News tagged with experimental model

DNA tug of war

A mathematical model created by Aalto University (Finland) researcher Timo Ikonen explains for the first time how the DNA chains in our genome are translocated through nanopores that are only a couple of nanometres thick.

Physics / General Physics

created May 11, 2012 | popularity not rated yet | comments 1

Mother knows best, among wild vervet monkeys

Among vervet monkeys, social learning is strongly influenced by matrilineal family members, according to a study published Apr. 25 in the open access journal PLoS ONE.

Biology / Plants & Animals

created Apr 25, 2012 | popularity not rated yet | comments 0

Ultraviolet protection molecule in plants yields its secrets

Lying around in the sun all day is hazardous not just for humans but also for plants, which have no means of escape. Ultraviolet (UV) radiation from the sun can damage proteins and DNA inside cells, leading ...

Biology / Plants & Animals

created Feb 09, 2012 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Managing future forests for water

Forest Service Southern Research Station (SRS) scientists recently used long-term data from the Coweeta Hydrological Laboratory (Coweeta) in Western North Carolina to examine the feasibility of managing forests ...

Space & Earth / Environment

created Sep 28, 2011 | popularity 5 / 5 (3) | comments 0

Controlling self-renewal of stem cells

(PhysOrg.com) -- Scientists from the Friedrich Miescher Institute for Biomedical Research (FMI) are the first to establish a direct link between a conserved stem cell factor and the cell cycle regulation in ...

Biology / Cell & Microbiology

created Sep 02, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Algorithm searches for models that best explain experimental data

A Franklin University professor recently developed an evolutionary computation approach that offers researchers the flexibility to search for models that can best explain experimental data derived from many ...

Technology / Computer Sciences

created Aug 02, 2011 | popularity 4.9 / 5 (8) | comments 1 | with audio podcast

Researchers model genome copying-collating steps during cell division

Researchers from Virginia Tech and Oxford University have proposed a novel molecular mechanism for the living cell's remarkable ability to detect the alignment of replicated chromosomes on the mitotic spindle in the final ...

Biology / Biotechnology

created May 23, 2011 | popularity not rated yet | comments 0 | with audio podcast

Study shows evolutionary adaptations can be reversed, but rarely

(PhysOrg.com) -- Ever since Charles Darwin proposed his theory of evolution in 1859, scientists have wondered whether evolutionary adaptations can be reversed.

Biology / Evolution

created May 11, 2011 | popularity 5 / 5 (4) | comments 18 | with audio podcast

Study: Drug could help preserve brain function after cardiac arrest

(PhysOrg.com) -- An experimental drug that targets a brain system that controls inflammation might help preserve neurological function in people who survive sudden cardiac arrest, new research suggests.

Medicine & Health / Neuroscience

created Mar 02, 2011 | popularity not rated yet | comments 0

Forget everything you thought you knew about memory

Research may shed light on why dementia sufferers have memory difficulties.

Medicine & Health / Neuroscience

created Dec 07, 2010 | popularity 3.8 / 5 (9) | comments 2 | with audio podcast

Haptoglobin as an early serum biomarker of virus-induced type 1 diabetes in rats

Type 1 diabetes (T1D), formerly known as juvenile diabetes, is a multifactorial disease of complex etiology characterized by the autoimmune destruction of pancreatic beta cells. In addition to genetic susceptibility, it is ...

Medicine & Health / Diseases, Conditions, Syndromes

created Oct 26, 2010 | popularity not rated yet | comments 0

Scientists identify molecular gatekeeper of arthritis

Elimination of a molecular gatekeeper leads to the development of arthritis in mice, scientists report in a study published in the Journal of Experimental Medicine. The newly discovered gatekeeper is a protein that determ ...

Medicine & Health / Medical research

created Sep 08, 2010 | popularity 5 / 5 (1) | comments 0

A model system for group behavior of nanomachines

For the casual observer it is fascinating to watch the orderly and seemingly choreographed motion of hundreds or even thousands of fish, birds or insects. However, the formation and the manifold motion patterns ...

Physics / General Physics

created Sep 01, 2010 | popularity 5 / 5 (4) | comments 3

Feathered friends: Ostriches provide clues to dinosaur movement

Once thought to be "evolutionary leftovers", new research has shown that ostriches in fact use their feathered forelimbs as sophisticated air-rudders and braking aids.

Biology / Plants & Animals

created Jun 30, 2010 | popularity 4 / 5 (6) | comments 1 | with audio podcast

The 'sultan of slime': Biologist continues to be fascinated by organisms after nearly 70 years of study

(PhysOrg.com) -- Where others see dirt, John Bonner sees beauty. Where others see jumbled clumps, he sees highly sophisticated organization.

Biology / Cell & Microbiology

created Jan 22, 2010 | popularity not rated yet | comments 0