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    • 32. 发明申请
    • PROCESS OF PURIFYING NANODIAMOND COMPOSITIONS AND APPLICATIONS THEREOF
    • 纯化NANODIAMOND组合物的方法及其应用
    • US20100028675A1
    • 2010-02-04
    • US12300660
    • 2007-05-14
    • Yury GogotsiVadym MochalinSebastian OsswaldGleb Yushin
    • Yury GogotsiVadym MochalinSebastian OsswaldGleb Yushin
    • C01B31/06
    • B82Y30/00C01B32/28Y10T428/2982
    • The presence of large amounts of non-diamond carbon in detonation synthesized nanodiamond (ND) severely limits applications of this exciting nanomaterial. An environmentally-friendly process is disclosed to selectively remove sp2-bonded carbon from ND. The content of up to 96% of sp3-bonded carbon in the oxidized samples is comparable to that found in microcrystalline diamond and is unprecedented for ND powders. Transmission electron microscopy and Fourier transform infrared spectroscopy studies show high purity 5-nm ND particles covered by oxygen-containing surface functional groups. The surface functionalization can be controlled by subsequent treatments. In contrast to current purification techniques, the disclosed process does not require the use of toxic or aggressive chemicals, catalysts or inhibitors and opens avenues for numerous new applications of nanodiamond.
    • 爆炸合成纳米金刚石(ND)中大量非金刚石碳的存在严重限制了这种激发纳米材料的应用。 公开了一种环境友好的方法来选择性地从ND去除sp2结合的碳。 氧化样品中高达96%的sp3键合碳的含量与微晶金刚石中的含量相当,对于ND粉末是前所未有的。 透射电子显微镜和傅里叶变换红外光谱研究显示由含氧表面官能团覆盖的高纯度5-nm ND颗粒。 表面官能化可以通过后续处理来控制。 与目前的纯化技术相反,所公开的方法不需要使用有毒或侵蚀性的化学物质,催化剂或抑制剂,并为纳米金刚石的众多新应用开辟了途径。
    • 40. 发明申请
    • NANO DISCHARGES IN LIQUIDS
    • 纳米在液体中的排放
    • US20110251604A1
    • 2011-10-13
    • US13055998
    • 2009-08-19
    • David StaackAlexander FridmanAlexander GutsolYury GogotsiGennady Friedman
    • David StaackAlexander FridmanAlexander GutsolYury GogotsiGennady Friedman
    • A61B18/00H01J7/00B05D1/04G01J3/30B82Y99/00
    • A61B18/042A61B2018/00125B82Y15/00G01N21/67G01N27/68
    • The present invention is direct to a nano-probe corona tool and uses thereof. A nano-probe corona tool is disclosed having a tip with a diameter in the nano-scale, typically around 100 nm. The nano-probe corona tool is constructed of electrically conductive material. On the other end of the tool, a pulsed voltage source outputs a pulsed voltage to generated a pulsed electrical potential at the tip. The pulsed electrical potential at the tip causes a plasma discharge corona to occur. Uses of the corona discharge include, but are not limited to, optical emission spectroscopy, in the enhancement of deposition of coatings and nanoscale welding, e.g., nanotube or nanowires to a contact pad and welding two nanowires together, and in nanoscale surgery. For example, a nano-probe comprising CNTs may be inserted into cell membranes. The resulting corona discharge may be used to destroy tumors within the cell.
    • 本发明直接涉及纳米探针电晕工具及其应用。 公开了纳米探针电晕工具,其具有直径在纳米级的尖端,通常为约100nm。 纳米探针电晕工具由导电材料构成。 在工具的另一端,脉冲电压源输出脉冲电压以在尖端产生脉冲电位。 尖端处的脉冲电位导致发生等离子体放电电晕。 电晕放电的使用包括但不限于光学发射光谱法,用于增强涂层的沉积和纳米尺度焊接,例如纳米管或纳米线到接触焊盘,并将两个纳米线焊接在一起,以及在纳米级手术中。 例如,可以将包含CNT的纳米探针插入细胞膜。 所产生的电晕放电可用于破坏细胞内的肿瘤。