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. PFAS could be replaced with safe graphene oxide solution Northwestern University researchers have developed a new water- and oil-resistant material that could become a safe, viable replacement for harmful plastics and toxic per- and polyfluoroalkyl substances (PFAS) in food packaging. /news/2025-06-pfas-safe-graphene-oxide-solution.html Materials Science Mon, 02 Jun 2025 12:10:08 EDT news668085003 Scientists create 'virtual sorting nanomachines' using electron beams to manipulate graphene oxide Researchers at Nagoya University in Japan have developed an interface that creates "virtual sorting nanomachines" without the need to manufacture actual devices. /news/2025-05-scientists-virtual-nanomachines-electron-graphene.html Nanophysics Nanomaterials Thu, 22 May 2025 11:55:03 EDT news667133701 Non-seasonal flu vaccine slides closer to reality University of Pennsylvania researchers have discovered a right-handed, antiparallel double-helix inside influenza ribonucleoprotein complexes that slides strand-against-strand as the viral polymerase copies RNA, offering a conserved target for future antivirals. /news/2025-05-seasonal-flu-vaccine-closer-reality.html Cell & Microbiology Molecular & Computational biology Wed, 21 May 2025 10:17:26 EDT news667041437 AI-powered electronic nose detects diverse scents for health care and environmental applications A research team has developed a "next-generation AI electronic nose" capable of distinguishing scents like the human olfactory system does and analyzing them using artificial intelligence. This technology converts scent molecules into electrical signals and trains AI models on their unique patterns. It holds great promise for applications in personalized health care, the cosmetics industry, and environmental monitoring. /news/2025-05-ai-powered-electronic-nose-diverse.html Bio & Medicine Fri, 02 May 2025 11:43:04 EDT news665404982 Using fire to produce nanoparticles could revolutionize various industries Fire is arguably humanity's earliest discovery. It was pivotal in advancing society—underpinning many of humanity's most transformative inventions, from cooking and forging weapons to generating energy and enabling car combustion engines. /news/2025-05-nanoparticles-revolutionize-industries.html Nanomaterials Thu, 01 May 2025 12:39:23 EDT news665321960 Scalable graphene membranes could supercharge carbon capture Capturing carbon dioxide (CO2) from industrial emissions is crucial in the fight against climate change. But current methods, like chemical absorption, are expensive and energy-intensive. Scientists have long eyed graphene—an atom-thin, ultra-strong material—as a promising alternative for gas separation, but making large-area, efficient graphene membranes has been a challenge. /news/2025-04-scalable-graphene-membranes-supercharge-carbon.html Nanomaterials Fri, 11 Apr 2025 05:00:03 EDT news663503170 Water filter with nanoscale channels selectively removes stubborn 'forever chemicals' Traditional water filters struggle to remove smaller PFAS molecules, but a new Monash-designed filter changes that. Researchers at Monash University have developed a water filtration membrane that effectively removes small PFAS molecules, overcoming a significant challenge faced by conventional water filters. /news/2025-04-filter-nanoscale-channels-stubborn-chemicals.html Nanomaterials Tue, 08 Apr 2025 12:25:04 EDT news663333901 Bacteria-enhanced graphene oxide nanoparticles provide triple-action tumor eradication Modern cancer treatments have evolved beyond traditional chemotherapy to include targeted approaches such as immunotherapy, radiation therapy, and photothermal therapy. Graphene oxide (GO), known for its biocompatibility, high photothermal conversion efficiency, and large surface area, has emerged as a promising material for both drug delivery and thermal-based tumor destruction. However, its clinical application remains limited due to challenges in dispersibility and large-scale production. /news/2025-04-bacteria-graphene-oxide-nanoparticles-triple.html Bio & Medicine Thu, 03 Apr 2025 11:43:17 EDT news662899389 Researchers develop chainmail integrated-electrode for highly efficient hydrogen sulfide electrolysis Hydrogen sulfide (H2S), a toxic and corrosive byproduct of fossil fuel extraction, poses significant environmental and industrial challenges. While the conventional Claus process converts H2S into elemental sulfur, it fails to recover hydrogen gas, missing an opportunity for sustainable energy production. /news/2025-03-chainmail-electrode-highly-efficient-hydrogen.html Analytical Chemistry Materials Science Thu, 20 Mar 2025 14:14:17 EDT news661698845 Aerogel provides enhanced oil adsorption through anisotropic structure Oil contamination from various human activities (such as oil spills from production, transportation, shipping, and storage) and natural events (e.g., natural seepage) has caused significant environmental, ecological, and economic impacts. Enhancing the adsorption efficiency of adsorbent materials for high-viscosity oil remains a significant challenge for researchers. /news/2025-03-aerogel-oil-adsorption-anisotropic.html Materials Science Wed, 19 Mar 2025 13:59:49 EDT news661611587 Carbon nanotube wires for wearables can be crafted from existing fiber manufacturing process Dr. Han Joong Tark's team at KERI's Nano Hybrid Technology Research Center has successfully fabricated "functional wires," which are the foundation of wearable electronic devices, by directly applying the existing synthetic fiber processing methods. /news/2025-03-carbon-nanotube-wires-wearables-crafted.html Nanomaterials Wed, 19 Mar 2025 11:06:04 EDT news661601162 Plant patch can detect stress signals in real time Environmental conditions can cause damaging stress to plants, posing challenges for home gardeners and farmers. Therefore, early detection—before leaves visibly discolor, wilt or wither—is crucial. /news/2025-03-patch-stress-real.html Biotechnology Agriculture Wed, 19 Mar 2025 08:00:01 EDT news661506001 3D imaging technique captures dynamic atomic shifts in nanoparticles, revealing unexpected structural phases A research team from Seoul National University College of Engineering has developed a technology to observe atomic structural changes of nanoparticles in three dimensions. Their study, which resolves a long-standing challenge even past Nobel laureates could not solve, was published online in Nature Communications on January 29. /news/2025-03-3d-imaging-technique-captures-dynamic.html Nanophysics Nanomaterials Tue, 04 Mar 2025 13:12:46 EST news660316363 Portable biosensor can detect airborne bird flu in under five minutes As highly pathogenic H5N1 avian influenza continues to spread in the U.S., posing serious threats to dairy and poultry farms, both farmers and public health experts need better ways to monitor for infections, in real time, to mitigate and respond to outbreaks. Now, thanks to research from Washington University in St. Louis published in a special issue of ACS Sensors on "breath sensing," virus trackers have a way to monitor aerosol particles of H5N1. /news/2025-03-portable-biosensor-airborne-bird-flu.html Biochemistry Analytical Chemistry Mon, 03 Mar 2025 12:09:30 EST news660226165 Graphene production technique offers green alternative to graphite mining Researchers in Sweden report a green alternative to reduce reliance on mining graphite, the raw source behind the "wonder material" graphene. In the journal Small, researchers at KTH Royal Institute of Technology say they have developed a reproducible and scalable method for producing graphene oxide (GO) nanosheets from commercial carbon fibers, marking a breakthrough in sustainable nanomaterial synthesis. /news/2025-03-graphene-production-technique-green-alternative.html Nanomaterials Mon, 03 Mar 2025 10:56:03 EST news660221761 Modifying graphene sheets with plasma to produce better gas sensors Gas sensing technologies play a vital role in our modern world, from ensuring our safety in homes and workplaces to monitoring environmental pollution and industrial processes. Traditional gas sensors, while effective, often face limitations in their sensitivity, response time, and power consumption. /news/2025-02-graphene-sheets-plasma-gas-sensors.html Nanomaterials Tue, 25 Feb 2025 12:42:03 EST news659709721 A new, more economical and sustainable material design uses sunlight to decontaminate air Nitrogen oxides (NOx) are a group of gases formed by nitric oxide and nitrogen dioxide. They are produced, above all, by the burning of fossil fuels. Due to their harmful effects on human health and the environment, in recent years they have been in the scientific community's crosshairs. /news/2024-12-economical-sustainable-material-sunlight-decontaminate.html Analytical Chemistry Materials Science Wed, 11 Dec 2024 12:57:04 EST news653144222 Team develops non-invasive biosensor for early kidney disease detection Traditionally, kidney health has been monitored by measuring blood creatinine levels, which indicate muscle breakdown. High creatinine levels can suggest that the kidneys are not filtering waste efficiently. However, creatinine levels can be affected by a person's muscle mass and only rise significantly after more than 75% of kidney function is lost. /news/2024-11-team-invasive-biosensor-early-kidney.html Bio & Medicine Wed, 06 Nov 2024 15:35:04 EST news650129702 Gamma radiation converts methane into complex organic molecules and could explain the origin of life Gamma radiation can convert methane into a wide variety of products at room temperature, including hydrocarbons, oxygen-containing molecules, and amino acids, according to a new article published in the journal Angewandte Chemie International Edition. /news/2024-11-gamma-methane-complex-molecules-life.html Biochemistry Analytical Chemistry Wed, 06 Nov 2024 11:05:04 EST news650113502 Graphene oxide and chitosan sponge found to be ten times more efficient at removing gold from e-waste A team of chemists and materials scientists at the National University of Singapore, working with colleagues from Manchester University, in the U.K., and Guangdong University of Technology, in China, has developed a type of sponge made of graphene oxide and chitosan, that can be used to extract gold from electronic waste. /news/2024-10-graphene-oxide-chitosan-sponge-ten.html Analytical Chemistry Materials Science Sat, 26 Oct 2024 14:00:01 EDT news649083089 Pushing the boundaries of traditional ceramic techniques by merging art and science Art and science are sometimes poles apart, but that isn't the case in a research project described in ACS Omega. For this work, an interdisciplinary team merged scientific research, technological advancements and artistic exploration to experiment with the production, properties and application of a new kind of ceramic. /news/2024-10-boundaries-traditional-ceramic-techniques-merging.html Materials Science Other Fri, 25 Oct 2024 14:00:01 EDT news649083124 Artificial 'nose' can sniff out damaged fruit and spoiled meat Although smell has historically played an important role in the fight against diseases such as the plague and tuberculosis, the human nose is generally not sensitive enough to be used as a reliable diagnostic tool. However, a new artificial "nose" inspired by our sense of smell could now make it possible to detect undiagnosed disease, hazardous gases, and food that is starting to spoil. And it is all made possible with technology that already exists. /news/2024-10-artificial-nose-fruit-meat.html Analytical Chemistry Mon, 21 Oct 2024 14:21:04 EDT news648739261 New fabrication strategy enhances graphene aerogel sensitivity and durability for human-machine interfaces In recent years, researchers have synthesized various new materials that could be used to develop more advanced robotic systems, devices and human-machine interfaces. These materials include graphene aerogels, ultralight, porous and graphene-based materials comprised of a single layer of carbon atoms arranged in a 2D honeycomb lattice. /news/2024-10-fabrication-strategy-graphene-aerogel-sensitivity.html Nanomaterials Fri, 18 Oct 2024 08:10:01 EDT news648444831 Platform combines graphene oxide with antibodies to enhance CAR-T cell therapy Imagine a world where your own immune cells are transformed into cancer-fighting superheroes. This is the promise of CAR-T cell therapy, a groundbreaking treatment that's already saving lives. /news/2024-10-platform-combines-graphene-oxide-antibodies.html Bio & Medicine Tue, 08 Oct 2024 11:08:05 EDT news647604481 Research reveals best conditions for storing graphene oxide A research team from Skoltech and other scientific organizations conducted a study to determine which conditions are the most suitable for storing graphene oxide—a promising material that can be used for manufacturing composite materials, gas sensors, and in many other fields. /news/2024-09-reveals-conditions-graphene-oxide.html Nanomaterials Tue, 24 Sep 2024 11:17:03 EDT news646395421 Graphene at 20: Still no sign of the promised space elevator, but the material is quietly changing the world Twenty years ago this October, two physicists at the University of Manchester, Andre Geim and Konstantin Novoselov, published a groundbreaking paper on the "electric field effect in atomically thin carbon films." Their work described the extraordinary electronic properties of graphene, a crystalline form of carbon equivalent to a single layer of graphite, just one atom thick. /news/2024-09-graphene-space-elevator-material-quietly.html Nanomaterials Mon, 23 Sep 2024 13:15:05 EDT news646316102 From pollution to power: Merging wastewater treatment and energy generation with capacitive MFC innovations Imagine standing on the edge of a new frontier, where waste—something we often view as a problem—becomes the solution. We live in a world that needs innovation, where environmental challenges demand a sustainable approach, and where we need technologies that not only clean but also power our future. /news/2024-09-pollution-power-merging-wastewater-treatment.html Materials Science Mon, 23 Sep 2024 09:41:24 EDT news646303272 Researchers achieve aluminum molecular ring-based rotaxane and polyrotaxane Rotaxanes have garnered interest for their unique structures consisting of mechanically interlocked axles and macrocycles. Numerous organic macrocycles have been employed to construct rotaxanes, including crown ether, cyclobis(paraquat-p-phenylene), calixarene, pillararene, cyclodextrin, and cucurbituril. /news/2024-09-aluminum-molecular-based-rotaxane-polyrotaxane.html Analytical Chemistry Materials Science Thu, 19 Sep 2024 15:52:24 EDT news645979941 Graphite oxidation experiments reveal new type of oscillating chemical reaction A reaction that puzzled scientists for 50 years has now been explained by researchers at UmeÃ¥ University. Rapid structural snapshots captured how graphite transforms into graphite oxide during electrochemical oxidation, revealing intermediate structures that appear and disappear over time. The researchers describe this as a new type of oscillating reaction. /news/2024-09-graphite-oxidation-reveal-oscillating-chemical.html Analytical Chemistry Tue, 17 Sep 2024 11:18:03 EDT news645790677 Catalyzing environmental cleanup: A highly active and selective molecular catalyst and electrified membrane Some chemicals create environmental problems; others, fortunately, can help clean them up. Chemists from Yale University and their colleagues have developed an electrochemical catalyst and membrane that offers an efficient and sustainable way to treat water contaminated with trichloroethylene (TCE), a common and persistent environmental pollutant. Their findings highlight the potential for advanced electrochemical treatments in environmental remediation and open the door for further innovations in the field. /news/2024-09-catalyzing-environmental-cleanup-highly-molecular.html Analytical Chemistry Materials Science Thu, 12 Sep 2024 14:43:03 EDT news645370981