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Tag: "developed" at biology news

DNA repair proteins monitored at double-strand break

..., breaking it into two pieces. Using a technique developed specifically for this project, the St. Jude resear...ion of double-strand break repair." The assay, developed by Elijahu Berkovich, Ph.D., in Kastan’s laboratory, demonstrates how key repair proteins, such as A...

Study offers clues to 'Broken Heart Syndrome'

...hers from Brown University in Providence, RI, have developed the largest registry of patients in the United States with Takotsubo cardiomyopathy, informally known as broken heart syndrome because it is often preceded by an emotional or physical shock of some kind and almost always strikes women. One thing is c...

Scientists develope a new model of artificial canine skin

...he animal nutrition company Affinity Petcare, have developed an artificial cellular model which faithfully repr...UNIVET, in cooperation with Affinity Petcare, have developed an artificial canine skin model, very similar to normal skin, which is useful for research and which...

DOE JGI sets 'gold standard' for metagenomic data analysis

...a. "However, so far all the methods that have been developed were aimed toward analyzing data coming from single, isolate genomes. In this instance, the situation is simple; we know what gene belongs to which organism. In metagenomes, it's much more challenging, because you have sequences from many different...

DNA-damage test could aid drug development

...stitute of Technology and Whitehead Institute have developed a cell culture test for assessing a compound's gen..., the graduate student in chemical engineering who developed the assay, is in the unusual position of being a graduate student in three labs, those of Professors...

100 percent of pregnant women have at least one kind of pesticide in their placenta

... the organisms of pregnant women. The analysis was developed at San Cecilio University Hospital, in Granada, with 308 women who had given birth to healthy children between 2000 and 2002. The results are alarming: 100% of these pregnant women had at least one pesticide in their placenta, but the average rate am...

Thymus transplants gives hope to babies with fatal immune disease

...tric immunologist Louise Markert, M.D., Ph.D., who developed the procedure. "There is a treatment available -- thymus transplantation -- that has led to survival of most of the infants who otherwise would have died." For the procedure, surgeons obtain thymus tissue that usually is discarded from babies unde...

Dinosaur hearing, listening to muscle noise, quieter cubicles

... resources, as well as visitor experience, NPS has developed analytical tools to assess lost opportunities to hear and respond to the sounds of nature. At the Grand Canyon, efforts are being made to implement the National Parks Overflights Act of 1987, which calls for the timely, substantial restoration of n...

Researchers develop way to calculate speed of bacterial sex

...s from the University of California-Davis recently developed a mathematical model of the rate of gene transfer among bacteria in the environment. Researchers believe this new model improves upon existing models by taking into account characteristics of the natural subsurface environments, the typical bacteria ...

Iowa State scientists demonstrate first use of nanotechnology to enter plant cells

...th an Iowa State University proprietary technology developed previously by Lin’s research group. It is a porous, silica nanoparticle system. Spherical in shape, the particles have arrays of independent porous channels. The channels form a honeycomb-like structure that can be filled with chemicals or molecules....

Scientists seek useful traits in wild cottons

...and came on-line in 2003. "We have developed several reliable methods for screening obsolete and wild cottons for several positive, heritable traits," Gannaway said. "The data from these experiments should give molecular breeders more tools to work with as they look for ways to diversify, impro...

Hexavalent chromium in drinking water causes cancer in lab animals

...(NTP) shows that animals given hexavalent chromium developed malignant tumors. "Previous studies have shown that hexavalent chromium causes lung cancer in humans in certain occupational settings as a result of inhalation exposure," said Michelle Hooth, Ph.D., NTP study scientist for the technical report. "We...

Do fruit flies have free will?

...er the team analyzed the fly behavior with methods developed by co-authors George Sugihara and Chih-hao Hsieh from the Scripps Institution of Oceanography at UC San Diego did they realize the origin of the fly's peculiar spontaneity. "We found that there must be an evolved function in the fly brain which leads...

Genome of yellow fever/dengue fever mosquito sequenced

...ally active TE copies, indicating that they may be developed as tools for genetic studies of mosquitoes," Tu sa...--to perform biological functions." TEs may be developed as genetic tools to study the interaction between mosquitoes and pathogens, and thus may lead to con...

DNA analysis suggests under-reported kills of threatened whales

... profiles from each slice of whale meat ?which was developed by one of the co-authors of the study, Justin Cooke at the Center for Ecosystem Management Studies in Gutach, Germany. Although capture-recapture analysis is widely used to estimate the abundance of living whales in the while, it had not previously b...

A new portable biosensor detects traces of contaminants in food more quickly and cheaply

...arcelona (UAB), in cooperation with the CSIC, have developed a new electro-chemical biosensor which detects the...xpensive, slow and bulky equipment. The sensor developed by scientists at the UAB and the CSIC will allow the detection of doses of atrazine at levels of 0.0...

Study of protein folds offers insight into metabolic evolution

...on established techniques of phylogenetic analysis developed in the past decade to plot the evolution of genes and organisms but which have never before been used to work out the evolutionary history of protein architecture across biological networks. "We are interested in how structure evolves, not how org...

Danish researches solve virus puzzle

...Niels Bohr Institute, University of Copenhagen has developed optical tweezers which can investigate and manipulate molecules at the nano-meter scale. Using a tightly focussed laserbeam this instrument can grab the ends of the RNA tether and follow the process of how the pseudoknot is mechanically unfolded. ...

Intelligent materials to regenerate bone tissue

...articles and of a biodegradable nature. Also to be developed is the cell culture in three dimensions, as well as ensuring the biocompatibility of the material....

York mathematician probes geometric route to combat viruses

... that encapsulate the viral genome. Dr Twarock has developed a method for encoding the structures of these protein shells that pinpoint the locations of the proteins and the bonds between them. With collaborators Professor Cristian Micheletti, from the International School for Advanced Studies (SISSA) in Tries...

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