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Tag: "systematic" at biology news

Twenty of world's 162 grouper species threatened with extinction

...rsity of the University of Hong Kong was the first systematic assessment of the commercially important species, said Dr. Yvonne Sadovy, Chair of the IUCN Grouper and Wrasse Specialist Group and Associate Professor at HKU. “The results are worrying and highlight the urgent need for fishery management, more ef...

Long-term narcotics use for back pain may be ineffective and lead to abuse

...ernal Medicine, Martell and co-authors conducted a systematic literature review and meta-analysis that addressed the prevalence and effectiveness of opioid prescriptions for patients with chronic back pain, and the incidence of substance abuse disorders among patients receiving opioid medications for chronic ba...

Susceptibility to Crohn's disease -- an important new clue

...advances in SNP genotyping technology have allowed systematic association scanning of the entire genome for the detection of novel susceptibility loci ?fixed positions on a chromosome, such as the position of a gene. Libioulle and colleagues applied this approach to Crohn’s disease and identified the key locus ...

Mosquito repellents that emit high-pitched sounds don't prevent bites

... claims a team of Cochrane Researchers conducted a systematic review looking for trials conducted with EMRs. They located ten field trials that had been carried out in various parts of the world. None of these trials showed any evidence that EMRs work. "All ten studies found that there was no difference in t...

40,000-year-old skull shows both modern human and Neandertal traits

...mains of cave bears. They were recovered during a systematic excavation project directed by Professor Trinkaus and Professor Zilhao between 2003 and 2005. Radiocarbon dating of the specimen produced only a minimum age (more than 35,000 years), but similarity in morphological traits with the Oase 1 human mand...

Genes and biomarkers that allow doctors to choose the right therapy for the right patient

... one gene individually, across the genome. It is a systematic and highly efficient technique that uses high-speed mechanization to quickly evaluate how specific genes might affect the cell’s sensitivity to an agent, Tykerb in this case. The TGen researchers are currently in the process of refining their gen...

New recommendations against a major opportunistic infection -- cryptococcosis

...the disease. According to the researchers, this systematic assessment should include a cerebrospinal fluid culture, a blood culture, a urine culture, and a determination of the quantity (titration) of the circulating antigen of Cryptococcus. "For patients who have a very high fungal load, we recommend sta...

Rapid response was crucial to containing the 1918 flu pandemic

...ect was smaller. These conclusions--the results of systematic analyses of historical data to determine the effectiveness of public health measures in 1918--are described in two articles published online this week in the journal Proceedings of the National Academy of Sciences. “These important papers suggest ...

New designer lipid-like peptide with lipid nanostructures for drug delivery systems

...eir difficulty to be soluble in water. “This is a systematic study to combine with lipid molecules,” Shuguang Zhang of MIT, a co-author said, “people have been curious about if these similar molecules can interact. This study provided the first answer”. “Since these lipid-like peptides can be designed, just ...

New findings challenge established views on human genome

...he genome. The ENCODE project represents the first systematic effort to determine where all types of functional elements are located and how they are organized. In the pilot phase, ENCODE researchers devised and tested high-throughput approaches for identifying functional elements in the genome. Those eleme...

Massive herds of animals found to still exist in Southern Sudan

...ced. “We did not observe a single zebra during the systematic survey in Boma, where 29,000 were seen in the early ’80s,” said Elkan. During complementary reconnaissance surveys in late May, Elkan, WCS pilot Falk Grossman and Jamus Joseph, assistant director of the WCS Southern Sudan Country Program, did finally...

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