Virco first to introduce drug-specific biological cut-offs for its HIV resistance tests
...biological variation of tens of thousands of virus samples from patients in the USA and Europe and will be in...00 untreated patients as well as many thousands of samples of HIV-1 with no resistance mutations. The average and the range of susceptibility were calculated ...High success rates for variety of heroin addiction treatment medications
...one patients submitted fewer heroin-positive urine samples than did low-dose methadone patients. The percentage of patients with 12 or more consecutive heroin-negative urine specimens differed significantly across the groups. More than one-third of the LAAM patients had 12 or more consecutive negative urine ...FDA awards grant to metaphore pharmaceuticals to study septic shock in humans
...h of MetaPhore. The researchers will study blood samples from sepsis patients to confirm the link between free radicals and falling blood pressure. Because free radicals convert catecholamines into a second class of compounds, known as adrenochromes, the researchers expect to find increased levels of adre...There are a few 'safe' days in menstrual cycle
...ired that the women volunteers provide daily urine samples that the researchers could test for estrogen and progesterone. An abrupt change in the ratio of these hormones marks the event of ovulation. This signal was used to identify days of ovulation during 696 menstrual cycles. In previous reports, Wi...Stress levels can affect success of pneumonia vaccinations
... current stress level and blood samples were taken to gauge their immu...uenza pneumonia. Similar blood samples were taken and analyzed two weeks, one month, three months and six months after ...Other highlights in the October 15 issue of JNCI
... two related polyomaviruses, JCV and BKV, in serum samples from 212 patients with osteosarcoma or prostate ca...BKV and JCV antibodies were prevalent in all serum samples examined, but only 6.6% of samples had SV40 antibodies, none of which could be confirmed as having a...... expectant mothers in the Seychelles islands. Hair samples collected when the mother gave birth found mercury concentrations ranging from 0.5 ppm to 27 ppm, with no adverse effects in their children. The NAS said the epidemiologic studies on mercury "provide little evidence" that children are affected app...Duke chemists synthesize fungus compound that could lead to oral diabetes drugs
...d of fixing molecular libraries to a surface, tiny samples of each library entry can be placed in a different small well, with different reagents then pipetted in to interact there, he said. Merck Research Laboratories scientists originally discovered DAQ by systematically screening more than 50,000 comb...Not all allergy tests are created equal, study suggests
... Researchers obtained blood samples from 26 people with known allergies and then sent samples from each individual to six commercial laboratories. Each of...Risk of ill health from seawater in resorts meeting European Union standard
...crobial contamination. Almost 40 per cent of water samples exceeded the guide standard for total coliforms, while 57 per cent and 38 per cent of samples exceeded the guide standard for faecal coliforms and other faecal bacteria, respectively....Researchers gain insights on pulmonary fibrosis
...y identifying families and obtaining the necessary samples for analysis, the researchers said. For this parti...tudy, patients answered questionnaires, gave blood samples for genetic analysis and often had various radiologic examinations. "In rare diseases like famil...Smoking prevention programs may miss minority teens
...nia 8th-graders. Previous research, drawing from samples consisting largely of whites, has demonstrated that teenagers often yield to peer pressure and their perceptions of social norms in deciding whether to smoke. This study showed that African Americans, Asian Americans, Hispanics and Pacific Islanders ...Microbes and the dust they ride in on pose potential health risks
...f the dust season in July 2000, Garrison collected samples of airborne pollutants and dust daily on the islan...s tracking dust clouds from North Africa. The air samples with high levels of microbes were collected on the days that NASAs Total Ozone Mapping Spectrometer ...Avandia may reduce risk of cardiovascular disease
...ne daily for a period of six weeks. Fasting blood samples were obtained at 0, 1, 2, 4, 6 and 12 weeks (6 weeks after cessation of the drug). The study measured the effectiveness of Avandia in decreasing the levels of monocyte chemoattractant protein-1 (MCP-1), reactive oxygen species (ROS) and C-reactive p...This summer, Camp Calcium is where the boys are
... dietary intake and check campers' waste and blood samples each day. "The boys will be getting from 800 to 2,200 milligrams of calcium per day," Martin says. "In order to estimate the optimum calcium intake levels, we have to give the boys a wide range of calcium levels." Research from this year's Camp Calc...Antioxidant herbal extract may help prevent and treat reflux oesophagitis
...agitis in 60 rats and subsequently examined tissue samples for signs of ulceration and/or healing. Fifteen rats were given no treatment. The rest were either treated with a commonly prescribed acid suppressant drug or 30 mg or 100 mg/kg of the antioxidant extract DA-9601 derived from the wormwood herb (Artem...Brain trauma may increase the risk of Alzheimer's disease
...el of traumatic brain lesions in Alzheimer's brain samples when compared to normal brain tissue. The researchers conclude that brain injury increases an individual's risk of developing Alzheimer's. This study also looked at ApoE4, a gene implicated in the development of Alzheimer's. They found that brain inj...Pipelines, storage containers may spread MTBE throughout Midwest
...The researchers analyzed regular unleaded gasoline samples from more than 200 sites in Indiana, Illinois and ...ly widespread presence of the chemical in gasoline samples suggests there is a "ticking time bomb" that could adversely affect drinking water, Barreto cautions...Submicrometer-scale metallic barcodes described by Penn State and Surromed
...dentify multiple biological components in clinical samples in a manner analogous to barcodes used in tracking inventory. As a proof of principle for the use of these particles in bioanalysis, the scientists demonstrated their utility in two types of bioassays employing DNA and antibodies. Using an immunoa...UNC to share in $34 million study of what happens to cancer patients
...er said. UNC investigators also will collect blood samples and tumor tissue from patients to learn if biological factors influence how patients fare, he said. Besides Sandler, Drs. Joel E. Tepper, Marci K. Campbell, John T. Woosley, Morris Weinberger and others will participate in the project, called "Cancer...