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Analytical Chemistry news

Is it ripe? Carbon nanotube-based ethylene sensor establishes fruit ripeness

(Phys.org) -- The term ethylene (ethene) generally brings to mind polyethylene plastics, not fruit. However, ethylene is more than just a feedstock for chemical industry, it is also the smallest plant hormone, ...

Chemistry / Analytical Chemistry

created May 19, 2012 | popularity 4.8 / 5 (5) | comments 6 | with audio podcast

New technique detects trace levels of new class of cancer biomarkers

(Phys.org) -- In less than a decade, a new type of RNA — microRNA (miRNA) — has gone from curiosity to one of the most important sets of regulatory molecules in the body. And because these short pieces of RNA are ...

Chemistry / Analytical Chemistry

created May 18, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Researchers create low-cost, effective method for measuring exposure to toxic metals

(Phys.org) -- Two Colorado State University professors have developed a simple, low-cost method of determining levels of heavy metals in contaminated air using filter paper, water and a little chemistry.

Chemistry / Analytical Chemistry

created May 17, 2012 | popularity 5 / 5 (1) | comments 0

New, inexpensive paper-based diabetes test ideal for developing countries

With epidemics of Type 2 diabetes looming in rural India, China and other areas of the world where poverty limits the availability of health care, scientists are reporting development of an inexpensive and ...

Chemistry / Analytical Chemistry

created May 16, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Dip chip technology tests toxicity on the go

From man-made toxic chemicals such as industrial by-products to poisons that occur naturally, a water or food supply can be easily contaminated. And for every level of toxic material ingested, there is some level of bodily ...

Chemistry / Analytical Chemistry

created May 14, 2012 | popularity 5 / 5 (2) | comments 0

Electronic nose prototype may be worn for safety-sniffing

(Phys.org) -- A UK company has developed an electronic nose that the company says can make a real difference, as a fast-acting device for detecting harmful substances in the environment. Peratech claims its electronic nose ...

Chemistry / Analytical Chemistry

created May 12, 2012 | popularity 5 / 5 (2) | comments 2 | with audio podcast weblog

This breathalyzer reveals signs of disease (w/ Video)

(Phys.org) -- This invention could give new meaning to the term "bad breath!" It's the Single Breath Disease Diagnostics Breathalyzer, and when you blow into it, you get tested for a biomarker—a sign ...

Chemistry / Analytical Chemistry

created May 08, 2012 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Smart gas sensors for better chemical detection

Portable gas sensors can allow you to search for explosives, diagnose medical conditions through a patient's breath, and decide whether it's safe to stay in a mine.

Chemistry / Analytical Chemistry

created May 01, 2012 | popularity not rated yet | comments 0 | with audio podcast

Molecular spectroscopy tracks living mammalian cells in real time as they differentiate

Knowing how a living cell works means knowing how the chemistry inside the cell changes as the functions of the cell change. Protein phosphorylation, for example, controls everything from cell proliferation ...

Chemistry / Analytical Chemistry

created Apr 30, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Researchers combat global disease with a cell phone, Google Maps and a lot of ingenuity

(Phys.org) -- In the fight against emerging public health threats, early diagnosis of infectious diseases is crucial. And in poor and remote areas of the globe where conventional medical tools like microscopes and cytometers ...

Chemistry / Analytical Chemistry

created Apr 27, 2012 | popularity not rated yet | comments 0 | with audio podcast

Rapid identification of superbugs and new drugs to combat them

(Phys.org) -- Synthetic biology is playing a key role in creating new tools for rapid detection of potentially fatal bacterial infections such as E. coli and allowing scientists to create novel molecules that may provide ...

Chemistry / Analytical Chemistry

created Apr 26, 2012 | popularity not rated yet | comments 0

Neutrons used to study a key protein in milk

Martha, a cow placidly grazing in a field in The Netherlands, became an important collaborator with researchers who successfully analyzed and characterized the internal protein structure and the composite ...

Chemistry / Analytical Chemistry

created Apr 24, 2012 | popularity not rated yet | comments 0

The first seconds in a building's life: X-ray diffraction studies of cement hydration on the millisecond scale

(Phys.org) -- No matter if it is a giant complex, a high-rise, or an underground project, modern architecture cannot get along without concrete. The component in concrete that holds the other components together ...

Chemistry / Analytical Chemistry

created Apr 23, 2012 | popularity 5 / 5 (1) | comments 0

Researchers solve 40-year-old Fourier Transform Mass Spectrometry phasing problem

(Phys.org) -- Scientists at the University of Warwick have developed a computation which simultaneously doubles the resolution, sensitivity and mass accuracy of Fourier Transform Mass Spectrometry (FTMS) at no extra cost.

Chemistry / Analytical Chemistry

created Apr 23, 2012 | popularity 5 / 5 (6) | comments 0 | with audio podcast

On the safe side: Contact-free analysis of chemical substances

Is it drugs, medicines or explosives? At the Analytica trade fair, German researchers are presenting a terahertz spectrometer that provides reliable, contact-free identification of substances.

Chemistry / Analytical Chemistry

created Apr 16, 2012 | popularity 5 / 5 (1) | comments 0