Sentences with phrase «gold nanoparticles»

However, many live - animal tests and human clinical trials have already been completed using formulations of gold nanoparticles without serious side effects.

The test uses gold nanoparticles to detect signs of cancer in the blood.

A store - bought moisturizer could become a high - tech remedy for chronic diabetic wounds, thanks to the addition of specialized gold nanoparticles.

It can — if it's full of gold nanoparticles.

The NanoFlares are tiny spherical nucleic acids with gold nanoparticle cores outfitted with single - stranded DNA «flares.»

«Self - assembly of gold nanoparticles into small clusters.»

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

Explore further: Thermo - triggered release of a genome - editing machinery by modified gold nanoparticles for tumor therapy

A nanoengine 100 times more powerful than known nanomotors and muscles was demonstrated using the aggregation and dispersal of gold nanoparticles coated with a polymer that undergoes a rapid transition from hydrophobic to hydrophilic.

Single stranded DNA strands on the edges (green) and vertices (red) match up with complementary strands on gold nanoparticles.

Gold Nanoparticles made by researchers, and trusted by researchers.

A team at the University of Leeds has discovered that shaping gold nanoparticles in the form of minuscule tubes sees them take on a number of new properties, including the ability to be heated up to destroy cancer cells.

Oligonucleotide - modified gold nanoparticles for intracellular gene regulation.

This results in a single gold particle being trapped inside each tetrahedral cage, and the cages binding together by tethered gold nanoparticles at each vertex.

Light can be used to activate normal, non-genetically modified neurons through the use of targeted gold nanoparticles, report scientists from the University of Chicago and the University of Illinois at Chicago.

«A novel way of creating gold nanoparticles in water.»

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

«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.»

«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.

When stimulated with visible light, spherical gold nanoparticles absorb and convert light energy into heat.

In the new study, the researchers first wrapped gold nanoparticles inside a positively charged polymer, polyethylenimine.

«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.

Conboy's team has managed something more difficult: they have treated the muscle - wasting disease muscular dystrophy in mice by injecting gold nanoparticles carrying the CRISPR components directly into muscle.

In this study, the researchers showed that when gold nanoparticles with a ten - nanometer diameter are lined up in a chain, the plasmons they carry generate specific oscillations that are conducive to highly confined propagation.

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 binding events localize gold nanoparticles in an electrode gap; silver deposition facilitated by these nanoparticles bridges the gap and leads to readily measurable conductivity changes.

To do this, they «chemically assembled a series of double - dot SETs by anchoring two gold nanoparticles between the nanogap electrodes with alkanedithiol molecules to form a self - assembled monolayer,» explained Yutaka Majima, a professor in the Materials and Structures Laboratory at the Tokyo Institute of Technology.

The electrically charged gold nanoparticles repel each other, and because they don't touch, no current can flow along the film.

In May, they imaged gold nanoparticles at a resolution of just 97 nanometres, to show that scattering lenses can image below the 200 - nanometre limit of conventional optical lenses (Physical Review Letters, DOI: 10.1103 / PhysRevLett.106.193905).

To test the system, the researchers measured randomly deposited gold nanoparticles and gathered up to 20 simultaneous spectra with excellent resolution.

In the resulting composite, both the black phosphorous and gold nanoparticles work as photosensitizers, the former responding to visible and near - infrared light, and the latter responding to visible light.

They then synthesized size - controlled gold nanoparticles within the gap.

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.

In vitro cancer cell imaging and therapy using transferrin - conjugated gold nanoparticles.

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.

«Once the polymer chains from adjacent gold nanoparticles begin to photo - crosslink, they bring nanoparticles together via a self - assembly process to generate large assemblies of nanoparticles,» said Lin.

Scientists at Northwestern University fortified an over-the-counter lotion with spherical nucleic acids — gold nanoparticles encrusted with the building blocks of DNA and RNA.

In an effort to beat tumours more comprehensively, scientists have been researching ways in which gold nanoparticles might be used in treatments for some time.

The chemotherapeutic effect of cisplatin combined with the radiosensitizing effect of gold nanoparticles resulted in enhanced synergy enabling a more effective cellular damage.

Example of the energy flow and optical vortices found around closely spaced gold nanoparticles.

Fourteen healthy volunteers intermittently riding exercise bikes inhaled gold nanoparticles — stand - ins for particulates — and 15 minutes later, the nanoparticles were detected in the bloodstream and remained present in the body for as long as three months.

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.

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.