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Tag: "testing" at biology news

Chemists create 'Superbowl' molecule; May lead to better health

...hese potential problems can be solved with further testing and some clever chemical engineering. Funding for this study was provided by The Australian National University. In addition to Sherburn, study authors include Elizabeth S. Barrett and Alison J. Edwards, also with Australian National University; and...

Neuronal 'traffic jam' marks early Alzheimer's disease

...is, then neuronal cultures could prove valuable in testing diagnostic and therapeutic approaches, said Goldstein. The researchers are also analyzing more brain tissue samples from humans with Alzheimer's disease, to confirm their findings of the early transport defects and their effects on neuronal death. ...

Recent breakthroughs in common adult leukemia highlighted in New England Journal of Medicine

...available to doctors, and after large-scale trials testing early intervention are completed, the 'watchful waiting' practice may be abandoned in many cases," said Dr. Rai, who treats many CLL patients. "New and upcoming discoveries made collectively by us and many other scientists around the world may alter ...

Scientists Replicate Hepatitis C Virus in Laboratory

...rom the host cell into the culture medium. Further testing is needed before the researchers can determine if the viral particles produced in this system are in fact infectious. Also, this system only represents the tail end of the viral life cycle ?viral replication, assembly and release from host cells. Ano...

Found: Missing sequence of the human Y chromosome

...d eightputatively active genes, further functional testing of these genes mayreveal insights into the genetic basis for stature and gonadoblastoma....

The secret lives of whales

...y one was a female,?says Payne. Ocean Alliance is testing its samples for 30 different pollutants. “Some of these are endocrine disruptors ?female hormone mimics that cause serious problems. The whole world is being feminized,?says Payne. Payne’s greatest hope is that in the next decade, the world will have...

Novel Therapy Tested in Mice Could Chase Away Cat Allergies

...Saxon says. However, further research and clinical testing would be required before it might be used in humans. He also is interested in applying this approach to develop a preventive treatment for serious food allergies. ...

UCSD researchers maintain stem cells without contaminated animal feeder layers

... as hormone secretion, finally shown in additional testing to maintain the undifferentiated state. The study's first author, Gillian M. Beattie, M.S., UCSD Department of Pediatrics and the Whittier Institute, said that "it will be rather simple now to develop a specific defined medium that allows for the ma...

Scientists develop new color-coded test for protein folding

...ology, we believe it will eventually be useful for testing other, more complicated proteins," Zare said, noting that a gold nanoparticle sensor could turn out to be a quick and inexpensive way for doctors to identify antibodies and other signs of infection in the blood stream. Over the next few months, he an...

Study shows nanoshells ideal as chemical nanosensors

...ing cancer diagnosis, cancer therapy,diagnosis and testing for proteins associated with Alzheimer's disease,drug delivery and rapid whole-blood immunoassay.In the current study, Halas and former graduate student Joseph B.Jackson, now with Nanospectra Biosciences, Inc., created thin films ofnanoshells deposit...

MSI releases 'moleculizer' - a new approach to simulation of intracellular biochemical networks

...n testinghypotheses with simulated outcomes before testing them experimentally.The predictive capabilities of computer simulations can also aidbiologists in viewing cellular activity over a period of time, bytaking advantage of the power of computers to generate the thousands ofpotential protein complexes an...

NYC's First Rapid HIV Drug-resistant AIDS Case Prompts Call to Step Up HIV Prevention

...e chain of infection through effective prevention, testing and treatment efforts." ...

FDA Warns Consumers Not to Use Home-Use Diagnostic Kits Marketed by Globus Media

...at test results are correct. For example, a person testing positive for HIV (human immunodeficiency virus, or the AIDS virus) using one of these tests may not be infected with HIV, or, worse, someone infected with HIV may test negative and not seek medical treatment or spread the virus to others. The tests ...

Newly Discovered Compound Blocks Known Cancer-Causing Protein

... it through the first steps of drug development by testing the compound in animal models of cancer. The research was supported by grant from the NIH and a Howard Hughes Medical Institute predoctoral fellowship to Casey graduate student Ann M. Winter-Vann, the first author of the study. "This is the first s...

Tiny scaffolding allows stem cells to become working fat cells

...ach might have commercial applications as a way of testing new drugs. "Small, three-dimensional cell colonies could be grown on multi-well assay plates and be used to test dozens of compounds at the same time," he explained. "Since these cells better resemble how cells function in living tissue, they would ...

NJIT Presidential Award winner takes stem cell research another step

...t may be regenerated by stem cells. Arinzeh is now testing biomaterials that, in combination with stem cells, might also repair cartilage, tendon and neuronal tissues. Her studies could lead to medical breakthroughs that would help a host of patients. Stem cell implantation could help cancer patients who've...

Boosting HIV screening can increase survival and is cost effective

...den opportunity to jump-start the expansion of HIV testing services in the U.S.," said Yale lead author A. Da... predict the costs and benefits of HIV counseling, testing and referral. They found that routine, voluntary HIV screening every three to five years is cost-eff...

Scientists find fossil proof of Egypt's ancient climate

...his region over the past 400,000 years. We're also testing the hypothesis that humid events were more frequent than previously thought, which would have allowed for greater mobility throughout the region." The researchers noted that the silt thickness at the lake exceeds five yards, an indication that the h...

PCRM develops world's first cruelty-free insulin assay

...mane alternatives to animal-based assays and other testing procedures--alternatives that could help save the lives of millions of people and animals." There are an estimated 194 million people worldwide with diabetes. More than 15 million Americans suffer from the disease and resulting complications. ...

Kinovate Life Sciences Launches Nittophase?High Performance Solid Support For Oligonucleatide Synthesis

...liver unmatched performance.?/p> “Our internal testing and analysis of NittoPhase?has clearly validated this product in terms of technical and cost performance. As a result of our partnership with Nitto Denko Corporation, Isis is pleased to incorporate NittoPhase?into its own drug development operations ...

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