Medical Science News

RSS

Mites on hissing coackroach may benefit humans with allergies

Tiny mites living on the surface of Madagascar hissing cockroaches help decrease the presence of a variety of molds on the cockroaches' bodies, potentially reducing allergic responses among humans who handle the popular insects, according to new research.

29 Apr 2009

Research advances understanding of Darwinian evolution

As described in an article published this week in an advance, online edition of the journal Proceedings of the National Academy of Sciences (PNAS), the work demonstrates some of the classic principles of evolution.

29 Apr 2009

Nanotechnology: Its Promise and Challenges - talk by Vicki Colvin

Vicki Colvin of Rice University will give a talk titled "Nanotechnology: Its Promise and Challenges" at the U.S. Department of Energy's Brookhaven National Laboratory on Thursday, May 14, at 4 p.m. in Berkner Hall. The talk is free and open to the public. Visitors to the Laboratory age 16 and older must carry a photo ID.

27 Apr 2009

Green nanotechnology from tea

Researchers from the University of Missouri-Columbia report in the Journal of Materials Chemistry that chemicals in tea are the best yet discovered to make consistent, biologically safe gold nanoparticles. More importantly, these gold nanoparticles show promising anticancer properties.

27 Apr 2009

Nanoscopic 'pearl necklaces' track and attack cancer cells

A team of investigators at Purdue University has developed nanoscale probes that can help pinpoint the location of tumors and might one day be able to directly attack cancer cells.

27 Apr 2009

Hybrid metal and organic nanoparticles for targeting, imaging, and treating cancer

Using a set of three biocompatible polymers and a nanoparticle containing gadolinium, a team of investigators at the Colorado School of Mines has created a nanoparticle platform that has the potential to target, image, and treat cancer.

27 Apr 2009

Nanostrings bring 'artificial noses' closer to reality

These days, chemical analysts are expected to track down even single molecules.

23 Apr 2009

Using combinatorial libraries to engineer genetic circuits advances synthetic biology

Streamlining the construction of synthetic gene networks has led a team of Boston University researchers to develop a technique that couples libraries of diversified components with computer modeling to guide predictable gene network construction without the back and forth tweaking.

22 Apr 2009

DNA of uncultured organisms sequenced using novel single cell genome sequencing approach

Scientists from the U.S. Department of Energy (DOE) Joint Genome Institute (JGI) and the Bigelow Laboratory for Ocean Sciences have assembled high quality, contamination-free draft genomes of uncultured biodegrading microorganisms using a novel single cell genome sequencing approach.

22 Apr 2009

Louse infestation calibrates immune system regulation

Some parasites can exert a moderating effect on the immune system, perhaps reducing the risk of developing immune dysfunctions like asthma, allergies and some forms of arthritis.

22 Apr 2009

Scientists challenge current views on how genes are controlled in mammals

Scientists at the Omics Science Center (OSC) of the RIKEN Yokohama Institute in Japan - along with researchers from McGill University and other institutions worldwide - are challenging current notions of how genes are controlled in mammals.

22 Apr 2009

The DNA proteome

The human genome complete sequencing project in 2003 revealed the enormous instruction manual necessary to define a human being.

22 Apr 2009

New information on molecular biology of KRas protein

KRas is one of the usual suspects in cancer. It is a protein that is mutated in 30% of human tumors and has been implicated in the regulation of many cell signalling pathways.

20 Apr 2009

Mammalian alpha-fetoprotein affects the development of rat colons

Mammalian alpha-fetoprotein (AFP) is a single-chain glycoprotein and altered serum AFP levels have been observed concurrent with aberrant growth manifestations in some congenital defects and cancer.

20 Apr 2009

DNA biosynthesis discovery could lead to better antibiotics

Combating several human pathogens, including some biological warfare agents, may one day become a bit easier thanks to research reported by a University of Iowa chemist and his colleagues in the April 16 issue of the journal Nature.

16 Apr 2009

Singapore scientists synthesize gold to shed light on cells' inner workings

Highly fluorescent gold nanoclusters for sub-cellular imaging have been synthesized by researchers at the Institute of Bioengineering and Nanotechnology (IBN), one of the research institutes of Singapore's A*STAR (Agency for Science, Technology and Research).

16 Apr 2009

Secret to night vision in nocturnal animals revealed

Researchers have discovered an important element for making night vision possible in nocturnal mammals: the DNA within the photoreceptor rod cells responsible for low light vision is packaged in a very unconventional way, according to a report in the April 17th issue of Cell , a Cell Press publication.

16 Apr 2009