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    • 8. 发明授权
    • Fluorescent labeling reagents
    • 荧光标记试剂
    • US5955612A
    • 1999-09-21
    • US862746
    • 1997-05-23
    • Clarence N. AhlemSteven M. Torkelson
    • Clarence N. AhlemSteven M. Torkelson
    • G01N33/533C07D221/22
    • G01N33/533
    • A class of sulforhodamine labeling reagents capable of binding with a biomolecular species to produce a conjugate with fluorescent properties. The sulforhodamine labeling reagents have the structure: ##STR1## The group X is selected from an alkyl, an olefin, a monocyclic aliphatic saturated hydrocarbon, an aryl, or nothing at all. The group Y is selected from an amide, a substituted amide, or nothing at all. The group Z is selected from a monocyclic aliphatic hydrocarbon, an aryl, or an alkyl, as defined with respect to group X, a polyethylene glycol chain of the general form (CH.sub.2 CH.sub.2 O).sub.n, or nothing at all. The alkyl or polyethylene glycol chain may further have inert intermediate amide, ether, or disulfide functionalities. The group X, group Y, and group Z cannot all be nothing at all or non-existent. The group R is an electrophilic moiety suitable for conjugation of the fluorescent labeling reagent with a biomolecular species. Also disclosed is a method of making the reagents.
    • 能够与生物分子物质结合以产生具有荧光性质的共轭物的一类磺酰罗丹明标记试剂。 磺酰罗丹明标记试剂具有以下结构:基团X选自烷基,烯烃,单环脂族饱和烃,芳基或根本没有。 基团Y选自酰胺,取代的酰胺或根本没有。 基团Z选自关于基团X所定义的单环脂族烃,芳基或烷基,一般形式(CH 2 CH 2 O)n的聚乙二醇链,根本没有。 烷基或聚乙二醇链还可以具有惰性中间体酰胺,醚或二硫化物官能团。 X组,Y组和Z组不能全部完全不存在或不存在。 基团R是适于将荧光标记试剂与生物分子物质缀合的亲电子部分。 还公开了制备试剂的方法。