Sentences with phrase «of gold nanoparticles»

LANTCET: elimination of solid tumor cells with photothermal bubbles generated around clusters of gold nanoparticles.

Lapotko D, Lukianova E, Оraevsky A. Selective laser nano - thermolysis of human leukemia cells with microbubbles generated around clusters of gold nanoparticles.

Arnida Malugin A, Ghandehari H. Cellular uptake and toxicity of gold nanoparticles in prostate cancer cells: a comparative study of rods and spheres.

All cells were targeted with conjugates of gold nanoparticles (NPs) through an antibody - receptor - endocytosis - nanocluster mechanism that produced NP clusters.

Size Evolution of Gold Nanoparticles in a Millifluidic Reactor.

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

«To the best of our knowledge, this study is the first to demonstrate graphene integration to a variety of different microstructured geometries, including pyramids, pillars, domes, inverted pyramids, and the 3D integration of gold nanoparticles (AuNPs) / graphene hybrid structures,» said SungWoo Nam, assistant professor of mechanical science and engineering at UIUC.

To demonstrate the method, Landes and study lead author Chad Byers, a graduate student in her lab, anchored pairs of gold nanoparticles to a glass surface covered with indium tin oxide (ITO), the same conductor that's used in many smartphone screens.

When mixed and annealed, the tetrahedral arrays formed superlattices with long - range order where the positions of the gold nanoparticles mimics the arrangement of carbon atoms in a lattice of diamond, but at a scale about 100 times larger.

XRD revealed both the formation of the pure garnet phase and the presence of gold nanoparticles.

Each set of vertices bound with complementary DNA tethers attached to a second set of gold nanoparticles.

* Green synthesis of gold nanoparticles by thermophilic filamentous fungi — Zsófia Molnár — Scientific Reports

The arrangement of gold nanoparticles outside the cages was guided by a different set of DNA tethers attached at the vertices of the tetrahedrons.

«New light shed on structure of gold nanoparticles in water.»

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

Cryogenic TEM micrograph of gold nanoparticles (Au - NP) in DES - solvent.

Researchers at HZB in co-operation with Humboldt - Universität zu Berlin (HU, Berlin) have made an astonishing observation: they were investigating the formation of gold nanoparticles in a solvent and observed that the nanoparticles had not distributed themselves uniformly, but instead were self - assembled into small clusters.

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.

The electron microscope images, or micrographs, showed complex crystalline structures that formed in large part thanks to the shape of the gold nanoparticles.

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.

«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.

So far, Roukes has used this system to measure the masses of gold nanoparticles and three proteins found in the blood serum of cows.

And Conboy thinks the proportion of repaired cells could be increased by repeated injections of the gold nanoparticles, although her group has not yet shown this.

In this research, the detection of NS1 biomarker (antigen produced by Dengue virus) at nano detection limit is achieved with help of gold nanoparticles and antifouling molecules.

a) Gold nanoparticle catalyst (Au / HAP - NC), b) Images of gold nanoparticles (black dot in red circle) through Transmission Electron Microscope, c) Annular Dark Field of gold nanoparticles through Scanning Electron Microscope.

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.

Beyond the activity of the drugs, the plasmonic effects of the gold nanoparticles could heat the nanoparticles when they are subjected to light, attacking the cancer cells through a second route.

The device consists of a gold nanoparticle, about 100 nanometers in diameter, embedded in a tiny cantilever — a miniature diving board — made of silicon nitride.

This involves a light particle (photon) exciting the electron cloud of a gold nanoparticle so that it starts oscillating.

An earlier study by Nam's research group was the first to demonstrate graphene integration onto a variety of different microstructured geometries, including pyramids, pillars, domes, inverted pyramids, and the 3D integration of gold nanoparticle / graphene hybrid structures.

Research Paper Dual radiosensitization and anti-STAT3 anti-proliferative strategy based on delivery of gold nanoparticle - oligonucleotide nanoconstructs to head and neck cancer cells.

Major challenges in the development of drug delivery systems (DDSs) have been the short half - life... chemistry affects the PK profile and organ distribution of a gold nanoparticle - based DDS containing both a passive and active targeting moiety via... -LSB-...]

Not exact matches

Engineers are working on a way to combine tiny, tiny pieces of gold, called nanoparticles, with an elastic polymer to create a stretchable, conductive material.

«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.»

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.

«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.

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

They coated strips of paper with one antibody from each pair, while the second antibody was attached to 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.

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

Gold nanoparticles also absorb visible light, causing some of its own electrons to be jolted out.

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.

Electron microscope images of visible - NIR light responsible photocatalyst composed with black phosphorous (BP), lanthanum titanate (LA2Ti2O7, LTO), and gold nanoparticles (Au).

In the new study, Kelly and her colleagues chose to make rod - shaped gold nanoparticles the stars of their new molecular movies.

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.

Naomi Halas and co-workers at Rice University in Houston laced a mixture of water and ethanol with gold — silica nanoparticles and shone laser light on the suspension from above.

Clever use of a microscopic resonator can quickly measure the masses of proteins and gold nanoparticles.

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.

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.