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In vitro studies exploring the dispersion of diamond nanoparticles in cells have revealed that most diamond nanoparticles exhibit fluorescence and are uniformly distributed. [21] Fluorescent nanodiamond particles can be mass produced through irradiating diamond nanocrystallites with helium ions. [ 22 ]
[5] [6] The material is a series of interconnected diamond nanorods, with diameters of between 5 and 20 nanometres and lengths of around 1 micrometre each. [citation needed] Nanodiamond aggregates ca. 1 mm in size also form in nature, from graphite upon meteoritic impact, such as that of the Popigai impact structure in Siberia, Russia. [1]
They suggest (along with other sources) that smaller particle sizes = stronger material. This is exactly what their paper on Aggregate Diamond Nanorods shows. They most likely made nano sized diamond and not a new allotrope of carbon. 8/28/08 Not going to put a ton of effort in to this. But just a question, the elastic modulus of diamond is ...
Detonation nanodiamond (DND), also known as ultradispersed diamond (UDD), is diamond that originates from a detonation. When an oxygen-deficient explosive mixture of TNT / RDX is detonated in a closed chamber, diamond particles with a diameter of c. 5 nm are formed at the front of the detonation wave in the span of several microseconds.
In chemistry, diamondoids are generalizations of the carbon cage molecule known as adamantane (C 10 H 16), the smallest unit cage structure of the diamond crystal lattice. Diamondoids also known as nanodiamonds or condensed adamantanes may include one or more cages (adamantane, diamantane , triamantane , and higher polymantanes) as well as ...
"I watch my animals die and get murdered," Kathy McKay, owner of the 1,600-acre K-Diamond-K ranch in Washington state, told CBS News. She says she can't sleep at night in fear for the lives of her ...
Brooks Nader's recent ring choice is raising eyebrows.. The 28-year-old model is sparking engagement rumors after she was spotted wearing a ring with a large pear-shaped diamond at the center when ...
The hardness of synthetic diamond (70–150 GPa) is very dependent on the relative purity of the crystal itself. The more perfect the crystal structure, the harder the diamond becomes. It has been reported that HPHT single crystals and nanocrystalline diamond aggregates (aggregated diamond nanorods) can be harder than natural diamond. [25]