News tagged with mechanical signals

We need to talk: How cells communicate to activate notch

During formation of multi-cellular organisms, cells need to talk to each other to make critical decisions as to what kind of cell to become, as well as when and where to become that cell type. The Notch signaling system allows ...

Biology / Cell & Microbiology

created May 31, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

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

Listening to the radio even with an electric drive

To enable radio reception in electric vehicles, manufacturers must install filters and insulate cables, since electrical signals will otherwise interfere with music and speech transmissions. Now, using new ...

Technology / Engineering

created Apr 02, 2012 | popularity 5 / 5 (1) | comments 1

Heart-powered pacemaker could one day eliminate battery-replacement surgery

A new power scheme for cardiac pacemakers turns to an unlikely source: vibrations from heartbeats themselves.

Physics / General Physics

created Mar 02, 2012 | popularity 5 / 5 (1) | comments 3 | 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

Finnish team devise nanomechanical microwave amplifier with near least possible noise generation

(PhysOrg.com) -- A team of Finnish physicists has developed a novel way to amplify a microwave signal that unlike other amplifiers, produces noise that is just barely above that which is necessary due to the ...

Physics / General Physics

created Dec 15, 2011 | popularity 4.8 / 5 (6) | comments 4 | with audio podcast report

Aging human bodies and aging human oocytes run on different clocks

Reproductive and somatic aging use different molecular mechanisms that show little overlap between the types of genes required to keep oocytes healthy and the genes that generally extend life span, according to Coleen Murphy, ...

Biology / Cell & Microbiology

created Dec 06, 2011 | popularity not rated yet | comments 0

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

Chemists reveal the force within you

A new method for visualizing mechanical forces on the surface of a cell, reported in Nature Methods, provides the first detailed view of those forces, as they occur in real-time.

Chemistry / Biochemistry

created Nov 09, 2011 | popularity 4 / 5 (2) | comments 4 | with audio podcast

Glow-in-the-dark millipede says 'stay away'

As night falls in certain mountain regions in California, a strange breed of creepy crawlies emerges from the soil: Millipedes that glow in the dark. The reason behind the glowing secret has stumped biologists ...

Biology / Plants & Animals

created Sep 26, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Researchers identify signals triggering dendrite growth

A study in worms that are less than a millimetre long has yielded clues that may be important for understanding how nerves grow.

Biology / Other

created Sep 20, 2011 | popularity 5 / 5 (1) | comments 0

GPS monitoring of Arizona sex offenders

The use of GPS technology to monitor sex offenders should be viewed as a tool rather than a control mechanism, a team of researchers at Sam Houston State University found in a recent study.

Technology / Telecom

created Aug 08, 2011 | popularity not rated yet | comments 2

Sea squirt cells shed light on cancer development

Specialized structures used by cancer cells to invade tissues could also help them escape protection mechanisms aimed at eliminating them, a UA-led research team has discovered.

Biology / Cell & Microbiology

created Jul 26, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

First self-powered device with wireless data transmission

Scientists are reporting development of the first self-powered nano-device that can transmit data wirelessly over long distances. In a study in ACS's journal Nano Letters, they say it proves the feasibility of a f ...

Nanotechnology / Nanophysics

created Jun 15, 2011 | popularity 5 / 5 (6) | comments 2 | with audio podcast

Unraveling plant reactions to injury

Better understanding of plant defense systems, and the potential to generate stress-tolerant plants and even new malaria drugs, may all stem from the documentation of a molecular mechanism that plays a significant ...

Biology / Cell & Microbiology

created May 27, 2011 | popularity not rated yet | comments 0