Bioluminescence sensors make new approaches to drug discovery possible

Canadian researchers, working in partnership with Brazilian colleagues, have developed 13 bioluminescence sensors for use in testing the effectiveness of new medical drugs in the laboratory. The study, published in the journal Science Signaling, paves the way for new drugs to be tested and characterized. The biosensors are based on the action of G protein-coupled…

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How hair dye works (video)

IMAGE: Whether you need a disguise to run from the law or are just trying to emulate *NSYNC-era frosted tips, you may need some chemical assistance to put the hue in… view more  Credit: The American Chemical Society WASHINGTON, March 1, 2019 — Whether you need a disguise to run from the law or are just…

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Tracking firefighters in burning buildings

IMAGE: McMaster University researchers, working with colleagues from other institutions led the development of a self-powered, fireproof sensor to track the movements of firefighters and others who work beyond the line… view more  Credit: McMaster University HAMILTON, March 1, 2019 — McMaster researchers, working with partners at other universities, have created a motion-powered, fireproof sensor that…

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High-fat diet and age alter microflora and cause inflammation in heart failure

IMAGE: This is Ganesh Halade. view more  Credit: UAB BIRMINGHAM, Ala. — Growing older and a high-fat diet enriched with omega 6 fatty acids are major contributors to health risks ranging from diabetes to heart failure. How these two factors regulate the immune response is not well-understood. Ganesh Halade, Ph.D., and colleagues at the University of…

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The Mental Trick to Practice When Shopping

Whether the concept of «fashion math» is new to you or a simple refresher is in order, we’re ready to step up to the chalkboard. Both a way to get comfortable with higher price tags and a savvy way to look at out-of-the-box styling, it’s the idea of taking how much something costs and dividing…

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Frailty may be a new screening criterion for fitness for an operation

CHICAGO (March 1, 2019): Frailty, a decline in function and resistance to short-term stress that typically occurs in old age, is linked to more complications after an operation among adults of all ages, according to researchers of a large new study published as an «article in press» on the Journal of the American College of…

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The sneaky way estrogen drives brain metastasis in non-estrogen-dependent breast cancers

IMAGE: Diana Cittelly, PhD, and colleagues show that while estrogen does not directly influence triple-negative breast cancer cells, estrogen can ‘fertilize’ brain tissue in a way that supports cancer metastasis view more  Credit: University of Colorado Cancer Center Triple-negative breast cancers are more likely than other breast cancer types to metastasize and are especially likely to…

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New X-ray measurement approach could improve CT scanners

A new measurement approach proposed by scientists at the National Institute of Standards and Technology (NIST) could lead to a better way to calibrate computed tomography (CT) scanners, potentially streamlining patient treatment by improving communication among doctors. The approach, detailed in a research paper in the journal PLOS ONE, suggests how the X-ray beams generated…

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NIH funds UT research on quality of life of LGBT caregivers

A new study by the University of Tennessee, Knoxville will examine how the intersection of being both LGBT and a caregiver may elevate a person’s risk of having overall poor health. As many as 45 percent of lesbian, gay, bisexual, and transgender adults ages 50 and older are caregivers of a loved one with a…

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