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    • 1. 发明授权
    • Detection of nucleic acids and nucleic acid units
    • 检测核酸和核酸单位
    • US6127120A
    • 2000-10-03
    • US983486
    • 1998-04-21
    • Duncan GrahamAdrian Matthew Thornton LinacreCallum Hugh MunroWilliam Ewan SmithNigel Dean WatsonPeter Cyril White
    • Duncan GrahamAdrian Matthew Thornton LinacreCallum Hugh MunroWilliam Ewan SmithNigel Dean WatsonPeter Cyril White
    • G01N33/543C07D249/18C12N15/09C12Q1/68G01N21/65G01N33/566C07H19/00C07H21/04G01N33/553
    • C12Q1/6816G01N21/658Y10T436/24
    • The invention relates to the detection of target nucleic acids or nucleic acid units in a sample, by obtaining a SER(R)S spectrum for a SER(R)S-active complex containing, or derived directly from, the target. The complex includes at least a SER(R)S-active label, and optionally a target binding species containing a nucleic acid or nucleic acid unit. In this detection method, the concentration of the target present in the SER(R)S-active complex, or of the nucleic acid or unit contained in the target binding species in the SER(R)S-active complex, is no higher than 10.sup.-10 moles per liter. Additionally or alternatively, one or more of the following features may be used with the method: i) the introduction of a polyamine; ii) modification of the target, and/or of the nucleic acid or nucleic acid unit contained in the target binding species, in a manner that promotes or facilitates its chemi-sorption onto a SER(R)S-active surface; iii) inclusion of a chemi-sorptive functional group in the SER(R)S-active label. The invention also provides SER(R)S-active complexes for use in such a method, a kit for use in carrying out the method or preparing the complexes and a method for sequencing a nucleic acid which comprises the use of the detection method to detect at least one target nucleotide or sequence of nucleotides within the acid.
    • PCT No.PCT / GB96 / 01830 Sec。 371日期:1998年4月21日 102(e)1998年4月21日PCT PCT 1996年7月25日PCT公布。 出版物WO97 / 05280 日期1997年2月13日本发明涉及检测样品中的靶核酸或核酸单元,通过获得含有或直接从其中衍生的S(S)活性复合物的SER(S)S光谱, 目标。 所述复合物包括至少一种SER(R)S-活性标记,以及任选的含有核酸或核酸单元的靶结合物质。 在该检测方法中,SER(R)S-活性复合物中存在的靶标或SER(S)活性复合物中目标结合物中所含的核酸或单元的浓度不高于 10-10摩尔/升。 另外或替代地,可以使用以下方法中的一个或多个以下特征:i)引入多胺; ii)以促进或促进其对SER活性表面的化学吸附的方式修饰靶,和/或包含在靶结合物种中的核酸或核酸单元; iii)在SER(R)S活性标签中包含化学吸附官能团。 本发明还提供了用于这种方法的SER(R)S-活性复合物,用于实施该方法或制备复合物的试剂盒和核酸测序方法,其包括使用检测方法检测 酸中的至少一个靶核苷酸或核苷酸序列。