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Pediatric heart transplant method developed by U of A doctors allows for more surgeries, better outcomes: Study

Blood type-incompatible heart transplant surgery for infants under the age of two pioneered in Canada, now used worldwide

Pediatric heart transplant method developed by U of A doctors allows for more surgeries, better outcomes: Study
2021-03-26
(Press-News.org) A pediatric heart transplant procedure pioneered by Canadian doctors--once deemed impossible--has been shown to be at least as effective as the traditional approach, according to END

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Pediatric heart transplant method developed by U of A doctors allows for more surgeries, better outcomes: Study

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No evidence that people alter daily travel after having symptoms that could be COVID-19

No evidence that people alter daily travel after having symptoms that could be COVID-19
2021-03-26
How can we better understand how people move during the pandemic and how they spread COVID-19? New END ...

Researchers harvest energy from radio waves to power wearable devices

Researchers harvest energy from radio waves to power wearable devices
2021-03-25
From microwave ovens to Wi-Fi connections, the radio waves that permeate the environment are not just signals of energy consumed but are also sources of energy themselves. An international team of researchers, led by Huanyu "Larry" Cheng, Dorothy Quiggle Career Development Professor in the Penn State Department of Engineering Science and Mechanics, has developed a way to harvest energy from radio waves to power wearable devices. The researchers recently published their method inMaterials Today Physics. According to Cheng, current energy sources for wearable health-monitoring devices have their place in powering sensor devices, but each has its setbacks. Solar power, for example, can only harvest energy when exposed to the sun. A self-powered triboelectric device can only ...

A T-cell stimulatory protein and interleukin-10 synergize to prevent gut inflammation

A T-cell stimulatory protein and interleukin-10 synergize to prevent gut inflammation
2021-03-25
BIRMINGHAM, Ala. - Researchers have found an unexpected synergy between a T-cell stimulatory protein -- the ICOS ligand -- and interleukin-10, an immunoregulatory cytokine, to prevent inflammatory bowel disease in mice. The study will aid the understanding of, and future research into, this immune disorder, which includes Crohn's disease and ulcerative colitis. About 1.6 million Americans have inflammatory bowel disease. Interleukin-10, or IL-10, was already known as a major player to prevent gut inflammation by establishing and maintaining immune homeostasis in the gut, where it is vital for the host to have a peaceful coexistence with normal intestinal microbes, while the immune system still stands ...

Turning wood into plastic

2021-03-25
Efforts to shift from petrochemical plastics to renewable and biodegradable plastics have proven tricky -- the production process can require toxic chemicals and is expensive, and the mechanical strength and water stability is often insufficient. But researchers have made a breakthrough, using wood byproducts, that shows promise for producing more durable and sustainable bioplastics. A study published in Nature Sustainability, co-authored by Yuan Yao, assistant professor of industrial ecology and sustainable systems at Yale School of the Environment (YSE), outlines the process of deconstructing the porous matrix of natural wood into a slurry. The researchers say the resulting material shows ...

Bringing Total Worker Health® to a multinational agribusiness in Latin America

2021-03-25
Researchers from the Center for Health, Work & Environment (CHWE) at the Colorado School of Public Health have published a paper in the International Journal of Environmental Research and Public Health studying the effectiveness of applying Total Worker Health (TWH) in an international context. The study, led by a team at CHWE, is the first to examine how a TWH framework operates outside of a western context in Latin America workforces. "Although recent reviews show that TWH intervention studies have had some global reach, the vast majority have been conducted in Western countries," says lead researcher Diana Jaramillo. "While global organizations, as well as governmental entities in Latin America, acknowledge the importance ...

When synthetic evolution rhymes with natural diversity

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2021-03-25
Researchers at GMI - Gregor Mendel Institute of Molecular Plant Biology of the Austrian Academy of Sciences, the University of North Carolina at Chapel Hill and The Howard Hughes Medical Institute (HHMI) use two complementary approaches to unveil a co-evolutionary mechanism between bacteria and plants and also explain complex immune response patterns observed in the wild. Together the papers change the way scientists have been thinking about the relationship of a bacterial antigenic component with its plant immune receptor. The two papers are published back to back in the journal Cell Host & Microbe. Immune responses have developed in virtually all organisms over evolutionary time scales to protect them from foreign ...

New class of versatile, high-performance quantum dots primed for medical imaging, quantum computing

New class of versatile, high-performance quantum dots primed for medical imaging, quantum computing
2021-03-25
LOS ALAMOS, N.M., March 25, 2021--A new class of quantum dots deliver a stable stream of single, spectrally tunable infrared photons under ambient conditions and at room temperature, unlike other single photon emitters. This breakthrough opens a range of practical applications, including quantum communication, quantum metrology, medical imaging and diagnostics, and clandestine labeling. "The demonstration of high single-photon purity in the infrared has immediate utility in areas such as quantum key distribution for secure communication," said Victor Klimov, lead author of a paper published ...

Carrying naloxone can save lives but newly abstinent opioid users resist

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Opioids are the main driver of fatal drug overdoses in the United States, according to the Centers for Disease Control and Prevention, resulting in 46,802 deaths in 2018, usually because the person stops breathing. Naloxone -- a Food and Drug Administration-approved medication used to reverse overdoses from opioids, such as heroin, morphine and oxycodone -- works by restoring normal respiration to a person whose breathing has slowed or stopped. "Opioid overdoses cause the largest number of accidental and avoidable deaths," said Peter Davidson, PhD, associate professor in the Department of Medicine at University of California San Diego School of Medicine. "The human toll of drug addiction is devastating. Using naloxone to prevent opiate overdoses can and has saved many lives." In ...

Chemists achieve breakthrough in the production of three-dimensional molecular structures

Chemists achieve breakthrough in the production of three-dimensional molecular structures
2021-03-25
A major goal of organic and medicinal chemistry in recent decades has been the rapid synthesis of three-dimensional molecules for the development of new drugs. These drug candidates exhibit a variety of improved properties compared to predominantly flat molecular structures, which are reflected in clinical trials by higher efficacy and success rates. However, they could only be produced at great expense or not at all using previous methods. Chemists led by Prof. Frank Glorius (University of Münster, Germany) and his colleagues Prof. M. Kevin Brown (Indiana University Bloomington) and Prof. Kendall N. Houk (University of California, Los Angeles) have now succeeded in converting several classes of flat ...

Skoltech researchers create a new human height inheritance model

2021-03-25
Skoltech scientists and their colleagues have proposed a new human height inheritance model that accounts for the interaction between various factors that influence adult human height. The research was published in the European Journal of Human Genetics. Human height is a classical quantitative trait that depends on sex, genetics, and the environment. Scientists from Skoltech, Novosibirsk State University, the Institute of Cytology and Genetics of the Siberian Branch of RAS, and the Institute of Science and Technology in Vienna analyzed the human height distribution ...

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[Press-News.org] Pediatric heart transplant method developed by U of A doctors allows for more surgeries, better outcomes: Study
Blood type-incompatible heart transplant surgery for infants under the age of two pioneered in Canada, now used worldwide