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    • 3. 发明授权
    • Sample substrate for laser desorption ionization-mass spectrometry, and method and device both using the same for laser desorption ionization-mass spectrometry
    • 用于激光解吸电离质谱的样品衬底,以及用于激光解吸电离质谱法的方法和装置
    • US08558169B2
    • 2013-10-15
    • US13388970
    • 2010-07-29
    • Masaru HoriHiroaki SatoYasutake ToyoshimaMineo Hiramatsu
    • Masaru HoriHiroaki SatoYasutake ToyoshimaMineo Hiramatsu
    • H01J49/00
    • G01N27/622
    • An object of the present invention is to provide a sample substrate for laser desorption ionization mass spectrometry for LDI-MS which substrate enables mass spectrometric analysis of a sample correctly at high sensitivity without generating interference peaks upon irradiation of the sample to laser light and uniform application of the sample onto a base. Another object of the invention is to provide a mass spectrometer (device) employing the sample substrate.In the sample substrate for laser desorption ionization mass spectrometry, the sample substrate is formed of a base and carbon nanowalls having wall surfaces onto which a sample to undergo mass spectrometry is applied, wherein the carbon nanowalls are formed on the base so as to stand on the base. The surfaces of carbon nanowalls serve as an ionization medium and hydrophilized. By use of the sample substrate, mass spectrometry of a sample having a wide range (high to low) molecular weight can be reliably performed at high precision and sensitivity.
    • 本发明的目的是提供一种用于LDI-MS的激光解吸电离质谱的样品基片,该基片能够以高灵敏度正确地对样品进行质谱分析,而不会在将样品照射到激光上并产生均匀的应用时产生干涉峰 的样品到基底上。 本发明的另一个目的是提供一种采用样品基质的质谱仪(装置)。 在用于激光解吸电离质谱的样品衬底中,样品衬底由具有壁表面的基底和碳纳米壁形成,其上应用要进行质谱的样品,其中碳纳米壁形成在基底上以便立在 的基地。 碳纳米壁的表面用作电离介质并亲水化。 通过使用样品基板,可以以高精度和灵敏度可靠地进行具有宽范围(高低分子量)的样品的质谱分析。
    • 10. 发明申请
    • LIGHT SOURCE
    • 光源
    • US20100201978A1
    • 2010-08-12
    • US12450402
    • 2008-03-24
    • Masaru HoriHiroyuki KanoShoji Den
    • Masaru HoriHiroyuki KanoShoji Den
    • G01N21/31
    • H05H1/0025G01N21/15G01N21/3103G01N2021/158G01N2201/023G01N2201/0233G01N2201/061
    • To provide a light source which realizes accurate determination of the particle density of a plasma atmosphere without disturbing the state of the plasma atmosphere.The light source of the invention includes a tubular casing 12; a cooling medium passage 30 for causing a cooling medium to flow therethrough, the passage being provided along the inner wall of the casing; a lens 50 provided at a tip end of the casing; a first electrode 44 and a second electrode 45 which are provided in the casing and before the lens so as to be vertical to the axis of the casing and parallel to each other; and an insulating spacer 46 provided between the first electrode and the second electrode. The light source further includes a hole 47 axially penetrating the center portions of the first electrode, the insulating spacer, and the second electrode; and an electric discharge gas passage for introducing an electric discharge gas, along the inner wall of the cooling medium passage, to the back surface of the lens so that the electric discharge gas is reflected by the lens and flows through the hole.
    • 提供一种实现等离子体气氛的粒子密度的精确测定而不干扰等离子体气氛的状态的光源。 本发明的光源包括管状壳体12; 用于使冷却介质流过其中的冷却介质通道30,所述通道沿着所述壳体的内壁设置; 设置在所述壳体的前端的透镜50; 第一电极44和第二电极45,其设置在壳体内并且在透镜之前垂直于壳体的轴线并且彼此平行; 以及设置在第一电极和第二电极之间的绝缘间隔件46。 光源还包括轴向穿过第一电极,绝缘间隔物和第二电极的中心部分的孔47; 以及放电气体通道,用于沿着冷却介质通道的内壁将放电气体引导到透镜的背面,使得放电气体被透镜反射并流过孔。