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    • 7. 发明申请
    • MICROARRAY FOR DETECTING AND QUANTIFYING MICRORNA
    • 用于检测和定量MICRORNA的微阵列
    • US20090221435A1
    • 2009-09-03
    • US12278395
    • 2007-02-07
    • Scott BaskervilleFiona M. JuckerAnastasia Khvorova
    • Scott BaskervilleFiona M. JuckerAnastasia Khvorova
    • C40B30/04C40B40/06
    • C12Q1/6837C12Q2525/207C12Q2525/197C12Q2525/161C12Q2537/163C12Q2565/525
    • A microarray can be configured for hybridizing with short nucleic acids, such as miRNA or siRNA, contained within a sample. Such a microarray includes a polynucleotide trap coupled to a substrate of a microarray site. The polynucleotide trap includes a probe that selectively hybridizes with short nucleic acid sequences, and a linker that is coupled to the substrate and configured to extend the probe from the substrate. Additionally, the polynucleotide trap can include an enhancer that hybridizes with the linker in order to enhance functionality of the probe. The linker and/or enhancer are configured to inhibit the probe from interacting with the linker or substrate. This can include the linker and/or enhancer being configured to have a minimal secondary structure so as to present the probe region for hybridizing with the target polynucleotide and inhibit the linker region or probe region from interacting with the substrate.
    • 可将微阵列配置为与样品中包含的短核酸如miRNA或siRNA杂交。 这样的微阵列包括耦合到微阵列位点的底物的多核苷酸捕获物。 多核苷酸捕获器包括与短核酸序列选择性杂交的探针和连接到基底并被配置为从基底延伸探针的接头。 另外,多核苷酸捕获可以包括与接头杂交以增强探针的功能的增强子。 接头和/或增强子被配置为抑制探针与接头或底物相互作用。 这可以包括被配置为具有最小二级结构的接头和/或增强子,以便呈现用于与靶多核苷酸杂交的探针区域并且抑制接头区域或探针区域与底物相互作用。