/ en-us Âé¶čÒùÔș internet news portal provides the latest news on science including: Âé¶čÒùÔșics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Imagine a medical scanner that works faster and produces clearer images, or a radiation detector that pinpoints tiny traces of radioactive material with unprecedented accuracy. These futuristic possibilities are a step closer to reality thanks to new research by scientists at the Ɓukasiewicz Research Network—PORT Polish Center for Technology Development. /news/2025-05-thin-bulk-brighter-faster-scanning.html Nanophysics Nanomaterials Tue, 20 May 2025 11:30:22 EDT news666959418 A study published in ACS Nano presents a novel biosensor for the isothermal, highly sensitive detection of bladder cancer biomarkers—miRNAs, short non-coding RNAs that regulate gene expression—using programmable pH-responsive triplex DNA nanostructures. /news/2025-05-biosensor-ph-responsive-dna-nanoswitches.html Bio & Medicine Tue, 13 May 2025 14:29:02 EDT news666365341 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 Âé¶čÒùÔșical 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 PCR genetic analysis has been in the spotlight since COVID-19, but light is now further facilitating PCR-free methods. Osaka Metropolitan University scientists have developed a light-induced DNA detection technique, using heterogeneous probe particles, that enables ultra-sensitive and ultra-fast genetic analysis without the need for PCR amplification. This advancement is paving the way for faster, more affordable, and precise genetic analysis across medicine, environmental science, and portable diagnostics. /news/2025-04-dna-rapid-ultra-sensitive-pcr.html Biotechnology Molecular & Computational biology Tue, 22 Apr 2025 08:52:04 EDT news664530721 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 Researchers from ICMAB are revolutionizing how we manipulate light at the nanoscale using chiral plasmonic structures—nanomaterials designed to interact with polarized light in extraordinary ways. /news/2025-04-chiral-plasmonic-nanostructures-limits-nanoscale.html Nanophysics Nanomaterials Thu, 10 Apr 2025 11:58:03 EDT news663505081 Recently, a team of researchers from the Hefei Institutes of Âé¶čÒùÔșical 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 A new technology has been developed that enables the manufacturing of thin films, which typically require complex processes, using only water and oil in just one minute. Professor Kang Hee Ku and her research team from the School of Energy and Chemical Engineering at UNIST announced their novel process for creating catalytic thin films using oil droplets dispersed in water. /news/2025-03-technology-enables-rapid-thin-minute.html Nanomaterials Fri, 21 Mar 2025 11:00:04 EDT news661771553 A research team led by Prof. Liu Xuanyong from the Shanghai Institute of Ceramics of the Chinese Academy of Sciences has introduced a pioneering antibacterial strategy that disrupts bacterial energy metabolism by interfering with proton and electron transfer in bacterial membranes. /news/2025-03-strategy-combats-implant-infections-starving.html Cell & Microbiology Molecular & Computational biology Thu, 20 Mar 2025 14:03:04 EDT news661698182 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 Apical periodontitis, a chronic and hard-to-treat dental infection, affects more than half of the population worldwide and is the leading cause of tooth loss. Root canal is the standard treatment, but existing approaches to treat the infection have many limitations that can cause complications, leading to treatment failure. /news/2025-02-nanoparticles-treatment-root-canal-infection.html Bio & Medicine Nanomaterials Mon, 24 Feb 2025 12:31:04 EST news659622661 Luminescent gold nanoparticles (L-AuNPs) represent a novel class of luminescent nanomaterials that have attracted considerable attention in recent years. They possess a range of exceptional physicochemical properties and are being explored for a diverse array of potential biological applications. /news/2025-02-gold-nanoparticle-based-therapy-colorectal.html Bio & Medicine Tue, 18 Feb 2025 13:51:04 EST news659109062 High-dose gold nanoparticle treatment outperformed orlistat in reversing obesity-related damage in rats, according to research conducted by Alexandria University, Erbil Polytechnic University, and Pharos University. /news/2025-02-egyptian-scientists-gold-nanoparticles-reverse.html Bio & Medicine Thu, 13 Feb 2025 09:40:38 EST news658660133 A team of researchers from NUS has developed a novel method to enhance the precision of cancer treatment using gold nanoparticles tagged with DNA barcodes. /news/2025-01-dna-tagged-gold-nanoparticles-enable.html Bio & Medicine Fri, 24 Jan 2025 08:09:05 EST news656928541 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 A Cornell-led research team has developed a method for extracting gold from electronics waste, then using the recovered precious metal as a catalyst for converting carbon dioxide (CO2), a greenhouse gas, to organic materials. /news/2025-01-gold-pathway-co8322-sustainability.html Polymers Materials Science Thu, 02 Jan 2025 12:09:03 EST news655042141 A spoonful of sugar might actually help medicine go down, according to recent research from the University of Mississippi. And it could reduce the harmful side effects of cancer treatment. Instead of a literal spoonful of sugar, however, the researchers tried using glycopolymers—polymers made with natural sugars like glucose—to coat tiny particles that deliver cancer-fighting medication directly to tumors. They found that glycopolymers help keep proteins from sticking to the nanoparticles, reducing the body's immune response to the treatment. /news/2024-11-sugar-nanoparticle-boost-cancer-drug.html Bio & Medicine Wed, 20 Nov 2024 14:47:03 EST news651336421 Researchers in the Nanoscience Center at the University of JyvĂ€skylĂ€, Finland, have used machine learning and supercomputer simulations to investigate how tiny gold nanoparticles bind to blood proteins. The studies discovered that favorable nanoparticle-protein interactions can be predicted from machine learning models that are trained from atom-scale molecular dynamics simulations. The new methodology opens ways to simulate the efficacy of gold nanoparticles as targeted drug delivery systems in precision nanomedicine. /news/2024-11-machine-supercomputer-simulations-interactions-gold.html Bio & Medicine Nanomaterials Mon, 18 Nov 2024 15:36:58 EST news651166606 In recent years, bio-medical engineers have been developing promising techniques that could help diagnose diseases or precisely target specific regions inside the human body. Among these promising therapeutic strategies are methods that rely on the use of nanoparticles (NPs), tiny particles between 1 and 100 nm in size. /news/2024-10-precise-delivery-nanoparticles-lung-caveolae.html Bio & Medicine Thu, 31 Oct 2024 07:50:02 EDT news649511395 Researchers at the University of Ottawa have made a breakthrough in heart disease diagnostics. They have developed a new type of contrast agent for a medical imaging technique called intravascular optical coherence tomography (IV-OCT). This new agent, made from gold superclusters (AuSC), could improve doctors' ability to diagnose heart conditions. /news/2024-10-gold-standard-cardiology-imaging-nanoparticles.html Bio & Medicine Mon, 28 Oct 2024 11:40:29 EDT news649334414 Chinese scientists have recently developed a facile photochemical route for the preparation of gold nanoparticles with excellent luminescence properties. /news/2024-10-photochemical-method-luminescence-gold-nanoprobes.html Nanomaterials Tue, 22 Oct 2024 14:08:03 EDT news648824881 Prostate cancer is the second leading cause of cancer death among American men. A recent study, conducted by researchers from the University of Virginia, Mount Sinai, the University of Michigan, the University of Texas and others, has demonstrated the clinical success of a new nanoparticle-based, laser-guided therapy for prostate cancer treatment. /news/2024-10-nanoparticle-therapy-prostate-cancer-patients.html Bio & Medicine Wed, 16 Oct 2024 17:06:04 EDT news648317162 In a significant advancement for point-of-care medical diagnostics, a team of researchers from UCLA has introduced a deep learning-enhanced, paper-based vertical flow assay (VFA) capable of detecting cardiac troponin I (cTnI) with high sensitivity. The innovative assay holds the potential to democratize access to rapid and reliable cardiac diagnostics, particularly in resource-limited settings. /news/2024-10-paper-based-sensor-rapid-cardiac.html Bio & Medicine Sun, 06 Oct 2024 12:37:06 EDT news647437014 A new way of diagnosing lung cancer with a blood draw is 10 times faster and 14 times more sensitive than earlier methods, according to University of Michigan researchers. /news/2024-10-microchip-captures-exosomes-faster-sensitive.html Bio & Medicine Thu, 03 Oct 2024 16:00:34 EDT news647190029 Penn Engineers have discovered a novel means of directing lipid nanoparticles (LNPs), the revolutionary molecules that delivered the COVID-19 vaccines, to target specific tissues, presaging a new era in personalized medicine and gene therapy. /news/2024-10-siloxane-nanoparticles-precise-mrna-therapy.html Bio & Medicine Tue, 01 Oct 2024 09:45:35 EDT news646994722