Sentences with phrase «nanodiamonds in»

One of the challenges is the random orientation of nanodiamonds in a solution which makes it difficult to achieve resonance with microwaves.

Levitating the nanodiamonds in a vacuum enables precise control and rigorous measurement of the floating particles.

In tests, the researchers dispersed nanodiamonds in mineral oil and found that a very small concentration — one - tenth of a percent by weight — raised the thermal conductivity of the oil by 70 percent at 373 kelvins (about 211 degrees Fahrenheit).

To realize the potential of nanodiamonds in the delivery of biomolecules using tRNA as a model, the team turned to Titan to shed a much - needed light on the underlying physics.

The findings will likely guide future studies not only on the potential of nanodiamonds in drug delivery but also on fighting bacteria and treating viral diseases.

Not exact matches

In addition to the lack of any impact craters determined to have occurred around that time anywhere in the world, the radiocarbon dates of the layer of carbon, soot, charcoal, nanodiamonds, microspherules and iridium, asserted to have been the result of this catastrophic event, vary widely before and after the megafaunal extinction, anywhere from 14,000 to 10,000 years agIn addition to the lack of any impact craters determined to have occurred around that time anywhere in the world, the radiocarbon dates of the layer of carbon, soot, charcoal, nanodiamonds, microspherules and iridium, asserted to have been the result of this catastrophic event, vary widely before and after the megafaunal extinction, anywhere from 14,000 to 10,000 years agin the world, the radiocarbon dates of the layer of carbon, soot, charcoal, nanodiamonds, microspherules and iridium, asserted to have been the result of this catastrophic event, vary widely before and after the megafaunal extinction, anywhere from 14,000 to 10,000 years ago.

Yury Gogotsi, PhD, Distinguished University and Bach professor in the College of Engineering, and his research team from the Department of Materials Science and Engineering, recently published their work — entitled «Nanodiamonds Suppress Growth of Lithium Dendrites» — in the journal Nature Communications.

They're doing this by adding nanodiamonds to the electrolyte solution in a battery.

The stone's noble gas content supports an extraterrestrial origin, while the presence of tiny diamonds — larger than nanodiamonds found in a common kind of meteorite called chondrites, but similar in size to diamond aggregates known to be formed by impacts — supports a cometary origin.

Nanodiamonds have been used in the electroplating industry for some time as a way of making metal coatings more uniform.

Drexel researchers have reported that adding nanodiamonds to the electrolyte solution in lithium batteries can prevent the formation of dendrites, the tendril - like deposits of ions that can grow inside a battery over time and cause hazardous malfunctions.

«Recipe for safer lithium batteries — Just add diamonds: Nanodiamonds can prevent short - circuits and fires in lithium batteries.»

In it, they describe a process by which nanodiamonds — tiny diamond particles 10,000 times smaller than the diameter of a hair — curtail the electrochemical deposition, called plating, that can lead to hazardous short - circuiting of lithium ion batteries.

They report in the paper that mixing nanodiamonds into the electrolyte solution of a lithium ion battery slows dendrite formation to nil through 100 charge - discharge cycles.

For example, some say that nanodiamonds are common in ordinary geological formations, and that magnetic particles could come from ordinary fires.

By comparing the SNS neutron scattering data with the data from the team's molecular dynamics simulations on Titan, the researchers have confirmed that nanodiamonds enhance the dynamics of tRNA when in the presence of water.

In a series of papers, Firestone and his colleagues claimed various kinds of evidence for the hypothesis, including deposits of the element iridium (rare on Earth but abundant in meteorites), microscopic diamonds (called nanodiamonds), and magnetic particles in deposits at sites supposedly dated to about 12,800 years agIn a series of papers, Firestone and his colleagues claimed various kinds of evidence for the hypothesis, including deposits of the element iridium (rare on Earth but abundant in meteorites), microscopic diamonds (called nanodiamonds), and magnetic particles in deposits at sites supposedly dated to about 12,800 years agin meteorites), microscopic diamonds (called nanodiamonds), and magnetic particles in deposits at sites supposedly dated to about 12,800 years agin deposits at sites supposedly dated to about 12,800 years ago.

These parameters also helped researchers better characterize the nanodiamond - water interactions and tRNA dynamics in the presence of nanodiamonds.

Researchers have demonstrated how to control the «electron spin» of a nanodiamond while it is levitated with lasers in a vacuum, an advance that could find applications in quantum information processing, sensors and studies into the fundamental physics of quantum mechanics.

This is a schematic of an optical tweezer used in a vacuum chamber by Purdue University researchers, who controlled the «electron spin» of a levitated nanodiamond.

«We've shown how to continuously flip the electron spin in a nanodiamond levitated in a vacuum and in the presence of different gases,» said Tongcang Li, an assistant professor of physics and astronomy and electrical and computer engineering at Purdue University.

In addition to the insights they give into planetary science, nanodiamonds made on Earth could potentially be harvested for commercial purposes — uses that span medicine, scientific equipment and electronics.

The technique exploits quantum effects in tiny diamond crystals, or «nanodiamonds», to detect changes down to a few thousandths of a degree.

The nanodiamond thermometers also have potential uses in chemistry to monitor how heat flows affect chemical reactions, especially at the interface between two substances, says David Awschalom, a physicist at the University of California in Santa Barbara, who led one of the earlier studies demonstrating diamond - based thermometry.

In the experiment, they could see that nearly every carbon atom of the original plastic was incorporated into «nanodiamonds» — small diamond structures up to a few nanometers wide.

Nanophase Carbon Materials (carbon nanotubes, nanodiamond, nanocomposite]-- A form of matter in which small clusters of atoms form the building blocks of a larger structure.

The Nitrogen - Vacancy defect (NV centre) in diamonds and diamond nanocrystals (nanodiamonds) provides a unique alternative for DNP as the NV centre electron spin can be optically polarized to over 90 % polarization at room temperature by short laser pulses.

Considering the model in a flow cell containing nanodiamonds immobilized in a hydrogel, numerical illustration shows flowing water molecules can be polarized over 1000-fold, in sufficient volumes for detection by current NMR scanners.

Los Alamos, New Mexico, Nov. 6, 2017 — For the first time in the U.S., time - resolved small - angle x-ray scattering (TRSAXS) is used to observe ultra-fast carbon clustering and graphite and nanodiamond production in the insensitive explosive Plastic Bonded Explosive (PBX) 9502, potentially leading to better computer models of explosive performance.

This opens a path for the application of our DNP technique to spins in and outside of nanodiamonds.

This high levels of hyperpolarization, together with the long nuclear - spin polarization lifetimes in nanodiamonds and the relatively high density of 13C nuclei, turn functionalized and hyperpolarized nanodiamonds into attractive MRI probes for molecular imaging both in vitro and in vivo.

Together with adiabatic rotations of the external magnetic fields or rotations of the nanodiamonds leads to over 10,000-fold enhancement in the 13C polarization.

«We developed a unique nanomechanical approach to precisely control and quantify the ultralarge elastic strain distributed in the nanodiamond samples,» said Yang Lu, associate professor at Chinese University of Hong Kong (CUHK).

United Kingdom About Blog The international and interdisciplinary forum, Fullerenes, Nanotubes, and Carbon Nanostructures, aims at publishing peer - reviewed research of original work in all areas of CARBON research including fullerenes, nanotubes, nanodiamond, graphene, any type of carbon nanostructure and any work dealing with carbon and carbon - related topics.

According to Richard Kerr's news item that accompanies the article in Science, at least some experts are skeptical that Kennett and others have really found nanodiamonds, or that, even if they have, they are necessarily evidence of an impact.