Articles tagged with Nanoparticles
A team of scientists at Aalto University has created a bio-based transparent film from lignin nanoparticles, offering an alternative to toxic synthetic materials. The coating can be used on glasses, windshields, and other surfaces, and also displays coloured films with structural colours.
The study found that magnetite nanoparticles enhanced the breakdown of PCB15 by 42% and 84% after 3 and 5 days, respectively. Fungal-mineral samples showed uneven distribution on hyphal surfaces, suggesting a synergistic effect.
Researchers developed a new catalyst using bismuth selenide, a topological insulator, to synthesize organoureas at room temperature with almost 100% yield. The catalyst's unique properties allow for stable surface states and recyclability.
Researchers at Cleveland Clinic have developed a potential vaccine candidate against Dabie Bandavirus using nanoparticles, which can deliver antigens at a lower dose with fewer side effects. The vaccine has shown promise in pre-clinical studies and could provide protection to adults over 50, who are most vulnerable to the virus.
A research team at Göttingen University has developed plasmonic molecules from nanoparticles using a novel process that precisely arranges the particles. This breakthrough enables the creation of large quantities of these compounds, which can be used for various functions in nanotechnology.
University of Oklahoma faculty members Vivek Bajpai, John R. Clegg, and Stefan Wilhelm have received NIH funding to study epigenetic mechanisms driving human pigmentation diversity and brain-resident immune cell phenotypes in brain damage associated with inflammatory disease.
Researchers at MIT and partners have discovered that variations in lithium ion flow rates are correlated with differences in carbon coating thickness, which could lead to improved battery efficiency. This technique allows for the extraction of insights from nanoscale data, offering potential applications beyond battery technology.
Researchers found that AvrE/DspE family proteins, used by plant pathogens to cause disease, fold into a straw-like structure with a water channel. This discovery could lead to the development of new methods to disarm these proteins and prevent crop damage.
Scientists at IISc have developed hybrid nanoparticles that can kill cancer cells using heat and enable their detection using sound waves. The nanoparticles combine the photothermal and oxidative stress properties of gold and copper sulphide, making them a promising approach for early detection and treatment.
Researchers developed nanoparticles that accumulate in cancer cells and eliminate them after photoactivation, also labeling immune cells to target similar cells throughout the body. This technology has shown promise in treating mice with implanted human tumor cells and could lead to a new treatment approach for metastatic cancers.
A team of Chinese and UK researchers has identified superoxide dismutase 1 (SOD1) as a potential target for reversing drug resistance in ovarian cancer. By using nanoparticles to deliver siRNA that reduces SOD1 levels, the study showed reduced growth and decreased resistance to cisplatin in female mice.
Researchers at Iowa State University have created synthetic catalysts that mimic natural enzymes to break down cellulose in plant biomass. These nanoparticle catalysts can be reused multiple times, overcoming the limitations of natural enzymes, which are expensive, unstable, and difficult to recycle.
Researchers have developed novel liquid metal nanoparticles that combine photothermal therapy with immunotherapy, demonstrating high specificity and low side effects. The nanoparticles can target and destroy cancer cells while also stimulating the immune system to fight against tumors.
Macquarie University engineers have developed a new technique to make nanosensors using a single drop of ethanol, bypassing the need for high temperatures. The method improves efficiency and responsiveness, opening up new possibilities for the trillion-dollar global industry.
Researchers create accurate tumor models using 3D bioprinting and a bioink made from Laponite, improving bonding and cross-linking capabilities. The study shows that Laponite enhances biological signaling in the tumor microenvironment, increasing cell viability and promoting anti-tumor drug development.
A breakthrough treatment targeting bone marrow cancer cells destroyed 90% of multiple myeloma cells in laboratory tests and 60% in human tissue samples. Researchers developed lipid-based nanoparticles containing RNA molecules that silence the CKAP5 gene, inhibiting cancer cell division.
Researchers discovered that nickel-cobalt alloy nanocrystals inhibit the activation of three inflammasomes, including NLRP3, NLRC4, and AIM2, in primary macrophages. The study found that these nanocrystals effectively treated colitis and acute peritonitis by reducing disease symptoms.
Researchers developed a novel drug delivery system using polymersomes to target embryonic cells, reducing the need for higher doses of methotrexate. This breakthrough has promising results for managing ectopic pregnancies, potentially improving patient outcomes.
Researchers at the University of Missouri have developed a new type of nanoclay material that can be customized to perform specific tasks. This breakthrough could lead to advances in fields such as medical science, environmental science, and more.
Researchers investigate how water molecules react with or on nanoparticle surfaces in aqueous solutions. They found that acidic conditions cause water molecules to split on hematite nanoparticles, while basic pH is required for anatase nanoparticles.
Researchers at NUS developed a new photodynamic therapy that selectively kills breast cancer cells without damaging surrounding tissues. The treatment uses a biocompatible silicone implant loaded with nanoparticles activated by near-infrared light, reducing the risk of toxicity and improving tumour control.
Researchers developed nanoparticles that mimic the glycocalyx pattern to treat inflammatory bowel disease. The treatment reduced symptoms and inflammation in mice with IBD, with specific versions showing significant improvement.
Scientists have teamed up to improve drug delivery by designing more effective lipid nanoparticles. Their latest study documents how high-throughput workflows can produce and characterize LNPs at record speed, with neatly ordered structures leading to better silencing of faulty genes in human neurons.
Researchers from Shinshu University develop a novel polymer interlocking mechanism to produce tough and additive-free latex films. The rotaxane-based strategy results in unusual crack propagation behavior, increasing tear resistance and preserving flexibility.
Researchers developed a fast and convenient method called polarized imaging dynamic light scattering (PIDLS) to evaluate nanoparticle size, morphology and distributions. The method uses optical sphericity to describe the degree of deviation from spheres and provides statistical morphological distribution.
A team of chemists at UC Riverside has discovered that the distribution of a magnetic field is itself chiral, allowing for the rapid formation of chiral structures. This method has potential applications in sensing and anti-counterfeit technology, such as detecting chiral or achiral molecules linked to certain diseases.
A study by the University of Helsinki found that oxidized organic molecules from Amazon rainforests contribute to the formation of aerosol particles in the tropical free troposphere. These molecules, primarily composed of isoprene, can nucleate or condense on nanoparticles, impacting cloud formation and global climate.
Researchers developed a biodegradable nanoparticle that reaches dendritic cells in mice with melanoma and colon cancer, activating an immune response. The nanoparticle improves survival rates for these cancers, with half of mice surviving long-term after treatment.
Researchers have developed a new approach to treating tumors using 'self-immolative' polyferrocenes that trigger a fatal cycle of oxidative stress in cancer cells. In experiments, these copolymers inhibited tumor growth with negligible side effects, offering potential for chemodynamic therapy.
Researchers have created an RNA nanoparticle therapy that disables the pathways through which multiple myeloma cells travel, stopping their spread. The therapy targets the microenvironment of the cancer and prevents the production of a protein that attracts cancer cells to blood vessels.
Researchers at Karolinska Institutet have developed a new method called single-particle profiling (SPP) to study bioparticles in health and disease. The SPP enables the measurement of thousands of particles between 5 and 200 nanometres in size, with potential applications in vaccine development and creating more effective nanocarriers.
Researchers have developed a therapy using nanocarriers engineered from adult skin cells that curb inflammation and tissue injury in damaged mouse lungs. The treatment has shown promise for treating acute respiratory distress syndrome (ARDS), a condition that leads to respiratory failure and puts patients on ventilators.
Researchers have developed a fully photostable and photoswitchable nanoparticle that can be controlled indefinitely using near-infrared light. This breakthrough has the potential to revolutionize fields such as optical memory, super-resolution microscopy, and bioimaging.
Researchers at Ulsan National Institute of Science and Technology have made a breakthrough in creating ultra-photostable avalanching nanoparticles that can perform unlimited photoswitching. This achievement has significant implications for fields like optical probes, 3D optical memory, and super-resolution microscopy.
Ben-Gurion University researchers have discovered a new principle in optics using the Pacific Cleaner Shrimp, leading to the creation of an ultra-thin and highly efficient whitening material. The study found that the shrimp's unique arrangement of molecules creates birefringent nanospheres with brilliant whiteness.
Researchers have identified a new mechanism of communication between fat cells, opening up avenues for novel obesity treatments. The discovery centers on tunnelling nanotubes, which allow distant cells to communicate directly and transfer cargos.
A new edible CBD coating has been developed to increase the shelf life of strawberries by reducing microbial growth. The coating, made with encapsulated CBD nanoparticles, was found to preserve berries for up to 15 days while maintaining their color and antioxidant activity.
Research finds that E171 nanoparticles are rapidly absorbed through the buccal cavity, causing oxidative stress and damaging DNA in human oral epithelial cells, potentially affecting cell regeneration
Researchers discovered that air pollution particles trigger autophagy, a cellular defense process, which has an upper threshold and may reduce its effectiveness against other threats. This finding provides new insights into the link between air pollution and lung disease.
A novel protein nanoparticle vaccine candidate using adjuvants has been developed to boost effectiveness against viral infections. The study found that the vaccine provided complete protection against influenza viral challenges.
Researchers at Northwestern University developed a metal-filtering sponge that can capture and recover critical metals and heavy-metal pollutants from contaminated water. The new sponge successfully removed lead to below detectable levels with one use and recovered over 90% of the ions during subsequent cycles.
A team of researchers from the University of Oklahoma and Yale University has developed a super-resolution imaging platform technology to visualize nanoparticles within cells. The technique, called expansion microscopy, enables 3-D imaging with resolutions as low as 10 nanometers, allowing for safer and more efficient nanomedicines.
A new study reveals a shared molecular response to nanoparticles, linking immune activation and particulate matter exposure. The findings propose a solution to the 'one-chemical-one-signature' problem in chemical safety assessment.
Scientists have developed a new method to deliver genetic information to stem cells using nanoparticles coated with a specific polymer, enabling more efficient control over cellular differentiation. This innovation has the potential to improve the efficiency and effectiveness of regenerative medicine treatments.
Researchers from TIFR Hyderabad create molecular strainers that can filter particles as small as hydrogen molecules, offering a new basis for designing more efficient filtration processes. The study's findings provide insights into the movement of molecules through sieves and open up avenues for further exploration in industries.
Researchers at the University of Minnesota have developed a new diagnostic technique called Nano-QuIC, which significantly improves protein-misfolding detection methods. The method reduces detection times from 14 hours to just four hours and increases sensitivity by a factor of ten.
Researchers have developed a new approach to constructing thermoelectric modules using silver nanoparticles, enabling efficient energy conversion and operation across various temperatures. The discovery is expected to accelerate the development of advanced modules for power generation and other applications.
Researchers demonstrate probabilistic computing's capabilities by simulating networks of stochastic nanodevices to solve specific NP problems. The simulations agree with theoretical solutions, indicating the potential for scaling up this approach.
A new type of floatable photocatalytic platform composed of hydrogel nanocomposites efficiently proceeds hydrogen evolution reaction. The platform exhibits clear advantages over conventional systems, including efficient solar energy conversion and easy gas diffusion.
Scientists have identified a novel mechanism of gel formation in synthetic polymers, which leads to the creation of worm-like structures. This breakthrough has significant implications for biofabrication and could lead to the development of new medical implants, contact lenses, and other applications.
Physicists at ANU developed nanoparticles to increase the frequency of light that can be seen by cameras, enabling analysis of tiny objects down to one billionth of a meter. This technology could help create microscopes with higher resolution and mitigate issues associated with conventional optical and electron microscopy.
A two-component system designed by MIT engineers has shown promising results in stopping internal bleeding in mouse models. The system, which mimics the body's natural clotting process, uses a nanoparticle and polymer to recruit platelets and form blood clots at injury sites.
Researchers in China developed a method to increase the efficacy of membrane separation technology using nanofibrous membranes with silver nanoparticles. The technology is up to 99% effective at separating oil from water, promoting a stable hydration layer that impedes oil droplets and enhances antibacterial properties.
Researchers at EPFL have developed a novel imaging technique using cryogenic transmission electron tomography and deep learning to visualize the nanostructure of platinum catalyst layers in fuel cells. This breakthrough reveals the heterogenous thickness of ionomer, a crucial component that influences catalyst performance.
Researchers have developed a novel insulin formulation that can be switched on by glucose, offering improved regulation of blood sugar levels in patients with type 1 diabetes. The new formulation uses biocompatible lipid nanoparticles and achieves precise control of insulin release in response to fluctuations in blood sugar.
Researchers at Tokyo University of Science have developed a novel platinum nanocluster catalyst that exhibits 2.1 times higher oxygen reduction reaction activity than commercial catalysts. The study reveals that the high activity is due to the electronic structure of surface Pt atoms, which is suitable for ORR progress.
Researchers at Tokyo Institute of Technology developed a simple sol-gel method to synthesize highly pure bifunctional solid acid-base catalysts with desirable properties. The new method produces SrTiO3 nanoparticles with high surface area, showing 10 times higher catalytic activity than commercially available titanates.
Researchers developed a chelator-free-radiolabeled polymersome capable of long-term multiday PET imaging in vivo. The nanovesicle meets key requirements for targeted cancer therapy, including precision targeting, stable radiotracer binding, and biocompatibility.
A new type of meta-optics, developed at Harvard, has been successfully tested at Graz University of Technology, allowing the observation of ultra-fast physical processes. The lens uses extreme ultraviolet radiation to track charge carriers in space and time, enabling optimization of modern transistors and optoelectronic circuits.
A novel Cu-based catalyst with improved catalytic performance for CO2 reduction has been developed by leveraging strong metal-support interactions and defect sites cooperativity. The DFNS/TiO2-Cu catalyst showed excellent activity and stability, outperforming other copper-based thermal catalysts.