;
&lt;b&gt;&lt;span lang=&quot;EN-US&quot; style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;Que
técnica foi utilizada? &lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/b&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: 20.0pt; margin-left: 10.0pt; margin-right: 20.0pt; margin-top: 0cm; mso-layout-grid-align: none; mso-pagination: none; text-align: justify; text-autospace: none; text-indent: 26.0pt; text-justify: inter-ideograph;&quot;&gt;
&lt;span lang=&quot;EN-US&quot; style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;Para começar, a equipa de cirurgiões suecos
removeu uma secção de 9 centímetros de veia porta de um cadáver. De seguida,
eliminou as células do cadáver dador recorrendo a detergentes fortes. Apenas
permaneceu a estrutura proteica na veia.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: 20.0pt; margin-left: 10.0pt; margin-right: 20.0pt; margin-top: 0cm; mso-layout-grid-align: none; mso-pagination: none; text-align: justify; text-autospace: none; text-indent: 26.0pt; text-justify: inter-ideograph;&quot;&gt;
&lt;span lang=&quot;EN-US&quot; style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;Agora que se obteve a veia sem células do dador,
passa a ser necessário &lt;b&gt;&lt;u&gt;repovoar a
veia com células do próprio paciente.&lt;/u&gt;&lt;/b&gt; Recolheram-se então células
endoteliais (que recobrem o interior dos vasos sanguíneos) e células musculares
lisas a partir da medula óssea da paciente. Repare-se que estes dois conjuntos
de células delineam os órgãos e os vasos sanguíneos.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: 20.0pt; margin-left: 10.0pt; margin-right: 20.0pt; margin-top: 0cm; mso-layout-grid-align: none; mso-pagination: none; text-align: justify; text-autospace: none; text-indent: 26.0pt; text-justify: inter-ideograph;&quot;&gt;
&lt;span lang=&quot;EN-US&quot; style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;Depois da recolha, multiplicaram as células em
laboratório e implantaram-nas na camada interna e externa da veia porta do
dador, já descelularizada (sem as células originais). &lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: 20.0pt; margin-left: 10.0pt; margin-right: 20.0pt; margin-top: 0cm; mso-layout-grid-align: none; mso-pagination: none; text-align: justify; text-autospace: none; text-indent: 26.0pt; text-justify: inter-ideograph;&quot;&gt;
&lt;span lang=&quot;EN-US&quot; style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;Implantaram então esta veia porta na paciente e
não houve rejeição porque a veia &lt;b&gt;estava
revestida com as células da própria paciente e todas as células do dador tinham
sido removidas. &lt;/b&gt;Não houve assim necessidade de medicar a paciente com
imunosupressores (fármacos que reduzem a resposta do sistema imunitário).&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;margin-bottom: 20.0pt; margin-left: 10.0pt; margin-right: 20.0pt; margin-top: 0cm; mso-layout-grid-align: none; mso-pagination: none; text-align: justify; text-autospace: none; text-indent: 26.0pt; text-justify: inter-ideograph;&quot;&gt;
&lt;span lang=&quot;EN-US&quot; style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;Este método já tinha sido previamente aplicado
em 2009, a uma mulher colombiana, que foi recebeu também uma traqueia de um
dador que depois recebeu as suas próprias células.&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; text-indent: 26pt;&quot;&gt;&lt;br /&gt;&lt;/span&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; text-indent: 26pt;&quot;&gt;No futuro, talvez se consiga utilizar estruturas
de animais ou mesmo sintéticas, eliminar as células anteriores e repovoá-las
com as células do próprio indivíduo, eliminado assim a hipótese de rejeição.&lt;/span&gt;&lt;/div&gt;
&lt;br /&gt;
&lt;div id=&quot;wrc-float-icon&quot; style=&quot;background-image: url(safari-extension://com.avast.wrc-6H4HRTU5E3/d68e014d/images/float/grey-0.png); display: none; height: 42px; left: 15px; position: fixed; top: 15px; width: 42px; z-index: 2147483646;&quot;&gt;
&lt;/div&gt;
</description><link>http://yunoupdate.blogspot.com/2012/07/tecnica-de-transplante-inedita-na.html</link><author>noreply@blogger.com (Anonymous)</author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnDtPRRkOY5Kb0wMHxHfw363tPTwgrj67mR_bTjeBGxITRHxC6JZhM2TF76BJH90lasx3BrN4jo4YlaAR7tyqX31opzGBbLw0IevlXC5uIWKPWOSOFOTEQfhfXB44WqDlkAO6Gt7TgVgg/s72-c/dn21928-1_300-1.jpg" height="72" width="72"/><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-7897520147100636213.post-6977599006171805721</guid><pubDate>Tue, 31 Jul 2012 21:01:00 +0000</pubDate><atom:updated>2012-08-17T12:05:37.827-07:00</atom:updated><category domain="http://www.blogger.com/atom/ns#">Hora Tech</category><title>Dropbox: partilha de ficheiros na nuvem</title><description>&lt;div style=&quot;margin: 0cm; text-indent: 35.4pt;&quot;&gt;
&lt;span style=&quot;font-family: Times, &#39;Times New Roman&#39;, serif; line-height: 13.5pt; text-indent: 35.4pt;&quot;&gt;&amp;nbsp; &lt;/span&gt;&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&lt;span style=&quot;line-height: 13.5pt; text-indent: 35.4pt;&quot;&gt;A partilha de ficheiros é um dos pilares que sustentam a&amp;nbsp;&lt;/span&gt;&lt;span style=&quot;line-height: 18px; text-indent: 35.4pt;&quot;&gt;experiência&lt;/span&gt;&lt;span style=&quot;line-height: 13.5pt; text-indent: 35.4pt;&quot;&gt;&amp;nbsp;do utilizador no Dropbox, o popular serviço de armazenamento na nuvem.&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&lt;span style=&quot;line-height: 13.5pt; text-indent: 35.4pt;&quot;&gt;&amp;nbsp; &amp;nbsp; &lt;b&gt;Mas o que é o DropBox? &lt;/b&gt;O DropBox é um disco virtual, leve e gratuito que lhe permite ter acesso aos seus documentos onde quer que vá. Atualmente,&amp;nbsp;&lt;/span&gt;&lt;span style=&quot;line-height: 18px; text-indent: 35.4pt;&quot;&gt;dispõe&lt;/span&gt;&lt;span style=&quot;line-height: 13.5pt; text-indent: 35.4pt;&quot;&gt;&amp;nbsp;de 5GB de&amp;nbsp;&lt;/span&gt;&lt;span style=&quot;line-height: 18px; text-indent: 35.4pt;&quot;&gt;armazenamento&lt;/span&gt;&lt;span style=&quot;line-height: 13.5pt; text-indent: 35.4pt;&quot;&gt;&amp;nbsp;completamente gratuitos na nuvem.&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;text-align: justify; text-indent: 35.4pt;&quot;&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; line-height: 115%;&quot;&gt;Para
começar a utilizar, é necessário registar no sistema, feito isso, você faz o
download do programa, coloca os arquivos na pasta e ele sincroniza. Ou seja,
eles ficam disponíveis em todos os computadores ou dispositivos móveis
(smartphones/tablets) com o programa.&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;text-align: justify; text-indent: 35.4pt;&quot;&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; line-height: 115%;&quot;&gt;No
entanto, se não quiser fazer o download do programa e instalá-lo, tal não é necessário.
Faça apenas o registo e sempre que pretender ter um documento disponível para
qualquer lado que vá, visite o website, faça login e adicione os arquivos,
bastando arrastar os arquivos para o Dropbox.&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; line-height: 115%;&quot;&gt;&lt;/span&gt;&lt;br /&gt;
&lt;a name=&#39;more&#39;&gt;&lt;/a&gt;&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; line-height: 115%;&quot;&gt;&lt;br /&gt;&lt;/span&gt;
&lt;a href=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-J0v263nHz-pS48q-tDksM1B5celTFXqapL5LHr0psJTRwUdrB42QSJ7_CiZEcGaw7N6bNk5HD7hN-61HcH9hx5KT1Ri0jMpIz9vDLY3sMm_tFwD2ICDrCG_iKIHg96WfCE34FOqKwbQ/s1600/Dropbox.jpeg&quot; imageanchor=&quot;1&quot; style=&quot;clear: right; float: right; margin-bottom: 1em; margin-left: 1em;&quot;&gt;&lt;img border=&quot;0&quot; height=&quot;320&quot; src=&quot;https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-J0v263nHz-pS48q-tDksM1B5celTFXqapL5LHr0psJTRwUdrB42QSJ7_CiZEcGaw7N6bNk5HD7hN-61HcH9hx5KT1Ri0jMpIz9vDLY3sMm_tFwD2ICDrCG_iKIHg96WfCE34FOqKwbQ/s320/Dropbox.jpeg&quot; width=&quot;320&quot; /&gt;&lt;/a&gt;&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; line-height: 115%; text-indent: 35.4pt;&quot;&gt;Devido
à grande procura já existem actualmente versões do Dropbox para Linux, Windows,
Mac e móvel (Android, iOS,Blackberry&lt;/span&gt;&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; line-height: 115%; text-indent: 35.4pt;&quot;&gt;).&lt;/span&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;text-align: justify; text-indent: 35.4pt;&quot;&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; line-height: 115%;&quot;&gt;Se por
alguma razão eliminaste algum arquivo no Dropbox , que precisavas, não te
preocupes, o &amp;nbsp;Dropbox tem a
funcionalidade de&amp;nbsp; recuperar de arquivos
eliminados, é uma óptima funcionalidade e bastante útil.&lt;/span&gt;&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;text-align: justify; text-indent: 35.4pt;&quot;&gt;
&lt;/div&gt;
&lt;div class=&quot;MsoNormal&quot; style=&quot;text-align: justify; text-indent: 35.4pt;&quot;&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif; line-height: 115%;&quot;&gt;Este é apenas
um dos muitos serviços de armazenamento de arquivos. Por isso, aqui. apenas
falamos do DropBox, o mais popular, mas se estiveres interessado em saber mais
alguma coisa sobre serviços de armazenamento, deixa um comentário.&lt;span style=&quot;font-size: small;&quot;&gt;&lt;o:p&gt;&lt;/o:p&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&lt;br /&gt;&lt;/span&gt;
&lt;div class=&quot;MsoNoSpacing&quot;&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&lt;b style=&quot;text-indent: 35.4pt;&quot;&gt;&lt;span style=&quot;line-height: 18px;&quot;&gt;Link para o dropbox:&amp;nbsp;&lt;/span&gt;&lt;/b&gt;&lt;b style=&quot;text-indent: 35.4pt;&quot;&gt;&lt;span style=&quot;line-height: 18px;&quot;&gt;&lt;a href=&quot;https://www.dropbox.com/&quot;&gt;https://www.dropbox.com/&lt;/a&gt;&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&lt;b style=&quot;text-indent: 35.4pt;&quot;&gt;&lt;br /&gt;&lt;/b&gt;&lt;/span&gt;&lt;/div&gt;
&lt;/div&gt;
&lt;div id=&quot;wrc-float-icon&quot; style=&quot;background-image: url(safari-extension://com.avast.wrc-6H4HRTU5E3/d390aa74/images/float/green-3.png); display: none; height: 42px; left: 15px; position: fixed; top: 15px; width: 42px; z-index: 2147483646;&quot;&gt;
&lt;/div&gt;
</description><link>http://yunoupdate.blogspot.com/2012/07/dropbox-partilha-de-arquivos-e-um-dos.html</link><author>noreply@blogger.com (Anonymous)</author><media:thumbnail xmlns:media="http://search.yahoo.com/mrss/" url="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-J0v263nHz-pS48q-tDksM1B5celTFXqapL5LHr0psJTRwUdrB42QSJ7_CiZEcGaw7N6bNk5HD7hN-61HcH9hx5KT1Ri0jMpIz9vDLY3sMm_tFwD2ICDrCG_iKIHg96WfCE34FOqKwbQ/s72-c/Dropbox.jpeg" height="72" width="72"/><thr:total>0</thr:total></item><item><guid isPermaLink="false">tag:blogger.com,1999:blog-7897520147100636213.post-1539056787069154833</guid><pubDate>Tue, 31 Jul 2012 20:44:00 +0000</pubDate><atom:updated>2012-08-17T12:55:06.136-07:00</atom:updated><title>Y U NO UPDATE: a abertura</title><description>&lt;div class=&quot;prezi-player&quot;&gt;
&lt;style media=&quot;screen&quot; type=&quot;text/css&quot;&gt;
.prezi-player { width: 550px; } .prezi-player-links { text-align: center; }
&lt;/style&gt;&lt;object classid=&quot;clsid:D27CDB6E-AE6D-11cf-96B8-444553540000&quot; height=&quot;400&quot; id=&quot;prezi_j6knapwjpbss&quot; name=&quot;prezi_j6knapwjpbss&quot; width=&quot;550&quot;&gt;&lt;param name=&quot;movie&quot; value=&quot;http://prezi.com/bin/preziloader.swf&quot;/&gt;&lt;param name=&quot;allowfullscreen&quot; value=&quot;true&quot;/&gt;&lt;param name=&quot;allowFullScreenInteractive&quot; value=&quot;true&quot;/&gt;&lt;param name=&quot;allowscriptaccess&quot; value=&quot;always&quot;/&gt;&lt;param name=&quot;bgcolor&quot; value=&quot;#ffffff&quot;/&gt;&lt;param name=&quot;flashvars&quot; value=&quot;prezi_id=j6knapwjpbss&amp;amp;lock_to_path=1&amp;amp;color=ffffff&amp;amp;autoplay=no&amp;amp;autohide_ctrls=0&quot;/&gt;&lt;embed id=&quot;preziEmbed_j6knapwjpbss&quot; name=&quot;preziEmbed_j6knapwjpbss&quot; src=&quot;http://prezi.com/bin/preziloader.swf&quot; type=&quot;application/x-shockwave-flash&quot; allowfullscreen=&quot;true&quot; allowFullScreenInteractive=&quot;true&quot; allowscriptaccess=&quot;always&quot; width=&quot;550&quot; height=&quot;400&quot; bgcolor=&quot;#ffffff&quot; flashvars=&quot;prezi_id=j6knapwjpbss&amp;amp;lock_to_path=1&amp;amp;color=ffffff&amp;amp;autoplay=no&amp;amp;autohide_ctrls=0&quot;&gt;&lt;/embed&gt;&lt;/object&gt;&lt;br /&gt;
&lt;div class=&quot;prezi-player-links&quot;&gt;
&lt;a href=&quot;http://prezi.com/j6knapwjpbss/y-u-no-update/&quot; title=&quot;Y U NO UPDATE&quot;&gt;Y U NO UPDATE&lt;/a&gt; on &lt;a href=&quot;http://prezi.com/&quot;&gt;Prezi&lt;/a&gt;&lt;br /&gt;
&lt;br /&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;Corriam os belos anos de mil novecentos e noventa e pouco, quando nasceram os autores deste blogue. Na altura, ou nos anos que se seguiram, nunca imaginaram ou sonharam sequer o que a vida esperava deles e, muito menos, que se apaixonariam por ciência ou que se fascinariam por este mundo tecnológico em constante mudança.&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&lt;br /&gt;&lt;/span&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;Hoje, à data de hoje, 31 de Julho de 2012, abrimos o Y U NO UPDATE.&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&lt;br /&gt;&lt;/span&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;Pretendemos que este blogue seja uma mais-valia para o panorama do conhecimento científico e tecnológico a nível nacional, ansiando por lhe trazer melhor informação. No entanto, também hoje, não sabemos o que o futuro nos reserva.&lt;/span&gt;&lt;br /&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;&lt;br /&gt;&lt;/span&gt;
&lt;span style=&quot;font-family: &#39;Trebuchet MS&#39;, sans-serif;&quot;&gt;Caro leitor, vamos descobrir, juntos? Seja bem-vindo(a) ao Y U NO UPDATE.&lt;/span&gt;&lt;/div&gt;
&lt;/div&gt;
&lt;div id=&quot;wrc-float-icon&quot; style=&quot;background-image: url(safari-extension://com.avast.wrc-6H4HRTU5E3/d68e014d/images/float/grey-0.png); display: none; height: 42px; left: 15px; position: fixed; top: 15px; width: 42px; z-index: 2147483646;&quot;&gt;
&lt;/div&gt;
</description><link>http://yunoupdate.blogspot.com/2012/07/y-u-no-update.html</link><author>noreply@blogger.com (Anonymous)</author><thr:total>0</thr:total></item></channel></rss>