... team predicted the structure for a cluster containing 25 gold atoms. They determined that the structure was comprised of an icosahedron-like 13-atom gold core protected by six "V-shaped" long units, ...
... and 20 atoms they observed the same structures that are familiar from their negative counterparts: 20 gold atoms stacked into a tetrahedron, a pyramid with a triangular base. With one atom fewer, the ...
... that clean automobile exhaust and breathing devices that protect miners and firefighters. For this purpose, nanoclusters—gold atoms bound together in crystals smaller than a strand of DNA—are the size ...
... young physicist sums up the results of his PhD research on electric current through atoms and molecules. "The ultimate aim of nanotechnology is to use molecules for electronics," he says. "That aim ...
... thus the largest ring system made of gold atoms produced to date. Large molecular ... Small rings made of positively charged gold atoms have been know for some time, but only recently could the Chinese ...
Researchers in China have recently made a "golden crown" with a diameter of only a few nanometers, a large ring-shaped molecule containing 36 gold atoms.
... paper will appear soon in the journal as well.
The catalyst in question – a gold atom linked to a cyclic alkyl amino carbene or CAAC – is a ligand (a special molecule that binds to metals) ...
... 3 million million million million gold atoms in a single kilogram.
While there have been other NEMS that ... them sensitive enough to resolve single atoms even at room temperature," Jensen said.
While ...
... a novel method to produce ultra-pure gold nanorods -- tiny, wand-like nanoparticles ... 250 nanometers long. In comparison, a single gold atom is only about one third of a nanometer in diameter. Thus, ...
... initially narrow," he recalled.
Lithium atoms are of the fermion class, meaning that that their spin-states ... he said.
Brookhaven's RHIC is designed to smash gold atoms together near the speed of light ...
... —a nanometer scale circuit element that contacts gold atoms with a single molecule. Their findings reveal ... world. "Knowing where each and every atom is in a single-molecule junction is simply beyond ...
... quark is nearly 200 times heavier than a proton in an atom's nucleus. Point-like, it has no size. It has the same mass as a gold atom and is one of the fundamental building blocks of nature.
...
... the surface you want to fix them to. A gold surface interacts very weakly with molecules; it ... are metallic, spin around the gold atoms creating an off-axis rotation. The beauty of phtalocyanines is ...
... acids called polyhistidines, which bind to charged gold atoms.
Gao compares the completed structure ... enough to be able to slip into a cell.
Incorporating gold provides a well-established binding site ...
Bombarding with single clusters of gold atoms helps identify nano-objects through molecular structure
