News tagged with biological chemistry

Turning glass into clay

The magic mineral and microbial processes that transform volcanic glass into clay have been identified, adding important knowledge to how clay is formed.

Jul 06, 2012
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A new model to understand the supertasting phenomenon

Supertasting describes the ability to strongly detect food flavors such as bitter and sweet, and it can affect a person's food preferences. For example, supertasters are often averse to green vegetables because their bitter ...

Jun 21, 2012
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Oxygen 'sensor' may shut down DNA transcription

(Phys.org) -- A key component found in an ancient anaerobic microorganism may serve as a sensor to detect potentially fatal oxygen, a University of Arkansas researcher and his colleagues have found. This helps ...

Jun 19, 2012
4.7 / 5 (3) 0 | with audio podcast

Enhancing the chemistry of zinc

(Phys.org) -- By tinkering with a zinc molecule, Virginia Commonwealth University researchers have discovered it can exist in a higher oxidation state, opening the door for a new form of chemistry and new ...

Jun 15, 2012
1 / 5 (1) 0

Tracking breast cancer cells on the move

Breast cancer cells frequently move from their primary site and invade bone, decreasing a patient's chance of survival. This process of metastasis is complex, and factors both within the breast cancer cells and within the ...

Jun 14, 2012
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Study maps vaccine for deadly pathogenic fungus

University of Alberta researchers have made breakthrough use of 3-D magnetic resonance technology to map the structure of a common fungus that is potentially deadly for individuals with impaired immune function. The work ...

May 31, 2012
5 / 5 (2) 0

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 ...

May 24, 2012
4.4 / 5 (7) 2 | with audio podcast