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    • 5. 发明公开
    • PROCEDE ET DISPOSITIF D’ANALYSE DU MOUVEMENT DANS UN MILIEU DIFFUSANT
    • 方法和装置运动的散射介质中分析
    • EP1664744A1
    • 2006-06-07
    • EP04787434.2
    • 2004-09-24
    • Formulaction
    • SNABRE, PatrickBRUNEL, Laurent
    • G01N21/47G01N15/02G01P5/00G01P3/36
    • G01N15/0227G01N21/4795G01N2015/0216G01N2021/479
    • The invention relates to a method of detecting and analysing movement in a scattering medium. The inventive method consists in: projecting a coherent light (1) towards the scattering medium (5); performing a spatial and temporal sampling of the electromagnetic field of the light (6) scattered by the scattering medium, in order to obtain a plurality of images of said electromagnetic field; and analysing the speckle grains resulting from the images obtained from the spatial and temporal sampling of the electromagnetic field of the scattered light, in order to detect and analyse a movement in the scattering medium, said speckle grain analysis step comprising a step consisting in analysing the inter-image distance. The invention also relates to a device for detecting and analysing movement in a scattering medium. The inventive device comprises: means (1) for projecting a coherent light towards the scattering medium (5); matrix sensor means (2) which can be used to perform a spatial and temporal sampling of the electromagnetic field of the light (6) scattered by the scattering medium, in order to obtain a plurality of images of the electromagnetic field; means (3) for observing the images of the electromagnetic field of the scattered light; means (4) for analysing the speckle grains resulting from said images; and means for analysing the inter-image distance.
    • 8. 发明公开
    • Methods for the detection and quantitation of immunological substances
    • Verfahren zum Nachweis und zur Quantitativbestimmung von immunologischen Stoffen。
    • EP0266461A1
    • 1988-05-11
    • EP86308568.4
    • 1986-11-03
    • THE CENTER FOR IMMUNOLOGICAL STUDIES
    • Wyatt, Philip J.Lopapa, Alberto F.
    • G01N33/543
    • G01N21/47G01N33/54373G01N2021/479Y10S436/805Y10S436/807
    • Chemical substances, particularly immunological substances can be detected and quantified by:

      a) affixing to a surface a reactant material known to interact and to bind to, or to have a relatively high affinity for, the immunological substance to be detected, the substance being present in at least one medium;
      b) impinging the affixed surface with a source of coherent radiation;
      c) measuring a pattern of radiation scattered from the affixed surface;
      d) reacting the affixed surface with at least one medium containing the immunological substance;
      e) impinging the reacted affixed surface with substantially the same coherent radiation at substantially the same aspect and orientation utilized to perform step b);
      f) measuring a pattern of radiation scattered from the reacted affixed surface; and
      g) comparing the patterns of radiation derived from steps b) and f) to determine any differentiations therebetween. Unique instrumentation provides a complete system for convenient, precise quantitative measurement of immunological substances. The methods and instrumentation provide an extremely sensitive, yet relatively rapid, means for quantitative and qualitative analyses which has application to a broad range of biological fields.
    • 可以通过以下方式来检测和量化化学物质,特别是免疫学物质:a)将已知与待检测的免疫物质结合或结合或具有相对高的亲和力的反应物材料固定在表面上,该物质存在 在至少一种培养基中; b)用固体辐射源撞击固定的表面; c)测量从固定表面散射的辐射图; d)使固定表面与至少一种含有免疫物质的培养基反应; e)以基本上相同的方面和取向冲击具有基本上相同的相干辐射的反应的固定表面,以执行步骤b); f)测量从反应的固定表面散射的辐射图; 以及g)比较从步骤b)和f)得到的辐射模式以确定它们之间的任何差异。 独特的仪器提供了一个完整的系统,方便,精确地定量测量免疫物质。 方法和仪器为定量和定性分析提供了极其灵敏但相对较快的方法,可用于广泛的生物领域。