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News tagged with signaling

Separating signal and noise in climate warming

(PhysOrg.com) -- In order to separate human-caused global warming from the "noise" of purely natural climate fluctuations, temperature records must be at least 17 years long, according to climate scientists.

Space & Earth / Earth Sciences

created Nov 17, 2011 | popularity 4.5 / 5 (8) | comments 7 | with audio podcast

Living cells say: Can you hear me now?

It has long been known that cells release chemical signals in response to outside conditions, triggering reactions inside the cell.

Biology / Cell & Microbiology

created Nov 17, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Fossil moths show their true colors

The brightest hues in nature are produced by tiny patterns in, say, feathers or scales rather than pigments. These so-called "structural colors" are widespread, giving opals their fire, people their blue eyes, ...

Other Sciences / Archaeology & Fossils

created Nov 15, 2011 | popularity 4 / 5 (1) | comments 4 | with audio podcast

New biosensor benefits from melding of carbon nanotubes, DNA

Purdue University scientists have developed a method for stacking synthetic DNA and carbon nanotubes onto a biosensor electrode, a development that may lead to more accurate measurements for research related to diabetes and ...

Nanotechnology / Nanomaterials

created Nov 15, 2011 | popularity not rated yet | comments 0 | with audio podcast

Novel nanocrystals with advanced optical properties developed for use as luminescent biomarkers

Upconversion emission materials are ideal for bioimaging due to its effectiveness as contrast agents for the detection of cancer cells, more so when the background emission of non-cancerous tissues can be minimised. These ...

Nanotechnology / Nanomaterials

created Nov 14, 2011 | popularity not rated yet | comments 0

New technique enables study of 'challenging' proteins

Researchers from Hull, Bristol and Frankfurt have shown that a new technique for identifying molecular structure can be used effectively on small samples of biological proteins, particularly proteins that are targeted for ...

Chemistry / Biochemistry

created Nov 14, 2011 | popularity 5 / 5 (1) | comments 0