Chemical & Engineering News: Analytical SCENE

X-Rays Illuminate Missing Music

nobody@acs.org("Jyllian Kemsley") — 17 Jun 2013 05:01:09 +0000

Fluorescence technique reveals notes in Cherubini’s opera ‘Médée’

Neurons Counted In Adults

nobody@acs.org("Lauren K. Wolf") — 17 Jun 2013 05:00:56 +0000

Neuroscience: Carbon dating measures birth of nerve cells in human brains

In Lincoln Funeral Train Mystery, Colorful Clues

nobody@acs.org("Carmen Drahl") — 17 Jun 2013 05:00:31 +0000

Microscopy points to precise color of railcar, but spectroscopy may be needed to confirm results

Measuring Cyanate In Sea Water For The First Time

nobody@acs.org("Sarah Webb") — 14 Jun 2013 05:00:00 +0000

Ocean Chemistry: Adapted technique measures low levels of cyanate in water, could allow researchers to study the ion’s role in the oceans’ nitrogen cycle

Molecular Beacons Resist Degradation

nobody@acs.org("Stu Borman") — 10 Jun 2013 05:00:48 +0000

Modified enzyme- and reaction-detecting agents form micelles for protection

More Insight On P450 Function

nobody@acs.org("Sarah Everts") — 10 Jun 2013 05:00:41 +0000

Important enzyme caught with an essential binding partner clarifies how the enzyme metabolizes drugs and other organic molecules

Raman Imaging Breaks The Nanometer Barrier

nobody@acs.org("Celia Henry Arnaud") — 10 Jun 2013 05:00:40 +0000

Spectroscopy: Chemical analysis technique uses double-resonance approach to zoom in on single molecules

DNA Ruling Raises Science Concerns

nobody@acs.org("William G. Schulz") — 07 Jun 2013 12:56:56 +0000

Supreme Court: Likely expansion of DNA databases prompts questions

Ancient Rocks Suggest Meteorites Brought Life’s Phosphorus To Earth

nobody@acs.org("Carmen Drahl") — 07 Jun 2013 12:23:57 +0000

Origins of Life: Reactive phosphorus compounds eventually became part of DNA, RNA, cell membranes

Nontoxic Solvents Extract Compounds From Plants

nobody@acs.org("Olga Kuchment") — 06 Jun 2013 16:26:00 +0000

Natural Products: Green solvents made from mixtures of cellular metabolites coax pigments from safflowers

Underwater Atomic Force Microscopy

nobody@acs.org("Katherine Bourzac") — 03 Jun 2013 11:30:00 +0000

Biological Imaging: New method could allow biologists to probe the structure and electrical properties of cell membranes under natural conditions

Entangled Photons Improve Two-Photon Excitation Microscopy

nobody@acs.org("Jyllian Kemsley") — 03 Jun 2013 05:01:25 +0000

Technique holds promise for selective imaging

Imaging Method Identifies Most Active Catalyst Particles

nobody@acs.org("Mitch Jacoby") — 03 Jun 2013 05:01:23 +0000

Fluorescence microscopy technique picks out individual winners among thousands

New Tool For Phosphoproteomics

nobody@acs.org("Celia Henry Arnaud") — 03 Jun 2013 05:01:22 +0000

Antibody detects phosphorylated histidine independent of surrounding sequence

Microfluidics With No Ceiling Or Floor

nobody@acs.org("Celia Henry Arnaud") — 03 Jun 2013 05:01:21 +0000

Suspended microfluidics control flow through channels open to air or other immiscible liquids

Sugars Shape Immune Response To Flu

nobody@acs.org("Carmen Drahl") — 03 Jun 2013 05:01:20 +0000

Carbohydrate chains on flu protein redirect how antibodies protect against future infections

After The Deepwater Horizon Disaster

nobody@acs.org("Jyllian Kemsley") — 03 Jun 2013 05:01:00 +0000

Components of the giant oil spill went different places with ecological consequences in the Gulf of Mexico

C&EN Talks With Ronald Tjeerdema

nobody@acs.org("Jyllian Kemsley") — 03 Jun 2013 05:00:59 +0000

Dispersants are a necessary tool for oil-spill response, the aquatic toxicologist says, and toxicity studies must be done with care

Reaction Snapshots

nobody@acs.org("Jyllian Kemsley") — 31 May 2013 17:27:00 +0000

Microscopy: AFM shows surprising details of molecules and reaction products

Spying On Subcellular Structures

nobody@acs.org("Katharine Sanderson") — 31 May 2013 16:31:21 +0000

Microfluidics: Tiny channels trap individual mitochondria, allowing scientists to watch the organelles’ behavior

Neanderthal Teeth Reveal Ancient Weaning

nobody@acs.org("Sarah Everts") — 27 May 2013 05:01:15 +0000

Decrease in barium-to-calcium ratios in juvenile’s molar indicates a dietary change from breast milk to solid food

Proteins As Building Blocks

nobody@acs.org("Celia Henry Arnaud") — 27 May 2013 05:00:53 +0000

Peptides and proteins are being designed to fold or self-assemble into nanostructures

Microwaves Distinguish Mirror-Image Compounds

nobody@acs.org("Celia Henry Arnaud") — 24 May 2013 20:00:00 +0000

Chirality: Mirror-image compounds detected by new method

Laser Blast Helps Spot Ancient Dyes

nobody@acs.org("Louisa Dalton") — 24 May 2013 19:57:35 +0000

Spectroscopy: Laser vaporization improves surface-enhanced Raman spectroscopy for cultural heritage research

Metabolite Helps Modify tRNA

nobody@acs.org("Celia Henry Arnaud") — 22 May 2013 15:10:55 +0000

Biosynthetic pathway may proceed through unusual intermediate

A Laser Blast Helps Cultural Heritage Researchers Study Insoluble Dyes On Artifacts

nobody@acs.org("Louisa Dalton") — 21 May 2013 13:09:52 +0000

Analytical Chemistry: New sampling method for surface-enhanced Raman spectroscopy extends the range of materials that can be studied by the technique

Top-Down Proteomics Becomes Reality

nobody@acs.org("Celia Henry Arnaud") — 20 May 2013 05:01:00 +0000

Advances in mass spectrometry are making it possible to identify and characterize multiple protein forms, starting with intact proteins

Archaeology’s Hidden Secrets

nobody@acs.org("Sarah Everts") — 17 May 2013 12:12:00 +0000

Ancient Ivory: Metal traces on Phoenician artifacts show long-gone paint and gold

Assessing Birds’ Mercury Risks More Complicated Than Previously Thought

nobody@acs.org("Erika Gebel") — 16 May 2013 13:17:00 +0000

Ecology: Common method to monitor mercury levels in wetland birds doesn’t accurately represent risk from the contaminant

Urine Test May Detect Pregnancy Problems

nobody@acs.org("Katharine Sanderson") — 13 May 2013 12:14:17 +0000

Metabolomics: Nuclear magnetic resonance technique may offer a noninvasive way to diagnose complications in pregnancy

Earth And Moon Share Water Source

nobody@acs.org("Elizabeth K. Wilson") — 13 May 2013 05:03:56 +0000

Water in ancient lunar rocks has isotopic ratio similar to Earth’s

MRI Contrast Agent May Detect A Harbinger Of Cancer Drug Resistance

nobody@acs.org("Carmen Drahl") — 13 May 2013 05:03:55 +0000

If new technique works in patients it could aid personalized medicine efforts

A Major Award For Mass Spec

nobody@acs.org("Stu Borman") — 09 May 2013 21:25:50 +0000

Honors: Dreyfus Prize given to R. Graham Cooks, who shrank MS devices and expanded the technique

Analyzing Fingerprints With A Dash Of Turmeric

nobody@acs.org("Erika Gebel") — 08 May 2013 16:14:00 +0000

Forensic Science: Common spice does double duty, acting as both a fingerprint dusting agent and a mass spectrometry matrix

Tracking DNA Repair In Live Bacteria

nobody@acs.org("Celia Henry Arnaud") — 06 May 2013 05:02:37 +0000

Fluorescence microscopy methods measure processes at single-molecule and single-cell levels

Eating Arsenic

nobody@acs.org("Celia Henry Arnaud") — 06 May 2013 05:02:24 +0000

ACS Meeting News: Efforts to find out how the element gets into food are leading to ways to reduce its presence

Preventing Food-borne Illness

nobody@acs.org("Lauren K. Wolf") — 06 May 2013 05:02:23 +0000

ACS Meeting News: Nanomaterial-based sensors might enable farmers and consumers to detect food pathogens in real time

Measuring Oil’s Asphaltenes

nobody@acs.org("Louisa Dalton") — 30 Apr 2013 15:25:50 +0000

Analytical Chemistry: A novel microfluidic chip quantifies the sticky fraction of crude oil that can gum up oil exploration

Cell Membrane Mystery

nobody@acs.org("Celia Henry Arnaud") — 29 Apr 2013 05:02:24 +0000

ACS Meeting News: Lipids may not be arranged the way scientists thought, imaging mass spec data suggest

Deciphering Ordered But Noncrystalline Structures

nobody@acs.org("Jyllian Kemsley") — 29 Apr 2013 05:02:22 +0000

Method combines X-ray diffraction, NMR, and modeling to pick out structures that are tough to determine

Nanoparticle-Based Method Rapidly Detects Fungal Blood Infection

nobody@acs.org("Lauren K. Wolf") — 29 Apr 2013 05:02:20 +0000

Using magnetic resonance, technique spots life-threatening Candida fungi in less than three hours

Cardio Calcification Close-Up

nobody@acs.org("Celia Henry Arnaud") — 29 Apr 2013 05:02:18 +0000

Electron microscopy reveals hydroxyapatite nanoparticles associated with all stages of calcification-related cardiovascular disease

Top Instrument Firms

nobody@acs.org("Ann M. Thayer") — 29 Apr 2013 05:02:00 +0000

Companies in C&EN’s ranking try to boost their sales of analytical and lab instruments at a time when spending is constrained

Viruses From Sewage Contaminate Deep Well Water

nobody@acs.org("Janet Pelley") — 23 Apr 2013 13:45:17 +0000

Water Pollution: Human pathogens rapidly invade underground aquifers previously thought to be protected

Detecting Single-Atom Nuclear Spins In Silicon

nobody@acs.org("Stu Borman") — 22 Apr 2013 05:02:48 +0000

Magnetic-resonance-based method could aid quantum computing

Modified Cytosine Detected And Profiled

nobody@acs.org("Stu Borman") — 22 Apr 2013 05:02:44 +0000

Techniques detect cytosine derivatives on demethylation pathway

Glimpsing Organic Molecules In Motion

nobody@acs.org("Bethany Halford") — 22 Apr 2013 05:02:41 +0000

Ultrafast electron diffraction technique lets scientists spy on molecules as they rearrange

Sulfide Signal In Sight

nobody@acs.org("Carmen Drahl") — 22 Apr 2013 05:02:25 +0000

Chemical Biology: Probe tracks molecule that can be toxic or beneficial

Seeking Carcinogen-Linked DNA In Tissue Samples

nobody@acs.org("Erika Gebel") — 19 Apr 2013 15:39:00 +0000

Toxicology: For the first time, researchers unambiguously identify DNA damaged by an environmental chemical in preserved tissues

Watching Enzymes Change Molecules’ Chirality

nobody@acs.org("Sarah Webb") — 15 Apr 2013 18:45:00 +0000

Biochemistry: NMR method allows researchers to observe a protein convert a molecule into its mirror image

‘Patent Medicines’ Unmasked

nobody@acs.org("Carmen Drahl") — 15 Apr 2013 05:03:15 +0000

ACS Meeting News: Study finds calcium, mercury in untested remedies subjected to X-ray fluorescence analysis

Thermo Fisher Scientific

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:03:04 +0000

Spectro Analytical Instruments

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:03:03 +0000

Waters And Dow Chemical

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:03:01 +0000

NanoMagnetics Instruments

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:03:00 +0000

Netzsch

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:02:59 +0000

Thermo Fisher Scientific

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:02:57 +0000

WITec

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:02:57 +0000

NanoSight

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:02:56 +0000

Element Six

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:02:55 +0000

Bruker

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:02:52 +0000

Mettler Toledo

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:02:51 +0000

Frontier Laboratories

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:02:50 +0000

ACD/Labs

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:02:47 +0000

Bruker

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:02:44 +0000

Anton Paar

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:02:43 +0000

Bio-Rad

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:02:42 +0000

New And Notable At PITTCON 2013

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:02:42 +0000

Pittcon Instrument Roundup

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:02:41 +0000

Microdialysis In The Operating Room

nobody@acs.org("Celia Henry Arnaud") — 15 Apr 2013 05:02:23 +0000

Method that measures glucose and lactate levels in tissues helps improve reconstructive surgery outcomes

Exposition Highlights

nobody@acs.org("Stu Borman") — 15 Apr 2013 05:02:21 +0000

C&EN panelists and instrument industry editors pick new products that stand out

Microfluidic Devices Capture Tumor Cells

nobody@acs.org("Celia Henry Arnaud") — 15 Apr 2013 05:02:00 +0000

Tools that run fluids through tiny channels detect scarce circulating tumor cells, a tactic that could aid cancer patients

Fluorine’s Positive Side Revealed

nobody@acs.org("Stephen K. Ritter") — 08 Apr 2013 05:04:43 +0000

Chemists provide evidence for the first example of a molecule in solution containing a positively charged bridging fluorine atom

Mass Spec Discovery Platform Turns Up New Reactions

nobody@acs.org("Celia Henry Arnaud") — 01 Apr 2013 20:00:00 +0000

Approach quickly screens and optimizes reaction candidates and helps select catalysts

Crystal-Free Crystallography

nobody@acs.org("Bethany Halford") — 01 Apr 2013 05:03:00 +0000

Structure: Small, hard-to-crystallize molecules can be held in nanoscale scaffolds and analyzed via X-ray

W. R. Grace Sues Teledyne For Patent Infringement

nobody@acs.org("Marc S. Reisch") — 28 Mar 2013 20:00:00 +0000

Instrumentation: Flash chromatography dispute has instrument makers at loggerheads

Isotope Fingerprints Help Researchers Pinpoint Source Of People’s Mercury Exposure

nobody@acs.org("Naomi Lubick") — 26 Mar 2013 12:48:00 +0000

Environmental Analysis: Urine test can determine how much mercury came from a person’s dental work or their diet

Single Molecules Imaged In Living Mammalian Cell Nuclei

nobody@acs.org("Jyllian Kemsley") — 25 Mar 2013 05:04:10 +0000

Fluorescence technique illuminates proteins in real time

Instrument Executives At Pittcon See A Spotty Outlook

nobody@acs.org("Marc S. Reisch") — 25 Mar 2013 05:03:57 +0000

Caution is the watchword among scientific toolmakers at the Philadelphia meeting

Paper Analytical Device Incorporates Electronic Components To Increase Sensitivity

nobody@acs.org("Erika Gebel") — 22 Mar 2013 09:00:00 +0000

Medical Diagnostics: A low-cost foldable paper device uses a supercapacitor to help detect picomolar levels of a biomolecule

Avoiding The Death Receptor

nobody@acs.org("Elizabeth K. Wilson") — 22 Mar 2013 08:00:00 +0000

Biochemistry: Crystal structures of serotonin receptor-drug complexes could reduce killer side-effects