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    • 1. 发明授权
    • Mass spectrometer and method for using same
    • 质谱仪及其使用方法
    • US08395112B1
    • 2013-03-12
    • US12898264
    • 2010-10-05
    • Mark E. Bier
    • Mark E. Bier
    • H01J49/34B01D59/44
    • H01J49/422C12Q1/6872G01N21/53G01N21/6428G01N2021/6439G01N2021/6465G01N2021/6467G01N2021/6482G01N2021/6493H01J49/4255
    • Apparatus including an ion trap, a controller connected to the ion trap, wherein the controller includes a memory containing computer readable instructions which, when executed, cause the controller to send control signals to the ion trap so that the ion trap produce and maintain a trapping field in the ion trap, a waveform generator to change the trapping field so that ions of a predetermined mass in the trapping chamber are selectively moved; a secondary waveform generator to change the orbits of the ions; an energy source to excite ions to emit photons, an optical detector to detect the emitted photons, and a processor which can apply fast-Fourier transform analysis of the time-domain signal of the detected emitted photons to generate a frequency or mass spectrum related to mass-to-charge ratio of the ions.
    • 包括离子阱的装置,连接到离子阱的控制器,其中所述控制器包括含有计算机可读指令的存储器,所述计算机可读指令在执行时使所述控制器向所述离子阱发送控制信号,使得所述离子阱产生并保持捕集 波形发生器,用于改变俘获场,使得俘获室中的预定质量的离子被选择性地移动; 次级波形发生器,用于改变离子的轨道; 用于激发离子发射光子的能量源,用于检测发射的光子的光学检测器,以及可以对所检测到的发射光子的时域信号进行快速傅里叶变换分析的处理器,以产生与 离子的质荷比。
    • 7. 发明授权
    • Microcolumnar analytical system with optical fiber sensor
    • 具有光纤传感器的微柱分析系统
    • US5650846A
    • 1997-07-22
    • US562082
    • 1995-11-21
    • Hongfeng YinCatherine Keely Templin
    • Hongfeng YinCatherine Keely Templin
    • G01N21/64G01N21/01G01N21/05G01N21/65G01N27/447G01N30/74
    • G01N21/645G01N27/44721G01N30/74G01N2021/6467G01N2021/6482G01N2021/6484
    • An analytical system for analyzing a fluid sample is disclosed. The analytical system includes a microcolumn for conducting the fluid sample, a light source for delivering light through the microcolumnar wall into the microcolumn near the outlet end of that microcolumn, and an optical fiber aligned with the microcolumn to detect light that radiates from the fluid sample without passing through the microcolumnar wall. The microcolumn has an inlet end and an outlet end. A light-inlet end of the optical fiber is nonfixedly coupled to the outlet end of the microcolumn. As the fluid sample is driven from the inlet end to the outlet end of the microcolumn, a light of a suitable wavelength is directed at the microcolumn near its outlet end to cause light interaction with the fluid sample. As a result, light radiates from the fluid sample. This light is collected by the optical fiber to provide information on the presence or quantity of an analyte in the fluid sample.
    • 公开了一种用于分析流体样品的分析系统。 分析系统包括用于导入流体样品的微柱,用于将光通过微柱壁输送到微柱出口端附近的微柱中的光源和与微柱对准的光纤以检测从流体样品辐射的光 而不通过微柱壁。 微柱有入口端和出口端。 光纤的光入口端非固定地耦合到微柱的出口端。 当流体样品从微柱的入口端到出口端被驱动时,适当波长的光指向靠近其出口端的微柱,以引起与流体样品的光相互作用。 结果,光从流体样品辐射。 该光被光纤收集以提供关于流体样品中分析物的存在或数量的信息。
    • 10. 发明申请
    • Fluorescence-activated cell detector
    • 荧光激活细胞检测器
    • US20090189088A1
    • 2009-07-30
    • US12378757
    • 2009-02-19
    • Harold E. AyliffeCurtis S. King
    • Harold E. AyliffeCurtis S. King
    • G01N21/64G01N21/85G01T1/20
    • G01N21/05G01N21/645G01N2021/0346G01N2021/056G01N2021/058G01N2021/6421G01N2021/6441G01N2021/6467
    • An apparatus for detecting particles of interest that are dispersed in a fluid mix, which typically includes other particles. The apparatus typically is associated with an interrogation platform arranged to operate in harmony with an opaque member having an orifice sized to promote single-file travel of the particles there-through. A currently preferred embodiment includes a light pipe configured to impinge stimulation-radiation substantially transverse to a direction of fluid flow through the opaque member. Particles of interest may be tagged using antibody-binding, fluorescing molecules. Stimulation radiation from the source causes the tagged particles to undergo a Stokes-shift emission of fluorescence. The resulting fluorescence is detected by the radiation detector and indicates passage of the particles of interest. One workable opaque member is advantageously included in a thin film assembly carried on a removable and disposable card that is adapted for reception in the interrogation platform.
    • 用于检测分散在通常包括其它颗粒的流体混合物中的感兴趣的颗粒的装置。 该装置通常与询问平台相关联,该询问平台被布置成与具有孔径的不透明构件协调地操作,该孔口的尺寸适于促进颗粒在其上的单文件行进。 目前优选的实施例包括配置成将刺激辐射基本上横向于穿过不透明构件的流体流动的方向的光管。 可以使用抗体结合荧光分子来标记感兴趣的颗粒。 来自源的刺激辐射导致标记的颗粒经历斯托克斯发射的荧光。 所产生的荧光由辐射检测器检测并指示感兴趣的颗粒通过。 一个可加工的不透明构件有利地包括在携带在可移动和一次性卡上的薄膜组件中,该组件适于在询问平台中接收。