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    • 4. 发明申请
    • HYDROGEN PEROXIDE SENSORS BASED UPON PHOTO-INDUCED ELECTRON TRANSFER
    • 过氧化氢传感器基于光电导电传输
    • WO2011011605A1
    • 2011-01-27
    • PCT/US2010/042910
    • 2010-07-22
    • OPTI MEDICAL SYSTEMSHE, HuaruiLIN, Chao
    • HE, HuaruiLIN, Chao
    • C07F15/00A61B5/00
    • C07D221/14C07D401/12Y10T436/206664
    • The invention provides compounds of formula I F-L-Q (I) where F comprises a fluorophore capable of absorbing energy at an excitation wavelength and, in the absence of a quencher, emitting energy at an emission wavelength, which is different than the excitation wavelength; Q comprises a quencher; L comprises a linker moiety having two ends, one end being covalently bound to F and the other end being covalently bound to Q. The compounds are capable of undergoing a reversible reaction (1), provided below: (1) where Q + is an oxidized form of Q representing the absence of a quencher, Ox comprises an oxidizing agent, which is capable of oxidizing Q to its oxidized form Q, and Red comprises a reducing agent, which is capable of converting Q back to its reduced form Q. The compounds can undergo photo-induced electron transfer when irradiated with energy and when Q exists in its oxidized form, Q + . The invention also provides methods of detecting and determining the presence of analytes and/or hydrogen peroxide in a sample, as well as a substrate that comprises the compound of formula I.
    • 本发明提供式I F-L-Q(I)的化合物,其中F包括能够在激发波长处吸收能量的荧光团,并且在不存在猝灭剂的情况下发射不同于激发波长的发射波长的能量; Q包括猝灭剂; L包含具有两个末端的连接部分,一端与F共价结合,另一端与Q共价结合。化合物能够经历可逆反应(1),其如下:(1)其中Q +是氧化的 形式Q表示不存在猝灭剂,Ox包含氧化剂,其能够将Q氧化成其氧化形式Q,并且Red包含还原剂,其能够将Q转化为其还原形式Q.化合物 当能量照射时,当Q以其氧化态存在时,可以进行光诱导电子转移。 本发明还提供了检测和确定样品中分析物和/或过氧化氢的存在以及包含式I化合物的底物的方法。