/ en-us Â鶹ÒùÔº internet news portal provides the latest news on science including: Â鶹ÒùÔºics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. In a study published in Science, a research team led by Prof. Wang Feng from the Dalian Institute of Chemical Â鶹ÒùÔºics (DICP) of the Chinese Academy of Sciences, along with Prof. Paolo Fornasiero from the University of Trieste in Italy, has developed a photochemical strategy for heterolytic hydrogen (H2) dissociation at ambient temperature, a long-standing challenge in H2 activation chemistry. /news/2025-09-heterolytic-hydrogen-dissociation-ambient-temperature.html Analytical Chemistry Materials Science Thu, 04 Sep 2025 14:00:05 EDT news676030982 Methane (CHâ‚„), the colorless and odorless gas that makes up most natural gas on Earth, has so far been converted into useful fuels and chemicals via energy-intensive processes that need to be carried out at high temperatures. Some energy researchers, however, have been exploring the possibility of transforming this gas into useful hydrocarbons and chemicals via photocatalysis. /news/2025-09-gold-tio-catalyst-enables-efficient.html Analytical Chemistry Materials Science Thu, 04 Sep 2025 11:51:07 EDT news676205462 Nanoparticles are everywhere. Nanoparticles find a wide range of applications in biomedical applications, sensing, energy conversion, and industrial processes. But nanoparticles can also have negative implications as environmental pollutants, defects and imperfections in electric and photonic circuits. /news/2025-09-golden-nano-sandwich-nanoparticles-visible.html Nanophysics Nanomaterials Tue, 02 Sep 2025 14:16:03 EDT news676041361 Waiting is the hardest part. Especially in the case of testing for water or food contamination, which can take days or even a week in some cases for the results, leaving the possibility that people have been unknowingly exposed. /news/2025-08-nanoparticle-methods-viruses-food.html Bio & Medicine Nanomaterials Fri, 22 Aug 2025 13:00:01 EDT news675086156 Researchers can use a metric called the particle number concentration (PNC) to calculate the number of particles in a sample, such as the number of marbles in a jar. /news/2025-08-formula-accuracy-particle-diverse-samples.html Analytical Chemistry Thu, 21 Aug 2025 01:57:34 EDT news674960249 For decades, researchers around the world have searched for alternatives to iridium, an extremely rare, incredibly expensive metal used in the production of clean hydrogen fuels. /news/2025-08-hydrogen-iridium-problem-afternoon-megalibrary.html Analytical Chemistry Materials Science Tue, 19 Aug 2025 13:29:22 EDT news674828952 Biomedical engineers at Duke University have developed a method to more precisely heat up gold nanoparticles to target and destroy cancerous tumors. Using imaging methods that combine light and sound to peer deeper into tissue, the team was better able to track and heat up nanoparticles to destroy a bladder cancer tumor in an animal model. The research is published in the journal Science Advances. /news/2025-08-based-thermometer-gold-nanoparticles-destroy.html Bio & Medicine Mon, 18 Aug 2025 09:09:19 EDT news674726954 A new breakthrough in the field of physics led by doctoral student Yueming Yan could allow for the creation of small, thin, low-power optical devices to be used in both medical imaging and environmental sensing. /news/2025-08-ultrathin-metal-semiconductor-emit-multicolor.html Nanophysics Nanomaterials Fri, 08 Aug 2025 09:14:03 EDT news673863241 Researchers from the Indian Institute of Science Education and Research (IISER) Pune and the Indian Institute of Technology-Bombay have developed an innovative, cost-effective method to produce high-quality metal nanoparticles, as detailed in a study published in the journal Small Methods. /news/2025-08-confined-dewetting-yields-uniform-metal.html Nanomaterials Wed, 06 Aug 2025 09:20:03 EDT news673690801 Light can behave in very unexpected ways when you squeeze it into small spaces. In a paper in the journal Science, Mark Brongersma, a professor of materials science and engineering at Stanford University, and doctoral candidate Skyler Selvin describe the novel way they have used sound to manipulate light that has been confined to gaps only a few nanometers across—allowing the researchers exquisite control over the color and intensity of light mechanically. /news/2025-07-nanodevice-sculpt-paving-displays-imaging.html Nanophysics Nanomaterials Thu, 31 Jul 2025 14:00:05 EDT news673170541 Researchers have developed a novel laser-assisted synthesis method to fabricate platinum (Pt) colloidosomes (Cs) with promising applications in near-infrared (NIR) photocatalytic and enzyme-mimicking cancer therapy. /news/2025-07-laser-platinum-colloidosomes-enable-efficient.html Bio & Medicine Wed, 30 Jul 2025 09:47:18 EDT news673087631 Nanoparticles—the tiniest building blocks of our world—are constantly in motion, bouncing, shifting, and drifting in unpredictable paths shaped by invisible forces and random environmental fluctuations. /news/2025-07-ai-tool-deciphers-mysteries-nanoparticle.html Nanophysics Nanomaterials Tue, 15 Jul 2025 08:23:31 EDT news671786606 When the Empire State Building was constructed, its 102 stories rose above midtown one piece at a time, with each individual element combining to become, for 40 years, the world's tallest building. Uptown at Columbia, Oleg Gang and his chemical engineering lab aren't building Art Deco architecture; their landmarks are incredibly small devices built from nanoscopic building blocks that arrange themselves. /news/2025-07-3d-material-dna.html Bio & Medicine Nanomaterials Wed, 09 Jul 2025 06:48:05 EDT news671262482 Candida, a type of fungus, can spread throughout the body via the bloodstream, leading to organ damage and sepsis. Recently, the incidence of candidiasis has surged due to the increase in immunosuppressive therapies, medical implants, and transplantation. /news/2025-07-gene-based-nanotherapy-approach-drug.html Bio & Medicine Wed, 09 Jul 2025 04:28:38 EDT news671254111 Researchers have demonstrated that by using argon plasma, metal atoms can be dispersed and guided to desired positions. This new strategy ensures that not a single atom goes to waste and maximizes the use of rare and precious metals. /news/2025-07-scientists-argon-plasma-precisely-position.html Analytical Chemistry Materials Science Mon, 07 Jul 2025 13:09:25 EDT news671112561 Traditional medical tests often require clinical samples to be sent off-site for analysis in a time-intensive and expensive process. Point-of-care diagnostics are instead low-cost, easy-to-use, and rapid tests performed at the site of patient care. Recently, researchers at the Carl R. Woese Institute for Genomic Biology reported new and optimized techniques to develop better biosensors for the early detection of disease biomarkers. /news/2025-07-nanoscale-advance-biosensing.html Bio & Medicine Nanophysics Tue, 01 Jul 2025 17:52:04 EDT news670611122 A research team including members from the University of Michigan have unveiled a new observational technique that's sensitive to the dynamics of the intrinsic quantum jiggles of materials, or phonons. /news/2025-06-electron-microscopy-technique-captures-nanoparticle.html Nanophysics Nanomaterials Wed, 18 Jun 2025 17:19:04 EDT news669485941 Since the time of the ancient Greek physician Hippocrates, cancer has been recognized as being sensitive to heat. Today, this principle forms the basis of hyperthermia treatment—a promising cancer therapy that uses controlled heat to kill tumor cells while sparing healthy ones. /news/2025-06-cancer-cells-cholesterol-armor-survive.html Cell & Microbiology Thu, 12 Jun 2025 11:40:03 EDT news668947121 Researchers at The University of Warwick have published the first example of a synthetic sugar detection test for snake venom, offering a new route to rapid diagnosis and better antivenoms. /news/2025-06-sugar-based-sensors-rapid-snake.html Biochemistry Analytical Chemistry Mon, 02 Jun 2025 08:47:18 EDT news668072827 Nanomedicines, especially those based on nanoparticles, are revolutionizing health care in terms of both diagnostics and therapeutics. These particles, often containing metals like iron or gold, can serve as contrast agents in medical imaging, act as nutritional supplements, and even function as carriers for drug delivery. /news/2025-05-precise-composition-analysis-nanomedicines.html Bio & Medicine Thu, 29 May 2025 15:10:08 EDT news667749669 Health care professionals use tiny particles of gold (nanoparticles) for a variety of medical applications—from diagnostic imaging to cancer treatment. Gold works well for these applications because it doesn't cause adverse reactions inside the body, it doesn't break down easily, and it's easy to see on imaging tests. /news/2025-04-optimizing-gold-nanoparticles-medical-imaging.html Bio & Medicine Nanomaterials Wed, 30 Apr 2025 13:38:03 EDT news665239082 A research team has developed a novel aerosol-based emulsion system that enables the self-assembly of asymmetric nanostructures—something long considered a major challenge in materials science. The team includes researchers from the Hefei Institutes of Â鶹ÒùÔºical Science of the Chinese Academy of Sciences, together with collaborators at the University of California. /news/2025-04-scientists-aerosol-asymmetric-superstructures.html Nanophysics Nanomaterials Wed, 30 Apr 2025 12:28:03 EDT news665234881 A team of researchers at the Medical Research Council Laboratory of Molecular Biology, in the U.K., has re-examined an old liquid-helium-cooled electron microscope, discovered the reason for the lack of improvement in the resolution of molecular protein imaging, and found a workaround to the problem. Their study is published in the Proceedings of the National Academy of Sciences. /news/2025-04-revamping-ultracold-liquid-helium-microscopy.html Biotechnology Molecular & Computational biology Tue, 22 Apr 2025 10:57:42 EDT news664538257 A new study by Brown University researchers suggests that gold nanoparticles—microscopic bits of gold thousands of times thinner than a human hair—might one day be used to help restore vision in people with macular degeneration and other retinal disorders. /news/2025-04-golden-eyes-gold-nanoparticles-day.html Bio & Medicine Wed, 16 Apr 2025 15:46:56 EDT news664037211 Recently, a team of researchers from the Hefei Institutes of Â鶹ÒùÔºical Science of the Chinese Academy of Sciences (CAS) consecutively removed the innermost atom and the outermost electron of a gold nanoparticle—without disturbing its overall structure. This precise manipulation allowed them to probe how the magnetic spin of the material influences its catalytic activity. /news/2025-04-gold-nanoclusters-reveal-magnetic-potential.html Nanophysics Nanomaterials Wed, 09 Apr 2025 17:17:03 EDT news663437822 While the threat that microplastics pose to human and ecological health has been richly documented and is well known, nanoplastics, which are smaller than one micrometer (1/50th the thickness of an average human hair), are far more reactive, far more mobile and vastly more capable of crossing biological membranes. Yet, because they are so tiny and so mobile, researchers don't yet have an accurate understanding of just how toxic these particles are. /news/2025-03-scientists-ultraprecise-efficient-flexible-technique.html Environment Tue, 01 Apr 2025 05:00:08 EDT news662632882 Tracking targeted drug delivery is often a challenge due to limitations in current imaging techniques. A recent study by Tokyo's Waseda University reports a breakthrough imaging technique that allows direct and highly sensitive tracking of gold nanoparticles (AuNPs) inside the body. This novel technique, which uses neutron activation of gold, could revolutionize cancer drug delivery by enabling real-time visualization of the gold nanoparticles without external tracers. /news/2025-03-gold-nanoparticles-reveal-drug-movement.html Bio & Medicine Nanomaterials Wed, 12 Mar 2025 13:12:03 EDT news661003921 Next-generation imaging technology is rapidly expanding beyond smartphones into intelligent devices, robotics, extended reality (XR) devices, health care, CCTV, and various other industries. At the core of these technological advances are highly efficient, ultra-compact image sensors that convert light signals into electrical signals. Image sensors capture and process visual information from objects and environments, enabling precise reconstruction of their shape, size, and spatial position. /news/2025-03-2d-semiconductor-sensor-gold-nanoparticles.html Nanophysics Nanomaterials Mon, 10 Mar 2025 13:40:02 EDT news660832492 In an international collaboration, researchers have made an important breakthrough in the therapeutic delivery of microRNAs against Duchenne muscular dystrophy, a disease with no cure, to date. /news/2025-02-nanoparticles-micrornas-muscle-stem-cells.html Bio & Medicine Tue, 25 Feb 2025 15:57:18 EST news659721433 Parkinson's disease (PD) is the second most common neurodegenerative disorder, primarily characterized by motor dysfunction. Its pathological hallmark is the abnormal aggregation of α-synuclein (α-syn) into insoluble fibrils and Lewy bodies, leading to the degeneration and death of dopaminergic neurons in the substantia nigra of the midbrain. /news/2025-01-nanoparticles-neurons-parkinson-wireless-brain.html Bio & Medicine Thu, 16 Jan 2025 11:13:04 EST news656248382