News tagged with chemical signature


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'Fear detector' being developed

Technology / Hi Tech

created Nov 03, 2009 | popularity 2.8 / 5 (6) | comments 11

(PhysOrg.com) -- British scientists are aiming to develop a device that can detect the smell of fear, and that could one day identify terrorists, drug smugglers, and other criminals.





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Researchers to develop novel drug detection technology using software that acts like a robotic scientist

Chemistry / Analytical Chemistry

created Nov 09, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Every time a person snorts cocaine, it doesn’t just go to his or her head: It also provokes a response in the immune system, creating special biomolecules that may serve as a permanent record of each exposure.


Nanostructured Integrated Circuit Detects Type and Severity of Cancer

Nanotechnology / Bio & Medicine

created Nov 03, 2009 | popularity 5 / 5 (3) | comments 0

(PhysOrg.com) -- A team of investigators from the University of Toronto have used nanomaterials to develop an inexpensive microchip sensitive enough to quickly determine the type and severity of a patient's cancer so that ...


Bioengineers succeed in producing plastic without the use of fossil fuels

Biology / Biotechnology

created Nov 23, 2009 | popularity 4.9 / 5 (17) | comments 0

A team of pioneering South Korean scientists have succeeded in producing the polymers used for everyday plastics through bioengineering, rather than through the use of fossil fuel based chemicals. This groundbreaking research, ...


Lose the fat: Targeting grease to curtail sewer overflows

Space & Earth / Environment

created Nov 23, 2009 | popularity not rated yet | comments 0

Sewer overflows are a nasty business, posing dangers to human health and the environment. North Carolina State University is launching a new project with funding from the U.S. Environmental Protection Agency (EPA) that targets ...


coughing

Research reveals exactly how coughing is triggered by environmental irritants

Medicine & Health / Research

created Nov 23, 2009 | popularity 4 / 5 (1) | comments 0

(PhysOrg.com) -- Scientists have revealed how environmental irritants such as air pollution and cigarette smoke cause people to cough, in research published today in the American Journal of Respiratory an ...


Sandia CR5

Machine Converts CO2 into Gasoline, Diesel, and Jet Fuel

Chemistry / Biochemistry

created Nov 23, 2009 | popularity 4.6 / 5 (30) | comments 19

(PhysOrg.com) -- Researchers at Sandia National Laboratories have built a machine that uses the sun's energy to convert carbon dioxide waste from power plants into transportation fuels such as gasoline, diesel, ...


When is a stem cell really a stem cell?

When is a stem cell really a stem cell?

Biology / Biotechnology

created 7 hours ago | popularity 4.7 / 5 (3) | comments 0

(PhysOrg.com) -- Induced pluripotent stem (iPS) cells -- adult cells reprogrammed to look and function like versatile embryonic stem cells -- are of growing interest in medicine. They may provide a way to ...


Metobolomics uncovers key indicators of nonalcoholic fatty liver disease

Medicine & Health / Diseases

created 19 hours ago | popularity not rated yet | comments 0

A recent metobolomics study by researchers from Virginia Commonwealth University Medical Center in Richmond found that impaired peroxisomal oxidation of polyunsaturated fatty acids (PUFA) is associated with the progression ...


Early protein processes crucial to formation and layering of myelin membrane

Medicine & Health / Research

created 11 hours ago | popularity not rated yet | comments 0

New findings from an international team of researchers probing the nerve-insulating myelin sheath were bolstered by the work of Boston College biologists, who used x-rays to uncover how mutations affect the structure of myelin, ...


New understanding about mechanism for cell death after stroke leads to possible therapy

Medicine & Health / Research

created Nov 22, 2009 | popularity not rated yet | comments 0

Scientists at the Brain Research Centre, a partnership of the University of British Columbia Faculty of Medicine and Vancouver Coastal Health Research Institute, have uncovered new information about the mechanism by which ...



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