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A genetic variant inherited from Neanderthals reduces the risk of severe COVID-19


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IMAGE: New research has found that a group of genes that reduces the risk of developing severe COVID-19 by around 20% is inherited from Neanderthals
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Credit: Bjorn Oberg, Karolinska Institutet.
New research has found that a group of genes that reduces the risk of developing severe COVID-19 by around 20% is inherited from Neanderthals
These genes, located on chromosome 12, code for enzymes that play a vital role in helping cells destroy the genomes of invading viruses
The study suggests that enzymes produced by the Neanderthal variant of these genes are more efficient which helps protect against severe COVID-19
This genetic variant was passed to humans around 60,000 years ago via interbreeding between modern humans and Neanderthals ....

United Kingdom , Hugo Zeberg , Okinawa Institute Of Science , Max Planck Institute For Evolutionary Biology , Technology Graduate University , Okinawa Institute , Max Planck Institute , Evolutionary Biology , Human Evolutionary Genomics Unit , Professor Hugo Zeberg , Critical Care , Professor Zeberg , Ice Age , Infectious Emerging Diseases , Public Health , ஒன்றுபட்டது கிஂக்டம் , ஓகைநாவ நிறுவனம் ஆஃப் அறிவியல் , தொழில்நுட்பம் பட்டதாரி பல்கலைக்கழகம் , ஓகைநாவ நிறுவனம் , பரிணாம வளர்ச்சி உயிரியல் , மனிதன் பரிணாம வளர்ச்சி மரபியல் அலகு , முக்கியமான பராமரிப்பு , பனி வாழ்நாள் , தொற்று வளர்ந்து வருகிறது நோய்கள் , பொது ஆரோக்கியம் ,

Nano-vault architecture alleviates stress in Si-based anodes for Li-ion batteries


Nano-vault architecture alleviates stress in Si-based anodes for Li-ion batteries
New research conducted by the Okinawa Institute of Science and Technology Graduate University (OIST) has identified a specific building block that improves the anode in lithium-ion batteries. The unique properties of the structure, which was built using nanoparticle technology, are revealed and explained in an open-access paper in the Nature journal
Communications Materials.
Nanomaterials undergoing cyclic swelling-deswelling benefit from inner void spaces that help accommodate significant volumetric changes. Such flexibility, however, typically comes at a price of reduced mechanical stability, which leads to component deterioration and, eventually, failure. Here, we identify an optimised building block for silicon-based lithium-ion battery (LIB) anodes, fabricate it with a ligand- and effluent-free cluster beam deposition method, and investigate its robustness by atomistic computer simu ....

Panagiotis Grammatikopoulos , Marta Haro , Theo Bouloumis , Okinawa Institute Of Science , Communications Materials , Particle Technology Laboratory , Technology Graduate University , Okinawa Institute , Advanced Science , Design Unit , மார்த்தா ஹரோ , ஓகைநாவ நிறுவனம் ஆஃப் அறிவியல் , தகவல்தொடர்புகள் பொருட்கள் , துகள் தொழில்நுட்பம் ஆய்வகம் , தொழில்நுட்பம் பட்டதாரி பல்கலைக்கழகம் , ஓகைநாவ நிறுவனம் , வடிவமைப்பு அலகு ,

Silicon anode structure generates new potential for lithium-ion batteries

New research has identified a nanostructure that improves the anode in lithium-ion batteries. Instead of using graphite for the anode, the researchers turned to silicon: a material that stores more charge but is susceptible to fracturing. The team deposited silicon atoms on top of metallic nanoparticles to form an arched nanostructure, increasing the strength and structural integrity of the anode. Electrochemical tests showed the batteries had a higher charge capacity and longer lifespan. ....

Marta Haro , Akira Yoshino , Theo Bouloumis , Okinawa Institute Of Science , Communications Materials , Technology Graduate University , Okinawa Institute , Nobel Prize , Advanced Science , Design Unit , Chemistry Physics Materials Sciences , Energy Fuel Non Petroleum , Technology Engineering Computer Science , Nanotechnology Micromachines , மார்த்தா ஹரோ , ஓகைநாவ நிறுவனம் ஆஃப் அறிவியல் , தகவல்தொடர்புகள் பொருட்கள் , தொழில்நுட்பம் பட்டதாரி பல்கலைக்கழகம் , ஓகைநாவ நிறுவனம் , நோபல் ப்ரைஸ் , வடிவமைப்பு அலகு , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் , ஆற்றல் எரிபொருள் அல்லாத பெட்ரோலியம் , தொழில்நுட்பம் பொறியியல் கணினி அறிவியல் ,

Not too big, not too small: Goldilocks analogy found in maze navigation


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New research from the Okinawa Institute of Science and Technology Graduate University (OIST) has found a surprising randomness for how fluids choose their path around obstacles that depends on their spacing. This has important implications for a range of scenarios - from oil recovery and groundwater remediation, to understanding the movement of fluids through biological systems. The research was published in
Physical Review Letters.
Scientists from OIST s Micro/Bio/Nanofluidics Unit created a tiny set up comprised of two microscopic cylinders, each around the width of a human hair, placed side-by-side in a channel. This created a choice of three possible paths for a fluid to take past the pair of obstacles. A viscoelastic fluid, which is like that found in regular shampoo and conditioner, was run through the set-up at a constant rate and the path it chose around the cylinders was mapped. ....

Cameron Hopkins , Okinawa Institute Of Science , Technology Graduate University , Okinawa Institute , Physical Review , Nanofluidics Unit , கேமரூன் ஹாப்கின்ஸ் , ஓகைநாவ நிறுவனம் ஆஃப் அறிவியல் , தொழில்நுட்பம் பட்டதாரி பல்கலைக்கழகம் , ஓகைநாவ நிறுவனம் , உடல் விமர்சனம் ,