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Tests in Biological News

Genetic tests advertised directly to the consumer

Los Angeles, London, New Delhi, Singapore and Washington DC (July 20, 2009) Genetic testing services have recently begun to be advertised directly to the patient, and the results of the consumers' response can affect public health, as well as the future adoption of pharmacogenetic/genomic testing...

New biomarker method could increase the number of diagnostic tests for cancer

A team of researchers, including several from UCSF, has demonstrated that a new method for detecting and quantifying protein biomarkers in body fluids may ultimately make it possible to screen multiple biomarkers in hundreds of patient samples, thus ensuring that only the strongest biomarker candi...

Penn research team tests bedside monitoring of brain blood flow and metabolism in stroke victims

PHILADELPHIA A University of Pennsylvania team has completed the first successful demonstration of a noninvasive optical device to monitor cerebral blood flow in patients with acute stroke, a leading cause of disability and death. The ultimate goal of this research is to improve the management...

Queen's University Belfast plays leading role in Europe-wide tests for safer food

A top food scientist at Queen's University Belfast is playing a major role in a 4m European project to develop new techniques to detect chemical contaminants in food and animal feed. Professor Chris Elliott, Director of the Institute of Agri-Food and Land Use at Queen's, will lead a team of...

ESA tests laser to measure atmospheric carbon dioxide

A recent ESA campaign has demonstrated how a technique using lasers could be employed to measure carbon dioxide in the atmosphere. The campaign supports one of the main objectives of the candidate Earth Explorer A-SCOPE mission. A-SCOPE (Advanced Space Carbon and climate Observation of Planet E...

Children's Hospital scientists achieve repair of injured heart muscle in lab tests of stem cells

Researchers at Children's Hospital of Pittsburgh of UPMC have been able to effectively repair damaged heart muscle in an animal model using a novel population of stem cells they discovered that is derived from human skeletal muscle tissue. The research team led by Johnny Huard, PhD transplant...

'At home' genomic tests for disease risk premature

NEW YORK, MARCH 18, 2008--The recent marketing of at home genomic tests for disease risk may be premature, according to Dr. Kenneth Offit, MD, MPH, Chief of the Clinical Genetics Service at Memorial Sloan-Kettering Cancer Center (MSKCC). Health professionals are now faced with the prospect of thei...

Taser Notices Intent to Serve Subpoena for Information on Old NIJ Tests in Taser v. Stinger

Fails to Disclose Test Dates in Press Release TAMPA, Fla., Feb. 21 /PRNewswire-FirstCall/ -- Stinger Systems, Inc. (OTC Bulletin Board: STIY) a leader in electro-stun technologies announced today that as required pursuant to Federal Rule of Civil Procedure 45(b)(1), Taser Internat...

Scripps scientists develop new tests that identify lethal prion strains quickly and accurately

One of the new in vitro tests, called the Standard Scrapie Cell Assay, measures prion infectivity levels in a highly accurate and extremely rapid way, producing results in less than two weeks. The second test, called the Cell Panel Assay, allows researchers to quickly distinguish between several p...

Direct-to-consumer advertising for genetic tests concerns physicians and may mislead patients

Direct-to-consumer advertising for commercial genetic testing is on the rise and may be problematic, according to a Massachusetts General Hospital (MGH) physician. In the December issue of Obstetrics & Gynecology, Erin Tracy, MD, MPH, warns that such testing is poorly regulated and may present po...

K-State Veterinary Lab routinely tests for bluetongue virus

MANHATTAN, KAN. -- Livestock producers in the United States should be cautious but not overly fearful of bluetongue virus, according to a veterinary laboratory director at Kansas State University. Gary Anderson, director of the Veterinary Diagnostic Laboratory at K-State, said strains of the vi...

Study finds environmental tests help predict hospital-acquired Legionnaires' disease risk

PITTSBURGH, Aug. 22 A new study spearheaded by the University of Pittsburgh School of Medicine has determined that environmental monitoring of institutional water systems can help to predict the risk of hospital-acquired Legionella pneumonia, better known as Legionnaires disease. Reported recentl...

New 'chemically-sensitive MRI scan' may bypass some invasive diagnostic tests in next decade

A new chemical compound which could remove the need for patients to undergo certain invasive diagnostic tests in the future has been created by scientists at Durham University. Research published in the academic journal, Chemical Communications, reveals that this new compound could be used in a...

Electromagnetic phantom exorcises specters of metal detector tests

In the comics, the Phantom is a masked crimefighter who protected the innocent from pirates, hijackers and other evildoers. While not as dashing or exciting as its costumed namesake, this electromagnetic phantoma carbon and polymer mixture that simulates the human bodyis being readied by the Natio...

Caltech scientists develop 'barcode chip' for cheap, fast blood tests

PASADENA, Calif.-- A new "barcode chip" developed by researchers at the California Institute of Technology (Caltech) promises to revolutionize diagnostic medical testing. In less than 10 minutes, and using just a pinprick's worth of blood, the chip can measure the concentrations of dozens of prote...

'Femtomolar optical tweezers' may enable sensitive blood tests

Cutting-edge "tweezers" are so sensitive that they can feel the tell-tale tug of tiny concentrations of pathogens in blood samples, yet don't ever need to be sterilizedor even heldas they are ephemeral and weightless. The National Institute of Standards and Technology (NIST) has licensed a patente...

A card-swipe for medical tests

SALT LAKE CITY University of Utah scientists successfully created a sensitive prototype device that could test for dozens or even hundreds of diseases simultaneously by acting like a credit card-swipe machine to scan a card loaded with microscopic blood, saliva or urine samples. The prototyp...

Building a stronger roof over your head: '3 little pigs' project begins first tests

LONDON, ON With hurricane season upon us, many wonder if the roof over their heads will hold firm in the face of high winds. This week, inaugural tests at The University of Western Ontario's 'Three Little Pigs' project at The Insurance Research Lab for Better Homes will begin to provide answers ...

Fraud attempt in a paternity test modifies action protocol in DNA tests

This release is available in Spanish . Researchers from all over the world have been carrying out paternity tests regularly. Samples are usually collected from mouth and saliva cells to carry out the DNA analysis. The team of Dr Jos Antonio Lorente Acosta (director of the Laboratory of G...

Biomagnetics developed for use in new breast cancer tests

A team from UCL has developed a new medical device which will make the early detection of breast cancer more cost effective and easier to administer. The team - which won a prestigious Brian Mercer Feasibility Award from the Royal Society yesterday - plans to use magnetic nanoparticles and an extr...

PETA awards $120,000 to Duluth Foundation for advancing non-animal tests

Duluth, Minn. Tomorrow, PETA will donate $120,000 to the Duluth-based International QSAR Foundation to Reduce Animal Testing to further its important work aimed at improving toxicity testing and saving the lives of millions of animals who are routinely maimed and killed in laboratory experiments....

Gene tests and brain imaging reveal early dementia

Dementia diseases develop insidiously and are generally discovered when the memory has already started to deteriorate. New research form Karolinska Institutet shows, however, that approaching Alzheimer's can be detected several years before the symptoms manifest themselves. Dementia involves a s...

Light-based probe 'sees' early cancers in first tests on human tissue

In its first laboratory tests on human tissue, a light-based probe built by researchers at Duke University's Pratt School of Engineering almost instantly detected the earliest signs of cancer in cells that line internal organs. If the preliminary success of the "optical biopsy" is confirmed throu...

Chemical tests of cell growth enter third dimension

Ohio State University researchers have developed two new technologies for measuring cell growth in the laboratory. The first patent-pending technology provides a way for researchers to easily tell if cancer cells in the laboratory are responding to an anti-cancer drug. The second -- because it te...

Embryo tests give parents the choice

MORE than 40 per cent of fertility clinics in the US are allowing couples to choose the sex of their child, a survey conducted by the Genetics and Public Policy Center (GPPC) in Washington DC suggests. The testing method, called preimplantation genetic diagnosis (PGD), was originally designed to te...

Free HIV tests cheaper than charging when goal is preventing AIDS

Offering free HIV tests instead of charging a small fee is more cost-effective at preventing HIV infections and draws in three times as many people for testing, according to a Duke University Medical Center study conducted in Tanzania. The Duke researchers provided free HIV tests and counseling ...

Human trial proves ricin vaccine safe, induces neutralizing antibodies; further tests planned

Scientists have completed the first human clinical trial of a recombinant vaccine for the deadly toxin ricin ?a potential bioterror threat ?and the results indicate the vaccine is safe and effective in eliciting ricin-neutralizing antibodies, the UT Southwestern Medical Center researchers report. ...

UN successfully tests 'green' pesticide against locusts

A new method for manipulating macromolecules has been developed by researchers at the University of Illinois at Urbana-Champaign. The technique uses double-stranded DNA to direct the behavior of other molecules. In previous DNA nanotechnology efforts, duplex DNA has been used as a static lattice...

Transgenic plants remove more selenium from polluted soil than wild plants, new tests show

In the first field trial of plants genetically tweaked to absorb more contaminants, researchers found that the transgenic plants handily beat out their wild-type counterparts. The results raised hopes that the plants might become a viable alternative for cleaning up polluted soil. The new resear...

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

Physicians at Emory University School of Medicine are conducting a clinical trial using stem cells generated within the bone marrow to grow new blood vessels that could improve circulation in patients with blockages in the arteries of their legs -- a condition called peripheral vascular disease (...

Carbon nanoparticles toxic to adult fruit flies but benign to young

...aster showed no physical or reproductive effects from consuming carbon nanoparticles in their food. Yet adult Drosophila experienced a different fate. tests showed adults immersed in tiny pits containing two varieties of carbon nanoparticles died within hours. Analyses of the dead flies revealed the carbon...

NIH stimulus funding supports Emory biomedical scientists

...tudents and teachers. For example, Emory undergraduate nursing student Adam Houck is working with Emory nursing professor Sandra Dunbar. Their project tests whether involving family members in the care of elderly heart failure patients can help them stick to their diets and medication plans. Emory unde...

New cancer drug delivery system is effective and reversible

...r to a liposome loaded with cisplatin, a drug that effectively kills cancer cells but has troublesome side effects when administered intravenously. tests in cells grown in the lab yielded promising results. Four days after they exposed the cells to the new drug-delivery system, 59.5 percent of the breas...

Understanding how weeds are resistant to herbicides

...ifying weed resistance is an immediate outcome of having the genetic data. "Once we obtain the sequence of a resistance gene, we can develop molecular tests that are specific for the resistance mutation. "We can take a sample of waterhemp from a field that was sprayed and the waterhemp hasn't died and we c...

Pinhead-size worms + robot = new antibiotics

...ntial drug to cultures of bacteria or cells and watching the results. These tests sometimes do not work well. They may give passing grades to potential drugs...s are tiny nematode worms that are widely used in scientific research. The tests identified 28 potential new drugs never before reported to have germ-fighti...

La Jolla Institute discovers novel tumor suppressor

...e. "This suppressed myeloproliferative disease in these mice," Dr. Kawakami continued. Dr. Kawakami said his research team got similar results in tests of human cells from people with Burkitt's lymphoma, an aggressive type of B-cell lymphoma that occurs most often in children and young adults. "Some ...

Little-known protein found to be key player

...o it's distinctly different." Using a range of tests on purified proteins, live fruit flies and cell cu... function -- when some parts were disabled. The tests showed that cells with extra atlastin had an overd...bers that's critical for normal cell function. The tests also showed too little atlastin led to a fragmente...

Experimental treatment halts hypoxic-ischemic brain injury in newborns

...schemia-induced activation of matrix metalloproteinases and damage to the blood-brain barrier. The researchers also applied magnetic resonance imaging tests and microscopic analysis of brain tissues, which showed that PAI-1 treatment greatly reduced brain edema, axonal degeneration and the loss of brain ti...

Spallation Neutron Source sees first target replacement

...getting from their experiments," said SNS Director Ian Anderson. The SNS team has already operated the facility at close to megawatt levels. Recent tests verified that the linear accelerator and accumulator ring--two vital components that supply the proton beam pulses--are meeting and exceeding the 1.4 ...

In vitro antibody production enables HIV infection detection in window period -- key to safer blood

...el, and Dr. Tamar Jehuda-Cohen, an immunologist, Faculty of Biomedical Engineering, Technion-Israel Institute of Technology, ran the same HIV antibody tests using both regular plasma and SMART-plasma (plasma after the Stimmunology step) from blood donors in Kenyata hospital. Dr. Jehuda-Cohen noted that "th...
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