News tagged with animal cells

Nanomedicine: Quantum dots appear safe in pioneering study on primates

A pioneering study to gauge the toxicity of quantum dots in primates has found the tiny crystals to be safe over a one-year period, a hopeful outcome for doctors and scientists seeking new ways to battle diseases ...

Nanotechnology / Bio & Medicine

created May 20, 2012 | popularity 4.3 / 5 (3) | comments 8 | with audio podcast

Research suggests cells communicate via biophotons

(Phys.org) -- Biologists have long been familiar with luminescence in organisms, where plants and animals produce visible light, but more intriguing perhaps is the newer field of study centered around biophotons, ...

Biology / Other

created May 23, 2012 | popularity 4 / 5 (7) | comments 1 | with audio podcast weblog

Researchers discover novel approach to stimulate immune cells

Researchers at Rutgers University have uncovered a new way to stimulate activity of immune cell opiate receptors, leading to efficient tumor cell clearance.

Chemistry / Biochemistry

created May 11, 2012 | popularity 5 / 5 (2) | comments 2 | with audio podcast

More light shed on how pigeons navigate

(Phys.org) -- Pigeons are renowned for their ability to find their way home from a release point hundreds of miles away, but scientists have never fully understood how they are able to achieve the feat. Now ...

Biology / Plants & Animals

created Apr 27, 2012 | popularity 4.3 / 5 (3) | comments 1 | with audio podcast report

Scientists replicate key evolutionary step in life on earth

(PhysOrg.com) -- More than 500 million years ago, single-celled organisms on Earth's surface began forming multi-cellular clusters that ultimately became plants and animals.

Biology / Cell & Microbiology

created Jan 16, 2012 | popularity 4.8 / 5 (46) | comments 500 | with audio podcast

Central nervous system stem cells shed light on mechanism that controls asymmetrical division

Animals consist of many distinct cell types, all of which originate during development from a single cell: the fertilized egg. To generate this vast cellular diversity, the egg and its descendants must divide ...

Biology / Cell & Microbiology

created May 18, 2012 | popularity not rated yet | comments 0

Scientists produce first stem cells from endangered species

Starting with normal skin cells, scientists from The Scripps Research Institute have produced the first stem cells from endangered species. Such cells could eventually make it possible to improve reproduction ...

Biology / Cell & Microbiology

created Sep 04, 2011 | popularity 5 / 5 (4) | comments 4 | with audio podcast

A heart of gold: Better tissue repair after heart attack (Update)

A team of researchers at MIT and Children’s Hospital Boston has built cardiac patches studded with tiny gold wires that could be used to create pieces of tissue whose cells all beat in time, mimicking ...

Nanotechnology / Bio & Medicine

created Sep 25, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Scientists use plasmonic nanobubbles in living organisms to detect, eliminate prostate cancer cells (w/ Video)

(PhysOrg.com) -- Rice University physicist Dmitri Lapotko has demonstrated that plasmonic nanobubbles, generated around gold nanoparticles with a laser pulse, can detect and destroy cancer cells in vivo by cre ...

Nanotechnology / Bio & Medicine

created Sep 27, 2010 | popularity 4.9 / 5 (7) | comments 0 | with audio podcast

Slicing mitotic spindle with lasers, nanosurgeons unravel old pole-to-pole theory

The mitotic spindle, an apparatus that segregates chromosomes during cell division, may be more complex than the standard textbook picture suggests, according to researchers at the Harvard School of Engineering ...

Biology / Cell & Microbiology

created Apr 26, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

From embryonic stem cells, a sperm replacement and easier path to genetic modification

Researchers reporting in the April 27 issue of the journal Cell have devised a new and improved method for producing genetically modified animals for use in scientific research. The method relies on haploi ...

Biology / Cell & Microbiology

created Apr 26, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

First test-tube hamburger ready this fall: researchers

The world's first "test-tube" meat, a hamburger made from a cow's stem cells, will be produced this fall, Dutch scientist Mark Post told a major science conference on Sunday.

Biology / Other

created Feb 20, 2012 | popularity 4.6 / 5 (14) | comments 27

New brain nerve cells key to stress resilience, researchers find

UT Southwestern Medical Center researchers have found new clues that might help explain why some people are more susceptible to stress than others.

Medicine & Health / Medical research

created Mar 31, 2010 | popularity 5 / 5 (4) | comments 0 | with audio podcast

With Magnetic Nanoparticles, Scientists Remotely Control Neurons and Animal Behavior (w/ Video)

(PhysOrg.com) -- Clusters of heated, magnetic nanoparticles targeted to cell membranes can remotely control ion channels, neurons and even animal behavior, according to a paper published by University at Buffalo ...

Nanotechnology / Bio & Medicine

created Jul 06, 2010 | popularity 4.3 / 5 (12) | comments 6 | with audio podcast

Scientists find a key to growth differences between species

The tiny, little-noticed jewel wasp may provide some answers as to how different species differ in size and shape. And that could lead to a better understanding of cell growth regulation, as well as the underlying ...

Biology / Plants & Animals

created Feb 23, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast