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Tag: "used" at biology news

DNA Molecules Used To Assemble Nanoparticles

...icult and time-consuming. The nanoparticle system used by Baker's lab is based on dendrimers, star-like synthetic polymers that can carry a vast array of molecules on the ends of their arms. It is possible to build a single dendrimer carrying many different kinds of molecules such as contrast agents and ...

Bioartificial kidney under study at MCG

...w fibers contained in a cartridge similar to those used for traditional dialysis. With dialysis, a patien...e Food and Drug Administration, it likely would be used as long as the patient is in failure. Kidneys require a lot of oxygen and energy to perform their e...

Wisconsin scientists grow critical nerve cells

...ovide access to critical cells that may one day be used in therapy, it will likely be many years before they can be tested in humans, Zhang says. ...

Association of herpesvirus with lung disorder questioned

...d States. The sensitivity and methods of the tests used in each study may also have differed. "We hope that our results provide scientists with another perspective on the potential causes of primary pulmonary hypertension," Dr. Katano said. "Further studies are required to clarify the possible associatio...

Man and mouse share genome structures

...ons with certain major methyl and acetyl tags, and used new microarray technology to identify the underlying genetic sequences associated with the tagged chromatin. Next, they teamed up with Michael Kamal, the co-first author of the paper, Eric Lander, and their Broad Institute colleagues, for the dauntin...

Scientists ID molecular 'switch' in liver that triggers harmful effects of saturated and trans fats

...possible that in the future, drug therapy might be used to "turn down" the mechanism, decreasing cholester...r trans fats, are artificially produced solid fats used in shortening and margarine, baked goods, and the oils used to cook french fries and other fast food...

A new mechanism of regulating RNA degradation

...t and her postdoctoral fellow, Yoon Ki Kim, Ph.D., used a critical component of the NMD complex, Upf1, as bait in a molecular fishing expedition. With this approach, proteins that naturally interact with the bait will be pulled out of the pool of cellular proteins. They found that Upf1 grabbed onto Stauf...

FDA Approves Human Hookworm Vaccine for Phase I Safety Trials

...t and her postdoctoral fellow, Yoon Ki Kim, Ph.D., used a critical component of the NMD complex, Upf1, as bait in a molecular fishing expedition. With this approach, proteins that naturally interact with the bait will be pulled out of the pool of cellular proteins. They found that Upf1 grabbed onto Stauf...

UAB scientists discover the origin of a mysterious physical force

...ensions must be stabilised, such as the mechanisms used to produce paints, cosmetics and food products such as yoghurt and mayonnaise. ...

Researchers discover way to make cells in the eye sensitive to light

...ls, the researchers found that melanopsin could be used tomake neurones light responsive. They found that ...einformation from the light responsive cells to be used by the brain toprocess images....

University of Manchester makes made-to-measure skin and bones a reality using inkjet printers

Made-to-measure skin and bones, which couldbe used to treat burn victims or patients who have suffered severedisfigurements, may soon be a reality using inkjets which can printhuman cells.Scientists at The University of Manchester have developed thebreakthrough technology which will allow tailor-made...

W.M. Keck Foundation funds study of friendly microbes

...our own," Gordon says. He and his colleagues have used mouse models of the human gut ecosystem to show that intestinal bacteria allow calories to be harvested from otherwise indigestible components of the diet, such as polysaccharides. These microbes also regulate the amount of extracted energy that is s...

Yellowstone microbes fueled by hydrogen, according to U. of Colorado study

...ize cultures grown in the lab, the CU-Boulder team used methodologydeveloped by Pace to genetically analyz...we do," Pace said.A novel suite of instruments was used to gather data, some of which hadnever before been collected. "No one had measured the concentration...

Novel technology detects human DNA mutations

...er than 99 percent confidence threshold and can be used with human DNA obtained from samples as small as a...ic interventions ?two widespread methods currently used to perform such analyses. "Nanosphere's new SNP analysis methodology for whole genomic human DNA i...

Growth in the sea comes down to a struggle for iron

...nt stress before the iron and other nutrients were used up. Wells and his colleagues think they may know. For clues, they have looked to a discipline that is far removed from the sea. Soil contains lots of iron, but most of it stays locked up in minerals, as accessible to microorganisms as the gold in Fo...

New, automated tool successfully classifies and relates proteins in unprecedented way

...similarities and differences. For his study,Murphy used images of randomly chosen, fluorescently labeled proteins.These proteins were produced inside living cells using a technologycalled CD tagging, which was developed by Jonathan Jarvik and PeterBerget, both associate professors of biological sciences a...

Emory Study Tests Bone Marrow Stem Cells to Improve Circulation in Legs

...ells called endothelial progenitor cells, whichare used by the body to form new blood vessels or to repair damagedones. Decreasedblood flow in the legs is caused by the blockage or narrowing of thearteries due to build-up of cholesterol. Normally, with exercise, theblood vessels dilate (get bigger), but ...

Fox Chase Cancer Center scientists identify immune-system mutation

...le tool for studying the immune system and are now used by scientists worldwide. Kappes' co-authors on the new Nature paper include Fox Chase postdoctoral associates Xiao He, Ph.D., Xi He, Ph.D., and Vibhuti P. Dave, Ph.D., (who is now at the Institute of Clinical Research of Montreal); Fox Chase scienti...

Controversial drug shown to act on brain protein to cut alcohol use

...for alcohol andvarious drugs of abuse. It has been used outside of the U.S. to treataddiction by American and other clinicians. But its side effects,including hallucinations, which made it popular in the 1960s drugculture, and evidence of toxicity to certain nerve cells in rodentstudies have discouraged c...

Neuronal 'traffic jam' marks early Alzheimer's disease

...r findings could provide information that might be used to develop drugs to preserve the molecular transpo...markers of early Alzheimer's disease that could be used in early diagnostic tests for the disorder, they said. The research team led by Lawrence S. B. Gold...

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