Texas A&M-UTMB team identifies potential drug to treat SARS-CoV-2
2021-02-22
A federally approved heart medication shows significant effectiveness in interfering with SARS-CoV-2 entry into the human cell host, according to a new study by a research team from Texas A&M University and The University of Texas Medical Branch (UTMB).
The medication bepridil, which goes by the trade name Vascor, is currently approved by the U.S. Food and Drug Administration (FDA) to treat angina, a heart condition.
The team's leaders are College of Science professor Wenshe Ray Liu, professor and holder of the Gradipore Chair in the Department of Chemistry at Texas A&M, and Chien-Te Kent Tseng, professor ...
OU research delineates the impacts of climate warming on microbial network interactions
2021-02-22
Climate change impacts are broad and far reaching. A new study by University of Oklahoma researchers from the Institute for Environmental Genomics explores the impacts of climate warming on microbial network complexity and stability, providing critical insights to ecosystem management and for projecting ecological consequences of future climate warming.
"Global climate change is one of the most profound anthropogenic disturbances to our planet," said Jizhong Zhou, IEG's director, a George Lynn Cross Research Professor in the College of Arts and Sciences and an adjunct professor in the Gallogly College of Engineering. "Climate warming can alter soil microbial community diversity, structure and activities, but it remains uncertain whether and how it impacts network complexity and its relationships ...
Depressed and out of work? Therapy may help you find a job
2021-02-22
COLUMBUS, Ohio - If depression is making it more difficult for some unemployed people to land a job, one type of therapy may help, research suggests.
In a new study, 41% of unemployed or underemployed people undergoing cognitive behavioral therapy (CBT) found a new job or went from part- to full-time work by the end of the 16-week treatment for depression.
Those who had a job but found it difficult to focus on and accomplish work tasks because of depression said the treatment helped to significantly reduce these problems.
"For the most part, researchers have focused on showing ...
How outdoor pollution affects indoor air quality
2021-02-22
Just when you thought you could head indoors to be safe from the air pollution that plagues the Salt Lake Valley, new research shows that elevated air pollution events, like horror movie villains, claw their way into indoor spaces. The research, conducted in conjunction with the Utah Division of Facilities Construction and Management, is published in Science of the Total Environment.
In a long-term study in a Salt Lake-area building, researchers found that the amount of air pollution that comes indoors depends on the type of outdoor pollution. Wildfires, fireworks and wintertime inversions all affect indoor air to different degrees, ...
Researchers learn that pregnant women pass along protective COVID antibodies to their babies
2021-02-22
Researchers Learn that Pregnant Women Pass Along Protective COVID Antibodies to their Babies
Antibodies that guard against COVID-19 can transfer from mothers to babies while in the womb, according to a new study from Weill Cornell Medicine and NewYork-Presbyterian researchers published in the American Journal of Obstetrics and Gynecology.
This discovery, published Jan. 22, adds to growing evidence that suggests that pregnant women who generate protective antibodies after contracting the coronavirus often convey some of that natural immunity to their fetuses. The findings also lend support to the idea that vaccinating mothers-to-be may also have benefits for their newborns.
"Since we can now say that the antibodies pregnant women make against COVID-19 ...
Graphene Oxide membranes could reduce paper industry energy costs
2021-02-22
The U.S. pulp and paper industry uses large quantities of water to produce cellulose pulp from trees. The water leaving the pulping process contains a number of organic byproducts and inorganic chemicals. To reuse the water and the chemicals, paper mills rely on steam-fed evaporators that boil up the water and separate it from the chemicals.
Water separation by evaporators is effective but uses large amounts of energy. That's significant given that the United States currently is the world's second-largest producer of paper and paperboard. The country's approximately 100 paper mills are estimated to use about 0.2 quads (a quad is a quadrillion BTUs) of energy per year for water recycling, making it one of the most energy-intensive chemical processes. All industrial ...
Big galaxies steal star-forming gas from their smaller neighbours
2021-02-22
Large galaxies are known to strip the gas that occupies the space between the stars of smaller satellite galaxies.
In research published today, astronomers have discovered that these small satellite galaxies also contain less 'molecular' gas at their centres.
Molecular gas is found in giant clouds in the centres of galaxies and is the building material for new stars. Large galaxies are therefore stealing the material that their smaller counterparts need to form new stars.
Lead author Dr Adam Stevens is an astrophysicist based at UWA working for the International Centre for Radio Astronomy Research (ICRAR) and affiliated to the ARC Centre of Excellence in All Sky Astrophysics in 3 Dimensions (ASTRO 3D).
Dr Stevens ...
Study: Effects of past ice ages more widespread than previously thought
2021-02-22
FAYETTEVILLE, Ark. - Cold temperatures, prevalent during glacial periods, had a significant impact on past and modern unglaciated landscapes across much of North America, according to a recent study by University of Arkansas geologist Jill A. Marshall.
Marshall, assistant professor of geosciences, is the first author of the study, published in the journal Geophysical Research Letters.
The findings help shape understanding of the earth's "Critical Zone," the relatively thin layer of the planet that extends from where vegetation meets the atmosphere to the lowermost extent of weathered bedrock. "Climate and ecosystems determine how quickly bedrock ...
Three longtime antibiotics could offer alternative to addictive opioid pain relievers
2021-02-22
DALLAS - Feb. 22, 2021 - Three decades-old antibiotics administered together can block a type of pain triggered by nerve damage in an animal model, UT Southwestern researchers report. The finding, published online today in PNAS, could offer an alternative to opioid-based painkillers, addictive prescription medications that are responsible for an epidemic of abuse in the U.S.
Over 100 million Americans are affected by chronic pain, and a quarter of these experience pain on a daily basis, a burden that costs an estimated $600 billion in lost wages and medical expenses ...
New drug molecules hold promise for treating fatal child disease
2021-02-22
Scientists have identified a way to "rescue" muscle cells that have genetically mutated, paving the way to a possible new treatment for rare childhood illness such as Duchenne Muscular Dystrophy (DMD).
The study, led by the Universities of Exeter and Nottingham, is published in the Proceedings of the National Academies of Sciences, USA. The research used novel drugs being developed at the University of Exeter, which "metabolically reprogram" the cellular energy production centres in muscle cells, by providing them with a fuel source to generate metabolic energy.
DMD is a genetic condition caused by a mutation in a gene called dystrophin which results in progressive irreversible muscular degeneration and weakening. Its symptoms include muscle ...
Researchers grow artificial hairs with clever physics trick
2021-02-22
Things just got hairy at Princeton.
Researchers found they could coat a liquid elastic on the outside of a disc and spin it to form useful, complex patterns. When spun just right, tiny spindles rise from the material as it cures. The spindles grow as the disc accelerates, forming a soft solid that resembles hairs.
Inspired by biological designs and rationalized with mathematical precision, the new method could be used at an industrial scale for production with plastics, glasses, metals and smart materials.
The researchers published their findings ...
BU researchers identify biochemical process responsible for producing toxic tau
2021-02-22
(Boston)--Tau is a protein that helps stabilize the internal skeleton of nerve cells (neurons) in the brain. Groups of toxic tau protein, termed tau oligomers, drive disease progression and memory loss in Alzheimer's disease (AD). A new study from Boston University School of Medicine (BUSM) shows how these tau oligomers form, and, correspondingly, how they can be prevented.
AD is a major cause of disease in the elderly and places a huge financial cost on the health care system. Scientists have known for a long time that two proteins (?-amyloid and tau) clump and accumulate in the brains ...
Scientists use machine-learning approach to track disease-carrying mosquitoes
2021-02-22
LOGAN, UTAH, USA -- You might not like mosquitoes, but they like you, says Utah State University biologist Norah Saarman. And where you lead, they will follow.
In addition to annoying bites and buzzing, some mosquitoes carry harmful diseases. Aedes aegypti, the so-called Yellow Fever mosquito and the subject of a recent study by Saarman and colleagues, is the primary vector for transmission of viruses causing dengue fever, chikungunya and Zika, as well as yellow fever, in humans.
"Aedes aegypti is an invasive species to North America that's become widespread in the eastern United States," says Saarman, assistant professor in USU's Department of Biology and the USU Ecology Center, whose research focuses ...
Et tu, Brute? Teens may be more likely to be bullied by social-climbing friends
2021-02-22
Adolescents and teens may be more likely to be bullied by their friends -- and friends-of-friends -- than classmates they don't know as well, according to a new study.
Diane Felmlee, Distinguished Professor of Sociology and Demography at Penn State and researcher on the paper, said the findings give new insight into how and why bullying occurs -- important information for anti-bullying efforts.
"People often assume that bullying occurs between relative strangers, or that it targets those on the fringes of the social network," Felmlee said. "Those do occur, but in our study, we find that the rate of peer aggression is significantly higher between those students who are closely linked. Furthermore, our finding is not due to friends simply spending ...
Last-itch effort: Fighting the bacteria that exacerbate eczema with bacteria
2021-02-22
In a new study out of University of California San Diego School of Medicine, researchers have identified a universal strain of bacteria derived from healthy human skin that can treat the most common type of eczema, also known as atopic dermatitis.
In the paper published Feb. 22, 2021, in Nature Medicine, the research team investigated the safety and mechanisms of this certain bacteria in a first-in-human, Phase I, double-blinded clinical trial looking to treat people living with eczema. Of the 54 participants, two-thirds reported improvements in their ...
Salmon scales reveal substantial decline in wild salmon population & diversity
2021-02-22
The diversity and numbers of wild salmon in Northern B.C. have declined approximately 70 per cent over the past century, according to a new Simon Fraser University study.
Researchers drawing on 100-year-old salmon scales report that recent numbers of wild adult sockeye salmon returning to the Skeena River are 70 per cent lower than 100 years ago. Wild salmon diversity in the Skeena watershed has similarly declined by 70 per cent over the last century.
The research undertaken by Simon Fraser University (SFU) and Fisheries and Oceans Canada was published today in the Journal of Applied Ecology.
The research team applied modern genetic tools to salmon scales collected from commercial ...
BIDMC researchers develop model to estimate false-negative rate for COVID-19 tests
2021-02-22
Boston, Mass. - Even with more than 1.5 million Americans receiving a COVID vaccine each day, officials estimate it will take many more months before enough people are protected from the deadly virus. Until then, and potentially beyond, experts agree that opening up schools, restaurants and other public places as safely as possible will rely on widespread testing for SARS-CoV-2, the virus that causes COVID-19.
As of June 2020, the U.S. Food and Drug Administration (FDA) had granted emergency use authorization for more than 85 different viral DNA test kits -- or assays -- each with widely varying degrees of sensitivity and unknown rates of accuracy. However, with no existing gold standard test for the novel coronavirus, there's little data on which ...
Stem cells provide hope for dwindling wildlife populations
2021-02-22
A paper recently published in the scientific journal Stem Cells and Development shares an important advancement in conservation -- one that may make the difference between survival and extinction for wildlife species that have been reduced to very small population sizes. Using fibroblast cells that have been preserved in San Diego Zoo Global's Frozen Zoo®, scientists have been able to generate induced pluripotent stem cells of northern and southern white rhinoceroses. This important breakthrough is the first step in a complex process for generating gametes from deceased and non-reproductive individuals of these two subspecies.
"For the northern white rhino, which is functionally extinct, the only hope for survival may be in the ...
Researchers create 'beautiful marriage' of quantum enemies
2021-02-22
ITHACA, N.Y. - Cornell University scientists have identified a new contender when it comes to quantum materials for computing and low-temperature electronics.
Using nitride-based materials, the researchers created a material structure that simultaneously exhibits superconductivity - in which electrical resistance vanishes completely - and the quantum Hall effect, which produces resistance with extreme precision when a magnetic field is applied.
"This is a beautiful marriage of the two things we know, at the microscale, that give electrons the most startling ...
Lack of symmetry in qubits can't fix errors in quantum computing, might explain matter/antimatter
2021-02-22
LOS ALAMOS, N.M., Feb. 22, 2021--A team of quantum theorists seeking to cure a basic problem with quantum annealing computers--they have to run at a relatively slow pace to operate properly--found something intriguing instead. While probing how quantum annealers perform when operated faster than desired, the team unexpectedly discovered a new effect that may account for the imbalanced distribution of matter and antimatter in the universe and a novel approach to separating isotopes.
"Although our discovery did not the cure the annealing time restriction, it brought a class of new physics problems that can now be studied with quantum annealers without requiring they be too slow," said Nikolai Sinitsyn, a theoretical physicist at Los Alamos National ...
Campaign promises more likely to be kept by governments run by women, research shows
2021-02-22
HOUSTON - (Feb. 22, 2021) - Governments with strong female representation are more likely to deliver on campaign promises, according to new research from Rice University.
"The Effects of Women's Descriptive Representation on Government Behavior" by author Jonathan Homola, an assistant professor of political science at Rice, examines campaign promises and subsequent policymaking by parties in power in 10 European countries, the United States and Canada along with data on women in party leadership and elected offices.
The study also showed that promises are even more likely to be kept when women in government assume leadership roles.
Homola said the research demonstrates the importance of women playing part in the ...
CABBI researchers challenge the CRP status quo to mitigate fossil fuels
2021-02-22
Researchers at the Center for Advanced Bioenergy and Bioproducts Innovation (CABBI) found that transitioning land enrolled in the Conservation Reserve Program (CRP) to bioenergy agriculture can be advantageous for American landowners, the government, and the environment.
Land enrolled in the CRP cannot currently be used for bioenergy crop production, wherein high-yielding plants (like miscanthus and switchgrass) are harvested for conversion into marketable bioproducts that displace fossil fuel- and coal-based energy. Established by the U.S. Department of Agriculture in 1985, the CRP incentivizes landowners to retire environmentally ...
International study finds increased COVID-19 mortality among adults with Down syndrome
2021-02-22
A new study by an international team of researchers found that adults with Down syndrome are more likely to die from COVID-19 than the general population, supporting the need to prioritize vaccinating people with the genetic disorder.
Investigators found that adults with Down syndrome were roughly three times more likely to die from COVID-19 than the general population. This increased risk was especially apparent in from fifth decade of life: A 40-year-old with Down syndrome had a similar risk of dying from COVID-19 as someone 30 years older in the general population.
The study was published this week in The Lancet's ...
Stroke of luck: Scientists discover target for stroke therapy in blood-brain barrier
2021-02-22
Strokes are a leading cause of poor quality of life or even death in Japan and the world over. Since its characterization, several researchers have been working tooth and nail to identify drug-accessible and effective therapeutic targets for this debilitating condition. One such region of interest for drug targets is the blood-brain barrier (BBB).
The BBB is a structure located around the brain, which prevents the entry of unnecessary circulating cells and biomolecules into the brain. The blood vessels in the BBB are coated with a distinct and protective layer of sugar, called the endothelial glycocalyx, which prevents their entry. However, in the event of a stroke, which results in the blockage or severance of blood vessels in the brain, studies have shown that this ...
Twist-n-Sync: Skoltech scientists use smartphone gyroscopes to sync time across devices
2021-02-22
Skoltech researchers have designed a software-based algorithm for synchronizing time across smartphones that can be used in practical tasks requiring simultaneous measurements. This algorithm can essentially help turn several devices into a full-fledged network of sensors. The paper was published in the journal Sensors.
If you want a network of intelligent devices - say, an array of cameras capturing a dynamic scene or another kind of network of sensors - to work properly, one of the fundamental tasks you have to solve is clock synchronization: all devices should have the same timeline, often up to sub-millisecond for the more challenging tasks. Modern smartphones can easily be used as multipurpose ...
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