Articles tagged with Nanoparticles
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers have developed a new method to target and destroy cancerous cells using hyperthermia, which elevates the temperature of tumor cells while keeping surrounding healthy tissue at a lower degree of body heat. The technique uses ferrofluids to induce hyperthermia and has been shown to be biocompatible with iron oxide nanoparticles.
Virginia Tech researchers have developed a promising new cancer treatment using magnetic fluid hyperthermia, which heats up magnetic nanoparticles to kill tumor cells. The treatment has shown no adverse effects on surrounding healthy tissue.
A University of Edinburgh study reveals that nanoparticles used in various products can cause distinct lung injuries in rats, with some triggering asthmatic reactions and others leading to severe damage. Researchers emphasize the need for improved testing methods to assess nanoparticle risks.
A recent study by Dr. Nan Yao and his team found that carbon nanotubes induced programmed cell death in plant cells, with the effect being dosage-dependent. The researchers discovered that only single-wall carbon nanotubes caused cell damage, while other types of particles did not.
Researchers propose a novel approach to prevent both unintended pregnancies and HIV transmission by utilizing nanoparticles that carry melittin, a toxin derived from honeybee venom. The nanobees will target and destroy sperm and HIV cells through a fusion process.
Researchers used a novel imaging system to track the movement of near-infrared fluorescent nanoparticles from the lungs into the body and out again. The study found that non-positively charged nanoparticles smaller than 34nm in diameter appeared in lung-draining lymph nodes within 30 minutes.
Researchers have developed a method to control drug delivery using nanoparticles, which can improve the therapeutic effects of colon cancer treatments. The new approach targets the lower intestine, overcoming existing barriers such as stomach acidity and rapid clearance.
Researchers at Oregon State University have developed a new method to produce nanoparticles 500 times faster than traditional methods, using an arrayed microchannel reactor and laminated architecture. This breakthrough could make nanotechnology products more commercially practical and environmentally friendly.
Scientists developed a new approach to eliminating unpleasant odors using nanoparticles coated with copper, which are hundreds of times smaller than peach fuzz. These particles show promise for removing sulfur contaminants and harmful bacteria.
Duke University researchers discovered that smaller catalyst particle size is crucial for improving efficiency in chemical reactions. The team found that the surface-to-volume ratio of the catalyst particle is more important than previously thought, leading to faster reactions.
Researchers at Rice University are testing a nanoparticle designed to diagnose and treat pancreatic cancer, which is notoriously difficult to treat with a five-year preclinical testing program funded by the National Cancer Institute.
Researchers at Carnegie Institution for Science have successfully watched nanoparticles grow from the earliest stages of formation using high-energy X-rays. This breakthrough allows for the development of new techniques to control growth conditions, paving the way for improved solar-cell technology and chemical sensors.
A novel approach to delivering small bits of genetic material into the body has been developed by researchers at Georgia Institute of Technology and Emory University. The thioketal nanoparticles successfully targeted inflamed intestinal tissues, reducing inflammation and promoting healing.
Scientists from Oregon State University and the European Union outline six regulatory issues for nanoparticles in pesticides, including disclosure and testing methods. The researchers aim to design safer nanoparticles that maximize benefits while preventing risks.
Researchers at WUSTL will explore therapies and diagnostic tools for heart and lung diseases using nanotechnology. The project aims to improve treatment options for cystic fibrosis, acute lung inflammation, and atherosclerosis.
Researchers have successfully slipped silver nanoparticles cloaked in HIV protein into the nucleus of cells, where they can detect subtle light signals and deliver payloads. This innovation has potential implications for disease treatment and basic scientific research.
Researchers have developed a method for creating novel metal films using ultrashort laser ablation, which allows for precise control over nanoparticle structures. This technique has potential applications in fields such as surface-enhanced Raman spectroscopy and the growth of carbon nanotubes.
Researchers have discovered a new type of nanoparticle shaped like the Star of David, which may lead to new ways for sensing glucose in diagnosing diabetes. The nano-cages also showed promise as sensors for hydrogen peroxide detection, boosting electrical signals by 200 fold.
Researchers at NIST have developed a simple process for producing nanocrystals that enable studies of physical and chemical properties affecting nanoparticle interaction. The process allows precise control over size, shape and composition, creating perfect-edged nanocubes with uniform size.
Scientists have discovered that giant nanoparticles are sticking together in a vacuum chamber, causing stress and roughness in thin films. This finding has large implications for industries such as optics and materials science.
A Syracuse University research team has discovered a method to accelerate algae growth by manipulating light particles through nanobiotechnology. This process can enhance photosynthesis and lead to increased productivity in harvesting the feedstock for biodiesel production, while also reducing ecological resources required.
Researchers at Tufts University develop nanoparticles to deliver therapeutic genes to the retina, delaying onset of eye disease and preserving vision. The treatment, using a gene for GDNF, shows temporary but significant protection against photoreceptor cell death.
Researchers at NC State University developed a screening tool to predict nanoparticle interactions with biological systems, allowing for improved safety and applications in drug delivery. The study uses molecular probes to create 'fingerprints' identifying how nanoparticles will behave inside the human body.
A team of Hong Kong researchers has demonstrated that burying a layer of silver nanoparticles improves the performance of organic electronic devices. The finding is significant as it suggests a simple and cost-effective way to enhance transistor performance.
Magnetic nanoparticles are injected into tumors to generate heat for cancer treatment. Magnetic relaxometry measures the relaxation of magnetic moments to determine particle quantity, allowing for selective tumor treatment.
A NIST-developed nanofluidic device separates and measures nanoparticles of different sizes, offering a faster and more economical approach to nanoparticle sample preparation. The device's tailored resolution and surface chemistry enable the sorting of complex nanoparticle mixtures.
Researchers at D.J. Sanghvi College of Engineering have investigated various nanotechnology approaches for water purification, including nanofiltration and zeolite filtration membranes. These methods can effectively remove sediments, chemical effluents, charged particles, bacteria, and other pathogens from water.
Researchers have developed a multifunctional nanoparticle that eliminates background noise, enabling precise medical imaging. The technique uses photoacoustic imaging to detect single cells, potentially revolutionizing cancer detection and molecular imaging.
Scientists at Hebrew University have developed a new technology using poplar tree protein to increase computer memory capacity and reduce manufacturing costs. The approach involves combining protein molecules with silica nanoparticles, resulting in a cost-effective system that can greatly expand existing memory capacity.
Wake Forest University Baptist Medical Center researchers have developed a new technology using iron-containing Multi-Walled Carbon Nanotubes to treat cancer. The iron-loaded nanoparticles can be tracked in living tissue and destroy tumors when hit with a laser, offering a potential solution to increasing the accuracy of cancer treatment.
Researchers have successfully used iron-containing Multi-Walled Carbon Nanotubes (MWCNTs) to destroy tumors with heat generated by laser therapy. The nanotubes become visible in an MRI scanner, allowing for precise targeting of cancer cells and reducing the risk of harming healthy tissue.
Kansas State University researchers have successfully used gene-silencing nanoparticles to kill mosquito larvae and make them more susceptible to pesticides. This technology has the potential to revolutionize insect control, targeting specific pest species while being environmentally friendly.
Researchers used nanoparticles to destroy atherosclerotic plaque in pigs, reducing plaque volume by 56.8% after six months. Combining nanoparticles with adult stem cells showed the greatest reductions in plaque volume and signs of new blood vessel growth.
A team of University of Pittsburgh engineers has designed artificial cells capable of self-organizing, performing tasks, and transporting cargo. The cells interact through nanoparticles and can be controlled to perform specific functions, offering a significant step towards synthetic cells that behave like natural organisms.
Researchers developed a model predicting the architecture of nanoparticle ensembles and their properties. The findings could lead to more efficient production of nanostructures with complex architectures.
Researchers at University of Warwick and University of Sheffield used metadynamics to simulate how a chicken eggshell protein binds to calcium carbonate particles, enabling efficient recycling and catalytic activity. The study provides new insights into controlling crystallization in nature.
A new drug delivery system has been developed using nanoparticles embedded in liposomes that can be triggered by non-invasive electromagnetic fields. The system can control the rate and extent of drug release, with a quick release in just 30-40 minutes.
Researchers at University at Buffalo have developed a method to remotely control ion channels, neurons and animal behavior using heated magnetic nanoparticles. The approach could lead to innovative cancer treatments and therapies for neurological disorders.
Researchers found that nanoparticles of zinc oxide are twice as toxic to colon cells as conventional zinc oxide. The study's results suggest that accidental ingestion of sunscreen products could lead to toxicity in humans.
UCI chemists develop synthetic antibodies that block bee venom by encasing melittin, a peptide causing cells to rupture. These 'plastic antibodies' offer a promising alternative to natural antibodies for treating medical conditions, with potential applications in fighting deadly toxins and pathogens.
Researchers have achieved unprecedented spatial and temporal resolution in single-shot images of nanoparticulate catalysts, enabling time-resolved imaging of particles as small as 30 nanometers. This breakthrough could greatly improve catalyst efficiency in various processes crucial to energy security.
Navrotsky's research reveals that particle size significantly affects the energy needed for oxidized reactions, with implications for applications such as hydrogen production and battery efficiency. The study sheds light on how nanoparticles react under different temperatures and conditions.
NIST researchers use a chemical trick to change the acidity of a solution instantly, allowing them to study how nanoparticles behave when exposed to sudden changes in pH. This technique has implications for designing nanoparticles for medical applications, where pH can vary significantly within cells.
Researchers developed liposome-hydrogel hybrid nanoparticles that combine the strengths of both materials while compensating for their weaknesses. These nanoparticles have controlled release capabilities and can target specific cells, making them potential tools for targeted drug delivery.
Researchers have successfully tested a plastic antibody that mimics natural antibodies in the bloodstream of living mice, demonstrating its ability to recognize and fight infectious substances. The breakthrough could lead to medical applications for custom-tailored nanoparticles to combat various antigens.
Researchers at NIST used neutron beams to study magnetite nanoparticles, revealing a complex interaction between the inner 'core' and outer 'shell'. The discovery could lead to new tools for controlling particle behavior in data storage and biological applications.
Researchers at Mangalore University have developed a novel method to generate silver nanoparticles using electron beam irradiation, which shows high activity against gram-positive and gram-negative bacteria, including MRSA and E. coli O157.
Researchers at Argonne National Laboratory discovered that nanoparticles can self-assemble into a crystal lattice with low defects when floating at a liquid-air interface. This process allows for two-dimensional crystallization over a longer time scale, enabling the formation of highly ordered phases.
The Helmholtz Centre for Infection Research has received a grant from the Bill & Melinda Gates Foundation to develop nanoparticles that release vaccine active ingredients through skin perspiration, potentially bypassing traditional vaccines. The project aims to stimulate mucosal immune responses and prevent infectious diseases.
A U Alberta-led team studied T cell activation using nanotechnology, revealing how CD45 molecule interacts with other molecules in the cell. This understanding could lead to controlling T cells and developing new treatments for autoimmune diseases.
Researchers found that curcumin nanoparticles, delivered via nanoparticles, increased the sensitivity of resistant ovarian cancer cells to chemotherapy and radiation. The treatment enables lower doses of cisplatin and radiation, improving therapeutic outcomes without increasing toxicity.
Researchers successfully delivered paclitaxel using magnetically guided nanoparticles to treat rat arteries, achieving better results at lower doses than conventional therapy. The technique has potential for treating patients with vascular disease and offers opportunities for varying treatment doses and repetition.
Scientists develop a new method to recover and reuse nanoparticles, which are crucial for nanotechnology applications. The method, described in ACS' Langmuir journal, uses a special microemulsion to separate nanoparticles from other substances.
Researchers at North Carolina State University found that the size of nickel nanoparticles plays a crucial role in determining their structure. Smaller particles form a single void, while larger particles create multiple bubbles, leading to hollow structures with potential applications in energy production and nanoelectronics.
Researchers developed a nanovaccine to stop aggressive immune attack on beta cells, restoring normal blood sugar levels in humanized mouse models. The treatment targeted specific immune cells without compromising the rest of the immune system.
Scientists have successfully used gene therapy to restore vision in mice with retinitis pigmentosa, a degenerative eye disease. The treatment involved the use of compacted DNA nanoparticles, which improved structural and functional vision in affected mice, without any adverse effects.
Rylander aims to create a multi-component treatment planning computational model for nanoparticle-medicated laser therapy to achieve selective and effective cancer treatment. She will also develop a course on nanotherapeutics and establish an education and outreach plan for underprivileged schools.
Binghamton University researcher Omowunmi Sadik is developing sensors to detect and identify engineered nanoparticles, advancing understanding of their environmental risks. Her work aims to balance innovation with responsibility, encouraging the safe use of nanomaterials.
Researchers demonstrate targeted nanoparticle delivery of siRNA to cancer cells, turning off an important gene using RNA interference. The study opens the door for future genetic therapies that can attack cancer and other diseases at a molecular level.
University of Michigan engineers have found that light can cause rigid nanoparticles to twist into complex shapes. This discovery could lead to breakthroughs in superchiral materials, invisibility cloaks, and novel applications in drug delivery, microfluidics, and lithography.