New mechanisms to control dental procedure spray emissions

Alexandria, Va., USA — Since the onset of COVID-19 the potential risk of dental procedure spray emissions for SARS-CoV-2 transmission has challenged care providers and policy makers alike. The study, «Mechanisms of atomization from rotary dental instruments and its mitigation,» published in the Journal of Dental Research (JDR), found that there are multiple mechanisms for…

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Light smokers may not escape nicotine addiction, study reveals

HERSHEY, Pa. — Even people who consider themselves to be casual cigarette smokers may be addicted, according to current diagnostic criteria. Researchers at Penn State College of Medicine and Duke University found that many light smokers — those who smoke one to four cigarettes per day or fewer — meet the criteria for nicotine addiction…

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Changing the perspective on the ‘Cinderella of the cytoskeleton’

SETD2 is a protein well known as a chromatin remodeler, one that helps turn genes on or off by modifying histone proteins in the nucleus of the cell. When researchers discovered that SETD2 is mutated or lost in several cancer types, most commonly a type of kidney cancer called clear-cell renal cell carcinoma, all eyes…

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AI-designed serotonin sensor may help scientists study sleep and mental health

Serotonin is a neurochemical that plays a critical role in the way the brain controls our thoughts and feelings. For example, many antidepressants are designed to alter serotonin signals sent between neurons. In an article in Cell, National Institutes of Health-funded researchers described how they used advanced genetic engineering techniques to transform a bacterial protein…

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Linguists gather virtually to showcase cutting-edge research

(Washington, DC) — Research presentations on topics as diverse as the history and development of African American Language, the linguistic nature of keysmashes, and the «myth» of Standard German dominance are among the highlights of the upcoming Annual Meeting of the Linguistic Society of America (LSA), to be held virtually from January 7-10, 2021. The…

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Research reveals compromised transfer of SARS-CoV-2-specific antibodies through placenta

BOSTON — Recent analyses indicate that pregnant women and newborns may face elevated risks of developing more severe cases of COVID-19 following SARS-CoV-2 infection. New research led by investigators at Massachusetts General Hospital (MGH) and published in Cell reveals lower than expected transfer of protective SARS-CoV-2 antibodies via the placenta from mothers who are infected…

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