Tests in Biological News

Little-known protein found to be key player

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

American Chemical Society's Weekly Presspac -- June 17, 2009

... four feet? EPA moves toward animal-free toxicity tests Chemical & Engineering News The U.S. ... to switch to a new generation of animal-free tests for predicting the toxicity of chemicals to ... marketed chemicals for adverse effects. The new tests will produce results in a fraction of the time ...

American Chemical Society weekly presspac -- June 10, 2009

... of long-sought diagnostic and screening tests that literally sniff out chronic renal failure ... and colleagues point out that the blood and urine tests now used to diagnose CRF can be inaccurate and ... and bleeding. Doctors have long hoped for better tests for early detection of kidney disease. The ...

Early identification of dementia increasingly difficult

... of Gothenburg, Sweden. Several of the tests previously used to predict which elderly ... in 2000 scored much higher on psychological tests than those examined 30 years earlier. This finding clearly indicates that such tests can no longer be used to predict future dementia. ...

American Chemical Society's Weekly PressPac -- May 13, 2009

... an advance toward faster, more sensitive tests for detecting melamine, the substance that killed ... adulterated with the substance. The improved tests may ease global concerns about food safety, the ... new study, Lisa Mauer and colleagues note that tests already exist for melamine, which is widely used ...

American Chemical Society's Weekly PressPac -- April 22, 2009

... note in the new study that fast, highly effective tests already are available for five of the six known species of Listeria . These tests use antibodies that signal the presence of the bacteria. However, no rapid, sensitive tests are available for detecting Listeria ...

Lab study shows THC exposure as adolescents linked to negative effects of THC as adults

... less sensitive to THC's negative effects on tests of learning and memory. A new study, reported ... to THC as adults, they performed more poorly on tests of learning and memory diminished response time, ... adolescents. All rats given THC did worse on tests than did similar animals receiving saline, and ...

New nucleotide could revolutionize epigenetics

... in granule neurons. He then performed a series of tests on 'x,' including mass spectrometry, which ... life forms, bacterial viruses. A number of other tests showed that 'x' could not be a byproduct of age, ... this nucleotide does is not yet clear. Initial tests suggested that it may play a role in ...

American Chemical Society Weekly PressPac -- April 8, 2009

... #2 FOR IMMEDIATE RELEASE Long-awaited new tests for detecting the bioterrorism agent ricin ... the development of faster, more sensitive tests for detecting the deadly poison. One can detect ... five minutes, the scientists say. Reports on the tests the most sensitive to date for detecting ricin ...

American Chemical Society's weekly PressPac -- March 11, 2009

... TIME, March 16, 2009 Affordable medical tests for the developing world Chemical & ... of simple, affordable medical diagnostic tests is heading toward the developing world where they ... Arnaud explains that scientists have designed the tests for the harsh realities that exist in much of the ...

Simple test helps predict heart attack risk

... cardiovascular risk factors and screening tests (like the ABI, which is a comparative blood ... radiologists often provide PAD screening tests like the ABI. Primary care doctors, who oversee ... how well the blood is flowing and whether further tests are needed. Elevated results for plasma ...

After a few drinks, older adults more impaired than they think

... people did, they performed worse on special tests after having moderate amounts of alcohol and did ... respectively participants were given tests that required them to draw lines connecting ... alternating between numbers and letters. Those tests give clues about a person's mental processing ...

Physically fit kids do better in school

... scored better on standardized math and English tests than their less fit peers. Researchers ... of passing both standardized math and English tests increased as the number of fitness tests passed increased, even when controlling for ...

Consumers desire more genetic testing, but not designer babies

... what is currently offered but their selection of tests have limits on enhancements. Prior to their ... belief systems when assessing choice for genetic tests and that genetic counselors may want to develop a policy statement about new genetic tests that are becoming available and the ethical ...

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

... will lead a team of scientists in developing new tests aimed to protect the public from potentially ... heavy metals, plant and natural toxins. tests will be developed and validated for products ... fish feed, cereal-based food and vegetables. The tests will also study the transfer of harmful ...

A card-swipe for medical tests

... to look for many disease markers." Unlike lab tests today, results could be available in minutes, not ... about two years, and a version for human medical tests might begin clinical evaluation in five years, ... that in most medical settings, less than a dozen tests would be needed. Nevertheless, "you eventually ...

Diabetes researcher gets $5M boost

... taking a skin biopsy from the foot, and running tests which could take up to three days, whereas the quick and non-invasive eye tests would see results in a matter of minutes. ... eye for analysis. There are also three more tests being looked at - the first, called non-contact ...

New blood test for Down syndrome

... safer and faster alternative to invasive prenatal tests such as amniocentesis that pose a small risk of ... reason, routine use of these invasive diagnostic tests has largely been limited to women age 35 and ... working for years to devise noninvasive screening tests that would be safe for that group of women. In ...

Genetic Engineering & Biotechnology News reports on growing role of molecular diagnostics

... genomics and proteomics. These novel tests also utilize sophisticated analytical techniques ... are being applied at an earlier stage. Genetic tests can optimize drug therapy, and companion ... in oncology and infectious disease. Its genetic tests include CYP450 for drug metabolism studies and ...

Advance offers revolution in food safety testing

... food safety testing done with DNA-based tests or antibody-based methods only indicate the ... or whether the food is safe to eat." Existing tests only work to detect bacteria that have already ... of DNA or type of protein they produce. Such tests can't tell whether the contaminating bacteria are ...

ASM and FIND to partner on strengthening infectious disease diagnosis in developing nations

... accurate and affordable tuberculosis diagnostic tests that can be effectively deployed in resource poor ... and rapid introduction of new diagnostic tests where they are most needed is why partnerships ... are urgently needed. FIND is prioritizing tests that can be adopted at the lowest level of the ...

bioMETRX, Inc. Garage Door Opener Named 'Best In Class'

... Research Institute, which was founded in 1900 and tests products in all aspects of consumer ... was aware that Good Housekeeping was performing tests on our GDO product, but we didn't expect the tests to include competitor products as well. We knew ...

American College of Medical Genetics makes genetic testing recommendations in new policy statement

... a broad range of genetic tests. Paternity tests at the drugstore.Personal genome mappingGene tests to predict future baldness. With ongoing genetic ... and technology improvements, more genetic tests are available than ever before and along with ...

Sharper image: UH optometrist establishes sports vision clinic

... from various sports, and utilizes a range of tests to analyze what is called the visual system. ... were ahead or slightly behind. We customized the tests to focus on vision skills needed for infielders ... we have improved, Holas said. From his in-office tests to the field tests, the girls love the challenge ...

Aerodynamic trailer cuts fuel and emissions by up to 15 percent

... based on mathematical models and wind tunnel tests by TU Delft, have been confirmed during road tests with an adapted trailer. This means that ... Just obtaining permits for all the road tests has involved a huge amount of time, energy and ...

Saliva can help diagnose heart attack, study shows

... and designer of the nano-bio-chip. Our tests promise to dramatically improve the accuracy and ... are truly exciting findings, since use of these tests could lead to more rapid diagnosis and faster ... saliva sample, where low protein levels make such tests difficult even with large and expensive lab ...

'At home' genomic tests for disease risk premature

... 18, 2008--The recent marketing of at home genomic tests for disease risk may be premature, according to ... companies have been marketing a range of genetic tests directly to consumers concerned about genetic ... as they consider offering these research-based tests in clinical practice. Dr Offit voices concerns ...

Study finds health professionals, public unprepared for genomic medicine

... they were interested in the prospect that the tests might help identify those people who are at ... be necessary to estimate the value that genetic tests add to health services delivery. Researchers ... of more rigorous national standards for genetic tests to ensure quality of such testing. ...

Technology uses live cells to detect food-borne pathogens, toxins

... plates. Each well can test one sample, so tests can be expanded to quickly analyze as many ... that are inactive, or harmless. Some analogous tests lack this capability, making them prone to false ... take place on-site, he said. This technology tests for bacteria and toxins that attack cell ...

'Fluorescent' cells give early warning for eye disease

... vision loss as compared to several standard tests used to evaluate vision: visual fields, visual ... yet received treatment. According to standard tests they had good visual acuity, and their visual field tests indicated either subtle abnormalities or none at ...

Portable device quickly detects early Alzheimer's

... later this year. Current assessment tests capable of detecting early Alzheimers typically ... can influence the patients score and reduce the tests effectiveness. Because of their length and expense, the tests are not used as regular screening tools and ...

Half of the people suffering from head injuries fake to receive financial help

... work by this researcher has validated a series of tests which, when used on patients without them being ... and which are not. These neuropsychological tests were included in a three-hour-long battery of neuropsychological tests which assesses other cognitive aspects of the ...

'Swish-and-spit' test accurate for cancer

... healthy individuals it spotted (53 of 173). Few tests can be perfect 100 percent of the time in ... to screen those at high risk and to focus on a tests ability to accurately rule out healthy people. Califano notes that tests designed for broader populations, like PSA, focus ...

Cheaper drugs now closer to realization with new DropArray technology

... substances and performing other related tests may soon be replaced by a new miniaturized ... slashes the time needed to run certain lab tests by over 60 per cent and reduces consumable costs ... is typically used by scientists in diagnostic tests to determine how a blood sample interacts with ...

Cat fleas' journey into the vacuum is a 'one-way trip'

... and exposed fleas to churning air in separate tests to further explore potential causes of flea ... from a tightly woven kitchen-type of carpet. Six tests of vacuuming the adult fleas yielded an average of 96 percent of fleas killed; three tests of vacuumed pupae and one test of vacuumed larvae ...

New insights into the fate of antiparasitics in manure and manured soils

... An innovative experimental design for laboratory tests on VMP has been developed in order to simulate ... already under laboratory conditions. Degradation tests of VMP as 14C-labeled radiotracers in manures ... prepared and then applied in laboratory batch tests to study degradation and sorption of VMP in ...

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

... for patients and physicians. Some of the tests that are being offered have no proven clinical ... to what those results might mean, whether these tests have any proven value, or what resources are available for follow up." The majority of DNA tests are home brews that are unregulated by the FDA, ...

MIT: 'Micro' livers could aid drug screening

... shortcomings of liver toxicity tests. Existing tests rely on liver cells from rats, which do not ... has the potential to make new types of toxicity tests possible. For instance, it opens the door to ... the microwells in a matter of minutes. In tests of drugs with a range of well-known toxicity ...

Genetic ancestral testing cannot deliver on its promise, study warns

... patients asking doctors to take ancestry tests into consideration when making medical decisions; ... companies carefully explain what genetic ancestry tests can and cannot tell a test-taker, other companies ... trace the mother's lineage, and Y-chromosome tests which track paternal ancestry. The test-taker ...

USC biomedical team to participate in $6 million low vision project

... School of Optometry will develop and administer tests to measure the effectiveness of these new visual ... will administer a battery of high-level vision tests to probe psychophysically visual functions, such ... of objects, faces and scenes. Other, lower-level tests will help the team determine whether subjects ...