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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

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

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

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

Of microchemistry and molecules: Electronic microfluidic device synthesizes biocompatible probes

(PhysOrg.com) -- Microfluidic chemistry is fast gaining popularity – and for good reason: In addition to allowing highly-precise reaction control, micro-reactions often exhibit higher yield and proceed ...

Chemistry / Analytical Chemistry

created Jan 26, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast feature

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

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

Smooth operators: Teflon microfluidic chips

(PhysOrg.com) -- The growing number of research and development efforts focused on microfluidics speaks to the technology’s promise of a potentially broad range of applications, largely in highly-integrated ...

Chemistry / Analytical Chemistry

created May 17, 2011 | popularity 5 / 5 (5) | comments 1 | with audio podcast feature

Scientists propose 'hidden' 3D optical data storage technique

(PhysOrg.com) -- By using a laser to reversibly combine and separate molecules, scientists have demonstrated a new optical data storage technique. Because the data can be read by only one kind of imaging technique ...

Chemistry / Analytical Chemistry

created Oct 13, 2010 | popularity 4.8 / 5 (50) | comments 3 | with audio podcast feature

'Look Mom No Electricity': Transmitting Information with Chemistry

(PhysOrg.com) -- While information technology is generally thought to require electrons or photons for transmitting information, scientists have recently demonstrated a third method of transmission: chemical ...

Chemistry / Analytical Chemistry

created Jun 19, 2009 | popularity 4.1 / 5 (14) | comments 19 feature

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

Origami-inspired paper sensor could test for malaria and HIV for less than 10 cents

Inspired by the paper-folding art of origami, chemists at The University of Texas at Austin have developed a 3-D paper sensor that may be able to test for diseases such as malaria and HIV for less than 10 ...

Chemistry / Analytical Chemistry

created Mar 08, 2012 | popularity 5 / 5 (7) | comments 0 | with audio podcast

New method to examine batteries -- MRI from the inside

There is an ever-increasing need for advanced batteries for portable electronics, such as phones, cameras, and music players, but also to power electric vehicles and to facilitate the distribution and storage of energy derived ...

Chemistry / Analytical Chemistry

created Feb 12, 2012 | popularity 4.5 / 5 (10) | comments 0 | with audio podcast