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    • 2. 发明申请
    • Sensing photons from objects in channels
    • 从通道中的物体感测光子
    • US20070145249A1
    • 2007-06-28
    • US11315992
    • 2005-12-22
    • Peter KieselMeng LeanOliver SchmidtArmin VolkelNoble Johnson
    • Peter KieselMeng LeanOliver SchmidtArmin VolkelNoble Johnson
    • H01J40/14
    • G01N21/05G01N21/645G01N21/65G01N21/658G01N2021/0346G01N2021/1734G01N2021/6421G01N2021/6482
    • A fluidic structure includes a channel and along the channel is a series of sensing components to obtain information about objects traveling within the channel, such as droplets or other objects carried by fluid. At least one sensing component includes a set of cells of a photosensor array. The set of cells photosense a range of photon energies that emanate from objects, and include a subset of cells that photosense within subranges. A processor can receive information about objects from the sensing components and use it to obtain spectral information. The processor can perform an initial analysis using information from one set of sensing components and, based on the results, control a fluidic device in the channel, such as a gate, to retain objects, such as for concentration and more detailed analysis by other sensing components, or to purge objects from the channel.
    • 流体结构包括通道,并且沿着通道是一系列感测部件,以获得关于在通道内行进的物体的信息,例如由流体携带的液滴或其它物体。 至少一个感测组件包括一组光电传感器阵列的单元。 该组细胞照射从物体发出的一系列光子能量,并且包括在子范围内的光密度的子集。 处理器可以从感测组件接收关于对象的信息,并使用它来获得光谱信息。 处理器可以使用来自一组感测组件的信息来执行初始分析,并且基于该结果,控制通道(例如门)中的流体装置以保持对象,例如通过其他感测的浓度和更详细的分析 组件,或从通道清除对象。