麻豆传媒

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Researchers have introduced specialised dementia tests tailored for older African adults, improving on standard cognitive assessments. These tools, part of HAALSI-HCAP, aim to address data gaps in Africa's ageing studies. The initiative aligns with global efforts and may inform national dementia surveys in South Africa.

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Popular prescription weight-loss drugs called GLP-1 receptor agonists are now frequently used by type 1 diabetes patients, despite limited data on the drugs鈥� safety and effectiveness in this patient population, according to a study led by researchers at the Johns Hopkins Bloomberg School of Public Health.

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Dr. Dong Hyuk Chun and his research team from the Clean Air Research Laboratory at the Korea Institute of Energy Research (KIER), led by President Chang-keun Yi, have developed a technology that efficiently manages volatile organic compounds (VOCs) emitted from small-scale businesses and recycles them with lower energy consumption compared to existing methods.

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To determine the underlying causes of neuronal vulnerability at the earliest stages of Alzheimer's disease (AD), a research team from the UC San Francisco鈥檚 Memory & Aging Center made use of brain tissue samples from two brain regions with differing susceptibility to AD.

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Nathalie Labrecque and her colleagues have discovered that NOTCH signaling is essential for the differentiation of CD8+ T lymphocytes, optimizing their immune response to infections.

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We present a one-step, visible light-induced synthesis of bicyclo[1.1.1]pentane-ketone, a bioisostere for benzoyl groups that enhances drug properties. This method operates under mild conditions, tolerates oxidation-sensitive substituents, and achieves moderate to high yields. Mechanistic studies indicate the necessity of stoichiometric tBuOOH despite the reaction's redox-neutral nature. This approach offers a streamlined strategy for incorporating bicyclo[1.1.1]pentane-ketone into pharmaceuticals, potentially improving their efficacy and compatibility.

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Neptune lies in the frigid, dark, vast frontier of the outer edges of our solar system about 3 billion miles away from the Sun. It鈥檚 only been visited once by a spacecraft back in 1989, and since then, observatories like NASA鈥檚 Hubble Space Telescope have tracked the planet鈥檚 changing weather. Hubble even discovered a new moon orbiting the planet in 2013. In many images, the planet appears as a blueish orb, sometimes with disappearing and reappearing dark spots. NASA鈥檚 James Webb Space Telescope has now revealed a different appearance鈥攆or the first time, a bright auroral glow from this ice giant.

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A scientific technique that rapidly increases the body鈥檚 production of anti-inflammatory cells promoted healing from heart attacks in mice, according to a new study by investigators from the Smidt Heart Institute at Cedars-Sinai.

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驴Podr铆as imaginarte un tel茅fono inteligente con pantalla t谩ctil de madera o una casa con ventanas de madera? La madera transparente podr铆a hacerlo posible. Los investigadores han creado esta alternativa al pl谩stico utilizando materiales casi totalmente naturales. Presentar谩n sus resultados en el encuentro de primavera de 2025 de la ACS.

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Los investigadores est谩n considerando el radiocarbono como fuente para bater铆as nucleares seguras, peque帽as y asequibles que podr铆an durar d茅cadas, o incluso m谩s, sin necesidad de recarga. Presentar谩n sus resultados en el encuentro de primavera de 2025 de la ACS.