News tagged with biological reaction

Organic carbon from Mars, but not biological

(Phys.org) -- Molecules containing large chains of carbon and hydrogen--the building blocks of all life on Earth--have been the targets of missions to Mars from Viking to the present day. While these molecules ...

Space & Earth / Space Exploration

created May 24, 2012 | popularity 4.4 / 5 (5) | comments 2 | 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

Investigators predict, confirm how E. coli bacteria hijack cells' directional mechanism

Working in the emerging field of systems biology, UT Southwestern Medical Center researchers mathematically predicted how bacteria that cause food poisoning hijack a cell's sense of direction and then confirmed those predictions ...

Biology / Cell & Microbiology

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

A unique on-off switch for hormone production

Weizmann scientists have revealed a new kind of on-off switch in the brain for regulating the production of a main biochemical signal from the brain that stimulates cortisol release in the body.

Biology / Cell & Microbiology

created Feb 23, 2012 | popularity 5 / 5 (2) | comments 0

Man-made photosynthesis to revolutionize food and energy production

Improving natural photosynthesis to make new fuels and boost crop production is the focus of new research presented at the American Association for the Advancement of Science (AAAS) Annual Meeting today. It could see us one ...

Chemistry / Materials Science

created Feb 17, 2012 | popularity 4.6 / 5 (9) | comments 0 | with audio podcast

WSU chemist applies Google software to webs of the molecular world

The technology that Google uses to analyze trillions of Web pages is being brought to bear on the way molecules are shaped and organized.

Chemistry / Other

created Feb 13, 2012 | popularity not rated yet | comments 0

Quantum biology and Ockham's razor

(PhysOrg.com) -- In a paper just published in Nature Chemistry, a team of University of Bristol scientists explores whether new models or concepts are needed to tackle one of the 'grand challenges' of che ...

Chemistry / Biochemistry

created Feb 06, 2012 | popularity 4.6 / 5 (12) | comments 1 | with audio podcast

Plant power: The ultimate way to 'go green'?

Researchers are turning to plants and solar power in the search for new sources of renewable and sustainable energy that can support the transition from rapidly depleting fossil fuels to a bio-based society. An article published ...

Chemistry / Biochemistry

created Feb 02, 2012 | popularity 4.5 / 5 (6) | comments 0 | with audio podcast

New technology improves both energy capacity and charge rate in rechargeable batteries

Imagine a cellphone battery that stayed charged for more than a week and recharged in just 15 minutes. That dream battery could be closer to reality thanks to Northwestern University research.

Chemistry / Materials Science

created Nov 14, 2011 | popularity 4.8 / 5 (18) | comments 17 | with audio podcast

Study builds on plausible scenario for origin of life on Earth

A relatively simple combination of naturally occurring sugars and amino acids offers a plausible route to the building blocks of life, according to a paper published in Nature Chemistry co-authored by a professor at the Un ...

Chemistry / Biochemistry

created Aug 09, 2011 | popularity 5 / 5 (15) | comments 11 | with audio podcast

Click chemistry creates new 'stealth' DNA links

Scientists at the University of Southampton have pioneered a chemical method of linking DNA strands that is tolerated by living organisms.

Chemistry / Biochemistry

created Jul 01, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Spotlight on dynamic operation of enzymes

Our world is unique in that living organisms can undergo complex chemical reactions quickly and precisely, and sequence them together. But how can proteins integral to life effectively hasten these reactions? ...

Chemistry / Biochemistry

created Jun 15, 2011 | popularity not rated yet | comments 0

Scientists gain insight on how plants bend toward light

(PhysOrg.com) -- A Purdue University-led study may change how scientists think about how some plants bend toward light.

Biology / Plants & Animals

created Jun 09, 2011 | popularity 1 / 5 (1) | comments 0 | with audio podcast

Scientists find E. coli enzyme must move to function

Slight oscillations lasting just milliseconds have a huge impact on an enzyme's function, according to a new study by Scripps Research Institute scientists. Blocking these movements, without changing the enzyme's overall ...

Biology / Cell & Microbiology

created Apr 07, 2011 | popularity not rated yet | comments 0 | with audio podcast

Wake-up call: Researchers find sleepy fibroblasts are quite lively

A surprising level of activity discovered in "sleepy" cells throughout the human body could be a key to good health.

Biology / Cell & Microbiology

created Oct 20, 2010 | popularity 5 / 5 (3) | comments 0 | with audio podcast