News tagged with cell surface

Water may not run uphill, but it practically flies off new surface

(PhysOrg.com) -- Engineering researchers have crafted a flat surface that refuses to get wet. Water droplets skitter across it like ball bearings tossed on ice. The inspiration? Not wax. Not glass. Not even Teflon.

Chemistry / Materials Science

created Feb 24, 2010 | popularity 4.8 / 5 (30) | comments 7 | with audio podcast

Going platinum: New catalyst could boost cleaner fuel use

(PhysOrg.com) -- Material scientists at Washington University in St. Louis have developed a technique for a bimetallic fuel cell catalyst that is efficient, robust and two to five times more effective than ...

Nanotechnology / Nanomaterials

created May 14, 2009 | popularity 4.1 / 5 (24) | comments 5

Self-cleaning, low-reflectivity treatment boosts efficiency for photovoltaic cells

Using two different types of chemical etching to create features at both the micron and nanometer size scales, researchers at the Georgia Institute of Technology have developed a surface treatment that boosts ...

Nanotechnology / Nanomaterials

created Mar 24, 2009 | popularity 4.4 / 5 (17) | comments 0

Folding light: Wrinkles and twists boost power from solar panels

Taking their cue from the humble leaf, researchers have used microscopic folds on the surface of photovoltaic material to significantly increase the power output of flexible, low-cost solar cells.

Physics / Optics & Photonics

created Apr 27, 2012 | popularity 4.9 / 5 (15) | comments 8 | with audio podcast

Plasmonic device converts light into electricity

(PhysOrg.com) -- While the most common device for converting light into electricity may be photovoltaic (PV) solar cells, a variety of other devices can perform the same light-to-electricity conversion, such ...

Nanotechnology / Nanophysics

created Nov 09, 2011 | popularity 4.6 / 5 (13) | comments 3 | with audio podcast feature

Research finds new link between inflammation and cancer

Virginia Commonwealth University Massey Cancer Center researchers have uncovered a new link between chronic inflammation and cancer. Although cancers do not always cause inflammation, chronic inflammation is known to help ...

Medicine & Health / Cancer

created Aug 16, 2010 | popularity 4.9 / 5 (12) | comments 22 | with audio podcast

Ancient diatoms lead to new technology for solar energy

Engineers at Oregon State University have discovered a way to use an ancient life form to create one of the newest technologies for solar energy, in systems that may be surprisingly simple to build compared to existing silicon-based ...

Nanotechnology / Nanomaterials

created Apr 08, 2009 | popularity 4.5 / 5 (13) | comments 1

Scorpion venom with nanoparticles slows spread of brain cancer

By combining nanoparticles with a scorpion venom compound already being investigated for treating brain cancer, University of Washington researchers found they could cut the spread of cancerous cells by 98 ...

Nanotechnology / Bio & Medicine

created Apr 16, 2009 | popularity 4.6 / 5 (10) | comments 3

DNA nanorobot triggers targeted therapeutic responses

Researchers at the Wyss Institute for Biologically Inspired Engineering at Harvard University have developed a robotic device made from DNA that could potentially seek out specific cell targets within a complex ...

Nanotechnology / Bio & Medicine

created Feb 16, 2012 | popularity 5 / 5 (9) | comments 8 | with audio podcast

New plastics 'bleed' when cut or scratched — and then heal like human skin

A new genre of plastics that mimic the human skin's ability to heal scratches and cuts offers the promise of endowing cell phones, laptops, cars and other products with self-repairing surfaces, scientists reported today. ...

Chemistry / Materials Science

created Mar 26, 2012 | popularity 4.9 / 5 (9) | comments 6 | with audio podcast

Study uncovers key mechanisms of cell communication

(PhysOrg.com) -- A unique bridging process may be behind a mystery of intracellular communication, according to new Cornell research published Feb. 4 in the journal Cell.

Biology / Cell & Microbiology

created Feb 07, 2011 | popularity 4.8 / 5 (9) | comments 0 | with audio podcast

Engineering researchers simplify process to make world's tiniest wires

(PhysOrg.com) -- Surface tension isn't a very powerful force, but it matters for small things — water bugs, paint, and, it turns out, nanowires.

Nanotechnology / Nanophysics

created Jul 21, 2010 | popularity 5 / 5 (8) | comments 0 | with audio podcast

Real crime scene investigation of blood splatter patterns imperfect

In fictional television shows such as Dexter and CSI, patterns in blood splatters at the scene of crime can be counted on to lead investigators to the killer. In real life, they're a useful tool -- but an ...

Physics / General Physics

created Oct 28, 2010 | popularity 4.4 / 5 (9) | comments 0

Organic Layers Pave Way for Next Generation of Biosensors and Solar Cells

(PhysOrg.com) -- UT Dallas researchers have laid the groundwork for attaching virtually any organic molecule to silicon, a technological feat that promises to greatly improve semiconductor devices’ performance ...

Physics / Condensed Matter

created Feb 03, 2010 | popularity 4.8 / 5 (8) | comments 1 | with audio podcast

Many cancer cells found to have an 'eat me' signal

Researchers at the Stanford University School of Medicine have discovered that many cancer cells carry the seeds of their own destruction — a protein on the cell surface that signals circulating immune cells to engulf ...

Medicine & Health / Cancer

created Dec 22, 2010 | popularity 4.6 / 5 (8) | comments 2 | with audio podcast

Receptor (biochemistry)

In biochemistry, a receptor is a protein molecule, embedded in either the plasma membrane or cytoplasm of a cell, to which a mobile signaling (or "signal") molecule may attach. A molecule which binds to a receptor is called a "ligand," and may be a peptide (such as a neurotransmitter), a hormone, a pharmaceutical drug, or a toxin, and when such binding occurs, the receptor undergoes a conformational change which ordinarily initiates a cellular response. However, some ligands merely block receptors without inducing any response (e.g. antagonists). Ligand-induced changes in receptors result in physiological changes which constitute the biological activity of the ligands.

For more information about Receptor (biochemistry), read the full article at Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.

Related topics: cells , immune response , cancer cells , protein