Sentences with phrase «iron nanoparticles in»

Not exact matches

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.

«Neodymium iron boron nanoparticles are difficult to make because they are very reactive,» Hadjipanayis says, in addition to being hard to align within a given nanostructure.

One species, Magnetospirillum gryphiswaldense, is easily cultivated in the lab — with or without magnetic nanoparticles in their interior depending on the presence or absence of iron in the local environment.

Mitragotri reckons that the particles could provide a way to get drugs into the body at a more constant concentration, or substances such as iron oxide nanoparticles, which increase contrast in magnetic resonance imaging.

In other words, they could tell the extent to which an individual nanoparticle of lithium iron phosphate had reacted.

The firm's most ambitious effort to peer inside us will use iron nanoparticles that attach to specific molecules in the bloodstream linked to cancer or heart disease.

An iron oxide nanoparticle applied to teeth prior to treatment with hydrogen peroxide effectively reduced the onset and severity of cavities (indicated with red arrows) in rats.

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.

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.

In that study, Gao showed that an iron oxide nanoparticle behaved similarly to a peroxidase, an enzyme found naturally that catalyzes oxidative reactions, often using hydrogen peroxide.

An intensive collaboration between University of Helsinki, Finland, and Okinawa Institute of Science and Technology, Japan, showed that in some condition iron nanoparticles can grow in cubic shape.

To create the spermbots, the team made microtubes 50 microns long, by 5 to 8 microns in diameter from iron and titanium nanoparticles.

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.

An endowed professor of pediatric cardiology at Children's Hospital of Philadelphia in Pennsylvania, Levy had been working with his team on biodegradable polymer nanoparticles infused with iron oxide.

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.

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.

By this method they obtain anchoring sites for the iron oxide nanoparticles that are decorated onto the graphene sheets in a solution process.

HYEON Taeghwan, director of the Center for Nanoparticle Research explains: «Let's take the example of a MRI analysis of a brain with Alzheimer's: iron oxide in the blood vessels would appear as black and the amyloid plaques as gray.

In place of gadolinium - based contrast agents, the researchers have found that they can produce similar MRI contrast with tiny nanoparticles of iron oxide that have been treated with a zwitterion coating.

Before injecting nematodes with magnetic nanoparticles, the scientists first coated the manganese — iron nanoparticles with polyethylene glycol, a molecule that targeted the particles to the mucus layer of the amphid region (an opening near the nematode's mouth that hosts the nerve cells involved in the heat avoidance reflex).

When the scientists examined the cells in the growing communities closely, they found nanoparticles of magnetite on the surface of cells and, in some cases, grains of the iron mineral connecting microbial pairs.

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 team used iron oxide for the core of the nanoparticles, which not only enables the team to use them for magnetic resonance imaging, but opens up possibilities in remote guidance and localized magnetic heating to hasten the breaking up of the clots.

Identification of the precise 3 - D coordinates of iron, shown in red, and platinum atoms in an iron - platinum nanoparticle..

The image of the iron - platinum nanoparticle (referenced in the headline) reminds of foetal ultrasound images.

By taking multiple images of the iron - platinum nanoparticle with an advanced electron microscope at Lawrence Berkeley National Laboratory and using powerful reconstruction algorithms developed at UCLA, the researchers determined the precise three - dimensional arrangement of atoms in the nanoparticle.

Now, UCLA [University of California at Los Angeles] physicists and collaborators have mapped the coordinates of more than 23,000 individual atoms in a tiny iron - platinum nanoparticle to reveal the material's defects.

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.

«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.

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.

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.

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.

As worrying, Planktos boasts on their website that the iron they dump will be in nanoparticle form because nanoparticles float longer than normal particles.