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. Novel nanozyme prevents excess clotting Researchers at the Indian Institute of Science (IISc) have developed an artificial metal-based nanozyme that can potentially be used to clamp down on abnormal blood clotting caused by conditions like pulmonary thromboembolism (PTE). /news/2025-06-nanozyme-excess-clotting.html Bio & Medicine Wed, 04 Jun 2025 09:48:04 EDT news668249281 Low-coordination Mn single-atom nanozymes enable imaging-guided cancer therapy A research team led by Prof. Wang Hui from the Hefei Institutes of Âé¶¹ÒùÔºical Science (HFIPS) of the Chinese Academy of Sciences (CAS), in collaboration with researchers led by Prof. Qian Junchao from HFIPS and Prof. Qu Songnan from the University of Macau, has successfully developed a novel low-coordination single-atom manganese nanozyme using a unique "molecular carbonization-reduction" strategy. /news/2025-05-mn-atom-nanozymes-enable-imaging.html Bio & Medicine Nanomaterials Tue, 06 May 2025 11:04:03 EDT news665748241 Next-generation organic nanozymes offer safe, cost-effective solution for agricultural and food industries Nanozymes are synthetic materials that have enzyme-like catalytic properties, and they are broadly used for biomedical purposes, such as disease diagnostics. However, inorganic nanozymes are generally toxic, expensive, and complicated to produce, making them unsuitable for the agricultural and food industries. /news/2025-02-generation-nanozymes-safe-effective-solution.html Bio & Medicine Thu, 27 Feb 2025 17:07:04 EST news659898422 Nanoparticles offer enhanced treatment for root canal infection with fewer complications 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 Nanozyme targets hypoxic lesions to enhance radiosensitivity in nasopharyngeal carcinoma A collaborative study published on January 21 in Nature Communications presents a novel strategy to improve the effectiveness of radiotherapy for nasopharyngeal carcinoma (NPC). /news/2025-02-nanozyme-hypoxic-lesions-radiosensitivity-nasopharyngeal.html Bio & Medicine Thu, 13 Feb 2025 07:22:04 EST news658653722 Predictive descriptor unlocks high-performance nanozymes for peroxidase-like activity In a new study, Professor Hui Wei and coworkers have introduced a predictive descriptor—t2 occupancy—to guide the design of spinel oxide-based nanozymes with enhanced peroxidase-like (POD) activity. /news/2025-01-descriptor-high-nanozymes-peroxidase.html Analytical Chemistry Materials Science Mon, 20 Jan 2025 11:54:35 EST news656596473 Magnetic nanoparticles with enzymatic activity could improve cancer therapy Researchers at the University of Kentucky are exploring new ways to use nanoparticles in combination with other materials as an innovative approach to cancer therapy. /news/2024-12-magnetic-nanoparticles-enzymatic-cancer-therapy.html Bio & Medicine Mon, 09 Dec 2024 11:38:59 EST news652966736 Antioxidant carbon dot nanozymes alleviate depression in rats by restoring the gut microbiome Depression is a significant challenge to diagnose and treat. Among the factors influencing depression onset and severity, there is growing evidence for chemical imbalances that generate oxidative stress throughout the body. To address this problem, researchers reporting in the journal Langmuir have developed antioxidant carbon dot nanozymes (synthetic enzyme-like substances) that reduced oxidative stress, rebalanced gut microbes and alleviated stress-induced depression in rats. /news/2024-09-antioxidant-carbon-dot-nanozymes-alleviate.html Bio & Medicine Wed, 18 Sep 2024 17:08:06 EDT news645898081 Organic nanozymes have broad applications from food and agriculture to biomedicine Nanozymes are tiny, engineered substances that mimic the catalytic properties of natural enzymes, and they serve a variety of purposes in biomedicine, chemical engineering, and environmental applications. They are typically made from inorganic materials, including metal-based elements, which makes them unsuitable for many purposes due to their toxicity and high production costs. /news/2024-07-nanozymes-broad-applications-food-agriculture.html Biochemistry Materials Science Tue, 30 Jul 2024 12:18:37 EDT news641560711 Scientists develop dual-functional, high-efficiency antimicrobial nanozyme A research team led by Prof. Gao Lizeng from the Institute of Biophysics of the Chinese Academy of Sciences proposed a bactericidal mechanism based on nanozymes that simulate antimicrobial peptides (AMPs) and antimicrobial enzymes (AMEs) according to biomimicry principles, and designed a dual-functional high-efficiency antimicrobial nanozyme. /news/2024-07-scientists-dual-functional-high-efficiency.html Bio & Medicine Wed, 17 Jul 2024 10:39:02 EDT news640431541 Nanozyme-enabled nanodecoys: A new strategy for fighting urinary tract infections Urinary tract infections (UTIs), affecting millions worldwide, are predominantly caused by uropathogenic Escherichia coli (UPEC). These infections are characterized by bacterial adhesion and colonization in the urinary tract, evading host immune responses. Researchers from Nanjing University have recently reported a new approach to combating UTIs through the development of bioinspired nanozymes acting as nanodecoys. /news/2024-03-nanozyme-enabled-nanodecoys-strategy-urinary.html Bio & Medicine Thu, 14 Mar 2024 13:14:02 EDT news629640839 'Artificial tongue' detects and inactivates common mouth bacteria From the fuzzy feeling on your teeth to the unfortunate condition of halitosis, bacteria shape mouth health. When dental illnesses take hold, diagnosis and treatment are necessary, but identifying the microorganisms behind an infection can be a lengthy and expensive process. /news/2024-02-artificial-tongue-inactivates-common-mouth.html Bio & Medicine Nanomaterials Mon, 26 Feb 2024 13:23:51 EST news628176229 Metal-free graphene quantum dots show promise for highly efficient tumor therapy A research group led by Prof. Wang Hui from the Hefei Institutes of Âé¶¹ÒùÔºical Science (HFIPS) of the Chinese Academy of Sciences has introduced a metal-free nanozyme based on graphene quantum dots (GQDs) for highly efficient tumor chemodynamic therapy (CDT). The study is published in Matter. /news/2024-01-metal-free-graphene-quantum-dots.html Bio & Medicine Nanomaterials Wed, 10 Jan 2024 11:00:01 EST news624099325 Researchers develop organic nanozymes suitable for agricultural use Nanozymes are synthetic materials that mimic the properties of natural enzymes for applications in biomedicine and chemical engineering. Historically, they are generally considered too toxic and expensive for use in agriculture and food science. Now, researchers from the University of Illinois Urbana-Champaign have developed a nanozyme that is organic, non-toxic, environmentally friendly, and cost effective. /news/2023-10-nanozymes-suitable-agricultural.html Bio & Medicine Mon, 16 Oct 2023 17:17:03 EDT news616695421 Scientists develop nanozyme mimetic that degrades effluents under sunlight Scientists at the Materials Research Center (MRC), Indian Institute of Science (IISc), have developed a new type of enzyme mimetic that can degrade toxic chemicals in industrial wastewater effectively in the presence of sunlight. /news/2023-10-scientists-nanozyme-mimetic-degrades-effluents.html Bio & Medicine Nanomaterials Tue, 03 Oct 2023 09:34:05 EDT news615544441 Researchers develop minimal nanozymes with carbon dioxide capture capacity Autonomous University of Barcelona (UAB) researchers have developed minimal nanozymes with the capacity of capturing carbon dioxide (CO2) emitted in industrial processes—and applicable to other environmental remediation processes—based on artificial molecular structures formed by the peptides of only seven amino acids. /news/2023-09-minimal-nanozymes-carbon-dioxide-capture.html Bio & Medicine Tue, 26 Sep 2023 09:04:03 EDT news614937842 Carbon-encapsulated magnetite nanodonut proposed for synergistic cancer therapy Using the Steady-State High Magnetic Field Experimental Facility, researchers led by Prof. Wang Hui from the Hefei Institutes of Âé¶¹ÒùÔºical Science of the Chinese Academy of Sciences, in collaboration with researchers from the University of Washington, have constructed a photoresponsive carbon encapsulated magneto nanodonut (CEMNDs) nanoenzyme with dual catalytic activity for photothermally enhanced chemodynamic cancer synergistic therapy. /news/2023-08-carbon-encapsulated-magnetite-nanodonut-synergistic-cancer.html Bio & Medicine Thu, 17 Aug 2023 11:34:03 EDT news611490841 Nano-sized carbon material could be used to treat Down syndrome Scientists at the Texas A&M University Health Science Center (Texas A&M Health) have discovered that a nano-sized carbon material derived from the oxidation of carbon-rich sources could be used to treat Down syndrome and other disorders associated with high levels of hydrogen sulfide. /news/2023-07-nano-sized-carbon-material-syndrome.html Bio & Medicine Nanomaterials Fri, 21 Jul 2023 11:41:26 EDT news609158483 Nanozyme hydrogel: A breakthrough solution for Candida vaginitis treatment A team of researchers from Nanjing University has developed a probiotic nanozyme hydrogel to regulate the vaginal microenvironment for Candida vaginitis therapy. Candida vaginitis, a common fungal infection that affects about 75% of women worldwide, is known for its high recurrence rates and negative impact on women's health. /news/2023-06-nanozyme-hydrogel-breakthrough-solution-candida.html Bio & Medicine Mon, 05 Jun 2023 10:34:54 EDT news605180091 Nanorobotic system presents new options for targeting fungal infections Infections caused by fungi, such as Candida albicans, pose a significant global health risk due to their resistance to existing treatments, so much so that the World Health Organization has highlighted this as a priority issue. /news/2023-05-nanorobotic-options-fungal-infections.html Bio & Medicine Nanomaterials Fri, 26 May 2023 14:41:07 EDT news604330863 Developing smart light traps inspired by photosynthesis Plants use photosynthesis to harvest energy from sunlight. Now researchers at the Technical University of Munich (TUM) have applied this principle as the basis for developing new sustainable processes which in the future may produce syngas (synthetic gas) for the large-scale chemical industry and be able to charge batteries. /news/2023-03-smart-photosynthesis.html Bio & Medicine Nanomaterials Tue, 21 Mar 2023 12:57:04 EDT news598622222 Micelles—the meeting place boosting reactions and interactions The occurrence of chemical reactions between like-charged compounds in aqueous solutions is very slow since particles repel each other. A recent breakthrough published in Nature Communications shows a new way to control chemical reactions by charge neutralization and increase in effective concentrations of reactants. The joint research teams led by prof. Robert HoÅ‚yst from the Institute of Âé¶¹ÒùÔºical Chemistry, Polish Academy of Sciences, discovered that using compounds with a large surface charge density speed up the reactions up to 5-million fold. /news/2023-01-micellesthe-boosting-reactions-interactions.html Biochemistry Analytical Chemistry Tue, 24 Jan 2023 11:11:04 EST news593781061 AI helps researchers design microneedle patches that restore hair in balding mice Hair loss is undesirable for many men—and women—because one's hairstyle is often closely tied to their self-confidence. And while some people embrace it, others wish they could regrow their lost strands. Now, researchers reporting in Nano Letters have used artificial intelligence (AI) to predict compounds that could neutralize baldness-causing reactive oxygen species in the scalp. Using the best candidate, they constructed a proof-of-concept microneedle patch and effectively regenerated hair on mice. /news/2022-10-ai-microneedle-patches-hair-balding.html Bio & Medicine Nanophysics Mon, 31 Oct 2022 14:20:50 EDT news586444848 Researchers design treatment to protect bones during cancer therapy University of Central Florida material sciences engineers Melanie Coathup and Sudipta Seal have designed a cerium oxide nanoparticle—an artificial enzyme—that protects bones against damage from radiation. The nanoparticle has also shown abilities to improve bone regeneration, reduce loss of blood cells and help kill cancer cells. /news/2022-09-treatment-bones-cancer-therapy.html Bio & Medicine Nanomaterials Mon, 26 Sep 2022 15:23:15 EDT news583424592 Near-infrared-triggered nanozyme for synergistic cascade tumor therapy A joint research team led by Prof. Wang Hui, Prof. Zhang Xin and Prof. Qian Junchao from the Hefei Institutes of Âé¶¹ÒùÔºical Science (HFIPS) of the Chinese Academy of Sciences (CAS) has proposed a new kind of near-infrared-triggered nanozyme based on iron oxide nanocrystals embedded in N-doped carbon nanosheets (IONCNs), which is promising for synergistic cascade tumor therapy. /news/2022-08-near-infrared-triggered-nanozyme-synergistic-cascade-tumor.html Bio & Medicine Tue, 30 Aug 2022 08:44:51 EDT news581067887 Inorganic nanozymes acting as therapeutic and contrast agents in MRI and PET scanning The CIC biomaGUNE Molecular and Functional Biomarkers group has developed a rapid, cost-effective, synthetic, microwave method for producing ultra-small manganese ferrite nanoparticles that act as advanced, multimodal contrast agents in magnetic resonance imaging (MRI) and positron emission tomography (PET); they also have intracellular catalytic activity as a result of which an unprecedented reduction in tumor growth can be induced, for materials of this type, in a preclinical model of breast cancer. The results of this research, published by the journal Small, demonstrate that these nanoparticles have robust characteristics for nanobiotechnological applications. /news/2022-03-inorganic-nanozymes-therapeutic-contrast-agents.html Bio & Medicine Wed, 30 Mar 2022 09:30:07 EDT news567851405 'Nanozyme' therapy prevents harmful dental plaque build-up A growing body of evidence points to a link between iron-deficiency anemia and severe tooth decay. Whether the connection is correlative or causative is unknown, though both conditions are associated with poor diets and are more common in people living in impoverished environments and with underlying medical conditions. /news/2021-10-nanozyme-therapy-dental-plaque-build-up.html Bio & Medicine Tue, 26 Oct 2021 03:34:42 EDT news554438078 Antibacterial nanozymes: Healing chronic wounds with nanochemistry Chronic infected wounds are often highly problematic for diabetic patients. However, a team of Chinese researchers has now developed a targeted approach to wound healing that makes use of nanomedicine, and their research has been published in the journal Angewandte Chemie. The researchers were able to deactivate wound-infecting bacteria using a solution of nanocapsules that alter the wound environment and unleash reactive oxygen species. /news/2021-09-antibacterial-nanozymes-chronic-wounds-nanochemistry.html Bio & Medicine Tue, 14 Sep 2021 14:45:33 EDT news550849531 Practical nanozymes discovered to fight antimicrobial resistance Nanozymes, a group of inorganic catalysis-efficient particles, have been proposed as promising antimicrobials against bacteria. They are efficient in killing bacteria, thanks to their production of reactive oxygen species (ROS). /news/2021-03-nanozymes-antimicrobial-resistance.html Bio & Medicine Nanomaterials Mon, 15 Mar 2021 08:10:05 EDT news535014186 Designer nanozymes for reactive-oxygen species scavenging anti-inflammatory therapy In a recent report, Yufeng Liu and a team of interdisciplinary researchers in China developed an integrated nanozyme cascade to eliminate excessive reactive oxygen species (ROS; oxygen free radicals). The nanozyme mimicked superoxide dismutase (a group of enzymes) and incorporated a manganese (Mn)-based metal-organic framework (MOF) to transform oxygen radicals to hydrogen peroxide (H2O2). Using in-lab and in vivo experiments, the team showed the ROS-scavenging potential of integrated cascade nanozymes. As proof of concept, they relieved two forms of inflammatory bowel disorder (IBD)—ulcerative colitis and Crohn's disease using cascade nanozymes as effective treatments. The study provided a new method to construct enzyme-like cascade systems and illustrate the promise of their efficient therapy to treat IBD in vivo. The work is now published on Science Advances. /news/2020-07-nanozymes-reactive-oxygen-species-scavenging-anti-inflammatory.html Bio & Medicine Mon, 27 Jul 2020 09:30:01 EDT news515052806