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Existing drugs can prevent SARS-CoV-2 from hijacking cells | Scienmag: Latest Science and Health News

Existing drugs can prevent SARS-CoV-2 from hijacking cells | Scienmag: Latest Science and Health News

Researchers evaluate how the new coronavirus rewires human proteins for its own replication, and identify several antiviral drugs ready for clinical trialsCredit: Elizabeth Fischer, Miscroscopy Unit NIH/NIAIDAn international team of researchers has analysed how SARS-CoV-2, the virus that causes COVID-19, hijacks the proteins in its target cells. The research, published in the journal Cell, shows how the virus shifts the cell’s activity to promote its own replication and to infect nearby cells. The scientists also identified seven clinically approved drugs that could disrupt these...

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June 29, 2020
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Seeing is believing: Effectiveness of facemasks

Seeing is believing: Effectiveness of facemasks

No Result View All ResultNo Result View All ResultNo Result View All Result40403FAU College of Engineering and Computer Science researchers use flow visualization to qualitatively test facemasks and social distancingCredit: Florida Atlantic University, College of Engineering and Computer ScienceCurrently, there are no specific guidelines on the most effective materials and designs for facemasks to minimize the spread of droplets from coughs or sneezes to mitigate the transmission of COVID-19. While there have been prior studies on how medical-grade masks perform, data on cloth-based...

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June 30, 2020
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One-time treatment generates new neurons, eliminates Parkinson's disease in mice | Scienmag: Latest Science and Health News

One-time treatment generates new neurons, eliminates Parkinson's disease in mice | Scienmag: Latest Science and Health News

Inhibiting a single gene converts many cell types directly into dopamine-producing neuronsCredit: UC San Diego Health SciencesXiang-Dong Fu, PhD, has never been more excited about something in his entire career. He has long studied the basic biology of RNA, a genetic cousin of DNA, and the proteins that bind it. But a single discovery has launched Fu into a completely new field: neuroscience. For decades, Fu and his team at University of California San Diego School of Medicine studied a protein called PTB, which is well known for binding RNA and influencing which genes are turned “on” or...

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June 24, 2020
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Atomic physics: Radiation pressure with recoil | Scienmag: Latest Science and Health News

Atomic physics: Radiation pressure with recoil | Scienmag: Latest Science and Health News

Frankfurt researchers deliver experimental proof for a 90 year-old theoryLight exerts a certain amount of pressure onto a body: sun sails could thus power space probes in the future. However, when light particles (photons) hit an individual molecule and knock out an electron, the molecule flies toward the light source. Atomic physicists at Goethe University have now observed this for the first time, confirming a 90 year-old theory.As early as the 16th century, the great scholar Johannes Kepler postulated that sunlight exerted a certain pressure, as the tail of the comets he observed...

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June 15, 2020
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Physicists obtain molecular 'fingerprints' using plasmons | Scienmag: Latest Science and Health News

Physicists obtain molecular 'fingerprints' using plasmons | Scienmag: Latest Science and Health News

Credit: Daria Sokol/MIPT Press OfficeScientists from the Center for Photonics and 2D Materials of the Moscow Institute of Physics and Technology (MIPT), the University of Oviedo, Donostia International Physics Center, and CIC nanoGUNE have proposed a new way to study the properties of individual organic molecules and nanolayers of molecules. The approach, described in Nanophotonics, relies on V-shaped graphene-metal film structures. Nondestructive analysis of molecules via infrared spectroscopy is vital in many situations in organic and inorganic chemistry: for controlling gas...

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June 25, 2020
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Receptor makes mice strong and slim | Scienmag: Latest Science and Health News

Receptor makes mice strong and slim | Scienmag: Latest Science and Health News

Study by the University of Bonn identifies molecule that regulates two side effects of agingCredit: (c) Katharina Wislsperger/UKBonnIncreasing abdominal girth and shrinking muscles are two common side effects of aging. Researchers at the University of Bonn have discovered a receptor in mice that regulates both effects. Experiments with human cell cultures suggest that the corresponding signaling pathways might also exist in humans. The study, which also involved researchers from Spain, Finland, Belgium, Denmark and the USA, has now been published in the renowned journal Cell Metabolism.On...

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June 25, 2020
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Bats offer clues to treating COVID-19 | Scienmag: Latest Science and Health News

Bats offer clues to treating COVID-19 | Scienmag: Latest Science and Health News

To combat COVID-19, we need to regulate our immune systems to resemble those of batsCredit: Getty Images photoBats are often considered patient zero for many deadly viruses affecting humans, including Ebola, rabies, and, most recently, the SARS-CoV-2 strain of virus that causes coronavirus.Although humans experience adverse symptoms when afflicted with these pathogens, bats are remarkably able to tolerate viruses, and, additionally, live much longer than similar-sized land mammals.What are the secrets to their longevity and virus resistance?According to researchers at the University of...

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Scienmag
July 9, 2020
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Mutant zebrafish reveals a turning point in spine's evolution | Scienmag: Latest Science and Health News

Mutant zebrafish reveals a turning point in spine's evolution | Scienmag: Latest Science and Health News

Single-letter change in DNA also makes the fish a useful model for human spinal defectsCredit: Michel Bagnat Lab, Duke UniversityDURHAM, N.C. — A chance mutation that led to spinal defects in a zebrafish has opened a little window into our own fishy past.Rising fifth-year Duke graduate student Brianna Peskin, who started the project during her first-year rotation in Michel Bagnat’s cell biology lab and “kinda kept coming back to it,” was merely trying to figure out why this one mutation led to developmental issues in a zebrafish’s spine.What she found is that embryos of the mutant fish have...

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Scienmag
July 20, 2020
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