Sentences with phrase «as gold nanoparticles»

Scientists are developing hybrid materials that are a cross between living bacterial cells and non-living components such as gold nanoparticles.

These peptides can capture nonliving materials such as gold nanoparticles, incorporating them into the biofilms.

Not exact matches

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.

That material attracts water - soluble metal precursors, which use the space within the polymer hairs as nano - reactors to form 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.

The spherical gold nanoparticles can be replaced with more complex shaped nanomaterials — such as hollow nanoparticles, nanorods, or nanotubes — to render a better absorption of near - infrared light to penetrate biological tissues.

The catalyst was synthesized from chloroauric acid using glutathione as a capping agent to prevent nanoparticle aggregation, resulting the formation of small size of gold nanoparticles.

When gold nanoparticles combine with red, blue and green glowing proteins, as in this sensor, it's possible to discern drug - induced physical and chemical changes on a cell's 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.

As the potential mother urinates into a sample - collection area and the pee migrates to a test strip, some of the antibody - coated gold nanoparticles on the strip latch onto the hCG, migrate up the paper, and collect at an indicator line.

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.

And researchers have long known that, despite its reputation as an inert metal, gold nanoparticles can work as a catalyst to speed chemical reaction.

However, this approach requires precision engineering of nano - features (in a detection chip), complex optical setups, novel nano - probes (such as graphene oxide, carbon nanotubes, and gold nanorods) or additional amplification steps such as aggregation of nanoparticles to achieve sensitive detection of biomarkers.

Until now, however, the only reliable way to make gold nanoparticles was to combine the gold precursor chloroauric acid with a reducing agent such as sodium borohydride.

The research, in which the CIC biomaGUNE and the Universidad Politécnica de Madrid also participate, not only represents a record in optical quality in which billions of gold nanoparticles behave as a single one, but introduces a new way to manipulate and improve nanomaterials by employing lasers as chisels in the hands of a sculptor.

Tomorrow's computers will run on light, and gold nanoparticle chains show much promise as light conductors.

That's because, as determined in subsequent experiments, the addition of water vapor served to transform gold nanoparticles into channel diggers, rather than the expected wire makers.

«Good as gold: Researchers use gold nanoparticles to enhance the accuracy of biomedical tests, thereby eliminating false positive results.»

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.

Nanoparticle expert Yu Seok Youn and his team have engineered gold particles so that they have the same rodlike shape and size as the virus.

Gold nanoparticles serve as catalysts for obtaining valuable chemical products based on glycerol.

«We used gold nanoparticles as the core of our nanocomplex,» explains team member Zhe Wang of the School of Life Sciences and Technology at Xidian University and the National Institutes of Health.

Lee and his colleagues at GenEdit already have a few scientific studies under review, including one that uses gold nanoparticles as a core material to load the three components of the CRISPR system.

To determine whether solid nanoparticle catalysts exhibit a related type of chemical communication, a team led by Peng Chen of Cornell University scrutinized nanoparticles made of either gold or palladium as the materials mediated various types of model catalytic reactions.

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 use of their newly developed composite of black phosphorous, gold nanoparticles, and titanate lanthamum as a photocatalyst, the researchers commented, has made it possible to produce hydrogen from water and broadband sunlight, an innovation they expect will contribute significantly to solving environmental issues.

The effects Yang and his colleagues observed for gold - copper bimetallic nanoparticles should hold true for other carbon dioxide reduction catalysts as well.