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热词
    • 67. 发明授权
    • Photo-thermal sensor including an expansion lens in a light beam path
through a sample for determining the concentration of a compound in the
sample
    • 光热传感器包括通过样品的光束路径中的膨胀透镜,用于确定样品中化合物的浓度
    • US5513006A
    • 1996-04-30
    • US378566
    • 1995-01-26
    • Torsten SchulzWerner Faubel
    • Torsten SchulzWerner Faubel
    • G01N21/17G01N21/41G01N25/16G01N21/00
    • G01N21/171
    • In a photo-thermal sensor for determining the concentration of a compound in a sample which includes an excitation light source generating a first light beam of a wave length which is well absorbed by the compound to be determined, a modulator and an optical lens system disposed in the first light beam such that the first light beam is constricted at the location of the sample through which it is directed, a probe light source generating a second light beam extending at a right angle to the first light beam, a beam divider arranged at the intersection of the first and second light beams whereby part of the first light beam is deflected at one side of the beam divider and the second light beam passes through the beam divider such that both beams incide on the sample anti a photo-sensitive detector arranged in the light beam path behind the sample, a diaphragm is arranged in the beam path directly after the sample and an expansion lens adapted to expand the second light beam at the location of the sample to a diameter at least 5 times the diameter of the first light beam is disposed in the path of the second beam ahead of the beam divider for determining the loss of strength of the second light beam reaching the detector after passage through the sample and the diaphragm as an indication of the concentration of the compound in the sample.
    • 在用于确定样品中化合物的浓度的光热传感器中,所述光热传感器包括激发光源,所述激发光源产生被待确定的化合物很好地吸收的波长的第一光束,调制器和光学透镜系统被布置 在所述第一光束中使得所述第一光束在所述第一光束被引导到的所述样品的位置处被收缩,产生与所述第一光束成直角延伸的第二光束的探测光源,布置在 第一和第二光束的交叉点,使得第一光束的一部分在分束器的一侧偏转,并且第二光束通过分束器,使得两个光束入射到样品上,反射式光敏检测器被布置 在采样后面的光束路径中,在样品之后的光束路径中布置有光阑,并且适于在该位置扩展第二光束的扩展透镜 样品的直径至少为第一光束直径的5倍的直径设置在光束分离器前面的第二光束的路径中,以确定通过第一光束之后到达检测器的第二光束的强度损失 样品和隔膜作为样品中化合物浓度的指示。
    • 70. 发明申请
    • ASSAYS
    • 测定
    • US20150198604A1
    • 2015-07-16
    • US14564067
    • 2014-12-08
    • Eugen ErmantrautThomas KaiserJens TuchscheererVico BaierTorsten SchulzAnke Wostemeyer
    • Eugen ErmantrautThomas KaiserJens TuchscheererVico BaierTorsten SchulzAnke Wostemeyer
    • G01N33/58
    • G01N33/58B01L3/50273B01L2200/025B01L2200/0684B01L2300/0816B01L2300/0887B01L2300/123B01L2400/0481Y10T436/25
    • A method for assaying a sample for each of multiple analytes is described. The method includes contacting an array of spaced-apart test zones with a liquid sample (e.g., whole blood). The test zones disposed within a channel of a microfluidic device. The channel is defined by at least one flexible wall and a second wall which may or may not be flexible. Each test zone comprising a probe compound specific for a respective target analyte. The microfluidic device is compressed to reduce the thickness of the channel, which is the distance between the inner surfaces of the walls within the channel. The presence of each analyte is determined by optically detecting an interaction at each of multiple test zones for which the distance between the inner surfaces at the corresponding location is reduced. The interaction at each test zone is indicative of the presence in the sample of a target analyte. Capillary structures of the devices or used in the methods may comprise a matrix and the devices may comprise control elements and methods for assaying of sample may use corresponding controlling activities.
    • 描述了用于分析多种分析物中的每一种的样品的方法。 该方法包括使间隔开的测试区域的阵列与液体样品(例如全血)接触。 测试区域设置在微流体装置的通道内。 通道由至少一个柔性壁和可以是柔性的第二壁限定。 每个测试区域包含对各个目标分析物特异的探针化合物。 微流体装置被压缩以减小通道的厚度,其是通道内的壁的内表面之间的距离。 每个分析物的存在通过光学检测在相应位置处的内表面之间的距离减小的多个测试区域中的每一个处的相互作用来确定。 每个测试区域的相互作用表明样品中目标分析物的存在。 装置的毛细结构或方法中使用的毛细管结构可以包括基质,并且装置可以包括控制元件和用于测定样品的方法可以使用相应的控制活动。