Sentences with phrase «gold nanoparticles at»

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).

Not exact matches

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.

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.

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.

«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.

«That nanoparticles of gold actually selectively transform methanol into formaldehyde is remarkable,» says Prof. Dr. Martin Muhler of the Laboratory of Industrial Chemistry at the RUB.

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.

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

Alexander Ohlinger at Ludwig Maximilian University in Munich (LMU), Germany, and colleagues suspended gold nanoparticles in a drop of water.

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.

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.

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

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 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.

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.

«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.

An international team working at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) has captured the first high - resolution 3 - D images from individual double - helix DNA segments attached at either end to gold nanoparticles.

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.

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.

Researchers at the University of Minnesota in Minneapolis have invented a new ultralow power technique to trap nanoparticles in the sub-10 nm gaps between two gold electrodes.

Gang Ren (standing) and Lei Zhang participated in a study at Berkeley Lab's Molecular Foundry that produced 3 - D reproductions of individual samples of double - helix DNA segments attached to gold nanoparticles.

«Gold nanoparticles were ideal for this study because they are generally inert at their core,» explains Vikesland.

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

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.

March 12, 2015 Optogenetics without the genetics 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.

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.

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.

There's gold in them thar nanoparticles: a team of researchers at the University of Missouri - Columbia has been able to turn soybeans into gold nanoparticles, using nothing more than gold salts, water and soybeans.

Mixing these produces the red - brown solution at the front of the photo, from which the dark powder of hybrid gold - copper nanoparticles is extracted.