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    • 8. 发明授权
    • System and method for detecting cells or components thereof
    • 用于检测细胞或其组分的系统和方法
    • US07473529B1
    • 2009-01-06
    • US11095098
    • 2005-03-31
    • Marc D. PorterRobert J. LipertRobert T. DoyleDesiree S. GrubishaSalma Rahman
    • Marc D. PorterRobert J. LipertRobert T. DoyleDesiree S. GrubishaSalma Rahman
    • C12Q1/68
    • C12Q1/6837
    • A system and method for detecting a detectably labeled cell or component thereof in a sample comprising one or more cells or components thereof, at least one cell or component thereof of which is detectably labeled with at least two detectable labels. In one embodiment, the method comprises: (i) introducing the sample into one or more flow cells of a flow cytometer, (ii) irradiating the sample with one or more light sources that are absorbed by the at least two detectable labels, the absorption of which is to be detected, and (iii) detecting simultaneously the absorption of light by the at least two detectable labels on the detectably labeled cell or component thereof with an array of photomultiplier tubes, which are operably linked to two or more filters that selectively transmit detectable emissions from the at least two detectable labels.
    • 一种用于检测样品中可检测标记的细胞或其组分的系统和方法,所述样品包含一种或多种细胞或其组分,其至少一种细胞或其组分可检测地用至少两种可检测标记物标记。 在一个实施方案中,该方法包括:(i)将样品引入流式细胞计数器的一个或多个流动池中,(ii)用被至少两个可检测标记吸收的一个或多个光源照射样品, 将被检测到,并且(iii)同时检测由可检测标记的细胞或其组分上的至少两个可检测标记对光的吸收,其中光学倍增管阵列可操作地连接到选择性地与两个或更多个过滤器 从所述至少两个可检测标记传输可检测的排放物。
    • 9. 发明授权
    • Chemical sensor and coating for same
    • 化学传感器和涂层相同
    • US06432362B1
    • 2002-08-13
    • US09413401
    • 1999-10-06
    • Ruth ShinarGuojun LiuMarc D. Porter
    • Ruth ShinarGuojun LiuMarc D. Porter
    • G01N2700
    • G01N29/022G01N2291/014G01N2291/0212G01N2291/0222G01N2291/0256G01N2291/0423G01N2291/0426G01N2291/0427
    • An acoustic wave based-chemical sensor utilizing a crystal substrate and a coating of at least two blended materials is disclosed. The blended materials comprise a combination of (a) a high glass transition temperature polymer or a material of high melting point, and (b) a low glass transition temperature polymer or a material having a low melting point. Transducers are connected to the crystal substrate to generate an alternating potential across the crystal substrate, which in turn causes the crystal to resonate due to the converse piezoelectric effect. The blended coating absorbs the analyte, thus changing the mass of the chemical sensor, and accordingly changing its resonant frequency. The transducers detect this change in resonant frequency to indicate that the analyte is present. The use of blended materials results in a thicker coating combining the preferred properties of the blend constituents, such as improved detection sensitivities, faster response times, less acoustic wave damping, and higher operational temperature ranges.
    • 公开了一种使用晶体基底的基于声波的化学传感器和至少两种混合材料的涂层。 混合材料包括(a)高玻璃化转变温度聚合物或高熔点材料的组合,和(b)低玻璃化转变温度聚合物或具有低熔点的材料。 传感器连接到晶体衬底以在晶体衬底之间产生交替电位,这又导致晶体由于相反的压电效应而谐振。 混合涂层吸收分析物,从而改变化学传感器的质量,从而改变其共振频率。 传感器检测谐振频率的这种变化,以表明分析物存在。 混合材料的使用导致较厚的涂层结合混合物组分的优选性能,例如改进的检测灵敏度,更快的响应时间,更少的声波阻尼和更高的操作温度范围。
    • 10. 发明申请
    • RAMAN-ACTIVE REAGENTS AND THE USE THEREOF
    • 拉曼活性试剂及其用途
    • US20110070662A1
    • 2011-03-24
    • US12894810
    • 2010-09-30
    • Marc D. PorterJing NiRobert J. LipertG. Brent Dawson
    • Marc D. PorterJing NiRobert J. LipertG. Brent Dawson
    • G01N33/53G01N21/00
    • C07H21/02G01N21/658G01N33/532G01N33/54373G01N33/553G01N33/58G01N33/587
    • The present invention provides a new class of Raman-active reagents for use in biological and other applications, as well as methods and kits for their use and manufacture. Each reagent includes a Raman-active reporter molecule, a binding molecule, and a surface enhancing particle capable of causing surface enhanced Raman scattering (SERS). The Raman-active reporter molecule and the binding molecule are affixed to the particle to give both a strong SERS signal and to provide biological functionality, i.e. antigen or drug recognition. The Raman-active reagents can function as an alternative to fluorescence-labeled reagents, with advantages in detection including signal stability, sensitivity, and the ability to simultaneously detect several biological materials. The Raman-active reagents also have a wide range of applications, especially in clinical fields (e.g., immunoassays, imaging, and drug screening).
    • 本发明提供用于生物和其它应用的新类型的拉曼活性试剂,以及用于其使用和制造的方法和试剂盒。 每种试剂包括拉曼活性报道分子,结合分子和能够引起表面增强拉曼散射(SERS)的表面增强颗粒。 拉曼活性报道分子和结合分子固定在颗粒上,以产生强的SERS信号并提供生物功能,即抗原或药物识别。 拉曼活性试剂可以作为荧光标记试剂的替代品,具有检测的优点,包括信号稳定性,灵敏度和同时检测几种生物材料的能力。 拉曼活性试剂也具有广泛的应用,特别是在临床领域(例如免疫测定,成像和药物筛选)中。