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    • 3. 发明授权
    • Spatially scanned optical reader system and method for using same
    • 空间扫描光学阅读器系统及其使用方法
    • US07604984B2
    • 2009-10-20
    • US11027547
    • 2004-12-29
    • Anthony G. FrutosJacques GollierJinlin PengGarrett A. PiechMichael B. Webb
    • Anthony G. FrutosJacques GollierJinlin PengGarrett A. PiechMichael B. Webb
    • C12M1/34G01N21/00G01N21/01G01J3/00G01J3/28G02B6/00G02B6/34G02B26/08G02F1/07
    • G01N21/253G01N21/554G01N21/7743
    • An optical reader system is described herein that uses a scanned optical beam to interrogate a biosensor to determine if a biomolecular binding event occurred on a surface of the biosensor. In one embodiment, the optical reader system includes a light source, a detector and a processor (e.g., computer, DSP). The light source outputs an optical beam which is scanned across a moving biosensor and while this is happening the detector collects the optical beam which is reflected from the biosensor. The computer processes the collected optical beam and records the resulting raw spectral or angle data which is a function of a position (and possibly time) on the biosensor. The processor can then analyze the raw data to create a spatial map of resonant wavelength (peak position) or resonant angle which indicates whether or not a biomolecular binding event occurred on the biosensor. Several other uses of the raw data are also described herein.
    • 本文描述了一种光学阅读器系统,其使用扫描的光束来询问生物传感器以确定生物分子结合事件是否在生物传感器的表面上发生。 在一个实施例中,光学读取器系统包括光源,检测器和处理器(例如,计算机,DSP)。 光源输出沿着移动的生物传感器扫描的光束,并且当发生这种情况时,检测器收集从生物传感器反射的光束。 计算机处理所收集的光束并记录所生成的原始光谱或角度数据,该数据是生物传感器上的位置(可能是时间)的函数。 然后,处理器可以分析原始数据以创建谐振波长(峰值位置)或共振角的空间图,其指示生物传感器上是否发生生物分子结合事件。 这里还描述了原始数据的几种其他用途。
    • 8. 发明申请
    • Fluorescent ligands for GPCR arrays
    • GPCR阵列的荧光配体
    • US20070238197A9
    • 2007-10-11
    • US11363400
    • 2006-02-27
    • Ye FangYulong HongJinlin Peng
    • Ye FangYulong HongJinlin Peng
    • G01N33/543
    • G01N33/582C07K7/083C07K14/63G01N33/6845G01N33/74G01N2333/63G01N2333/726
    • Microarrays employing a fluorescent ligand including a material having a binding affinity in the range of about 0.01 to about 25 nM, or about 0.1 to about 10 nM; a specificity to its cognate receptor in the range of about 50 to about 99%, or about 65 to about 99%; a cross-activity to other receptors of 0 to about 20%, or 0 to about 10%; a net charge per ligand of about −3 to about +5, or more preferably, about −2 to about +2 or most preferably for small compound ligands about −1 to about +2. The ligand may also have a hydrophobicity in the range of about 3 to about 55 minutes eluting time (as measured under specified eluting conditions). In some embodiments, the ligand includes fluorescently labeled motilin 1-16 labeled with Bodipy-TMR, rhodamine or Cy5-. Other embodiments include fluorescently labeled Cy5-naltrexone, Cy5-neurotensin 2-13, N-terminal labeled neurotensin 2-13 or lys-labeled labeled neurotensin 2-13.
    • 使用荧光配体的微阵列,其包括具有约0.01至约25nM或约0.1至约10nM范围内的结合亲和力的材料; 在约50至约99%,或约65至约99%的范围内对其同源受体的特异性; 与其他受体的交叉活性为0至约20%,或0至约10%; 每个配体的净电荷为约-3至约+5,或更优选约-2至约+2,或最优选约为-1至约+2的小化合物配体。 配体还可以具有约3至约55分钟洗脱时间(在规定的洗脱条件下测量)的疏水性。 在一些实施方案中,配体包括用Bodipy-TMR,罗丹明或Cy5-标记的荧光标记的胃动素1-16。 其他实施方案包括荧光标记的Cy5-纳曲酮,Cy5-神经丝氨酸2-13,N-末端标记的神经丝氨酸蛋白酶2-13或lys-标记的标记的神经丝氨酸素2-13。