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HIGHLY SENSITIVE TEMPERED IMMUNOFLUORESCENZASSAY FOR THE DETECTION OF CHEMOKINES
HIGHLY SENSITIVE TEMPERED IMMUNOFLUORESCENZASSAY FOR THE DETECTION OF CHEMOKINES
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机译:高敏温度免疫荧光法检测化学因子
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摘要
A method for detecting a cytokine in a biological fluid sample with a high sensitivity is provided. A time-resolved fluoroimmunoassay (TR-FIA) method including a step of forming on a solid phase a composite in which a cytokine is captured and which includes a fluorescent structural portion which has been complexed with a lanthanoid metal ion, and measuring fluorescence of the fluorescent structural portion. The composite is formed of a structure in which (a) a first antibody including a portion bound to a solid phase and a region bindable to a cytokine; (b) the cytokine; (c) a second antibody including a region bindable to the cytokine and a portion to which biotin is bound; (d) a conjugate including streptoavidin or avidin and a fluorescent structural portion capable of being complexed with a lanthanoid metal ion; and (e) the lanthanoid metal ion are bound. The fluorescent structural portion is represented by General Formula (I):
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