Articles tagged with Nanoparticles
Researchers create silver nanoparticles infused with azithromycin that effectively break down biofilms and unveil a new sensing method to assess antimicrobial activity. The novel approach offers a promising solution against antibiotic-resistant bacteria, with potential applications in coating medical devices.
Researchers have developed a cost-effective and easily reproducible point-of-care testing device that can accurately measure cortisol levels in the blood. The device uses iridium oxide nanoparticles to improve stability, sensitivity, and selectivity, allowing for commercial use.
Researchers have developed a novel nanoparticle drug-delivery system to activate an immune pathway in combination with tumor-targeting agents, showing promising results in treating pancreatic cancer. Eight out of nine mice tested experienced tumor improvements, including two complete responses.
A temporary heart stimulator self-assembles around the heart after injecting nanoparticles, correcting irregular heartbeats and facilitating ECG measurements. The device can operate for up to five days with low power inputs from handheld devices like mobile phones.
A study on cerium oxide nanoparticles reveals significant alterations in freshwater algae growth, photosynthetic activity, and gene expression due to repeated exposure. The findings suggest increased oxidative stress levels and decreased biomass, indicating potential long-term ecological consequences of nanoparticle exposure.
Researchers at the University of Cincinnati are developing a new technology using magnetic nanoparticles to deliver medications directly to the inner ear, where hearing loss occurs. The goal is to create an effective and minimally invasive treatment option for various types of hearing loss.
A new SERS microfluidic system was developed by Shanghai Jiao Tong University researchers, achieving a detection limit lower than 10 ppt of harmful substances. The system uses femtosecond laser-induced nanoparticle implantation into flexible substrate for sensitive and reusable microfluidics detection.
Scientists develop X-ray photon correlation spectroscopy technique to analyze complex fluctuations in soft matter nanoparticles. This method allows determining transport coefficient, essential for understanding soft matter's flow properties and behavior over time.
Researchers at Stanford University developed a nanoparticle platform to make vaccines more effective against various pathogens. The platform allows for the elicitation of different immune responses, enabling the identification of the most effective type of protection.
Angel Martí, a professor at Rice University's Wiess School of Natural Sciences, has been elected a fellow of the American Chemical Society. He was recognized for his outstanding scientific achievements and service to the society, including leading research on Alzheimer's disease and developing new treatments.
Researchers developed a method to produce cobalt nanoparticles with controlled crystal phase, leading to higher selectivity and efficiency in hydrogenation reactions. The study showcases the potential of abundant cobalt as an alternative to noble metal catalysts.
This study successfully synthesized eco-friendly copper oxide nanoparticles from Mangifera indica leaf extract, demonstrating potent antibacterial and antifungal activities. The green synthesis method holds significant value for agriculture, potentially enhancing crop productivity and sustainability.
Researchers have created nanoparticles that can release drugs in multiple stages, allowing for more precise targeting of specific sites in the body. This technology has the potential to enhance the effectiveness of therapeutics and reduce side effects, paving the way for new treatments and improved patient care.
Researchers at Osaka Metropolitan University have developed a new laser-induced forward transfer technique using optical vortex to print magnetic ferrite nanoparticles with high precision. The resulting crystals exhibit helix-like twisted structures that can be controlled by changing the optical vortex's helicity.
Researchers explore nanocarriers to enhance crop sustainability and resilience to climate change, addressing issues like rising food demand and soil degradation. The study's findings suggest potential for nano-enabled precision delivery in plants to transform agriculture.
The team created microbeads that emit various colors of light depending on the illuminating light and bead size, offering a wide range of applications. The use of plant-derived materials allows for low-cost and energy-efficient synthesis, making them an attractive alternative to conventional luminescent devices.
Researchers at the University of São Paulo developed a novel approach to monitoring quantum dot formation, enabling real-time control over nanoparticle growth and precise emission color. This technique has several advantages over conventional synthesis strategies, including reduced waste and improved equipment efficiency.
Researchers studied Chang'e-5 samples to understand how solar wind irradiation and micrometeorite impacts form metallic iron nanoparticles, revealing distinct effects on size and optical properties. The study provides insights into lunar surface color variations and remote sensing measurements.
A team of engineers has created a new mathematical model to accurately simulate the effects of blood flow on the adhesion and retention of nanoparticle drug carriers. The model, developed by University of Illinois professors Arif Masud and Hyunjoon Kong, was tested in vitro and demonstrated promising results.
Engineers have developed a pill that releases microscopic robots to treat inflammatory bowel disease (IBD) in mice. The treatment significantly reduces IBD symptoms and promotes the healing of damaged colon tissue.
Researchers at IBS have developed a damage-free dry transfer printing technique for flexible electronic devices, overcoming existing challenges such as the use of toxic chemicals and mechanical damage. The new method allows for high-quality electronic materials to be transferred to flexible substrates without damage.
Xiaohu Xia's research focuses on enhancing diagnostic efficacy of enzyme-linked immunosorbent assay (ELISA) testing using specially tailored nickel-platinum nanoparticles. His goal is to improve disease detection accuracy by more than 300 times, enabling early diagnosis of cancers like prostate and colorectal cancer.
Researchers at Brigham and Women's Hospital have developed a new nanomedicine therapy that delivers anticancer drugs to lung cancer cells and enhances the immune system's ability to fight cancer. The therapy shows promising results in cancer cells in the lab and in mouse lung tumor models, with potential applications for improving care...
Researchers developed microscopic robots that swim through lungs to deliver cancer-fighting medication directly to metastatic tumors. The approach inhibited tumor growth and spread, improving survival rates compared to control treatments.
Scientists at Hokkaido University have created a new technique for building nanoparticles using enzymes, enabling the production of various nanomaterials with controlled size and properties. This method has potential applications in technology, medicine, and quantum computing.
Research suggests nanoparticles can disrupt placental function and affect embryonic development, leading to potential health issues such as low birth weight and respiratory diseases. The study used human placentas and found that nanoparticles can inhibit blood vessel formation via messenger substances.
Researchers at UTEP have developed a new therapeutic approach to treat skin and lung fibrosis by targeting and rehabilitating cells responsible for the disease. The nanoparticles successfully modified the cells to stop producing excess collagen, offering hope for improved treatments and enhanced quality of life.
Researchers highlight strategies for improving agriculture with nanotechnology, including targeted delivery of pesticides and herbicides, and digital twin simulations. These approaches aim to reduce environmental pollution and increase crop resilience.
Researchers have discovered that a platinum nanoparticle catalyst can assemble and disassemble itself during reaction and post-reaction conditions. This reversible process may offer clues to the catalyst's stability and recyclability, with potential benefits for controlling long-term stability.
Researchers have developed a new perovskite-based camera inspired by the structures and functions of bird's eyes, specializing in object detection. The camera features an artificial fovea and multispectral image sensor that detects UV and RGB light, providing greater motion detection capabilities than conventional cameras.
Researchers have designed a method to 'cloak' proteins for targeted delivery into cells, utilizing lipid nanoparticles. The cloaked proteins can be captured by the nanoparticles and exert their therapeutic effect once inside the cell. This approach shows promise for repurposing antibodies and other proteins for cancer treatment.
The review highlights the superior safety and efficacy of nanoparticle vaccines, which have shown potential in protecting against diseases like foot-and-mouth disease and swine fever. These nanovaccines harness the power of nanotechnology to revolutionize vaccine design and implementation.
The study reveals sulfur trioxide can form acid sulfuric anhydride products with organic and inorganic acids, contributing to atmospheric new particle formation. These findings improve aerosol formation prediction models, aiding in managing air pollution and mitigating climate change impacts.
Researchers at Rice University developed a new material that mimics skin elasticity and motion types while preserving signal strength in electronics. The material, made by embedding ceramic nanoparticles into an elastic polymer, stabilizes radio-frequency communication and minimizes energy loss.
Researchers apply hydrophilic polymer coating to nanoparticles, reducing accumulation and toxicity in Caenorhabditis elegans. The coating mitigates NP bioavailability, promoting eco-friendly nanomaterials for environmental remediation.
A plant virus treatment, composed of cowpea mosaic virus nanoparticles, has shown remarkable success in improving survival rates and suppressing the growth of metastatic tumors across various cancer models. The treatment was effective even after surgical removal of tumors, indicating its potential to prevent metastasis.
Researchers at Oregon State University discovered that the shape and surface chemistry of silver nanoparticles significantly impact their environmental toxicity. The study, published in Nanomaterials, found that certain formats can preserve beneficial properties while limiting negative effects.
The study found that an 80% concentration of zirconium dioxide (ZrO2) and specific solvents leads to the highest pattern transfer efficiency. The conversion efficiency reaches impressive levels in the ultraviolet spectrum, paving the way for commercial viability of metasurfaces.
Scientists discovered that Cu nanoparticles supported on γ-Al2O3 surfaces can redisperse spontaneously at room temperature due to hydroxylation and formation of Cu-OH species. The O2 and H2O led to the transformation of Cu atoms into single atoms, enhancing catalytic activity in RWGS and CO-PROX reactions.
Researchers at Gwangju Institute of Science and Technology develop a new nanotechnology method that enables the creation of uniform, wafer-scale nanoparticle assemblies in just seconds. The 'mussel-inspired' technique accelerates assembly by introducing excess protons to increase electrostatic attraction.
Researchers at Oregon State University have developed a novel device that can improve the delivery of gene therapy for patients with inherited lung diseases such as cystic fibrosis. The device uses aerosolization technology to carry messenger RNA to patients' lungs, reducing shear stress and improving precision.
Researchers developed a new 'proactive vaccinology' approach to build vaccines before disease-causing pathogens emerge. The Quartet Nanocage vaccine trains the immune system to target specific regions of eight coronaviruses, providing broad protection against known and unknown strains.
Researchers at Sylvester Comprehensive Cancer Center have developed a nanoparticle that can penetrate the blood-brain barrier, potentially targeting both primary breast cancer tumors and brain metastases in one treatment. The method shows early promise in preclinical models, where it shrinks breast and brain tumors.
Researchers analyzed asteroid Ryugu samples to study magnetic and physical bombardment environment in interplanetary space. The investigation revealed changes likely caused by micrometeoroid bombardment, providing insights into the solar system's early stages.
Researchers have discovered that rice bran-derived nanoparticles exhibit strong anticancer effects, selectively targeting cancer cells while sparing healthy tissue. The nanoparticles reduced tumor growth and inhibited metastatic cell growth in mice models.
Researchers from the Institute for Basic Science created QLEDs using a ternary nanocomposite film that enhances carrier delivery to quantum dots, resulting in optimal device performance. The devices exhibit high brightness and low threshold voltage, with no damage when stretched up to 1.5 times.
A new 'rechargeable nanotorch' allows researchers to track the movement of cell-based microrobots in real-time, using afterglow luminescence imaging. The nanotorches can be recharged non-invasively with near-infrared light, enabling long-term tracking and potential applications in cancer treatment.
Researchers have developed protein-based nanoparticles that target and destroy specific cancer cells, providing a more efficient treatment option. This technology uses natural secretory granules found in the endocrine system to deliver proteins over an extended period.
Purdue University researchers create biocompatible nanoparticles modified with ATP that slowly release anti-cancer drugs and recruit immune cells to fight tumors. In mouse studies, these nanoparticles improved the effectiveness of paclitaxel against various types of cancers, including those in distant locations.
Researchers at Stanford University have successfully 3D printed tens of thousands of Archimedean truncated tetrahedrons, a geometry predicted to produce promising new materials that can change form in an instant. These nanoparticles can shift between states rapidly by rearranging particles into new geometric patterns.
Researchers developed a self-cleaning wall paint using waste-valorized titanium oxide nanoparticles, which can bind and break down pollutants, and then degrade them when exposed to sunlight. The paint combines several advantages, including air pollutant removal, longer durability, and reduced production costs.
A new study by Duke University researchers provides fundamental insights into autoimmune diseases, including systemic lupus erythematosus. They developed a system to test how DNA attached to nanoparticles interact with the immune system, revealing that larger nanoparticles provide more protection for DNA.
The Indian Institute of Science team developed a novel technique to fabricate structurally colored films with a liquid gallium metal and polydimethylsiloxane substrate. These films change color in response to mechanical deformation, showing potential applications in smart bandages, movement sensors, and reflective displays.
Researchers developed nanoparticles that effectively halt amyloid beta aggregation and toxicity using ultra-low-energy X-rays. The innovative treatment strategy shows promise in delaying disease progression by up to 36% in preclinical models.
A new nanoparticle-based therapy using Luminol-conjugated cyclodextrin (LCD) nanoparticles has shown significant improvements in treating severe burn-induced intestinal barrier disruption. The therapy promotes the repair and regeneration of tight junction structures, reducing inflammation and oxidative stress.
Scientists have created a new approach for treating tendon-bone injuries by combining manganese silicate nanoparticles with cells to create an immunomodulatory scaffold. This innovation promotes integrated regeneration and functional recovery in patients, offering a promising solution for improving life quality.
Researchers developed a GPS nanoparticle platform that can home in on cancer cells to deliver gene-editing tools, targeting the protein implicated in tumor growth and spread. The technique may offer a more precise and effective treatment for notoriously hard-to-treat basal-like breast cancers.
Researchers at the University of Virginia Health System are developing a technique to 'paint' tiny nanoparticles on transplanted veins to prevent blockages, potentially sparing patients from repeated surgeries. This approach could significantly reduce the number of vascular reconstructions performed annually in the US.
The Access to Advanced Health Institute (AAHI) has received $12.7 million to develop a novel immune-stimulating adjuvant formulation, NanoAlum, which aims to improve vaccine protection against complex diseases like tuberculosis and influenza.
Researchers at MIT have developed a new type of nanoparticle that can both deliver vaccines and act as an adjuvant to generate a strong immune response. The particles, called metal-organic frameworks (MOFs), were shown to be effective in delivering the SARS-CoV-2 spike protein and boosting the immune system's response.