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    • 4. 发明申请
    • SYSTEMS AND METHODS FOR LIQUID QUALITY ASSESSMENT
    • 用于液体质量评估的系统和方法
    • WO2015019327A1
    • 2015-02-12
    • PCT/IB2014/063798
    • 2014-08-08
    • UNIVERSITY OF CALCUTTA
    • DASGUPTA, Anjan Kr.RAJA, Sufi Oasim
    • G01N21/00
    • G01N21/94G01N21/49G01N21/82G01N33/1813G01N2201/0683
    • The present technology provides liquid quality assessment systems and methods for their preparation and use. The systems can include a light source configured to illuminate a liquid sample, a reflecting surface configured to reflect light scattered by the liquid sample, and a detector configured to detect light intensity, wherein the light source illuminates the liquid sample with a first incident light when the reflecting surface is absent; the detector detects a first light scattered by the liquid sample in response to the first incident light; the light source illuminates the liquid sample with a second incident light when the reflecting surface is present; and the detector detects a second light which is a combination of light scattered by the liquid sample in response to the second incident light and light reflected by the reflecting surface of light scattered by the liquid sample in response to the second incident light.
    • 本技术提供了液体质量评估系统及其制备和使用方法。 该系统可以包括被配置为照亮液体样品的光源,被配置为反射由液体样品散射的光的反射表面和被配置为检测光强度的检测器,其中光源以第一入射光照射液体样品, 反射面不存在; 检测器响应于第一入射光检测由液体样品散射的第一光; 当存在反射表面时,光源用第二入射光照射液体样品; 并且所述检测器响应于所述第二入射光和由所述液体样品响应于所述第二入射光而散射的光的所述反射面反射的光而检测作为所述液体样本散射的光的组合的第二光。
    • 8. 发明申请
    • STATIC MAGNETIC FIELD INDUCED DIFFERENTIAL FLUORESCENCE EMISSION
    • 静态磁场诱导差分荧光发射
    • WO2013167933A1
    • 2013-11-14
    • PCT/IB2012/001501
    • 2012-08-06
    • UNIVERSITY OF CALCUTTADASGUPTA, Anja Kr.RAJA, Sufi Oasim
    • DASGUPTA, Anja Kr.RAJA, Sufi Oasim
    • F21V9/16
    • G01N21/6408
    • Exposure to a static magnetic field changes the fluorescence intensity of a wide range of fluorophores, including small molecules (e.g., tryptophan), complex organizations of fluorophores (e.g., proteins), quantum dots, nanoparticles, and other materials. Different materials may experience different changes in fluorescence emission upon exposure to a magnetic field— for instance, some or all of a material's fluorescence emission spectrum may increase in amplitude or shift in wavelength. Different materials may also experience different changes in relaxation time, which is the time constant associated with fluorescence decay. These magnetically induced differences fluorescence emission spectra and decay can be used to identify, classify, or sort materials noninvasively.
    • 暴露于静态磁场会改变荧光团的荧光强度,包括小分子(如色氨酸),荧光团(如蛋白质),量子点,纳米颗粒和其他材料的复杂组织。 不同的材料在暴露于磁场时可能会发生荧光发射的不同变化 - 例如,材料的一些或全部荧光发射光谱可能会增加幅度或波长偏移。 不同的材料也可能经历不同的弛豫时间变化,这是与荧光衰变相关的时间常数。 这些磁诱导差异荧光发射光谱和衰变可用于非侵入性地识别,分类或分类材料。