Sentences with phrase «use of nanoparticles in»

Use of nanoparticles in many applications, e.g. for catalysis, relies on the surface area of the particles.

Not exact matches

Cambridge, MA — February 6, 2017 — Aura Biosciences, a biotechnology company developing a new class of therapies to target and selectively destroy cancer cells using viral nanoparticle conjugates, announced today that the U.S. Food and Drug Administration (FDA) has cleared the investigational new drug application (IND) for the company's lead program, light - activated AU - 011 in ocular melanoma (OM).

Cambridge, MA — March 30, 2017 — Aura Biosciences, a biotechnology company developing a new class of therapies to target and selectively destroy cancer cells using viral nanoparticle conjugates, announced today that it has enrolled and dosed the first patient in its Phase 1b clinical trial of light - activated AU - 011, an investigational, first - in - class targeted therapy in development for the treatment of ocular melanoma, a rare and life - threatening disease.

Metal oxides such as zinc oxide and titanium dioxide are increasingly being used in sunscreens and cosmetics in the form of nanoparticles — microscopic particles of matter measured on the nanoscale.

Antimicrobials such as nanoparticles of silver or titanium dioxide can be used in packaging to prevent spoilage of foods.

The researchers used an ultrastable, variable - temperature stage in an aberration - corrected scanning transmission electron microscope to subject an array of size - selected gold nanoparticles (or clusters) to temperatures as high as 500 °C while imaging them with atomic resolution.

«We envision that these photo - responsive polymer - capped gold nanoparticles could one day serve as nano - carriers for drug delivery into the body using our robust and reversible process for assembly and disassembly,» said Zhiqun Lin, a professor in the Georgia Tech School of Materials Science and Engineering.

«We envision that our nanoparticle therapy could be used to speed the healing of all sorts of wounds, including everyday cuts and burns, surgical incisions, and chronic skin ulcers, which are a particular problem in the elderly and people with diabetes,» said study co-leader David J. Sharp, Ph.D., professor of physiology & biophysics at Einstein.

As a proof of concept for this study, the researchers tested the plant virus - derived nanoparticles with a nematicide called crystal violet, which has been used to kill nematodes on skin but not in agriculture.

This clinical study, published in the Proceedings of the National Academy of Sciences, tested the possibility of imaging inflammation in the pancreas of human volunteers using ferumoxytol, a coated iron nanoparticle approved by the FDA as an iron replacement therapy, and MRI.

«We use biological nanoparticles — a plant virus — to deliver a pesticide,» said Paul Chariou, a PhD student in biomedical engineering at Case Western Reserve and author of a study on the process published in the journal ACS Nano.

«Use of the nanoparticle increases soil diffusion while decreasing the risk of leaching and runoff, reducing the amount of chemical in food crops and reducing the cost to treat crops.»

In a paper published in the current online issue of the journal Small, titled «Immune Cell - Mediated Biodegradable Theranostic Nanoparticles for Melanoma Targeting,» the researchers report the use of a novel biodegradable and photoluminescent poly (lactic acid) nanoparticle, loaded with melanoma - specific drugs with immune cells as the nanoparticle carrierIn a paper published in the current online issue of the journal Small, titled «Immune Cell - Mediated Biodegradable Theranostic Nanoparticles for Melanoma Targeting,» the researchers report the use of a novel biodegradable and photoluminescent poly (lactic acid) nanoparticle, loaded with melanoma - specific drugs with immune cells as the nanoparticle carrierin the current online issue of the journal Small, titled «Immune Cell - Mediated Biodegradable Theranostic Nanoparticles for Melanoma Targeting,» the researchers report the use of a novel biodegradable and photoluminescent poly (lactic acid) nanoparticle, loaded with melanoma - specific drugs with immune cells as the nanoparticle carriers.

They use a near - infrared laser beam, which can penetrate deep — in this context, deep means a centimeter or two — into the tissue, where a nanoparticle turns the near - infrared light into blue light, and that directs the activity of genetically engineered immune cells.

Their research, published online Sunday in Nature Nanotechnology, involved the use of cobalt oxide nanoparticles to split water into hydrogen and oxygen.

Scientists at the University of Florida Particle Engineering Research Center and personal products manufacturer Kimberly - Clark recently found an answer by coating silica nanoparticles with copper ions, a potent odor - fighting combination that could be used in powders and spritzes, mixed with cat litter, or embedded in products like garbage bags.

So did using much larger particles of cobalt - chromium in place of the nanoparticles.

Magnetotactic bacteria can even sense the earth's magnetic field by making use of magnetic nanoparticles in their interior that act as an internal compass.

The technique can be applied in myriad ways, some of which include droplet - based microreactors (devices used in chemical synthesis), nanoparticle synthesis, tissue engineering, drug discovery and drug delivery monitoring.

In earlier work, Demir Akin of Stanford University and his colleagues used antibodies and nanoparticles to attach molecules of DNA to weakened Listeria monocytogenes, which is a bacterium responsible for many cases of food poisoning.

To create a new dengue virus vaccine, Stefan Metz, Shaomin Tian in the laboratories of Aravinda de Silva, Chris Luft and Joe DeSimone at the University of Carolina, Chapel Hill, USA designed nanoparticles of various shapes and sizes using Particle Replication in Non-wetting Template (PRINT) technology.

The nanoparticles were 30 - nanometre - wide beads of surgical cobalt - chromium alloy, a material used in much larger pieces to make surgical implants such as hip prostheses.

Wilson, the sporting goods manufacturer, has nanoengineered layers of clay to double the playing life of its Double Core tennis balls; L'Oréal uses nanoscale particles and capsules in their cosmetic creams that allow replenishing ingredients to penetrate deep into the skin; and the Australian company Advanced Powder Technology has created Zinclear, a translucent zinc oxide sunblock composed of nanoparticles as small as the tiniest known viruses.

A technique using anesthesia - containing nanoparticles — drawn to the targeted area of the body by magnets — could one day provide a useful alternative to nerve block for local anesthesia in patients, suggests an experimental study in the April issue of Anesthesia & Analgesia, official journal of the International Anesthesia Research Society (IARS).

To demonstrate one potential use of the nanoparticles, the research team used them as advanced catalysts for ammonia oxidation, which is a key step in the production of nitric acid (a liquid acid that is used in the production of ammonium nitrate for fertilizers, making plastics, and in the manufacturing of dyes).

The second visualization was a movie captured at 23,000 - times magnification that revealed the movements of a group of nanoparticles reacting to an electron beam, which mimics the effects of the infrared radiation used in cancer therapies.

In general, catalysts are rare metals (platinum, for example), which are often used in the form of nanoparticleIn general, catalysts are rare metals (platinum, for example), which are often used in the form of nanoparticlein the form of nanoparticles.

Now, Johns Hopkins researchers report they have used nanoparticles to successfully deliver a new therapy to glioma cells in the brains of rats, prolonging their lives.

Fiering is testing the use of heat in combination with nanoparticles.

Researchers have begun to focus on the environmental and health consequences of nanoparticles, tiny shreds of elements used in a range of commercial products.

When Gao joined Koo's lab in 2013, he proposed using these nanoparticles in an oral setting, as the oxidation of hydrogen peroxide produces free radicals that can kill bacteria.

They also showed that the nanoparticles» reaction with a 1 percent or less hydrogen peroxide solution was remarkably effective at killing bacteria, wiping out more than 99.9 percent of the S. mutans in the biofilm within five minutes, an efficacy more than 5,000 times greater than using hydrogen peroxide alone.

«We then evaluated the system in rats with glioma and found that by using a method called intracranial convection - enhanced delivery, our nanoparticles could penetrate completely throughout the tumor following a single injection,» says Jordan Green, Ph.D, associate professor of biomedical engineering and ophthalmology at Johns Hopkins.

To demonstrate the potential for treating lung disease, the researchers used the nanoparticles to block two genes that have been implicated in lung cancer — VEGF receptor 1 and Dll4, which promote the growth of blood vessels that feed tumors.

Scientists at the U.S. Naval Research Laboratory (NRL) Materials Science and Technology Division have developed a novel one - step process using, for the first time in these types of syntheses, potassium superoxide (KO2) to rapidly form oxide nanoparticles from simple salt solutions in water.

His research group will also work on targeted delivery of the drug using their patent pending «nanobowls,» which are magnetically guided nanoparticles that can be packed with drugs and diagnostic molecules, deliver them to particular sites in the body and release them on demand.

To use this motion - sensing technique in a practical device, Aksyuk and Roxworthy embedded the gold nanoparticle in a microscopic - scale mechanical structure — a vibrating cantilever, sort of a miniature diving board — that was a few micrometers long, made of silicon nitride.

Furthermore, the researchers from Aalto University and University of Jyväskylä have recently shown how DNA origamis can be used in efficient fabrication of custom - shaped metal nanoparticles that could be used in various fields of material sciences.

And secondly, this 2D exciton is stable at room temperature and robust against defects, as it is present in any type of TiO2 — single crystals, thin films, and even nanoparticles used in devices.

Anikeeva, who is now at the Massachusetts Institute of Technology (MIT) in Cambridge, decided to see if she could use magnetic nanoparticles to go deeper.

To achieve gene editing in mice with thalassemia, professor of therapeutic radiology and of genetics Peter M. Glazer, M.D. and his co-authors developed an alternative approach using a novel combination of nanoparticles, synthetic pieces of DNA, and a simple IV injection.

Using transmission electron microscopy imaging and powder X-ray diffraction to study the structural characteristics of the nanoparticles and Raman and photoluminescence spectroscopies to quantify lattice strain and photoluminescence behavior, the group found a correlation between the amount of tin in the core and how well the core's lattice matched that of the cadmium - sulfide outer shell.

To date, the method used to integrate upconversion nanoparticles into glass has relied on the in - situ growth of the nanoparticles within the glass.

Using DNA strands just 58 nucleotides long to uniquely identify each particle allows researchers to skip the cell culture screening altogether — and test a hundred or more different types of nanoparticles simultaneously in just a handful of animals.

«Using the DNA barcoding technique, which we call Joint Rapid DNA Analysis of Nanoparticles (JORDAN), we are able to do the testing in just three animals.»

Daniel Getts, chief scientific officer of Cour Pharma in Chicago, Illinois, says he has written WHO to suggest the use of his company's Immune Modifying Nanoparticles, designed to reduce tissue damage by binding immune cells called monocytes.

So far, Roukes has used this system to measure the masses of gold nanoparticles and three proteins found in the blood serum of cows.

Joel Friedman, a professor at the Albert Einstein College of Medicine; Adam Friedman, the chief dermatology resident at Albert Einstein Medical Center; and Kelvin Davies, an associate professor of urology, have demonstrated that nanoparticles can be used to deliver erection drugs in the form of a topical cream.

But that is precisely what Yuebing Zheng, assistant professor of mechanical engineering at The University of Texas at Austin, is working toward with his «nanotweezers» — a new tool for handling nanoparticles using light that could create opportunities for innovations in nanotechnology and individual health monitoring.

Wang's research group designed a five - metal catalyst based on these high - entropy - alloy nanoparticles and demonstrated superior catalytic performance for selective oxidation of ammonia to nitrogen oxide, a reaction used by the chemical industry to produce nitric acid, an important chemical in the large - scale production of fertilizers and other products.