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Tag: "hard" at biology news

Yellowstone microbes fueled by hydrogen, according to U. of Colorado study

...ficult to explore a microbial ecosystem. "We havea hard enough time explaining what's going on in a forest, for example,with all the interlacing systems. We can't even see a microbialsystem."Sample extraction was a dangerous and delicate operation. In order toaccurately analyze a hot spring's entire micro...

Elusive HIV shape change revealed; Key clue to how virus infects cells

... findings also will help us understand why it's so hard to make an HIV vaccine, and will help us start strategizing about new approaches to vaccine development." The studies, performed in the Children's Hospital Boston Laboratory of Molecular Medicine, used the closely related simian immunodeficiency vir...

Molecular machine may lead to new drugs to combat human diseases

...lecules to behave better," Golden said. "It's very hard to find targets in cells because cells are organized in ways we still don't fully understand. This crystal structure shows us where the best targets are for modifying genetic defects." The crystal structure of this Group I intron also will allow sci...

An HIV Protein Plays a Surprising Role in Gene Activation

... that makes Tat such a potent activator—and HIV so hard to control. (For more on Tat's role in HIV transcription, see “Novel Enzyme Shows Potential as an Anti-HIV Target?[DOI: 10.1371/journal.pbio.0030074] and “A New Paradigm in Eukaryotic Biology: HIV Tat and the Control of Transcriptional Elongation?[DO...

Purdue proves concept of using nano-materials for drug discovery

...e with a small amount of protein. "It's been very hard to study these proteins because they are difficult to produce in large quantities," Lee said. "The devices we have created offer the promise of making chips capable of running thousands of reactions with the same amount of protein now needed to run o...

Weill Cornell Research Reveals Secrets Of Trafficking Within Cells

...hile cells in your heart and arteries work just as hard to keep that brain alive. Every one of these cells -- and others throughout the body -- depends on an internal process called endocytosis to keep the flow of cellular nutrients and information healthy and strong. It's an incredibly important life pr...

ASU researchers finds novel chemistry at work to provide parrot's vibrant red colors

... "Evolutionary biologists have not really thought hard about parrot coloration," said McGraw. "This research is exposing a whole new world of color communication in parrots and the potential physiological and biochemical roles of the new molecules we found in our work." Details of the work are in a pape...

Transport System Smuggles Medicines Into Brain

... "Evolutionary biologists have not really thought hard about parrot coloration," said McGraw. "This research is exposing a whole new world of color communication in parrots and the potential physiological and biochemical roles of the new molecules we found in our work." Details of the work are in a pape...

Introduced foxes transformed vegetation on Aleutian Islands from lush grasslands to tundra

...r than your ankles. But on the other islands, it's hard work just to get through the vegetation. It was exhausting just trying to get around on those islands," he said. The researchers found that the density of breeding seabirds on fox-free islands was two orders of magnitude higher than on fox-infested ...

New SARS Protein Linked To Important Cell Doorway

...rt to the cell surface. Researchers don't have any hard evidence of orf7a's function, but they speculate that the protein's positioning could enable it to block proteins that help alert the immune system or to assist reproduced viral proteins as they make their way out of the cell. The finding exemplifie...

New RNA polymerase discovered in plants

... something equivalent, and maybe we haven't looked hard enough. " ...

X-Ray Beams And Fruit Fly 'Flight Simulator' Aid Scientists' View Of Muscle Power

...aid. “We biologists have always been amazed by how hard these muscles work. Now we have taken advantage of the fruit fly’s small size and shone light right through the whole animal, illuminating the working muscles during flight and probing the molecular motions deep within the muscle cells.?/p> These...

Self-assembled nano-sized probes allow Penn researchers to see tumors through flesh and skin

...d "quantum dots." These quantum dots, however, are hard matter, which could collect within the circulatory system, potentially causing a stroke. According to the Penn researchers, brightly emissive polymersomes define the first nanotech optical imaging platform based on non-aggregating "soft matter" (poly...

Use of Insecticides Linked to Lasting Neurological Problems for Farmers

...zes ranging from 50 to 100 participants, making it hard to understand the detailed relationship between exposure and health effects. The large size of this study gives it great statistical power," said Dr. Kamel. The AHS (http://www.aghealth.org/) is designed to investigate the effects of environmental, ...

Programmable cells: Engineer turns bacteria into living computers

...uch as antennas or transmitters in places that are hard for humans to reach. Programmed cells also could be used to control the repair or construction of tissues within the body, possibly guiding stem cells to the locations where they are needed for the growth of new nerve or bone cells in a process Weiss...

Wisconsin researchers identify sleep gene

...ir genome. "This told us that genetic forces push hard against this phenotype to make it ineffective," Cirelli says. "Being a short sleeper is probably not a good thing. We know that the mns mutation affects mortality, but we're not sure how." In earlier studies, Tononi's team discovered that fruit flie...

Anti cancer virotherapy well tolerated in first human administration, research finds

...investigating as potential therapies for different hard to treat malignancies including melanoma and ovarian cancer. These viruses occur naturally and routinely in the community causing mild infections in adult humans. Previously the Shafren group has published research on CVA21 that showed success in s...

Navigating an integrated yeast network

... they can be used to predict interactions that are hard to identify experimentally, or to predict the function of genes involved in specific themes. According to Markus Herrgard and Bernhard Palsson of University of California, San Diego, the authors' approach can be readily extended to different types o...

Canada approves marijuana-based pain spray

...adequately to current treatment options.6,7 “It’s hard to explain to someone who has never felt this type of pain. It’s like being plugged into an electric socket all the time,?said Steve Walsh, who suffers from MS and has lived with neuropathic pain for five years. “At times, putting on clothes or anyth...

Aggressive aquatic species invading Great Lakes

...ry owner, such as the logperch, is likely to fight hard to make sure it keeps its turf, but round gobies are extremely aggressive compared to the naturally occurring relatively peaceful logperch and easily take over contested shelters," explains Balshine. The researchers found that round goby abundance h...

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Breaking Medicine News(10 mins):Health News:Critical Care Therapeutics in Major Developed Market is Expected to Grow at a CAGR of 4.7% to $2.5 Billion in 2019 2Health News:Critical Care Therapeutics in Major Developed Market is Expected to Grow at a CAGR of 4.7% to $2.5 Billion in 2019 3Health News:Critical Care Therapeutics in Major Developed Market is Expected to Grow at a CAGR of 4.7% to $2.5 Billion in 2019 4Health News:Critical Care Therapeutics in Major Developed Market is Expected to Grow at a CAGR of 4.7% to $2.5 Billion in 2019 5Health News:Critical Care Therapeutics in Major Developed Market is Expected to Grow at a CAGR of 4.7% to $2.5 Billion in 2019 6Health News:Best Summer Cosmetic Surgeries Revealed in Article By Seattle Plastic Surgeon 2Health News:Maxim Peptide Celebrates Second Anniversary Online with an Updated Website and Special Deals Section 2Health News:AAPCC Issues Statement on the Introduction of the Child Nicotine Poison Prevention Act of 2014 2Health News:AAPCC Issues Statement on the Introduction of the Child Nicotine Poison Prevention Act of 2014 3
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