首页> 外国专利> PROBE DENSITY SELF-CONSIDERATIONS AND ELONGATION OF COMPLEMENTARY LOOPED PROBES WHERE PROBES ARE ATTACHED TO A SOLID PHASE

PROBE DENSITY SELF-CONSIDERATIONS AND ELONGATION OF COMPLEMENTARY LOOPED PROBES WHERE PROBES ARE ATTACHED TO A SOLID PHASE

机译:固相连接的探针密度的补充和延伸的问题的自我思考

摘要

In a multiplexed assay method carried out in solution, wherein the solution contains nucleic acid targets and, wherein several different types of oligonucleotide probes, each type having a different sequence in a region designated as a target binding domain, are used to detect the nucleic acid targets, said assay method including a method for increasing the effective concentration of the nucleic acid targets at the surface of a bead to which the oligonucleotide probes are bound, by one or more of the following steps:;adjusting assay conditions so as to increase the effective concentration of the targets available for binding to the probes, by one or more of the following: (i) selecting a particular probe density on the surface of the bead; (ii) selecting a solution having an ionic strength greater than a threshold; (ii) selecting a target domain of a size less than a threshold; or (iii) selecting target domains within a specified proximity to a terminal end of the targets.
机译:在溶液中进行的多重测定方法中,其中溶液包含核酸靶标,并且其中使用几种不同类型的寡核苷酸探针来检测核酸,其中每种寡核苷酸探针在指定为靶标结合域的区域中具有不同的序列。靶,所述测定方法包括通过以下一个或多个步骤增加与寡核苷酸探针结合的珠子表面上核酸靶的有效浓度的方法:调节测定条件以增加通过以下一种或多种方式可有效结合探针的靶标的有效浓度:(i)选择微珠表面的特定探针密度; (ii)选择离子强度大于阈值的溶液; (ii)选择大小小于阈值的目标域;或(iii)在距目标终端指定距离内选择目标域。

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