Hospital and Medical News

August 18, 2015

Mosquito-repelling chemicals identified in traditional sweetgrass
Boston MA (SPX) Aug 18, 2015
Native North Americans have long adorned themselves and their homes with fragrant sweetgrass (Hierochloe odorata), a native plant used in traditional medicine, to repel biting insects, and mosquitoes in particular. Now, researchers report that they have identified the compounds in sweetgrass that keep these bugs at bay. The team will describe their approach in one of more than 9,000 presentations at the 250th National Meeting and Exposition of the American Chemical Society (ACS), the world's large ... read more

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Squirrels in Yosemite campground test positive for plague A popular campground at Yosemite National Park in California will be temporarily closed after several dead squirrels were found to be carrying the plague, officials said Friday. ... more		New bio-containment system unveiled in Georgia A containerized bio-containment system has been unveiled in Georgia by the U.S. State Department and the U.S. Air Force Reserve. ... more		International team discovers the ancient origins of deadly Lassa virus Working as part of an international team in the United States and West Africa, a researcher at The Scripps Research Institute (TSRI) has published new findings showing the ancient roots of the deadl ... more
				NSBRI seeks proposals to support space exploration mission crews The National Space Biomedical Research Institute (NSBRI) is soliciting for ground-based and analog definition research proposals to develop safe and effective countermeasures and technologies that w ... more		Heating and cooling with light leads to ultrafast DNA diagnostics New technology developed by bioengineers at the University of California, Berkeley, promises to make a workhorse lab tool cheaper, more portable and many times faster by accelerating the heating and ... more

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Transporting remote blood samples with small drones In a proof-of-concept study at Johns Hopkins, researchers have shown that results of common and routine blood tests are not affected by up to 40 minutes of travel via hobby-sized drones. The i ... more		Researchers design first artificial ribosome Researchers at the University of Illinois at Chicago and Northwestern University have engineered a tethered ribosome that works nearly as well as the authentic cellular component, or organelle, that ... more		Greenland is helpful, but not vital, for US missile defense European military mission in Greenland as US aim 'remains intact' Amazon expands 'sovereign cloud' in Europe		Ebola: The epidemic's timeline Key dates in the latest Ebola epidemic, the worst ever outbreak of the haemorrhagic fever which first surfaced in 1976 in what is now the Democratic Republic of Congo. ... more
				Intracellular microlasers could label a trillion individual cells Massachusetts General Hospital (MGH) investigators have induced structures incorporated within individual cells to produce laser light. The wavelengths of light emitted by these intracellular microl ... more		It takes a village to ward off dangerous infections Like a collection of ragtag villagers fighting off an invading army, the mix of bacteria that live in our guts may band together to keep dangerous infections from taking hold, new research suggests. ... more

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Fighting mosquito resistance to insecticides Controlling mosquitoes that carry human diseases is a global health challenge as their ability to resist insecticides now threatens efforts to prevent epidemics. Scientists from the CNRS, IRD, Unive ... more		First realization of invisible absorbers and sensors The manipulation of light has led to many applications that have revolutionized society through communications, medicine and entertainment. Devices consuming the energy of electromagnetic radiation, ... more		As world burns, India's Amitav Ghosh writes for the future Fire on Ice: The Arctic's Changing Fire Regime Cosmic krypton timestamps reveal Australia landscape evolution and resources		Mowing dry detention basins makes mosquito problems worse, team finds A study of the West Nile virus risk associated with "dry" water-detention basins in Central Illinois took an unexpected turn when land managers started mowing the basins. The mowing of wetland plant ... more
The light of fireflies for medical diagnostics In biology and medicine, we often need to detect biological molecules. For example, in cancer diagnostics, doctors need quick and reliable ways of knowing if tumor cells are present in the patient's ... more		New material forges the way for 'stem cell factories' If you experience a major heart attack the damage could cost you around five billion heart cells. Future stem cell treatments will require this number and more to ensure those cells are replaced and ... more		NASA assists in pharmaceutical drone delivery An outdoor free clinic in Virginia was the first to receive an unmanned aerial delivery of pharmaceuticals Friday. ... more		Lack of knowledge on animal disease leaves humans at risk Researchers from the University of Sydney have painted the most detailed picture to date of major infectious diseases shared between wildlife and livestock, and found a huge gap in knowledge about d ... more

	UN needs $20 million to battle bird flu in West Africa The UN appealed on Monday for $20 million to stem outbreaks of bird flu in West Africa, a region still weakened by the Ebola crisis. ... more		Futuristic brain probe allows for wireless control of neurons A study showed that scientists can wirelessly determine the path a mouse walks with a press of a button. Researchers at the Washington University School of Medicine, St. Louis, and University of Ill ... more

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