News tagged with biological chemistry

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