Sentences with word «nanoclusters»

«We can control the number of nanoclusters pointing in the same direction, which affects the superconducting properties of the junction.»

The team's findings, says Kuznetsov, not only expand our fundamental understanding of how light interacts with nanoclusters of metallic particles, but have both theoretical and practical applications.

This is crucial information that can help researchers understand how nanoclusters interact with the environment.

This new thermodynamic stability theory explains why ligand - protected metal nanoclusters are stabilized at specific sizes.»

Researchers apply current pulses to control the number of nanoclusters pointing in the same direction, as depicted in the «disordered» versus «ordered» illustrations.

The study was also the first to investigate the filtering of very small nanocluster particles down to 1.3 nanometres in size.

On the left, a scanning tunneling microscope image captures the bright shape of the moly sulfide nanocluster on a graphite surface.

The researchers studied a previously identified molecularly precise nanocluster that has 102 gold atoms and 44 thiol ligands (Figure 1, right).

To understand the reactions that create nanoclusters, the team first designed new theoretical and computational approaches to studying the nanoparticle formation.

Using simple chemistry, he synthesized nanoclusters of this special moly sulfide.

All of the air filters that were tested effectively removed nanocluster particles smaller than 3 nanometres, which means that particles of this size are unlikely to enter indoor areas.

«Next, we are going to optimize the overall size of the catalysts, e.g., using Au nanoclusters with fine diameters as starting materials to further enhance the activity / selectivity for DMFC reactions,» said YANG.

«The research on this phenomenon is now proceeding because we are convinced that such nanoclusters lend themselves as catalysts, whether in fuel cells, in photocatalytic water splitting, or for other important reactions in chemical engineering,» explains Dr. Armin Hoell of HZB.

The actin and tetraspanin networks organize receptor nanoclusters to regulate B cell receptor - mediated signaling.

«Thermodynamics and Kinetics of Nanoclusters Controlling Gas - to - Particle Nucleation,» Journal of Physical Chemistry C 113 (24): 10354 - 10370.

We present a great variety of metasurfaces, from simple metallic hexagonal dots or continuous metallic lines to more complex structures such us raspberry - like bimetallic nanoclusters, all produced using self - assembled thin films of different molecular weight poly (styrene)- b - poly (2 - vinyl pyridine)(PS - b - P2VP) copolymers, synthetized by living anionic polymerization.

Lawrence Livermore National Laboratory Science and Technology Award for Discovery of Bucky - diamond and unraveling the structure of Si and Ge nanoclusters, 2004

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

A silver hydrosol is a mixture of silver ions and silver nanoclusters.

The indium phosphide nanoclusters are 400 times more likely to grab a photon passing through them than some organic molecules that have been used to split water.

Another breakthrough is the durability of the gold - nanocluster electrodes.

Researchers at the University of Jyväskylä, Finland, and Colorado State University, USA, have for the first time ever determined the dynamical behaviour of the ligand layer of a water - soluble gold nanocluster in solution.

«Thermodynamic Stability of Ligand - Protected Metal Nanoclusters» (DOI: 10.1038 / ncomms15988) was co-authored by Giannis Mpourmpakis, assistant professor of chemical and petroleum engineering, and PhD candidate Michael G. Taylor.

The diagram on the right shows how two positive hydrogen ions gain electrons through a chemical reaction at the moly sulfide nanocluster to form pure molecular hydrogen.

The researchers studied a previously identified molecularly precise nanocluster that has 102 gold atoms and 44 thiol ligands (see image, right).

Researchers apply current pulses in a magnetic field to boost the magnetic ordering, that is, the number of nanoclusters pointing in the same direction.

A gold electrode coated with nanoclusters of indium phosphide absorb incoming photons of light (that is the wavy line marked «hv» in the image).

«The novelty of our contribution is that we revealed that for experimentally synthesizable nanoclusters there has to be a fine balance between the average bond strength of the nanocluster's metal core, and the binding strength of the ligands to the metal core,» he said.

«We could then relate this to the structural and compositional characteristic of the nanoclusters, like size, number of metal atoms, and number of ligands.

A nanoparticle (or nanopowder or nanocluster or nanocrystal) is a microscopic particle with at least one dimension less than 100 nm.

Dr. Mpourmpakis explained that previous theories describing why nanoclusters stabilized at specific sizes were based on empirical electron counting rules — the number of electrons that form a closed shell electronic structure, but show limitations since there have been metal nanoclusters experimentally synthesized that do not necessarily follow these rules.

He deposited these nanoclusters onto a sheet of graphite, a material that conducts electricity.

The water layer on the titania support extends the reaction zone on the gold nanocluster and provides protons that assist in the oxygen dissociation step.

The critical current is the lowest when all the nanoclusters are aligned.

By making the nanoclusters smaller, researchers can reduce the pulse energy needed to raise or lower the magnetic order of the device.

The nanoclusters — about 20,000 per square micrometer — act like tiny bar magnets with «spins» that can be oriented either randomly or in a coordinated manner.

«It is these nanoclusters, these transient substructures on the cell membrane that assemble and disassemble quickly, that are involved in signal transmission,» Gorfe said.

«Now that we know exactly which ligand produces which NMR signal, we can proceed with precise studies on how this nanocluster interacts with the chemical and biological environment in the water phase.

Multifunctional Gold Nanoclusters - Based Nanosurface Energy Transfer Probe for Real - Time Monitoring of Cell Apoptosis and Self - Evaluating of Pro-Apoptotic Theranostics.

The paper «Experimental determination of the energy difference between competing isomers of deposited, size - selected gold nanoclusters», by D.M. Foster, R. Ferrando and R.E. Palmer, is published in Nature Communications, volume 9, page 1323 (2018) and is available open access.

They will also enable us to address how bicarbonate anions interact with calcium and magnesium cations in solution to create the nanoclusters that nucleate limestone formation, and how bicarbonate anions buffer blood and other bodily fluids.»

The nanoclusters then pass electrons liberated by the sun's energy into an iron - sulfur complex which acts like a match - maker between the negatively charged electron and a hydrogen proton in the surrounding water molecules.