Sentences with phrase «with gold nanoparticle»

A DNA array detection method is reported in which the binding of oligonucleotides functionalized with gold nanoparticles leads to conductivity changes associated with target - probe binding events.

By appropriately decorating those graphene sheets with gold nanoparticles, the INRS - EMT team was able to increase significantly the density of electron - emitting sites, and thereby improve their FEE performance.

«The unique electronic structure of graphene along with its particular surface topography make it an ideal substrate for decoration with gold nanoparticles.

The researchers also injected the cell with gold nanoparticles, then trained a laser on them to heat up different parts of the cell.

To show that the enzymes were trapped inside the FMS pores, the team stained the protein - FMS complex with gold nanoparticles and documented the enzyme - in - pore complex through electron microscopy.

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.

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.

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

«Small gold nanoparticles are conjugated with miR - 182 sequences.

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

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.

To take an up - close look at the gold nanoparticles in action, the researchers made a vacuum - tight microfluidic chamber by pressing two silicon - nitride semiconductor chips together with a 150 - nanometer spacer in between.

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.

The developers combine the organic polymers with gold or silver nanoparticles.

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.

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.

In the second phase, researchers hit the gold nanoparticles with a low - energy laser with near - infrared (NIR) light.

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.

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).

«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.

A multidisciplinary team at the Centre d'Elaboration de Matériaux et d'Etudes Structurales (CEMES, CNRS), working in collaboration with physicists in Singapore and chemists in Bristol (UK), have shown that crystalline gold nanoparticles aligned and then fused into long chains can be used to confine light energy down to the nanometer scale while allowing its long - range propagation.

New technique detects target DNA (here, anthrax) by using it to link fixed strands with «probe» strands attached to current - carrying gold nanoparticles.

Mark Miller at the University of Edinburgh, UK, and his team got volunteers to breathe air filled with harmless gold nanoparticles.

In one experiment, they encoded the same sequence on all the octahedron's tethers, and attached strands with a complementary sequence to gold nanoparticles.

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.

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

In this case, the gold nanoparticles are conjugated with antibodies against SSEA - 5 or TRA -1-60, proteins that are found on the surfaces of stem cells.

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

Rene Schneider (Diez, MPG)-- «A novel parabolic prism - type TIR microscope to study gold nanoparticle - loaded kinesin - 1 motors with nanometer precision» (2013)

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.

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

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

Each individual DNA segment and gold nanoparticle naturally zipped together with a partner to form the double - stranded DNA segment with a gold particle at either end.

The researchers looked at how microbial communities (from waste - water - activated sludge) behaved when exposed to gold nanoparticles with various surface coatings and shapes.

The paper, «Photoluminescent Gold - Copper Nanoparticle Alloys with Composition - Tunable Near - Infrared Emission,» first appeared online April 3 and later in print April 10 in JACS (Journal of the American Chemical Society).

Eight - armed nanoparticles of gold coated with a gold - palladium alloy proved to be both efficient plasmonic sensors and efficient catalysts, even though gold alone is not normally a good catalyst and palladium is a poor plasmonic material.

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

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

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

Zhu Huai Yong, along with a group of researchers at Queensland University of Technology's School of Physical and Chemical Sciences, found that many church windows across Europe were decorated with paint containing gold nanoparticles (very basically: really tiny particles) of various sizes.

The sheets were then synthesized with nanometer - sized gold nanoparticles that can also absorb visible light.