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New type of biosensor is fast, super-sensitive

(Phys.org) -- A whole new class of biosensor that can detect exceptionally small traces of contaminants in liquids in just 40 minutes has been developed by a UNSW-led team of researchers.

Chemistry / Analytical Chemistry

created 17 hours ago | popularity 5 / 5 (1) | comments 1 | with audio podcast

The need for speed

Coherent Raman scattering methods have one key advantage over spontaneous Raman microscopy: speed. The (sub-)microsecond pixel dwell times offered by narrowband CRS imaging methods have initiated a new era ...

Chemistry / Biochemistry

created 12 hours ago | popularity not rated yet | comments 0

Building a better solar panel -- one molecule at a time

(Phys.org) -- One of the fundamental building blocks in modern chemistry, an organometallic chemical compound called ferrocene, has never been structurally defined - until now.

Chemistry / Materials Science

created May 25, 2012 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Nuisance seaweed found to produce compounds with biomedical potential

A seaweed considered a threat to the healthy growth of coral reefs in Hawaii may possess the ability to produce substances that could one day treat human diseases, a new study led by scientists at Scripps ...

Chemistry / Biochemistry

created May 24, 2012 | popularity 5 / 5 (2) | comments 1 | 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

Calling familiar assumptions into question results in better materials design

(Phys.org) -- Carbon and fluorine are at the heart of a family of chemical compounds that can be used for nonstick coatings, blood substitutes, and seemingly everything in between.

Chemistry / Materials Science

created May 23, 2012 | popularity not rated yet | comments 0

New finding may hold key to Gaia hypothesis of Earth as living organism

(Phys.org) -- Is Earth really a sort of giant living organism as the Gaia hypothesis predicts? A new discovery made at the University of Maryland may provide a key to answering this question. This key of sulfur ...

Space & Earth / Earth Sciences

created May 15, 2012 | popularity 3.3 / 5 (31) | comments 164 | with audio podcast

Genes culled from desert soils suggest potential medical resource

Despite their ecologic similarity, soils from three geographically distinct areas of the American southwest harbor vastly different collections of small, biosynthetic genes, a finding that suggests the existence of a far ...

Biology / Cell & Microbiology

created May 21, 2012 | popularity not rated yet | comments 0

New screening technique yields elusive compounds to block immune-regulating enzyme

Scientists at The Scripps Research Institute have found the first chemical compounds that act to block an enzyme that has been linked to inflammatory conditions such as asthma and arthritis, as well as some ...

Chemistry / Biochemistry

created May 11, 2012 | popularity not rated yet | comments 0 | with audio podcast

Rare-earth half-sandwiches prove rewarding

The chemical frameworks of ’natural products’—molecules generated by biological organisms—have inspired many of today’s most potent pharmaceuticals. But the complexity of these compounds ...

Chemistry / Materials Science

created May 18, 2012 | popularity 3.5 / 5 (2) | comments 0

Physicists surprised by disappearing and reappearing superconductivity in iron selenium chalcogenides

(PhysOrg.com) -- Superconductivity is a rare physical state in which matter is able to conduct electricity -- maintain a flow of electrons -- without any resistance. This phenomenon can only be found in certain ...

Physics / Superconductivity

created Feb 22, 2012 | popularity 5 / 5 (6) | comments 4 | with audio podcast

Sulphur and iron compounds common in old shipwrecks

Sulphur and iron compounds have now been found in shipwrecks both in the Baltic and off the west coast of Sweden. The group behind the results, presented in the Journal of Archaeological Science, includes scient ...

Other Sciences / Archaeology & Fossils

created May 15, 2012 | popularity not rated yet | comments 3

Powered by seaweed: Polymer from algae may improve battery performance

(PhysOrg.com) -- By looking to Mother Nature for solutions, researchers have identified a promising new binder material for lithium-ion battery electrodes that not only could boost energy storage, but also ...

Chemistry / Polymers

created Sep 08, 2011 | popularity 4.8 / 5 (4) | comments 1 | with audio podcast

Organic compounds found in proto-planetary disks

(PhysOrg.com) -- A new study from scientists in the US has reported that organic compounds could be formed in proto-planetary disks, and could have seeded the development of life in our own and other planetary ...

Space & Earth / Astronomy

created Mar 30, 2012 | popularity 5 / 5 (7) | comments 0 | with audio podcast report

Researchers ink nanostructures with tiny 'soldering iron'

Researchers with the Lawrence Berkeley National Laboratory (Berkeley Lab) have shed light on the role of temperature in controlling a fabrication technique for drawing chemical patterns as small as 20 nanometers. ...

Nanotechnology / Nanophysics

created Nov 07, 2011 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast