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    • 3. 发明申请
    • ELECTRODE
    • 电极
    • WO2008062216A1
    • 2008-05-29
    • PCT/GB2007/004499
    • 2007-11-26
    • ISIS INNOVATION LIMITEDARMSTRONG, Fraser AndrewBLANFORD, Christopher, FrancisHEATH, Rachel Sarah
    • ARMSTRONG, Fraser AndrewBLANFORD, Christopher, FrancisHEATH, Rachel Sarah
    • H01M8/16H01M4/88H01M4/90H01M4/86
    • H01M8/16H01M4/8807H01M4/8817H01M4/9008H01M4/9075H01M2004/8689Y02E60/527
    • The invention provides a method of preparing an enzyme-modified electrode or enzyme- modified electrode precursor comprising: (i) contacting an electrode or electrode precursor with a diazonium salt in order to modify a surface of said electrode or electrode precursor with a residue R, residue R being an organic residue of the diazonium salt and wherein the diazonium salt comprises (a) an aromatic cation either comprising: i. from two to four aromatic rings which are fused together and/or bonded to each other either directly or via a -CR=CR-, -C≡C- or -N=N- linker where R represents hydrogen or C 1-4 alkyl, one of which rings bears a -N 2 + substituent, and wherein the aromatic rings are the same or different and are the same or different and are selected from unsubstituted or substituted phenyl and 5- or 6- membered heteroaryl rings, or ii. a monocyclic aromatic ring selected from an unsubstituted or substituted phenyl and 5- or 6-membered heteroaryl ring, said aromatic ring bearing a -N 2 + substituent and a further conjugated substituent selected from C 2-6 alkenyl and C 2-6 alkynyl; and (b) a counter ion; and (ii) exposing the modified carbon-containing surface to a blue copper oxidase enzyme such that the enzyme binds to the residue R. The invention also provides an enzyme-modified electrode or enzyme-modified electrode precursor.
    • 本发明提供了制备酶修饰电极或酶修饰电极前体的方法,其包括:(i)使电极或电极前体与重氮盐接触,以便用残基R修饰所述电极或电极前体的表面, 残基R是重氮盐的有机残基,其中重氮盐包含(a)芳族阳离子,其包括:i。 两个至四个芳环直接或通过-CR = CR-,-C = C-或-N = N-连接体彼此融合在一起和/或彼此键合,其中R表示氢或C 1 -4个烷基,其中一个环带有-N + 2 +取代基,并且其中芳环相同或不同并且相同或不同,并且选自未取代或取代的 苯基和5-或6-元杂芳基环,或ii。 选自未取代或取代的苯基和5-或6-元杂芳基环的单环芳族环,所述带有-N 2+取代基的芳族环和另外的共轭取代基选自C 2 -6个烯基和C 2-6个炔基; 和(b)抗衡离子; 和(ii)将经修饰的含碳表面暴露于蓝色铜氧化酶,使得酶结合残基R.本发明还提供了酶修饰的电极或酶修饰的电极前体。