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Nano-Probes Allow an Inside Look at Cell Nuclei

...ional Laboratory. Their success lies in specially prepared crystalline semiconductors composed of a few hundred or thousand atoms that emit different colors of light when illuminated by a laser. Because these fluorescent probes are stable and nontoxic, they have the ability to remain in a cell's nucleus -- w...

Influenza vaccine uses insect cells to speed development

...ximately 1 to 2 months." Today's flu vaccines are prepared in fertilized chicken eggs. The eggshell is punctured, and the influenza virus is injected into the fluid surrounding the embryo. The egg is then resealed, the embryo becomes infected, and the resulting virus is then harvested, purified and used to p...

Marburg haemorrhagic fever in Angola update

...diately met. WHO and its partners are nonetheless prepared and organized to continue the outbreak response for several additional months, if this is needed. An important present goal is to transfer skills and responsibilities for outbreak response to national staff, and training efforts are under way with th...

Solutions that reduce death of marine life reeled in by International Smart Gear Competition

As the world prepared to observe Earth Day, World Wildlife Fund and its partners in the International Smart Gear Competition announced three new winning solutions to prevent the accidental maiming and killing of marine mammals, juvenile fish, and sea turtles that become e...

Researchers find promising cancer-fighting power of synthetic cell-signaling molecule

...hemistry Dennis Liotta and his colleagues at Emory prepared almost 100 sphingolipid-based analogs that lead to the discovery that the Enigmols were the most potent. The lead compounds were named "Enigmols" because sphingolipids were named after the sphinx for their enigmatic properties. Emory University holds...

OneWorld Health drug receives 'Orphan' designation from U.S. and European regulatory agencies

...he rigorous standards of either agency, we will be prepared to accelerate approvals in countries that have a critical need to treat VL." Paromomycin is an off-patent aminoglycoside antibiotic first used in the 1960s and is still marketed in the U.S. as an oral formulation to treat intestinal parasites. The l...

Signs of aging: Scientists evaluate genes associated with longevity

...of Biology at the University of Missouri, the team prepared SAGE (serial analysis of gene expression) libraries from roundworms that contained a mutated form of the daf-2 gene, which is a principal lifespan-determining factor in C. elegans. Worms that lack fully functional daf-2 exhibit significantly extended...

Findings have implications for tracking disease, drugs at the molecular level

...f the technique are that the gold particles can be prepared easily, have very low toxicity, and can readily be attached to molecules of biological interest, said Fourkas. In addition, the laser light used to visualize the particles is at a wavelength range that causes only minimal damage to most biological ti...

Tendency to hair loss inherited from the mother

...a brother who is affected and the parents are also prepared to give blood samples, so much the better. Volunteers taking part in the study will, of course, be paid for their assistance." ### The project is being supported by the German Research Association (DFG) and the Alfried Krupp von Bohlen und Halbach ...

Single-donor Islet Transplantation Procedure Shows Promise For Patients With Type 1 Diabetes

...arkedly by transplanting a higher number of islets prepared from 2 to 4 donor pancreases. However, for islet transplants to become a widespread clinical reality, additional advances are still needed. In particular, restoration of insulin independence must be achieved with a single donor, as is also the case w...

New miniaturised chip dramatically reduces time taken for DNA analysis

...ganisms in food, either in basic ingredients or in prepared food; identifying people, either to establish blood relations or to find criminal evidence; and testing the toxicity of different drugs to establish what damage they may cause to the DNA molecule of disease-causing microorganisms and of cells in pati...

Researchers find first evidence of venom system in extinct mammal

...cavity," said Yong-Qin Sun, the lab technician who prepared the fossil, which is one of thousands that the U of A researchers have collected over the years from the banks of the Blindman River near Red Deer, Alberta. Sun immediately took the fossil to Scott, who thought it was the first proof of a venomous c...

Anthrax test, developed by army and CDC, receives FDA approval

...on-biologics. USAMRIID, with support from CDC, prepared and submitted a 510(k) Premarket Notification using both USAMRIID and CDC data on use of the gamma phage method. With FDA recognition of the assay as substantially equivalent to the classical assay used prior to 1976, it will be available for use for...

'Mad cow' proteins successfully detected in blood

...on-biologics. USAMRIID, with support from CDC, prepared and submitted a 510(k) Premarket Notification using both USAMRIID and CDC data on use of the gamma phage method. With FDA recognition of the assay as substantially equivalent to the classical assay used prior to 1976, it will be available for use for...

UNC computer, marine scientists collaborate to predict flow of toxic waters from Katrina

...ects in Texas and Louisiana. "We are trying to be prepared and generate reliable information that the hazardous materials experts will need to have," said CSDL scientist Jesse Feynen. "We're doing that, and we're doing it quickly." ...

Crisis in African fish supplies looms, experts warn Africa leaders

...e per capita fish supplies are dropping. Analyses prepared for the Summit by the WorldFish Center, a global development and science organization, warn exploitation of natural fish stocks is leveling off as the population steadily grows. African countries face a major challenge to ensure fish supply to the e...

Leptin-signaling Protein Maintains Normal Body Weight And Energy Balance In Mice

...e per capita fish supplies are dropping. Analyses prepared for the Summit by the WorldFish Center, a global development and science organization, warn exploitation of natural fish stocks is leveling off as the population steadily grows. African countries face a major challenge to ensure fish supply to the e...

Breast tumors in mice eradicated using cancer vaccine

...herapies." The Listeria vector is currently being prepared for a clinical trial targeting a tumor antigen associated with cervical cancer by Advaxis Inc., a cancer vaccine biotech company that has licensed Penn patents on the use of Listeria monocytogenes as a vaccine vector. Paterson is the scientific found...

Independent researchers confirm the existence of ivory-billed woodpecker

... at the end of the month. Prum and colleagues had prepared a manuscript critical of the original reports to the journal PLoS Biology. In that manuscript which is withdrawn, the authors concluded that definitive evidence was still necessary and wrote, "We sincerely hope that this evidence is forthcoming soon....

Researcher says flu responders can learn from 1918 epidemic

... By contrast, Philadelphia found itself much less prepared for an epidemic, and the strapped with a corrupt head the Board of Health, saw roughly 13,000 residents die as the flu swept through the inner city neighborhoods. It represented, Higgins said, the worst case scenario, with dead bodies piling up outs...

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Breaking Biology News(10 mins):BGI reports a novel gene for salt tolerance found in wild soybean 2Molecular snapshots of oxygen formation in photosynthesis 2
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