Tag: "compounds" at biology news

Plankton may influence climate change says UCSB scientist

...lso contribute to the global cycling of many other compounds with climate implications. One of these compounds is a volatile organic sulfur gas called dimethyl sulfide or DMS. Scientists had previously theorized...

Researchers string together players in pesticide resistance orchestra

...n turn, may become targets, enabling us to develop compounds to control pesticide-resistant insects." The scientists already have found that some of the genes they're studying are involved in the process of metabolizing some pesticides, rendering them ineffective. "We have a relatively firm grasp of target ins...

Could vitamins raise levels of bad cholesterol? Animal study suggests they might

...e generation of lipid peroxidation products (these compounds produce the nasty smell of rancid fish) and stimulated the PERPP pathway. In addition to the studies with liver cells in laboratory dishes, they also demonstrated the relationship between lipid peroxidation and reduced production of bad lipoproteins...

JGI decodes wood & toxic waste-degrading fungus genome

...ials Phanerochaete has been shown to degrade these compounds for the remediation of contaminated soils and effluents. "These enzymes hold much promise in the modification of wood and textile fibers and in converting low-grade materials into fuels and chemicals," Cullen continues. "Of particular interest to t...

GlaxoSmithKline Drug Discovery and Development Research Grant Program 2004

...st a novel and specific HIV target. Screening of compounds against an established assay. Pre-clinical in vitro and in vivo potency and toxicology studies. Translational studies of novel therapies. Judges will employ the following definition of "novel" and "innovative research": Uses new paradigms to ...

Kinase backgrounder: Iressa discovery part of major kinase project at Dana-Farber

...mor cells. Drug companies can then select specific compounds that block these triggers, turning off the cells' ...so, drug companies have developed many hundreds of compounds that fit into a specific kinase like a key in a lock. These kinase inhibitors turn off the switch, b...

Researchers developing radar technology to detect mold behind walls

...ures, mold can emit smelly and potentially harmful compounds into the air, DeJesus added. Researchers are conducting experiments on damp, mold-infested wallboard panels. Initially, they are using a signal processing algorithm and high-sensitivity, laboratory-size radar system recently developed by GTRI princi...

Genetic sequence identified for anti-bacterial sea slug protein

...r the development of new anti-bacterial industrial compounds to prevent the formation of damaging biofilms on marine materials such as ship hulls, fishing traps and nets. When encountering predators, sea slugs discharge a purple ink containing Escapin which chemically resembles toxins of some venomous snakes. ...

Gene defect linked to premature aging

... and dies. The researchers are beginning to screen compounds for activity in blocking the PASG gene in tumor cells and mice. Human studies are not planned at this time. This research was funded by the Children's Cancer Foundation, the Higgin's Scholar Foundation and the National Institutes of Health. Addition...

Researchers show cystic fibrosis defect in mice corrected with turmeric extract

...laborator in Toronto, Gergely Lukacs, M.D..studied compounds that alter or compensate for the defect on DeltaF508. They found that the Delta-F508 defect is corrected in tissue culture and in mouse model systems by curcumin, the component that gives the spice turmeric its bright yellow color. I...

Seabed secrets in English clay

...s, the geologists identified the signature organic compounds of green sulfur bacteria using gas chromatographs and mass spectrometers. "Molecules of green sulfur bacteria have a very specific, recognizable pattern or trace that allowed us to identify them in every sample of the Oxford Clay shale that ...

Four new research centers to explore link between oceans and human health

...ning systems to enhanced progress in finding novel compounds with pharmaceutical potential. "The formation of this funding partnership demonstrates that NSF and NIEHS are addressing the current and future needs of a growing human population, one that is increasingly dependent upon the ocean's resources," said ...

Invention could improve PVC safety and strengthen $1.8-billion industry worldwide

...acts. The technology, which employs unique organic compounds called ester thiols as heat stabilizers in PVC, or..., many of which contain heavy metals. In fact, the compounds Starnes has invented are so compatible with the vinyl polymer that they also serve as plasticizers w...

More useful plants may sprout from gene role discovery

...nsible for synthesis of sinapic and ferulic acids, compounds that subsequently are cross-linked into cell walls. Altering the gene that programs an enzyme involved in creation of ferulic acid and sinapic acid might be a way to change cell wall make up, Chapple said. His team cloned the gene, called REDUCED EPI...

Tips from the Journals of the American Society for Microbiology

..." In the study, three manure compounds and irrigation water were contaminated with a nonp... span of the bacteria in soils fertilized with the compounds as well as the water, and carrots and radishes grown in the contaminated soil. Researchers determin...

Study reveals poor Houston air quality

... large amounts of highly reactive volatile organic compounds and nitric oxides," Zhang says. "At midday, the oz...ht catalyzes ozone formation from volatile organic compounds and nitrogen oxides emitted from cars. Zhang's study, which was funded by the Texas Air Research Cen...

Newborn lambs' central heating system could aid fat busting in humans

...alpha we're now focusing on what drugs and natural compounds could reverse the process," says Dr Sadiq. "Already the drug isoprenaline has been shown to increases levels of PGC-1 alpha and PPARs with a subsequent increase UCP-1 after birth. Now we're looking at whether synthetic and natural activators of the g...

Purdue scientists finding ways to outsmart crop-damaging bugs

...hers. The process is designed to identify chemical compounds that could be added to current pesticides to overc...fe of another pesticide. Using resistance-breaking compounds is a way to potentially double or triple the time that the original compound is effective." In this ...

DNA research highlights prostate cancer mechanisms

...ferent types of lesions in the nitrogen-containing compounds or "bases" of DNA. The damage is generally repaired in normal cells of young, healthy people. The NIH/NIST study examined four types of lesions in DNA from both cell nuclei and mitochondria, the energy factories of cells. The scientists found that pr...

New software developed at Rensselaer predicts promising ingredients for new drugs

...hile, in the search for new drugs, 99.9 percent of compounds tested ultimately fail. Accordingly, drug makers want to be able to predict more accurately which compounds will produce the next blockbuster drug. The Rensselaer research team will continue work to improve...

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