Sentences with phrase «by nanoparticles on»

Vassaux's team next plans to test gene therapy carried by nanoparticles on a variety of tumors in animals.

Not exact matches

The Swansea Lab's research is focused on scale - up of the production of such nanoparticles by 10 million times to the level of grams, and beyond.

Glutathione - capped gold nanoparticles were then adsorbed on hydroxyapatite and glutathione was removed by subsequent calcination.

On / off switching of hydrogen production was achieved using the nanoparticle catalyst because it could be easily separated from its organosilane substrate by filtration.

This interacted with proteins on the cell surface called proteoglycans which led to the nanoparticles being ingested by the cell.

Consumers can learn more about which products contain nanoparticles by visiting the Web site for The Project on Emerging Nanotechnologies.)

But what does this curious finding, revealed yesterday by researchers at the University of Bristol, UK, mean about the safety of nanoparticles and medical treatments based on them?

Now, Arnold and his team at NYU Tandon's MicroParticle PhotoPhysics Laboratory for BioPhotonics (MP3L) are the first to find a way to determine the density of charges on an area of a WGM micro-bead's surface, as well as the charge of an ensnared nanoparticle or virus, by measuring how light frequency fluctuates as the tiny particle follows its wobbly course around the sphere.

«The nanoparticles behaved like grains of sand being concentrated on a beach by crashing waves,» said Kelly.

Researchers experimented with different configurations for their remote control system, and they found the best relies on an iron nanoparticle (blue), which is tethered by a protein (green) to an ion channel (red).

By taking clever advantage of the interplay between light, electrons on the surface of metals, and heat, researchers at the National Institute of Standards and Technology (NIST) have for the first time created a plasmomechanical oscillator (PMO), so named because it tightly couples plasmons — the collective oscillations of electrons at the surface of a metal nanoparticle — to the mechanical vibrations of the much larger device it's embedded in.

The panel, which was commissioned by U.K. science minister David Sainsbury in July 2003, concluded that nanoparticles and nanotubes should be treated as new chemicals and their impacts on health and the environment be tested under existing U.K. and E.U. legislation.

This RNA - based nanoparticle compound kills the cells by acting on the formation of vesicles.

By grafting polymer threads on these rings, they created starlike structures along the strand, which served as a template for the formation of nanoparticle beads.

The technology, developed by MIT professor and Howard Hughes Medical Institute investigator Sangeeta Bhatia, relies on nanoparticles that interact with tumor proteins called proteases, each of which can trigger release of hundreds of biomarkers that are then easily detectable in a patient's urine.

«Metal nanoparticles with ligands are already printed to form electronics today,» explains the physical chemist Kraus, adding that the shells mostly had to be removed by a sintering process because, while on the one hand they control the arrangement of the nanoparticles, on the other hand, they are not conductive.

The nanoparticles skirt this problem by depositing a small amount of medication directly on the clot.

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.

Also, the nanoparticle is activated by light, so it can be turned on and off simply by exposing it to the correct color of visible light.»

The targeted particles with the passports shrank tumors by 25 % in a single day, while nanoparticles with the antibodies but without the peptide passports had no effect on the tumor size.

In a second step, by capitalizing on their expertise in the field of laser ablation, they decorated these graphenated - MWCNT (g - MWCNT) structures with 2 - 3 nm - diameter gold nanoparticles (Au - NP).

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.

«Since nanoparticles started to be implemented in the first prototype devices, people have asked what's going on at the surface and how we can adjust properties by changing the organic molecules on the surface,» says Zherebetskyy.

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.

For example, he's designing nanoparticles that bait specific immune system cells by displaying certain features on their surface; inside, the nanoparticles contain an antigen of a particular microbe.

Anthony Fiumera, associate professor of biological sciences, and Gretchen Mahler, assistant professor of biomedical engineering, are collaborating on a research project funded by a Binghamton University Transdisciplinary Areas of Excellence (TAE) grant to discover the role ingested nanoparticles play in the physiology and function of the gut and gut microbiome.

But the independent report, issued by the Royal Society and the Royal Academy of Engineering on Thursday, recommends that «free» nanoparticles, or those that could come into direct contact with humans through the air or the skin, be subject to fresh regulatory controls.

Researchers report that they can boost the amount of data stored on a disc 10,000-fold by using gold nanoparticles.

Frank Gu, a professor in the Faculty of Engineering at the University of Waterloo and Canada Research Chair in Nanotechnology Engineering, is the senior researcher on the team that was the first to find that photocatalysis — a chemical reaction that involves the absorption of light by nanoparticles — can completely eliminate naphthenic acids in oil sands wastewater, and within hours.

INM will be demonstrating flexible touch screens, which are produced by printing recently developed nanoparticle inks on thin plastic foils.

His laboratory currently applies high throughput imaging technologies to study trafficking between the endoplasmic reticulum and Golgi complex, and the internalization pathways taken by synthetic nanoparticles on exposure to cells.

The point was further emphasized in a press release put out by Nature Nanotechnology this week: «These findings suggest that direct and indirect effects of nanoparticles on cells are equally crucial when considering the potential risks of their use in nanomedicine.»

A variety of asymmetric hollow - core three - dimensional nanostructures fabricated by illuminating light on nanoparticles.

The technique, described in Biomaterials, uses gold nanoparticles and Raman scattering, a technology previously developed by Qian and Nie for cancer cell detection (2007 Nature Biotech paper, 2011 Cancer Research paper on circulating tumor cells).

The picture shows a model of one of the SAPN particles that has been constructed by Newton Wahome based on a tiling by Giuliana Indelicato, illustrating how tiling theory predicts the surface architecture of the nanoparticle.

The HZI will develop a vaccination protocol for mucosal administration based on three novel strategies: (i) development and optimization of a vaccination protocol in which parenterally - primed T and B cells are subsequently pulled into the mucosa by the local delivery of the cognate antigen to the requested effector site, (ii) testing the co-administration of antigens with novel mucosal adjuvants using different mucosal immunisation routes and schedules, and (iii) testing various nanoparticles co-administered with different immunomodulators for their ability to generate both systemic and mucosal immune responses following transcutaneous / trans - follicular vaccination.

The anode, on the other hand, was made with phosphor deliberately optimized by coverage of ITO nanoparticles and assembled together with the cathode by the new stable assembling process resulting to stand - alone flat plane - emission panel.

ASTM E2834, Guide for Measurement of Particle Size Distribution of Nanomaterials in Suspension by Nanoparticle Tracking Analysis (NTA), and ASTM E2859, Guide for Size Measurement of Nanoparticles Using Atomic Force Microscopy, are both under the jurisdiction of Subcommittee E56.02 on Physical and Chemical Characterization.

* «Hemagglutinin - stem nanoparticles generate heterosubtypic influenza protection» by Yassine et al. published in Nature Medicine on Monday 24th August.

In the environment, such association of UO2 nanoparticles with biopolymers may exert a strong influence on subsequent behavior in the environment including susceptibility to oxidation by O2 or transport in soils and sediments.

«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.

Depending on the shape, the application, or the components, nanomaterials may be called by a variety of different names, including nanoparticles, nanotubes, nanofilms, nanoshells, nanospheres, nanowires, nanoclays, nanoconcrete, nanopolymers, and much more.

By using a method that tracks single - molecule reactions on individual nanoparticles, researchers have shown that catalytic reactions occurring at one active site on a particle can influence reactions occurring at another site (Nat.

-LSB-...] Nanoparticle bullets to kill cancer cells... Posted on May 6, 2011 by Tom Harley Protein, RNA, DNA: Nanotechnology finds a multitude of paths to attack cancer cells.

The elements that make up the ink in tattoos travel inside the body in micro and nanoparticle forms and reach the lymph nodes, according to a study published in Scientific Reports on 12 September [2017] by scientists from Germany and the ESRF, the European Synchrotron, Grenoble (France).

But, this can be taken further by combining different modalities of treatment, chemotherapy and radiation, for example, where one or both modalities would rely on nanoparticles.»

An environmentally benign antimicrobial nanoparticle based on a silver - infused lignin core by Alexander P. Richter, Joseph S. Brown, Bhuvnesh Bharti, Amy Wang, Sumit Gangwal, Keith Houck, Elaine A. Cohen Hubal, Vesselin N. Paunov, Simeon D. Stoyanov, & Orlin D. Velev.

Nevertheless, despite the importance of carbohydrates in biology and the vast array of literature on functionalized nanomaterials, little is known about the effects of carbohydrates on the uptake and toxicity of nanoparticles by different type of cells.

Using a new class of nanoparticles developed by Dr. Han, Dr. Xiang and colleagues propose to selectively turn on non-image forming photoreceptors (NIFP) inside mice and Drosophila unencumbered by the fiber optic wires used in currently available optogenetic technologies.

By exploring and explaining nanoparticles in your medical novel, you will not only be entertaining your readers: you will also be performing a public service by educating them on the extreme dangers of this increasingly prevalent potential threaBy exploring and explaining nanoparticles in your medical novel, you will not only be entertaining your readers: you will also be performing a public service by educating them on the extreme dangers of this increasingly prevalent potential threaby educating them on the extreme dangers of this increasingly prevalent potential threat.