Sentences with phrase «oxide nanoparticles»

United States About Blog We have research center doing research on various applications of Nanotechnology and also provides Carbon Nanotubes Metal Metal Oxide Nanoparticles.
One is the use of nitrogen doped metal oxide nanoparticles.
United States About Blog We have research center doing research on various applications of Nanotechnology and also provides Carbon Nanotubes Metal Metal Oxide Nanoparticles.
Napier's presentation, titled «Superparamagnetic Iron Oxide Nanoparticles for Delivery of DNA - based Contraceptive Vaccines for Feral Cats,» dealt with a portion of Napier's research in developing and delivering contraceptives to feral cats.
United States About Blog We have research center doing research on various applications of Nanotechnology and also provides Carbon Nanotubes Metal Metal Oxide Nanoparticles.
In this connection, he has also invented novel and efficient routes to polymer - coated zinc oxide nanoparticles for biomedical applications.
A 2017 study co-authored by John Bischof, professor of mechanical engineering at the University of Minnesota, and published in Science Translational Medicine, used specially coated iron oxide nanoparticles.
Previously, the Institute for Basic Science (IBS) team designed ultra-small T1 iron oxide nanoparticles (PEG - IONCs), proving the possibility to synthesise them in large quantities.
«Deficient neuron - microglia signaling results in impaired functional brain connectivity and social behavior» Y. Zhan, R.C. Paolicelli, F. Sforazzini, L. Weinhard, G. Bolasco, F. Pagani, A. L. Vyssotski, A. Bifone, A. Gozzi, D. Ragozzino, C.T. Gross Nature Neuroscience 17 (3), 400-4006 (2014) «USPIO - loaded Red Blood Cells as a biomimetic MR contrast agent: a relaxometric study» A. Boni, D. Ceratti, A. Antonelli, C. Sfara, M. Magnani, E. Manuali, S. Salamida, A. Gozzi, and A. Bifone Contrast Media and Molecular Imaging 9, 229 - 236 (2014) «Distributed BOLD and CBV - weighted resting - state networks in the mouse brain» F. Sforazzini, A.J. Schwarz, A. Galbusera, A. Bifone, and A. Gozzi NeuroImage 87, 403 - 415 (2014) «Antimicrobial peptides design by evolutionary multiobject optimization» G. Maccari, M. Di Luca, R. Nifosì, F. Caldarelli, G. Signore, C. Boccardi, and A. Bifone PloS Computational Biology 9 (9): e1003212 (2013) «Differential effect of orexin - 1 and crf - 1 antagonism on stress circuits: a fMRI study in the rat with the pharmacological stressor yohimbine» A. Gozzi, S: Lepore, E: Merlo Pich, and A. Bifone Neuropsychopharmacology 38 (11): 2120 - 2130 (2013) «Water dispersal and functionalization of hydrophobic iron oxide nanoparticles with lipid - modified poly (amidoamine) dendrimers» A. Boni, L. Albertazzi, C. Innocenti, M. Gemmi, and A. Bifone.
Dr. Koziej is honored for her article «Puzzling Mechanism behind a Simple Synthesis of Cobalt and Cobalt Oxide Nanoparticles: In Situ Synchrotron X-ray Absorption and Diffraction Studies», published in Chemistry of Materials.
The Bulte Lab has developed methods to label cells magnetically using tiny superparamagnetic iron oxide nanoparticles in order to make them visible by magnetic resonance imaging; this technology has now been introduced in the clinic for several cell therapy applications.
Irradiation - Enhanced Cytotoxicity of Zinc Oxide Nanoparticles.
I've been experimenting with T10 dextran coated iron oxide nanoparticles, obviously not the same as fullerenes, but still a very interesting tool, I've been testing if the coating is giving the particle antioxidant abilities because of it's the (basically) indigestable sugar chains (glucose) creating a high surface area which are largely made from hydroxyl groups, I hypothesised this act's as a «sink» for reactive oxygen species converting them to water.
Superparamagnetic Iron Oxide Nanoparticles: Amplifying ROS Stress to Improve Anticancer Drug Efficacy Gang Huang, Huabing Chen, Ying Dong, Xiuquan Luo, Haijun Yu, Zachary Moore, Erik A. Bey, David A. Boothman, Jinming Gao Theranostics 2013; 3 (2): 116 - 126.
Nowadays, zinc oxide nanoparticles are among the most commonly used nanomaterials.
A comprehensive analysis of transfection - assisted delivery of iron oxide nanoparticles to dendritic cells.
Nickels M, Xie JP, Cobb J, Gore JC and Pham W. Functionalization of Iron Oxide Nanoparticles With a Versatile Epoxy Amine Linker.
As Jake Lanphere, a UC Riverside graduate student who co-authored the paper, which was published in the journal Environmental Engineering Science («Stability and Transport of Graphene Oxide Nanoparticles in Groundwater and Surface Water»), explained to Nanoclast in an email interview: «Other studies have looked at ideal lab conditions that do not necessarily reflect the conditions one might find in aquatic environments.
To get round this, Wilhelm Roell at the University of Bonn in Germany and his colleagues loaded muscle stem cells with iron oxide nanoparticles to make them magnetic.
The NTU scientists create micro-sized gas bubbles coated with cancer drug particles and iron oxide nanoparticles, and then use magnets to direct these bubbles to gather around a specific tumour.
Less often used are contrast agents made from iron oxide nanoparticles, which are considered somewhat safer because the body already contains iron.
This parameter depends on the nature of the oxide nanoparticles and on the existence of nanopores.
Rather than relying on a strain or an electrical field, the researchers incorporated zinc oxide nanoparticles into a PVDF thin film to trigger formation of the piezoelectric phase that enables it to harvest vibration energy.
It shows that the magnetic interaction between the iron oxide nanoparticles is one of the main effects behind the scroll formation.
Moreover, they showed that by removing the iron oxide nanoparticles by acid treatment the nanoscrolls again open up and go back to single graphene sheets
The nanoscrolls can be visualized as traditional «Swiss rolls» where the sponge - cake represents the graphene, and the creamy filling is the iron oxide nanoparticles.
For it is reason, the current iron oxide nanoparticles are not used anymore and we started to look for other options.»
«A new contrast agent for MRI: New iron oxide nanoparticles could help avoid a rare side effect caused by the current contrast agents.»
By this method they obtain anchoring sites for the iron oxide nanoparticles that are decorated onto the graphene sheets in a solution process.
Researchers at Umeå University, together with researchers at Uppsala University and Stockholm University, show in a new study how nitrogen doped graphene can be rolled into perfect Archimedean nano scrolls by adhering magnetic iron oxide nanoparticles on the surface of the graphene sheets.
Previously, the IBS team designed ultrasmall T1 iron oxide nanoparticles (PEG - IONCs), proved the possibility to synthesize them in large quantities, and tested them on mice.
As an alternative, contrast agents based on iron oxide nanoparticles are practically unused because of the difficult readability of the results.
In a collaboration with Pedro Cabrales of U.C. San Diego, Friedman is exploring the potential of nitric oxide nanoparticles to treat high blood pressure (nitric oxide is a vasodilator that relaxes blood vessels, and is thus an effective high blood pressure treatment).
A combination of iron - oxide nanoparticles and an alternating magnetic field, which together generate heat, have activated an immune system response to tumors in mice according to an accepted manuscript by Dartmouth - Hitchcock Norris Cotton Center researchers in the journal Nanomedicine: Nanotechnology, Biology and Medicine released online on February 24, 2014.
In addition to the elements converted to oxide nanoparticles in the above illustration, it has also been shown that oxide nanoparticles can be prepared from second and third row transition metals, and even semi-metals such as tin, bismuth, thallium and lead.
Acids naturally found in the organic matter of soil, collectively called humic acid, can protect rice seedlings from the cell damage and stunted root growth caused by copper oxide nanoparticles, researchers report April 13 in Environmental Toxicology and Chemistry.
This figure illustrates the ease with which grams of many different types of oxide nanoparticles can be prepared in a single step.
In all of these applications, particle size is critical to the utility and function of oxide nanoparticles — decreased particles size results in increased surface area, which can significantly improve the performance of the oxide nanoparticle.
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.
NRL has demonstrated that large quantities (over 10 grams) of oxide nanoparticles can be prepared in a single step, which is approximately four orders of magnitude higher yield than many other methods.
«Typically, the synthesis of oxide nanoparticles involves the slow reaction of a weak oxidizing agent, such as hydrogen peroxide, with dilute solutions of metal salts or complexes in both aqueous and non-aqueous solvent systems,» said Dr. Thomas Sutto, NRL research chemist.
The researchers were able to rapidly generate uniform heat throughout frozen tissues by mixing tiny silica - coated iron oxide nanoparticles, each one with a diameter 150 times smaller than a red blood cell, into the cryopreservation solution used for vitrification.
As such, this new synthetic route to oxide nanoparticles also shows great promise for a multitude of other catalytic, electrical, magnetic, or electrochemical processes, from novel cathodes to solution preparation of other types of ceramic materials.
Gao and Koo reached out to Cormode, who had experience working with iron oxide nanoparticles in a radiological imaging context, to help them synthesize, characterize and test the effectiveness of the nanoparticles, several forms of which are already FDA - approved for imaging in humans.
Yet, to be effective, the size of the iron oxide nanoparticles had to be just right — and had to be maintained in a strong matrix that was both flexible and resilient to deal with large volume changes while optimally conducting electricity.
To create a diabetes vaccine, Santamaria has attached a cocktail of antigens from pancreatic beta cells to synthetic iron oxide nanoparticles.
HST researchers have experimented with polymer - coated iron oxide nanoparticles held together by DNA tethers to help them create a visual image of a tumor through magnetic resonance imaging.
Heat treatment after an injection of traditional iron oxide nanoparticles had no significant effect on the tumors.
The tetrapod - shaped zinc - oxide nanoparticles, called ZOTEN, have negatively charged surfaces that attract the HSV - 2 virus, which has positively charged proteins on its outer envelope.
IBM developed a technique for making carbon nanotubes emit light, paving the way for new fiber optics; Harvard scientists figured out how to deposit tiny wires on glass or plastic, opening the door for the development of supercheap computers; and at the University of Central Florida, neuroscientist Beverly Rzigalinski discovered a nanomolecular fountain of youth effect: When Rzigalinski applied cerium oxide nanoparticles to rat neurons in a petri dish, the particles seemed to strip out the free radicals that make tissues age and kept the neurons alive and functioning up to six times their normal life span.
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