Articles tagged with Nanoparticles
The study found that silver nanoparticles' protein corona reduces their toxicity by forming silver sulfide nanocrystals, which are non-toxic. In the absence of a soft corona, Ag2S crystals form, precipitating toxic silver ions.
Researchers have demonstrated silicon nanoparticles that can manipulate and switch light, enabling ultrafast all-optical signal processing in optical communication systems. The nanoantennas can transmit, reflect, or scatter incident light in a specified direction, showing potential for high-speed data transmission.
Researchers developed nanoparticles that congregate at injury sites to form blood clots. These particles can cut bleeding time in half and reduce total blood loss, making them a potential game-changer for treating internal bleeding.
Scientists have developed a neuron-targeting nanoparticle that can deliver RNA to damaged brain cells, reducing the impact of chronic conditions like depression and memory problems after TBI. The treatment showed promise in an animal model, with 80% reduction in protein associated with neuronal cell death.
Researchers create ginger-derived nanoparticles that efficiently target the colon, reducing acute colitis, preventing chronic colitis, and enhancing intestinal repair. The particles retain key active constituents found naturally in ginger, showing promising therapeutic effects against inflammatory bowel disease and cancer.
Researchers create functional coatings with microorganism-resistance, self-cleaning and anti-reflecting properties. The new materials have potential for various applications, including seagoing vessels, mobile phone screens and spectacle lenses.
Physicists from UT Arlington are developing a multifunctional platform to integrate imaging and photo-induced cancer therapy in a single, portable device. The BIGLITE device aims to improve the efficacy and safety of photo-induced therapies by precisely killing cancer cells while sparing healthy ones.
Researchers at the University of Copenhagen have developed a method that kills cancer cells using nanoparticles and lasers. The treatment has been tested on mice and shown to be effective in destroying cancer tumors without causing major side effects.
Scientists at the University of Basel have created nanoparticles that can serve as efficient contrast agents for magnetic resonance imaging (MRI). These smart nanoparticles produce significantly more contrast than traditional contrast agents and respond to specific environments.
Researchers at Duke University have created gallium nanoparticles with a unique phase coexistence phenomenon, where the particle core is solid while the outer layer remains liquid. This discovery could lead to breakthroughs in nanotechnology applications, including ultraviolet sensors and molecular sensing devices.
Selecta Biosciences' synthetic vaccine particles have been shown to induce antigen-specific immune tolerance, mitigating the formation of anti-drug antibodies and improving the efficacy and safety profile of biologic drugs. The technology has potential applications in treating rare diseases, allergies, and autoimmune diseases.
University of Pennsylvania researchers have created nanoparticles that use the acidity of tooth decay to kill bacteria in dental plaque and prevent cavities. The treatment, which combines hydrogen peroxide with acid-sensitive nanoparticles, was shown to be highly effective at disrupting biofilms and killing bacteria.
Researchers created complex reconfigurable microrobots that can be manufactured with high throughput, mimicking the behavior of bacteria to deliver drugs or perform precise operations. The robots are soft, flexible, and motor-less, using electromagnetic fields and heat to control their movement.
Scientists from Kazan Federal University and Louisiana Tech University created a 'smart dress' for oil-degrading bacteria by coating them with magnetic nanoparticles. The modified bacteria retained their ability to form biofilms, crucial for attaching to oil droplets in natural environments.
Researchers investigate physical properties of nanoparticles to enhance therapeutic delivery, focusing on size as a critical factor. The study provides valuable insights for generating uniform nanoparticles with high yields and targeted cell uptake.
Researchers have discovered a 'smart' organic nanoparticle called PEARLs that uses heat and light to target and ablate tumours with greater precision. This innovation addresses two bottlenecks in photo-thermal therapy, enabling more effective treatment of cancer with minimal damage.
A new method for extracting, enriching and identifying chemical warfare agents from oils and organic liquids has been developed, using nanoparticles to capture the chemicals. The method can identify agents at low concentrations, overcomes challenges of detecting water-repellent agents, and has potential to save lives.
Researchers have discovered a new class of high thermal conductivity materials that can improve cooling for power electronics and other applications. The silicon dioxide nanoparticles, coated with ethylene glycol, can conduct heat at potentially higher efficiency than existing materials.
Researchers have developed a spinach-like, nanoparticle juice that can help doctors get a better look at the human gastrointestinal tract. The drink, made from chlorophyll-based nanoparticles, has shown promise in improving imaging techniques such as photoacoustic and PET imaging.
A team of University of Florida researchers has successfully used light to grow gold nanoprisms, enabling better control over the growth process. The discovery has significant implications for pharmaceuticals, medical equipment, and solar panels.
Researchers developed nanoparticles that target and deliver chemotherapy drugs to metastatic cancer tumors using radiation guidance. The approach exploits overexpression of P-selectin molecules in human cancers, allowing for selective tumor penetration.
Researchers at University of Houston discovered a graphene-based Janus amphiphilic nanosheet that achieves 15 percent tertiary oil recovery at a low concentration of 0.01 percent, comparable to expensive methods. This breakthrough makes the process more environmentally friendly and cost-effective.
A Northwestern University research team has developed a tool to rapidly test millions of nanoparticles at once, similar to gene chips in biology. The combinatorial library approach enables scientists to quickly identify the best nanoparticle size and composition for various applications.
Researchers discovered two unique structures for gold nanocluster Au144(SR)60, a previously known material, using advanced data analytics. This finding suggests the existence of polymorphic nanoparticles with different properties.
Researchers have designed DNA frames to connect nanoparticles into precisely structured lattices, enabling the creation of nanomaterials with tailored properties. The team's method uses DNA origami to self-assemble particles into desired shapes, reducing dependence on particle modification.
Researchers at Okinawa Institute of Science and Technology Graduate University have discovered a unique copper-silver nanoparticle structure resembling the Japanese glass fishing floats, known as ukidama. The 'ukidama' structure has properties that could be utilized in biomedical devices and nanotechnology.
Australian researchers have developed a method to embed light-emitting nanoparticles into glass without losing their properties. The new 'hybrid glass' combines nanoparticles' luminescence with glass' transparency and versatility, opening up possibilities for ultra-high-tech applications like biological sensing and 3D displays.
Researchers found that dentin's mechanical coupling between collagen protein fibers and mineral nanoparticles allows it to withstand extreme forces. The nanostructure design enables dentin to last longer than synthetic filling materials.
A U of T Engineering team has designed a simpler way to keep therapeutic proteins localized for long periods. They found that proteins can be released over several weeks without encapsulation by controlling electrostatic interactions between proteins and nanoparticles.
Researchers at MIT have developed an algorithm that can build complex DNA nanoparticles automatically, allowing for a broader range of applications in fields such as vaccine development and gene editing. The algorithm, known as DAEDALUS, can build any type of 3D shape with a closed surface, including shapes with holes.
Researchers developed a dual nanoparticle delivery system for piperlongumine and TRAIL, demonstrating increased therapeutic efficacy in vitro and in vivo. The system sensitizes cancer cells to TRAIL, leading to higher apoptotic rates and improved anti-cancer effects.
Researchers at ORNL have demonstrated a scalable method to produce semiconducting nanoparticles using bacteria-fed sugar at temperatures below 150 degrees Fahrenheit. This approach reduces production costs by approximately 90 percent compared to conventional methods, making it attractive for applications in electronics, displays, solar...
Researchers at Lomonosov Moscow State University develop nanoparticles that can efficiently penetrate into cancer cells, emitting light to aid in early diagnosis. The particles can also be used as targeted drug delivery systems, offering a promising approach for cancer treatment.
A new gene therapy has been developed to repair lungs damaged by chronic allergic asthma, reducing inflammation and improving airway structure and function. The study used a novel biodegradable platform to deliver the thymulin gene therapy, showing effective results in mice with experimental asthma.
Research highlights the effects of nanoparticles on platelet activation and plasmatic coagulation, a complex process essential for human life. Studies demonstrate that nanoparticles can alter hemostasis in various diseases, such as cancer and diabetes, emphasizing the need for thorough testing and regulation.
Scientists created a way to make tissues and organs clearer by linking molecules together, leaving lipids that cause opacity intact. This breakthrough allows tracking of nanoparticles at depths of over 1 millimeter, enabling better understanding of interactions with tumors and organs.
Researchers developed a technique to visualize lithium ion battery discharge mechanisms in nanosized iron-oxide material, revealing the intercalation and conversion reactions that occur during lithiation. The study provides insights into how to improve battery performance and increase their longevity.
Researchers found that six genes, including four from a peroxiredoxin family, were affected by titanium dioxide nanoparticles in human HeLa cells and monkey kidney cells. The effect was seen after 24-hour exposure, with changes of about 50% in enzyme expression.
Researchers investigate the interaction of nucleotide chains with metallic nanoparticles in carbon nanotubes using hybrid molecular dynamics simulation methods. The study highlights the potential of these systems for designing electronic diagnostic tools and drug delivery systems.
Researchers have developed nanoparticles that deliver antiobesity drugs directly to fat tissue, transforming white adipose tissue into brown and stimulating angiogenesis. The treatment resulted in a 10% weight loss in mice without adverse side effects.
Researchers at Washington University in St. Louis have found a way to improve the growth of protein-rich bean crops by using zinc oxide nanoparticles, reducing the need for rock phosphorus fertilizer. The nanoparticles increase nutrient uptake and enzyme activity, leading to a lesser need for external phosphorus application.
Researchers have developed zinc-oxide nanoparticles that can prevent the herpes simplex virus from entering cells and stimulate natural immunity to develop. The particles, called ZOTEN, work by attracting the virus and allowing immune cells to process it.
A biodegradable nanoparticle acts like a Trojan horse to convince the immune system not to attack an allergen, shutting down allergic reactions and preventing asthma attacks. The technology also shows promise in treating food allergies.
Drexel University researchers developed a strategy to overcome biological barriers in cancer medication delivery. By decorating nanovehicles with enzymes and adding an extra layer of polyethylene glycol, the particles can penetrate solid tumors more effectively, increasing antitumor efficacy.
Researchers developed nanoparticles that target CD98, a glycoprotein promoting inflammation in IBD. These particles showed anti-inflammatory capacity without toxicity, offering an alternative treatment to existing medications.
Researchers at Kansas State University have developed a method to capture X-ray images of nanoparticles in femtosecond sequences, providing insights into their interactions with intense laser light. The technique has applications in understanding aerosol formation, climate models, and the development of optoelectronics.
Scientists at the University of Helsinki and Okinawa Institute of Science and Technology have successfully grown iron nanoparticles in a cubic shape. The researchers used a mathematical model to understand the mechanisms behind this phenomenon, which is thermodynamically unexpected.
Scientists developed triple-stage nanoparticles that improve tumor penetration and release cisplatin in acidic conditions, enhancing its efficacy while reducing toxic side effects. The delivery system demonstrated significant improvements in anti-tumor activity against various cancer models.
Researchers developed a new technique using nanoparticles that deliver therapeutic payloads and glow green when cancer cells begin dying. This allows for early detection of treatment effectiveness, potentially improving patient outcomes and quality of life.
A novel nanotechnology-based approach detects c-myc mRNA biomarkers for early-stage colon cancer diagnosis. The technique uses peptide nucleic acid/silver nanoparticles to induce a reversible color change.
Researchers at Caltech demonstrate that nanoparticles can selectively target tumors while leaving adjacent healthy tissue intact. The study's findings suggest the presence of the EPR effect in humans, which could lead to more effective cancer therapies with fewer side effects.
Scientists discovered a novel metal-binding activity in MamO, a protease that helps build magnetic nanoparticles using a unique motif. The study found that this process has evolved convergently throughout the evolution of magnetosomes.
Researchers have discovered a way to create biodegradable packaging materials by infusing eggshell nanoparticles into a blend of polybutyrate adipate terephthalate and polylactic acid. The addition increases the material's flexibility, making it suitable for retail applications such as grocery bags and food containers.
Dr. Nadja Spitzer, an assistant professor of biological sciences at Marshall University, has been awarded a $508,708 NSF CAREER grant to study the effects of silver nanoparticles on brain health in children and adults. Her research aims to fill the knowledge gap regarding the use of these particles in consumer products.
Researchers have developed a synthetic nanoparticle that can simultaneously detect and treat atherosclerotic plaques, offering new hope for preventing deadly heart attacks and strokes. The nanoparticles use MRI to visualize plaque buildup and trigger a therapeutic response.
The IBS team developed a graphene-semiconductor catalytic nanodiode that enables the detection of hot electrons on platinum nanoparticles in real time. This breakthrough allows researchers to study the electronic effect on catalytic activity and potentially design improved catalytic materials with lower costs.
Researchers have elucidated new factors influencing particle deposition via solvent evaporation, crucial for microchip production. The study found that interplay between solvent convection and nanoparticle collective diffusion governs particle recede at contact lines.
Researchers developed a nanoparticle technology called Salipro to stabilize membrane proteins in a lipid environment, allowing for high-resolution studies of their structure and function. This enables the discovery of new drugs, therapeutic antibodies, and vaccines targeting these proteins.
Researchers from the Center for Nanoparticle Research design a novel therapeutic agent capable of impeding neuronal cell death associated with Alzheimer's disease. The treatment targets mitochondrial dysfunction and oxidative stress, offering new hope for treating this debilitating neurodegenerative disorder.
Researchers at the University of Toronto have developed shape-shifting nanoparticles that can target and deliver cancer drugs to specific tumor types. The system uses modular particles attached to DNA sequences to gain access to diseased tissue, minimizing collateral damage.