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    • 2. 发明授权
    • Method and apparatus for performing biological reactions on a substrate surface
    • 在基材表面进行生物反应的方法和装置
    • US06642046B1
    • 2003-11-04
    • US09458534
    • 1999-12-09
    • Mark W. McGarryPeter KahnTodd TuggleGeorge Hawkins
    • Mark W. McGarryPeter KahnTodd TuggleGeorge Hawkins
    • C12M134
    • B01L7/52B01J19/0093B01J2219/00317B01J2219/00351B01J2219/00495C40B60/14F28F2260/02G01N30/6069G01N30/6095G01N2030/025G01N2035/00158G01N2035/00237
    • The present invention provides methods and apparatus for performing biological reactions on a substrate surface that use a low volume of sample fluid, accommodate substrates as large as or larger than a conventional microscope slide, accommodate a plurality of independent reactions, and accommodate a substrate surface having one or more hydrogel-based microarrays attached thereto. The invention further provides an apparatus that allows introduction of fluids in addition to sample fluid into each reaction chamber via standard pipet tips and associated pipettor apparatus. The invention further an apparatus that increases reaction reproducibility, increases reaction efficiency, and reduces reaction duration. The preferred embodiment of the invention is configured to accommodate a standard microscope slide substrate having four hydrogel-based microarrays attached thereto and comprises a base plate having a well structure corresponding to each microarray and two fluid ports extending through the base plate into each well structure, a means for temporarily clamping the substrate against the base plate such that the microarrays face into the well structures, a means for sealing the perimeter around each microarray and well structure, and a means for sealing the fluid ports from the environment.
    • 本发明提供用于在使用少量样品流体的衬底表面上进行生物反应的方法和装置,适应与常规显微镜载片一样大或大于其的基底,适应多个独立的反应,并容纳具有 一个或多个附着于其上的基于水凝胶的微阵列。 本发明还提供了一种装置,其允许除了样品流体之外的流体通过标准吸头和相关联的移液器装置引入每个反应室。 本发明还提供一种提高反应重现性,提高反应效率和降低反应持续时间的装置。本发明的优选实施方案被配置为容纳具有附着于其上的四个基于水凝胶的微阵列的标准显微镜载片基底,并且包括具有孔 结构对应于每个微阵列和两个通过基板延伸到每个井结构中的流体端口,用于将基板临时夹持在基板上以使微阵列面向井结构的装置,用于密封围绕每个微阵列的周边的装置, 井结构以及用于将流体端口与环境密封的装置。