Articles tagged with Nanoparticles
Researchers developed a nanoparticle-based approach that uses photoacoustic imaging and infrared light to detect and potentially treat ectopic pregnancies. The technology shows promise in mice studies and may offer a non-invasive and effective way to improve diagnosis and treatment of the condition.
Ectopic pregnancies are non-viable and the leading cause of maternal death in the first trimester, affecting 2% of all pregnancies worldwide. Researchers have developed a new method using light-sensitive nanoparticles to detect growing placentas and end ectopic pregnancies more effectively.
A new injectable hydrogel has been developed with enhanced shear-thinning properties, improved cellular biocompatibility, and significantly reduced clotting times. The biomaterial was created by adding sodium phytate to a gelatin-based compound, promoting even greater cohesion and triggering the initiation of blood coagulation.
The study analyzed experimental parameters, nanomaterial types, and plant exposure duration. It found that many studies lacked positive controls and had short durations compared to crop lifecycles.
Researchers at City University of Hong Kong found that tailoring cobalt concentration in high entropy alloys prevents nanoparticles from coarsening at high temperatures. This strategy opens a pathway for designing novel thermally stable chemically complex alloys for various engineering fields.
Researchers at Oregon State University have developed new, heat-efficient magnetic nanoparticles capable of reaching temperatures in cancer lesions of up to 50 degrees Celsius. The particles can be exposed to an alternating magnetic field, weakening or destroying cancer cells without causing harm to surrounding tissue.
Researchers at the University of Wisconsin-Madison develop nanoparticles to neutralize molecules implicated in IBD, significantly improving treatment outcomes. The probiotic bacteria are equipped with nano-backpacks that target reactive oxygen species, reducing inflammation and promoting weight gain and colon length restoration.
Researchers in Singapore, Saudi Arabia, and Finland achieved first insights into engineering crystal growth by atomically precise metal nanoclusters. They synthesized gold clusters consisting of 25 atoms, regulating their size and concentration to form well-defined crystals with unique morphology.
Researchers will develop a new model to describe complex soot particles in the atmosphere, improving accuracy in predicting climate warming caused by soot. The project aims to reduce uncertainty over soot's impact on climate change and air quality.
Researchers have developed a transport nanoparticle to deliver an anti-inflammatory drug, Necrosulfonamide (NSA), directly into macrophages to combat inflammatory overactivation. The mesoporous silica nanoparticle is fully biodegradable and non-toxic, showing remarkable efficacy in reducing inflammation.
Scientists at Ural Federal University have developed a sensor device that determines cholesterol levels without using enzymes. The system uses copper chloride, making the process cheaper, easier, and faster than traditional methods.
Researchers at Washington State University developed a new method to measure residual herbicides in fruits, vegetables, and their products using nanoparticles. The test is sensitive enough to detect chemicals down to maximum acceptable levels and is validated using traditional testing methods.
Researchers from Johannes Gutenberg University Mainz developed ceria nanoparticles to silence bacteria by modifying signaling molecules, preventing biofilm formation. This approach mimics nature's defense system and has potential for creating antibacterial surfaces without resistance.
Advanced nanoparticles carrying a bacterially derived compound target the STING pathway, disrupting blood vessels and stimulating an immune response. This approach suppresses tumor growth and metastasis in several types of cancers.
Oregon State researchers have engineered inhalable lipid nanoparticles that effectively deliver messenger RNA to the lungs, prompting lung cells to manufacture a protein needed to thwarts the disease. The therapy shows promise in treating cystic fibrosis, a progressive genetic disorder affecting 30,000 people in the US.
A research team at UNIST has developed a perovskite-silicon tandem solar cell with a special textured anti-reflective coating, increasing its power conversion efficiency to 23.50%. The device maintains its initial efficiency for 120 hours, outperforming existing devices which drop to 50% after 20 hours.
A new strategy for treating rheumatoid arthritis has been proposed, integrating small interfering RNAs and Prussian blue nanoparticles to silence proinflammatory cytokines and scavenge reactive oxygen species. The approach was tested in a mouse model, showing improved therapeutic efficacy and real-time monitoring capabilities.
Researchers from Shanghai Polytechnic University developed new efficient phase change microcapsules for storing solar energy, demonstrating superior photothermal conversion and thermal conductivity. The study found that the novel PCM microcapsule shells showed a 54.9% photothermal conversion efficiency, significantly higher than non-do...
Researchers developed a technology to create nonspherical nanoparticles through ion implantation, enabling the growth of custom shapes and controlling their properties. This allows for the creation of metamaterials with improved optical absorption and energy conversion efficiency.
The study reviews electrostatic atomization minimum quantity lubrication (MQL) mechanism and applications, highlighting its benefits in clean cutting and biolubricant development. Researchers propose future directions for improving coordination parameters and equipment integration.
Researchers at Kyushu University counted electric charges in individual platinum nanoparticles down to the electron level, revealing net charge with high precision. This breakthrough enables better understanding and development of catalysts for breaking down pollutants.
Scientists developed a new method using surface-enhanced Raman scattering (SERS) to monitor the effects of photodynamic therapy on tumor cells. The method, which involves Au@CDs cascade nanozymes, enables real-time monitoring of reactive oxygen species (ROS) levels in the tumor microenvironment.
Researchers developed an innovative technology using Lanthanide-doped EV-targeting Nanoscopic Signal-amplifiers to super-resolve single small extracellular vesicles. This enables ultra-sensitivity in the quantitative detection of tumor-secreted nanoparticles, promoting early-stage cancer diagnosis and treatment decisions.
Researchers developed in-situ Ni alloying method to tailor microstructure and enhance strength of LAAM Ti-6Al-4V alloy. The results show that Ni addition increases yield strength and tensile strength while decreasing ductility.
Researchers have developed a reusable, low-cost Mn catalyst that facilitates the alkylation of ketones with alcohols via the 'borrowing hydrogen' method. The catalyst achieves high yields and can alkylate ketone-containing substrates without byproducts.
Researchers from Xi'an Jiaotong-Liverpool University found that brain stimulation combined with a nose spray containing nanoparticles can improve recovery after ischemic stroke. The treatment increased cognitive and motor functions, and weighed more quickly than those treated with TMS alone.
UCF researchers have designed a cerium oxide nanoparticle to protect bones against radiation damage from cancer therapy. The treatment also improves bone regeneration and kills cancer cells, reducing the risk of bone fractures and tissue damage.
Researchers at the University of California San Diego developed microscopic robots called microrobots that can swim around in the lungs and deliver medication. The microrobots safely eliminated pneumonia-causing bacteria in mice, resulting in 100% survival rates, whereas untreated mice died within three days.
A team of researchers from NIST, UW-Madison, and Argonne National Laboratory identified key compositions that enable consistent 3D-printing of 17-4 PH stainless steel with favorable properties. The new findings could help producers cut costs and increase manufacturing flexibility.
Researchers have developed an injectable shear-thinning hydrogel that exhibits enhanced cohesive strength, resisting fragmentation even under pulsating liquid flows. The gel, similar to toothpaste, retains its structure when force is removed, making it a potential breakthrough in treating critical vascular conditions.
A team of scientists from Ural Federal University has developed a complex mathematical model to understand the dynamics of nanoparticles and viruses in cells. The model reveals how viruses cluster inside endosomes and interact with cellular proteins, shedding light on their behavior and replication mechanisms. This breakthrough can hel...
Researchers at Duke University developed nanorattles that amplify signals from separate biomarkers, allowing for accurate detection of head and neck cancers without biopsies. The technology uses machine learning algorithms to tease apart multiple biomarker signals, making it possible to target multiple diseases simultaneously.
The TU Wien team has created a catalyst that can convert CO2 and methane into synthesis gas without the formation of carbon nanotubes. This approach, called dry reforming, has the potential to convert climate-damaging greenhouse gases into valuable products.
Researchers have developed a novel RO membrane technology that combines high permeability-selectivity with anti-biofouling properties. The new membranes exhibit improved water flux without sacrificing salt rejection, and enhanced resistance to fouling and biocontamination.
A novel light-manipulating technology using nanodisk periodic structures has been developed by an international team, including Kyoto University. By controlling bound states in the continuum, researchers can systematically control light distribution states and manipulate near-infrared light within a nanodisk.
Researchers discovered that a naturally insulating material, lanthanide-doped upconversion nanoparticle (UCNP), emits bursts of superfluorescence at room temperature and regular intervals. This property is valuable for quantum optical applications, such as faster microchips or neurosensors.
Researchers at Georgia State University have discovered a novel way to treat ulcerative colitis using lipid nanoparticles that target the colon with nucleic acids. The treatment showed accelerated healing and reduced inflammation in mice with acute colitis, offering a new gene therapy strategy for IBD treatment.
A team of researchers at the University of Vienna has found a new mechanism that fundamentally alters the interaction between optically levitated nanoparticles. By applying coherent scattering, they were able to create non-reciprocal forces and improve coupling in arrays of particles, enabling new ways to study complex physical phenomena.
Recent studies in Journal of Pharmaceutical Analysis highlight innovative nanosensors for efficient biomolecular detection, including rutin, paracetamol, and hypochlorite. These advancements enable high sensitivity and reliability in clinical samples, paving the way for improved patient care.
A new sensor can detect and identify different types of nanoplastics in the air using colorful carbon dot films. The sensor can report the amount of particles from a certain plastic type above or below a predetermined concentration threshold.
Researchers have discovered that particles from everyday wall paints can harm living organisms due to their small size. A novel membrane developed at the University of Bayreuth shows high filtering effects, removing these particles from water before they enter the environment.
A small clinical trial found that OP-101 substantially reduced the risk of death and need for a ventilator in severely ill adults hospitalized with COVID-19. The treatment also showed significant benefits in decreasing biomarkers of inflammation and brain injury, suggesting potential for treating long COVID-related symptoms.
Researchers at Penn Dental Medicine have developed a microrobotics system to access the root canal with controlled precision, treating and disrupting biofilms. The technology enables diagnostic and therapeutic applications, allowing for personalized treatment plans.
Researchers developed nanoparticles to deliver anti-inflammatory payloads directly to inflamed blood vessels, significantly increasing survival chances and delaying rupture onset. Targeting specific NF-kappaB subunits improved therapeutic effects with fewer adverse effects.
A research group from Tokyo University of Science has discovered molecular features that govern the filling process at nanoscales, enabling finer resolutions in ultraviolet nanoimprint lithography. The findings provide valuable insights for guiding the selection and design of optimized resists for sub-10 nm resolution.
Researchers at Kyoto University have developed the smallest nanodiamonds capable of detecting temperatures on the nanoscale inside cells and organelles. These nanodiamonds utilize silicon-vacancy color centers to gauge luminescence, enabling precise temperature sensing with sub-kelvin accuracy.
Researchers at Rice University have created 2D chiral superstructures using three-sided pyramids, which could lead to breakthroughs in metamaterials. The structures, composed of ultrathin assemblies of particles, incorporate left-handed and right-handed domains and exhibit unique optical properties.
Researchers at Tokyo Institute of Technology developed a novel synthesis procedure to produce high-quality manganese oxide nanoparticles with large surface areas. The new approach enables the creation of ultra-small nanoparticles with excellent catalytic performance, outperforming previously reported methods.
Researchers have developed a biomimetic formulation to treat glioblastoma by harnessing lactate metabolism. The formulation, called M@HLPC, uses nanoparticles to deliver a combination of drugs that inhibit cancer cell growth and kill glioma cells.
A new study from MIT and Broad Institute researchers analyzed interactions between nanoparticles and nearly 500 types of cancer cells, revealing thousands of biological traits that influence cell response. The findings could help tailor drug-delivery particles to specific types of cancer.
Gwangju Institute of Science and Technology researchers have developed a rabbit-scale three-dimensional magnetic particle imaging system that can scan large volumes at high resolution. The system uses amplitude modulation to minimize peripheral nerve stimulation while maintaining high image quality.
Researchers developed a mathematical model to predict the efficiency of nanoparticle delivery into cells, particularly in stem cells. They found that nanoparticles become trapped in bubble-like vesicles, preventing them from reaching their targets.
Researchers prepared lithiophilic aluminum oxide nanoparticles to enhance rigidity of carbon nanotube arrays, inhibiting dendrite growth and stabilizing the SEI film. The resulting battery exhibited enhanced redox kinetics and long cycle life.
Researchers discovered Bi2O3 nanoparticles transform into active phase Bi/Bi2O3 nanosheets, showing enhanced catalytic performance and stability. Theoretical calculations support the role of surface-exposed Bi in promoting formate production.
Researchers at Weill Cornell Medicine discovered that chemokines can form DNA-bound nanoparticles that induce chronic, dysfunctional immune responses. This new mechanism may play a central role in autoimmune diseases such as scleroderma and lupus, where inflammation goes awry.
A Tokyo University of Science study found that fluoride nanoparticles enhance β-sheet formation in amyloid β proteins, a common feature of Alzheimer's disease. The researchers also discovered that surrounding ions can control this process, paving the way for targeted treatments.
Researchers from Rice University, Duke University, Brown University and Baylor College of Medicine developed a magnetic technology to wirelessly control neural circuits in fruit flies. They used genetic engineering to express heat-sensitive ion channels in neurons that control the behavior, and iron nanoparticles to activate the channels.
Researchers at TU Wien found that silicate nanoparticles can strengthen porous rock by forming colloidal crystals, which create new connections between mineral surfaces. The size of the particles is crucial for optimal strength gain, with smaller particles creating more binding sites.
A team of researchers developed a nanoparticle probe that can detect an indicator of heart damage from chemotherapy. Experiments revealed that intermittent fasting before chemotherapy can prevent this damage and preserve cardiac function.
Researchers have developed microsupercapacitors that can be integrated onto stone tiles, enabling high-performance and customizable power from natural building materials. The devices maintain a high energy storage capacity even after multiple charge-discharge cycles.