News tagged with signaling molecules

New research could mean faster computers and better mobile phones

Graphene and carbon nanotubes could improve the electronics used in computers and mobile phones, reveals new research from the University of Gothenburg, Sweden.

Nanotechnology / Nanomaterials

created May 14, 2012 | popularity 3 / 5 (2) | comments 1

Researchers present a shiny new tool for imaging biomolecules

At the heart of the immune system that protects our bodies from disease and foreign invaders is a vast and complex communications network involving millions of cells, sending and receiving chemical signals ...

Nanotechnology / Nanophysics

created Mar 23, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

New study reveals basic molecular 'wiring' of stem cells

Despite the promise associated with the therapeutic use of human stem cells, a complete understanding of the mechanisms that control the fundamental question of whether a stem cell becomes a specific cell type within the ...

Biology / Cell & Microbiology

created Mar 01, 2012 | popularity 5 / 5 (4) | comments 1 | with audio podcast

'Worm speak' uses chemicals to communicate

(PhysOrg.com) -- A species of small, transparent roundworms have a highly evolved language in which they combine chemical fragments to create precise molecular messages that control social behavior, reports ...

Biology / Cell & Microbiology

created Jan 26, 2012 | popularity 4.8 / 5 (13) | comments 4 | with audio podcast

Light now in sight: Control of a 'blind' neuroreceptor with an optical switch

When nerve cells communicate with one another, specialized receptor molecules on their surfaces play a central role in relaying signals between them. A collaborative venture involving teams of chemists based at Ludwig-Maximilians-Universitat ...

Chemistry / Biochemistry

created Jan 10, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Mice with fewer insulin-signaling receptors don't live longer

Scientists studying longevity thought it might be good to lack a copy of a gene, called IGF1 receptor, that is important in insulin signaling. Previous studies showed invertebrates that lacked the copy lived longer, even ...

Chemistry / Biochemistry

created Nov 23, 2011 | popularity not rated yet | comments 0

New strategy could lead to dose reduction in X-ray imaging

For more than a century, the use of X-rays has been a prime diagnostic tool when it comes to human health. As it turns out, X-rays also are a crucial component for studying and understanding molecules, and a new approach ...

Physics / General Physics

created Nov 22, 2011 | popularity 5 / 5 (2) | comments 0 | 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

How a molecular traffic jam impacts cell division

Interdisciplinary research between biology and physics aims to understand the cell and how it organizes internally. The mechanisms inside the cell are very complicated. LMU biophysicist Professor Erwin Frey, who is also a ...

Biology / Cell & Microbiology

created Nov 07, 2011 | popularity not rated yet | comments 0

Scientists model the pathways of pain-blocking meds

Benzocaine, a commonly used local anesthetic, may more easily wiggle into a cell's membrane when the membrane is made up of compounds that carry a negative charge, a new study shows. The finding could help scientists piece ...

Chemistry / Biochemistry

created Sep 26, 2011 | popularity not rated yet | comments 0

Discovery alters conventional understanding of sight

A discovery by a team of researchers led by a Syracuse University physicist sheds new light on how the vision process is initiated. For almost 50 years, scientists have believed that light signals could not be initiated unless ...

Chemistry / Other

created Jun 23, 2011 | popularity not rated yet | comments 0

Cancer on the breath? The nose knows

A breath test for "sniffing out" cancer in a person's breath is a step closer to reality, according to a study recently published in the British Journal of Cancer. The study results show that the device develo ...

Chemistry / Analytical Chemistry

created May 16, 2011 | popularity 5 / 5 (2) | comments 0

Major clue in long-term memory making discovered

You may remember the color of your loved one's eyes for years. But how?

Medicine & Health / Medical research

created Mar 20, 2011 | popularity 4.5 / 5 (15) | comments 4 | with audio podcast

'GPS system' for protein synthesis in nerve cells gives clues for understanding brain disorders

Scientists at the University of Pennsylvania explain how a class of RNA molecules is able to target the genetic building blocks that guide the functioning of a specific part of the nerve cell. Abnormalities at this site are ...

Medicine & Health / Neuroscience

created Mar 09, 2011 | popularity not rated yet | comments 0 | with audio podcast

Nailing down a crucial plant signaling system

Plant biologists have discovered the last major element of the series of chemical signals that one class of plant hormones, called brassinosteroids, send from a protein on the surface of a plant cell to the cell's nucleus. ...

Biology / Cell & Microbiology

created Jan 23, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast