Analytical Chemistry News

November 1 issue podcast

Thu, 05 Nov 2009 10:00:00 EDT

Listen to Managing Editor Jennifer Griffiths interview an author of the November cover article.

Cut-And-Paste GFP

Thu, 05 Nov 2009 10:00:00 EDT

Protein Engineering: Method opens green fluorescent protein to better scrutiny, design

Droplet-based microfluidics reveals dynamics of pancreatic islet secretion

Thu, 05 Nov 2009 10:00:00 EDT

Peering inside cells for visual proteomic analyses

Thu, 29 Oct 2009 10:00:00 EDT

CryoET and MS combine to locate and quantify protein complexes within a human pathogen.

Quantitative nanoproteomics of the estrogen response

Thu, 29 Oct 2009 10:00:00 EDT

With the help of functionalized gold nanoparticles, investigators characterize large protein complexes involved in estrogen-induced gene transcription.

Seeing Molecules with a New Light

Thu, 29 Oct 2009 10:00:00 EDT

Microscopy: Technique relies solely on light that nonfluorescent compounds absorb

iTRAQ gets put to the test

Thu, 22 Oct 2009 10:00:00 EDT

Turning the tables on iTRAQ, a research team determines just how accurate the quantitation reagent actually is.

Science From Art

Thu, 22 Oct 2009 10:00:00 EDT

Chemists tap museum collections as a rich source of novel research questions, collaborations.

Tools For Protein Folding

Thu, 22 Oct 2009 10:00:00 EDT

Techniques provide ways to manipulate and understand protein folding.

Balancing Lab Security

Thu, 22 Oct 2009 10:00:00 EDT

Scientists fear tighter restrictions could hamper biological research.

Individual plant cells’ oxidative bursts observed in real time

Thu, 15 Oct 2009 10:00:00 EDT

Specialized platinum microelectrode allows detection of short spikes of peroxide.

Digital microfluidic device extracts estrogen from clinical samples

Thu, 15 Oct 2009 10:00:00 EDT

The system makes removing the hormone from unprocessed, small aliquots of blood, serum, and tissue simpler and quicker.

Metabolic “barcodes” for microbial communities

Thu, 15 Oct 2009 10:00:00 EDT

With a new type of metabolite array, researchers profile metabolic pathways in bacterial populations collected from diverse habitats.

You Smell

Thu, 15 Oct 2009 10:00:00 EDT

All of us have our very own odorprint, and scientists are hot on its trail.

Is the Nobel Prize in Chemistry Still Relevant?

Thu, 08 Oct 2009 10:00:00 EDT

No other prize in science matches the iconic stature of the Nobels. But they only recognize individuals in the categories of physics, chemistry, and physiology/medicine. In the modern era of multidisciplinary, multiple-team endeavors, are the Nobel Prizes outdated?

Trapping bacteria to study movement

Thu, 08 Oct 2009 10:00:00 EDT

Researchers develop a microfluidic device that measures bacterial motility for long periods in a controlled environment.

On the Smell of Old Books

Thu, 08 Oct 2009 10:00:00 EDT

Researchers look for clues to an old book’s condition in the chemical makeup of its odors.

Science meets art—and dharma

Thu, 24 Sep 2009 10:00:00 EDT

A Nobel-Prize-winning chemist turns his attention, and his Raman microscope, to ancient Tibetan art.

NIST releases trace-explosive reference material

Thu, 17 Sep 2009 10:00:00 EDT

Independently validated materials will aid calibration and performance evaluation of explosive detectors.

Mapping The Epigenome

Thu, 17 Sep 2009 10:00:00 EDT

New tools chart chemical modifications of DNA and its packaging proteins

Sorting out mtDNA with MS

Thu, 10 Sep 2009 10:00:00 EDT

A new method using MS can resolve mixtures of mtDNA for forensic analysis.

Distinguishing single-base substitutions on DNA strands with nanopores

Thu, 10 Sep 2009 10:00:00 EDT

Research provides progress and insight in the search for single-molecule DNA sequencing techniques.

Making the most of collapse

Thu, 10 Sep 2009 10:00:00 EDT

A method for rapid prototyping of nanofluidic devices in PDMS is based on elastomeric collapse and produces 60-nm channels.

Species in a snap: Raman analysis of blood

Thu, 03 Sep 2009 10:00:00 EDT

In a study that might someday help solve crimes, researchers used Raman spectroscopy to identify the species of origin from the blood samples of cats, dogs, and humans.

Molecular analysis of nanoscale objects with MS

Thu, 03 Sep 2009 10:00:00 EDT

New SIMS technique should make no small impact on nanotechnology.

Dilution-free MS analysis of picoliter droplets

Thu, 03 Sep 2009 10:00:00 EDT

Microchip enables automatic transfer of encapsulated sample to an integrated nano-ESI source.

Putting a bounce in detection

Thu, 03 Sep 2009 10:00:00 EDT

Nanomechanical trampoline resonators detect prostate specific antigen in undiluted serum at clinically relevant concentrations.