Âé¶¹ÒùÔº - latest science and technology news stories / en-us Âé¶¹ÒùÔº internet news portal provides the latest news on science including: Âé¶¹ÒùÔºics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Ultra-sensitive light-based sensor developed for handheld Alzheimer's blood test Researchers have made a significant advance in the development of a blood test for Alzheimer's, creating a new sensor design that is ultra-sensitive, outperforms competing technologies and can be built into a handheld device. /news/2025-10-ultra-sensitive-based-sensor-handheld.html Bio & Medicine Nanophysics Thu, 09 Oct 2025 12:58:04 EDT news679233482 We tested if a specialized magnetic powder could remove microplastics from drinking water: The answer is yes Microplastics are the crumbs of our plastic world, tiny pieces that come from bigger items breaking apart or from products like synthetic clothing and packaging. They're now everywhere. Scientists estimate there are about 51 trillion of these particles floating in the world's surface waters, and low levels have even been found in South African tap water. /news/2025-10-specialized-magnetic-powder-microplastics.html Nanophysics Nanomaterials Wed, 08 Oct 2025 13:04:04 EDT news679147441 Nasal spray with gold nanoparticles delivers targeted treatment to the brain Tiny gold particles that act as carriers for lithium can be delivered directly to the brain in the form of a nasal spray. Developed by scientists at the Università Cattolica Rome campus/Fondazione Policlinico Universitario A. Gemelli IRCCS, the new nanotechnological device can be used for the treatment and prevention of neuropsychiatric and neurodegenerative diseases. /news/2025-10-nasal-spray-gold-nanoparticles-treatment.html Bio & Medicine Nanomaterials Wed, 08 Oct 2025 12:29:04 EDT news679145334 Orthopedic implants aim to last longer with liquid metal-based nanomaterials A pioneering liquid metal combination is shaping up as a potential secret weapon in the global fight against antimicrobial resistance, and promises to outlast existing implant materials. /news/2025-10-orthopedic-implants-aim-longer-liquid.html Bio & Medicine Nanomaterials Wed, 08 Oct 2025 11:17:03 EDT news679141021 Protein nanorings designed to detect and neutralize SARS-CoV2 virus An international team of scientists has generated a new ring-shaped protein nanomaterial capable of strongly binding to and neutralizing the SARS-CoV2 virus. The study, published in Advanced Healthcare Materials, highlights the versatility of the system devised to design the nanorings, which can integrate therapeutic and diagnostic capabilities, and be adapted to combat other viruses. /news/2025-10-protein-nanorings-neutralize-sars-cov2.html Bio & Medicine Nanomaterials Wed, 08 Oct 2025 10:06:03 EDT news679136761 Bacterial enzyme and nanoparticle discoveries hold promise for treating gut pain Abdominal pain is a hallmark of many digestive disorders, including inflammatory bowel disease and irritable bowel syndrome. In an effort to develop targeted treatments for gut pain, scientists have discovered a new enzyme in gut bacteria and are using nanoparticles to deliver drugs inside cells. /news/2025-10-bacterial-enzyme-nanoparticle-discoveries-gut.html Bio & Medicine Tue, 07 Oct 2025 16:04:05 EDT news679071841 Bacteria may influence accumulation of gold nanoparticles in spruce tree needles A new study has, for the first time, uncovered a connection between bacteria living in Norway spruce needles and gold nanoparticles. This discovery could pave the way for environmentally friendly gold exploration methods, while examining similar processes in mosses may also help remove metals from mining-impacted waters. /news/2025-10-bacteria-accumulation-gold-nanoparticles-spruce.html Bio & Medicine Nanomaterials Mon, 06 Oct 2025 16:17:04 EDT news678986222 Researchers develop fat-like nanoparticles to treat fatty liver disease Researchers from the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine), have developed a novel RNA-based therapy that could transform treatment for metabolic dysfunction-associated steatohepatitis (MASH), previously known as non-alcoholic fatty liver disease (NAFLD), which affects approximately 25% of people worldwide, and up to 40% of adults in Singapore. /news/2025-10-fat-nanoparticles-fatty-liver-disease.html Bio & Medicine Fri, 03 Oct 2025 04:55:08 EDT news678686101 Cereal plants absorb nanoplastics, initial lab trials suggest Microplastics and nanoplastics in soils are a growing environmental problem. The extent to which agricultural crops absorb these particles and whether they end up in food has so far been difficult to prove. This is because they are hard to distinguish from plant components and mineral particles, even with high-resolution microscopes. /news/2025-10-cereal-absorb-nanoplastics-lab-trials.html Cell & Microbiology Agriculture Wed, 01 Oct 2025 12:22:03 EDT news678540122 New test to track how medicines 'hitchhike' on cholesterol Researchers at The University of Queensland have developed a test that could change our understanding of cholesterol and its potential to ferry deadly cancer messages and life-saving medicines around our body. /news/2025-10-track-medicines-hitchhike-cholesterol.html Cell & Microbiology Wed, 01 Oct 2025 08:01:05 EDT news678524462 Tiny nanoparticles conquer the big three in polymer glasses: Strength, toughness and processability Scientists have found a nanoparticle-inspired solution to the age-old strength issue of polymer glasses. Seasoning the polymer glass recipe with single-chain nanoparticles, which are tiny, folded-up polymer strands, can make the glass stronger, tougher, and easier to process by acting as reinforcements. /news/2025-09-tiny-nanoparticles-conquer-big-polymer.html Nanophysics Nanomaterials Tue, 30 Sep 2025 07:20:01 EDT news678368522 3D bioprinting advances enable creation of artificial blood vessels with layered structures To explore possible treatments for various diseases, either animal models or human cell cultures are usually used first; however, animal models do not always mimic human diseases well, and cultures are far removed from tissue complexity. Advances in 3D printing, together with knowledge of biomaterials, are making it possible to recreate complex 3D tissue models in the laboratory. /news/2025-09-3d-bioprinting-advances-enable-creation.html Bio & Medicine Nanomaterials Mon, 29 Sep 2025 15:20:01 EDT news678377594 Scientists develop microelectrode array for monitoring neuronal activity during hibernation A research team has developed a nanocomposite-modified microelectrode array (MEA) that enables long-term, high-sensitivity monitoring of neuronal activity during hibernation. Their findings were recently published in ACS Sensors. /news/2025-09-scientists-microelectrode-array-neuronal-hibernation.html Bio & Medicine Mon, 29 Sep 2025 13:00:05 EDT news678369415 Nature-inspired nanocage serves as gold nanoparticle reactor Researchers led by Professor Yi-Tsu Chan at National Taiwan University have created a giant molecular cage that mimics nature's nested structures. This layered nanocage is remarkably stable and can serve as a miniature reactor for producing gold nanoparticles. /news/2025-09-nature-nanocage-gold-nanoparticle-reactor.html Nanomaterials Fri, 26 Sep 2025 10:19:03 EDT news678100741 Multifunctional liquid metal nanocomposites for cancer photoimmunotherapy successfully developed A research team led by Professor Eijiro Miyako from the Materials Chemistry Frontiers Research Area at Japan Advanced Institute of Science and Technology (JAIST) has successfully developed multifunctional nanocomposites by coating liquid metal surfaces with lactic acid bacteria components and near-infrared fluorescent dye (indocyanine green). /news/2025-09-multifunctional-liquid-metal-nanocomposites-cancer.html Bio & Medicine Thu, 25 Sep 2025 15:46:03 EDT news678033961 Light-driven thermal barriers control fluid flow in three dimensions Scientists at the Department of Applied Âé¶¹ÒùÔºics II of the University of Malaga have participated in the design of a new technology that controls fluids and particles in three dimensions through virtual thermal barriers generated using light. /news/2025-09-driven-thermal-barriers-fluid-dimensions.html Optics & Photonics Soft Matter Thu, 25 Sep 2025 11:57:03 EDT news678020221 Electron microscopy reveals new method to make exotic metal alloys Humans have been making metal alloys for thousands of years, and most of us can conjure a rough mental image of the process—it involves red-hot molten metals being mixed, poured, and shaped in a sweltering workshop or factory. This approach still works perfectly well for the traditional metals we see every day, like steel. But advanced metals with special chemical and mechanical properties, ones that scientists are investigating to use in energy technologies like long-lasting batteries and extreme-temperature engines for aerospace vehicles, need a more refined approach. /news/2025-09-electron-microscopy-reveals-method-exotic.html Analytical Chemistry Materials Science Wed, 24 Sep 2025 14:39:05 EDT news677943542 Q&A: How viruses build perfectly symmetrical protective shells Research led by a physicist at the University of California, Riverside, shows how viruses form protective shells (capsids) around their genomes, a process that—while messy and complex—consistently results in highly symmetrical icosahedral structures. /news/2025-09-qa-viruses-symmetrical-shells.html Molecular & Computational biology Wed, 24 Sep 2025 14:00:05 EDT news677862661 Toxic homes a lasting legacy of Los Angeles fires The fires that tore through Los Angeles nine months ago didn't destroy Karen Girard's home. But the smoke left her walls, floors and furniture infused with a toxic cocktail. /news/2025-09-toxic-homes-legacy-los-angeles.html Environment Wed, 24 Sep 2025 05:00:07 EDT news677908207 Nanocellulose-based foam materials for water purification, smart packaging and green electronics Nanocellulose is a renewable nanomaterial made from plant fibers, with unique properties including lightness, very high strength and large surface area. The doctoral dissertation of Mohammad Karzarjeddi from the University of Oulu, Finland, investigated nanocellulose-based porous foam materials in water purification, smart packaging and wireless communications. These advanced cellulose applications reduce dependence on fossil-based materials. /news/2025-09-nanocellulose-based-foam-materials-purification.html Nanomaterials Tue, 23 Sep 2025 14:59:02 EDT news677858341 Lipid nanoparticles with complex shapes expand options for next-generation drug delivery An Australian research team has achieved an advanced materials breakthrough that opens the door to a new generation of nanodrug applications. From drug delivery, to diagnostics, to gene editing and beyond, the breakthrough has the potential to improve outcomes for patients around the world in coming decades. /news/2025-09-lipid-nanoparticles-complex-options-generation.html Bio & Medicine Nanomaterials Tue, 23 Sep 2025 10:35:04 EDT news677842501 MXene-supported ruthenium catalyst accelerates upcycling of plastics Plastics are valued for their durability, but that quality also makes them difficult to break down. Tiny pieces of debris known as microplastics persist in soil, water and air and threaten ecosystems and human health. /news/2025-09-mxene-ruthenium-catalyst-upcycling-plastics.html Polymers Analytical Chemistry Mon, 22 Sep 2025 14:15:04 EDT news677769301 AI engineers nanoparticles for improved drug delivery Biomedical engineers at Duke University have developed a platform that combines automated wet lab techniques with artificial intelligence (AI) to design nanoparticles for drug delivery. The approach could help researchers deliver difficult-to-encapsulate therapeutics more efficiently and effectively. /news/2025-09-ai-nanoparticles-drug-delivery.html Bio & Medicine Mon, 22 Sep 2025 14:09:29 EDT news677768960 Light-sensitive nanoparticles could serve as contrast agents for advanced imaging A novel class of light-sensitive nanoparticles may one day enable new approaches to medical imaging. They were developed by a research team at Martin Luther University Halle-Wittenberg (MLU). The particles absorb laser light and convert them into heat, thereby changing their internal structure, similar to folded proteins. The research was published in the journal Communications Chemistry. /news/2025-09-sensitive-nanoparticles-contrast-agents-advanced.html Bio & Medicine Nanomaterials Mon, 22 Sep 2025 12:43:03 EDT news677763781 Nanoparticles supercharge vinegar's old-fashioned wound healing power Wounds that do not heal are often caused by bacterial infections and are particularly dangerous for the elderly and people with diabetes, cancer and other conditions. Acetic acid (more commonly known as vinegar) has been used for centuries as a disinfectant, but it is only effective against a small number of bacteria, and it does not kill the most dangerous types. /news/2025-09-nanoparticles-supercharge-vinegar-fashioned-wound.html Bio & Medicine Mon, 22 Sep 2025 12:26:03 EDT news677762761 Copper alloy catalysts' surface changes mapped during COâ‚‚ conversion reactions Seoul National University College of Engineering announced that a joint research team has become the first in the world to elucidate the reconstruction mechanism of copper alloy catalysts during electrochemical COâ‚‚ conversion reactions. /news/2025-09-copper-alloy-catalysts-surface-conversion.html Analytical Chemistry Materials Science Thu, 18 Sep 2025 15:31:04 EDT news677428261 Chloride-resistant Ru nanocatalysts developed for sustainable hydrogen production from seawater The growing global demand for clean energy and rising concerns over climate change have intensified the search for sustainable alternatives. Hydrogen emerges as a promising solution due to its high energy density and zero-carbon emissions. /news/2025-09-chloride-resistant-ru-nanocatalysts-sustainable.html Analytical Chemistry Materials Science Thu, 18 Sep 2025 15:28:04 EDT news677428082 Court rulings increasingly demand scientific certainty—but the case of titanium dioxide shows that's not always possible Last month, courts on both sides of the Atlantic delivered a clear verdict: When classifying titanium dioxide as carcinogenic, regulatory agencies had overreached. /news/2025-09-court-demand-scientific-certainty-case.html Nanomaterials Thu, 18 Sep 2025 13:12:04 EDT news677419921 Bioengineers explore how tumor mechanics and tiny messengers could shape the future of cancer research When Ph.D. student Kshitiz Parihar began combing through dozens of research papers on two seemingly different topics—tumor mechanics and extracellular vesicles, tiny packages of proteins and genetic material secreted by cells—he noticed something surprising: the two fields were speaking to each other. /news/2025-09-bioengineers-explore-tumor-mechanics-tiny.html Bio & Medicine Thu, 18 Sep 2025 11:31:05 EDT news677413861 Lipid nanoparticles enable targeted RNA therapy for inflammatory bowel diseases Researchers at Tel Aviv University have developed a new approach for using locked nucleic acids (LNAs)—a particularly stable type of RNA—to treat inflammatory bowel diseases such as Crohn's disease and ulcerative colitis. The researchers encapsulated selected LNA molecules, which silence a key gene in colitis, within lipid (fat) nanoparticles that serve as targeted drug carriers and injected the nanoparticles into colitis-model mice. /news/2025-09-lipid-nanoparticles-enable-rna-therapy.html Bio & Medicine Wed, 17 Sep 2025 15:21:03 EDT news677341261