Sentences with phrase «gold nanoparticles for»

Photothermal effects of supramolecularly assembled gold nanoparticles for the targeted treatment of cancer cells.
«Our fundamental contribution in this work is to judiciously prepare a star - shaped block co-polymer in which the inner block has the capability to coordinate with metal precursors while the outer block allows photo - responsive materials to interact, which in turn renders the crafting of photo - responsive gold nanoparticles for light - enabled reversible and reliable self - assembly.»

Not exact matches

That's one potential application for a new technology that combines water - repelling yet light - sensitive and water - absorbing materials into polymeric nano - reactors for creating photo - responsive gold nanoparticles.
«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.
A store - bought moisturizer could become a high - tech remedy for chronic diabetic wounds, thanks to the addition of specialized gold nanoparticles.
A «Trojan horse» treatment for an aggressive form of brain cancer, which involves using tiny nanoparticles of gold to kill tumour cells, has been successfully tested by scientists.
Gold nanoparticles provide bigger surface area for the affinity interactions between the antibody - antigen and thus enhance the translated signal, while the antifouling molecules help to resist the non-specific adsorption of unwanted proteins from serum onto the transducer surface.
The free electrons in both BP and gold nanoparticles are then transferred into the LTO semiconductor, where they act as an electric current for water splitting.
The researchers developed a small, breath - diagnostic array based on flexible gold - nanoparticle sensors for use in an «electronic nose.»
In this platform, an aqueous or oil droplet containing gold nanoparticles and captured analytes is allowed to evaporate on a slippery substrate, leading to the formation of a highly compact nanoparticle aggregate for surface enhanced Raman scattering (SERS) detection.
The work used gold nanoparticles and titanium dioxide as a catalyst to speed the process and determined that water serves as a co-catalyst for the reaction that transforms carbon monoxide into carbon dioxide.
Because the plasmons are confined to the tiny gap, they are more sensitive than light is for sensing the motion of small objects like the gold nanoparticle.
«Utilizing the nanoparticle carrier with a core made of gold nanoparticles also made it possible to obtain evidence for the entry of nanoparticles into the tumor; we looked at the tumor under the electron microscope and observed the particles,» said post-doctoral fellow and first author Xiangsheng Liu.
«The unique electronic structure of graphene along with its particular surface topography make it an ideal substrate for decoration with gold nanoparticles.
Research conducted at Japan's National Institute for Materials Science built on previous findings that gold nanoparticles can encourage stem cells in the bone marrow to differentiate into bone cells, and that specific biomolecules can inhibit or promote stem cell differentiation.
A team headed by Yen Hsun Su of the Research Center for Applied Sciences at the Academia Sinica in Taipei, Taiwan, dipped Bacopa caroliniana, a plant often used in aquaria, into a solution of gold nanoparticles.
SPR is the basis of many standard tools for measuring adsorption of materials onto planar metal (typically gold and silver) surfaces or onto the surface of metal nanoparticles.
Furthermore, as part of this study the team demonstrated the ability to position gold nanoparticles into prescribed 2D architectures less than two nanometers apart from each other along the crystal structure — a critical feature for future quantum devices and a significant technical advance for their scalable production, said co-lead author Wei Sun, Ph.D., Wyss Institute Postdoctoral Fellow.
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).
A new method for building «drawbridges» between metal nanoparticles may allow electronics makers to build full - color displays using light - scattering nanoparticles that are similar to the gold materials that medieval artisans used to create red stained - glass.
The study, «Photosensitivity of Neurons Enabled by Cell - Targeted Gold Nanoparticles,» was supported by the National Institutes of Health, Beckman Initiative for Macular Research and Research to Prevent Blindness.
Gold nanoparticles serve as catalysts for obtaining valuable chemical products based on glycerol.
«Gold nanoparticles were ideal for this study because they are generally inert at their core,» explains Vikesland.
Important achievements have been done in the preparation and characterization of: i) Gold nanoparticles stabilised through thiol derivatised organic - and bio-molecules; ii) nanocomposite coatings for low friction and high wear resistance applications and iii) new nanostructured materials for hydrogen storage.
The gold - platinum nanoparticles, which are about hundred thousand times thinner than a human hair, also are efficient at converting laser radiation into heat and killing the cancer cell, making them promising for another cancer treatment known as photo - thermal therapy.
The effects Yang and his colleagues observed for gold - copper bimetallic nanoparticles should hold true for other carbon dioxide reduction catalysts as well.
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