Tag: "coat" at biology news

The loss of a protein favors lung tumor growth

...protein αCP4 appears in the tissue cells that coat the normal lung, and which, nevertheless, are lost in the first phases of lung cancer as well as in 67% percent of the tumors observed. The new Doctor in Biochemistry extracted various cellular lines of different types of lung tumors and introduced a...

How plants avoid feeling the burn

...r innovations included developing a new insulating coat of polyethylene for the probe tip of a Scanning Tunneling Microscope (STM), which is used to measure the electron flow across single molecules. Also, the chemical ends of the carotenoids had to be modified so they could chemically stick to the STM pr...

Discovery of genetic mutation in Florida beach mice suggests extinct mammoth had light and dark fur

...tide used by the Florida beach mice to alter their coat color, the University of Leipzig scientists say, p...of the color differences in Florida's mice. The coat pattern and color differences among populations of mice on the mainland and the barrier islands off ...

Smooth sailing: 'Cruise Ship Virus' tackled by UH, Baylor College of Medicine

...ntibody for other pathogens, then we can use it to coat the retroreflectors," Ruchhoeft said. "If we're successful in detecting the Norwalk virus, it opens up the possibility of creating a similar diagnostic tool for a variety of other infectious diseases." ...

DNA to the defense

...esources to avoiding immune attack. Since the VSG coat appears to prevent access to other non-variable parasite proteins, such capacity for variation further dims hopes for an effective vaccine for affected populations in rural Africa. ...

'Crabby' compound that skewers bacteria could prevent medical implant infections

...tate University researchers. Using the compound to coat these medical devices, they say, could help prevent thousands of bacterial and yeast infections annually. The preliminary finding, by Philip Stewart, Ph.D., director of MSU's Center for Biofilm Engineering, and Ross Carlson, Ph.D., assistant profe...

UW-Madison work on stem cells, cardiac health to be presented at ACS

...eer David M. Lynn, a team has developed methods to coat stents with films of nanostructured layers of DNA and cationic polymers. The polymers degrade and DNA is released into the surrounding cells. This approach is similar to current stents coated with small-molecule drugs. "While current stent coatings ...

ACS Weekly PressPac -- September 6, 2006

...rt and colleagues report. Using the compound to coat these medical devices, they say, could help prevent thousands of bacterial and yeast infections annually. In preliminary laboratory studies, chitosan - a sugar in the cells of crabs and shrimp - repelled bacteria and yeast, effectively preventing the...

The sweet science: Viruses switch grip to gain upper hand

...utate to get a more lethal grip on a cell's sugary coat of carbohydrates, or glycans, became apparent when UF scientists studied the Minute Virus of Mice, or MVM. One strain of the virus, MVMp, is harmless and causes no ill effects, even in mice without a functioning immune system. However, a different ...

What animals can tell us about hemorrhage, organ transplants and aging

... stereotype of a scientist as a man in a white lab coat hunched over a microscope in a laboratory is far from real life. Consider the scientists who will meet at The American Physiological Society's conference, Comparative Physiology 2006: Integrating Diversity, taking place October 8-11 in Virginia Beach...

'Protecting virus' offers instant flu protection and converts flu infections into their own vaccines

... but is much less effective with influenza, as the coat of the flu virus is continually changing. Vaccina...f influenza is infecting you. This is because the coat of the virus is irrelevant to the protection process the effect works on the virus genes inside the...

Tweedle coat fashions stocky flies

...ces that a defective TweedleD protein in the outer coat of fly larvae makes them appear compressed. "...in different parts of the cuticle--the tough outer coat in fly embryos and larvae. The exact function of the Tweedles is not known, but the researchers thi...

Green plants share bacterial toxin

...acteriologists and physicians as part of the outer coat of Gram-negative bacteria such as E. coli. The lipid A core of bacterial endotoxin activates the immune system and can cause septic shock, a major cause of death from infection. It is distinct from the toxin found in E. coli strain 0157, responsible ...

Children's Hospital and Research Center-Oakland presents a new maternal diet study

...d-pregnancy. The offspring were examined for their coat color, and female offspring were themselves mated ...om a single litter differ from each other in their coat color (from yellow to brown), obesity (thinner to fatter), and susceptibility to cancer, and all of ...

Children's Hospital Oakland's new maternal diet study

...d-pregnancy. The offspring were examined for their coat color, and female offspring were themselves mated ...om a single litter differ from each other in their coat color (from yellow to brown), obesity (thinner to fatter), and susceptibility to cancer, and all of ...

Different coat color may not mean different species for lemurs

...rent species because of their strikingly different coat colors, are not only genetically alike, but belong...e lemurs they tested had three extremely different coat colors and lived in different types of forest locations in southern Madagascar -- classic characteri...

Lemurs' fur color may not define species

Different coat colour might not correspond to different species f...ent species because they have strikingly different coat colours, are in fact genetically related and belong to the same species. Kellie Heckman, from Yal...

A molecular condom against AIDS

...a, will spread and turn into a gel and effectively coat the tissue," says Patrick Kiser, an assistant prof...ermicides and lubricants, and are not optimized to coat and be retained in the vagina. A Burst of Anti-AIDS Medicine Kiser, Gupta and colleagues demons...

Durable critters providing insight for human egg preservation

... A major problem is the protective, exterior jelly coat of an egg doesnt freeze well. The jelly coat protects the egg from mechanical stress and serves as a receptor for sperm. Sperm must pass through ...

Super small nanoelectrodes can probe microscale environments

...ng core of the nanoelectrode. The researchers then coat the nanotube with a thin film of gold about 10-50 nanometers thick (a nanometer is 1 billionth of a meter.) The gold layer is then coated with an insulating polymer coating about 10 nanometers thick. Lastly, the researchers use a focused ion beam to ...

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(Date:8/19/2014)... have devised a new implantable tissue scaffold coated with ... few weeks. When applied to bone injuries or defects, ... new bone that looks and behaves just like the ... offer a dramatic improvement over the current standard for ... part of the patient,s body a painful process ...
(Date:8/19/2014)... infants born with neonatal abstinence syndrome (NAS) secondary ... time going through withdrawal than others, but the ... and epigenetic (when genes are turned on or ... factors, researchers at Boston University School of Medicine ... first of its kind study to identify some ...
(Date:8/19/2014)... seas during warm phases and became extinct during cold ... a link between marine crocodilian diversity and the evolution ... 140 million years. , The research, led by ... and formerly from the University of Bristol, UK is ... crocodiles are ,cold-blooded, animals that mainly live in fresh ...
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