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Tag: "requirements" at biology news

Treating HIV in war zones -- Public health emergencies need rapid advice from WHO

...hroughout the treatment area, thus reducing travel requirements and making it easier and safer for staff and patients to access the clinics in times of insecurity Establishing links with HIV care programs in neighboring regions, allowing displaced patients to continue to receive care Educating patients on the...

Technique monitors thousands of molecules simultaneously

...motivated by a desire to map the three-dimensional requirements of biological receptors on cell surfaces. Typicall...lecules that serve as keys tells about the binding requirements of the receptor. Traditionally, probing a receptor this way has been done by making a library of mol...

Baumann Lab defines proteins that distinguish chromosome ends from DNA double-strand breaks

...r double-strand break repair to define the minimal requirements for the protection of telomeric DNA at the ends of...een lacking. "We set out to define the minimal requirements that would allow the DNA repair machinery to distinguish a chromosome end from a break," said Dr. Ba...

Large size crucial for Amazon forest reserves

...at the large scale actually may have very specific requirements at the fine scale. Large areas of forest encompass a wide enough variety of local conditions ?and species, to ensure the survival of the Amazon and its inhabitants. In December, 2006, the Brazilian government established the largest protected are...

Re-analysis of cigarettes confirms tobacco companies increased addictive nicotine 11 percent

... They suggest that MDPH amend its unique reporting requirements to include more information about cigarette and smokeless tobacco product design features that affect nicotine delivery - as well as testing of a sample of brands for the actual delivery of nicotine to the body. ...

Health Canada approves cold and flu medicine

...ulations are also similar to drug regulations with requirements for standardized labeling, good manufacturing practices, and specification requirements for finished products and post-market surveillance for potential adverse effects. ...

Reminding doctors which antibiotics to prescribe cuts C. difficile infection rates

...orting such studies. Guidelines laying out minimum requirements for data recording, statistical analysis, and reporting are contained in the consensus statement for infection control studies---labelled the ORION (Outbreak Reports and Intervention studies Of Nosocomial infection) statement---are being published si...

Engineering the heart piece by piece

...ngineering customized patches to meet the specific requirements of patients. All of these approaches are described in the recent review article. The new article, by Birla and lead author Louise Hecker, a graduate student in the U-M Department of Cell & Developmental Biology, describes the “bioreactor?tha...

New measure of sexual arousal found for both men and women

...rousal itself. Thermography does not have any such requirements and is very user-friendly. This may be the first test to diagnose blood vessel blockage as a cause of sexual dysfunction in women, and may help identify those patients who may be helped by vasoactive drugs similar to those prescribed for men with ere...

Researcher examines polymers created with poultry feathers

...esistance and longevity. Meeting these performance requirements is a challenge, Barone explains. Barone is taking his lead from nature to find potential solutions to these performance requirements. He is investigating the properties of polymers created from poultry feather keratin. The protein, keratin, is a m...

Huddling and a drop in metabolism allow penguins to survive the South Pole cold

...) temperature would be in direct conflict with the requirements for successful egg incubation. Therefore, energy savings accrued from huddling might rely on mechanisms other than a lower body temperature. To better understand this mechanism, the researchers conducted the first recordings of deep body tempera...

Tiny Tampa Bay fish key to evolution of immune system

...t of enhancing our understanding of the structural requirements for molecules used by the adaptive immune response to recognize and counter components of invading microbes. If so, it would provide an illustration of the potential for studies of diverse species, even those that at first glance may appear to be of ...

A silent pandemic: Industrial chemicals are impairing the brain development of children worldwide

...ire a high level of proof. At present in the U.S., requirements for toxicity testing of chemicals are minimal. "The human brain is a precious and vulnerable organ. And because optimal brain function depends on the integrity of the organ, even limited damage may have serious consequences," says Philippe Grandje...

Seals protect brain, conserve oxygen by turning off shivering response on icy dives

...ypothermia: a slower metabolism and lowered oxygen requirements which extends the dive time, Folkow said. Taking the plunge The seal experiment took place in a tank in which the seals took a series of experimental dives into cold water of 2-3° C. The researchers recorded shivering, heart rate, brain tempe...

Developing uses for sugar-cane bagasse: Biotechnology applied to the paper industry

...d cultivation, lower energy and bleaching chemical requirements for bagasse refining. Such a process is also a convenient means of usefully clearing this voluminous sugar refinery waste product: indeed, one tonne of refined sugar results in two tonnes of bagasse. However, whatever the raw material used, paper pul...

New tool helps blood specialists improve patient care

...r blood specialists. In response to a change in requirements to maintain ABIM certification, ASH and ABIM have co-developed the Hematology Practice Improvement Module (PIM), a web-based tool physicians use to complete their practice performance assessment requirement for recertification. Participants in ABIM's...

Innovative movies show real-time immune-cell activity within tumors

...riments set the basis for unraveling the molecular requirements for T cell migration and T cell-tumor cell interactions. We should then be able to use results from this research to further improve immunotherapeutic strategies against cancer in patients." ...

Three-dimensional, miniature endoscope opens new diagnostic possibilities

...edures into outpatient settings, reduce anesthesia requirements and minimize tissue damage," Tearney adds. "The device's size and flexibility should allow safer navigation through such delicate structures as the salivary ducts, the fallopian tubes and the pancreatic duct. Fetal and pediatric procedures may also b...

Age-related changes in DNA repair illuminate the connection between age and genetic damage

...the more accurate methods have elaborate molecular requirements and are probably much slower. The new results show that the reproductive cells of young flies tend to use the rough-and-ready repair processes that do not involve extensive DNA synthesis and do not require a matching DNA template for the repair. ...

Microcapsules like it hot and salty

...rking on a microtransport system which meets these requirements exactly. Polymer capsules of just a few micrometres, i.e. thousandths of a millimetre, transport drugs through the organism. The walls of the microcapsules are constructed from alternate layers of positively and negatively charged polymer molecules s...

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