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采用电聚合方法固定抗体的IgG检测微传感器 被引量:2

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摘要 采用微电子机械系统MEMS工艺制备微电极芯片,并利用电化学聚合方法将抗体(羊抗人 IgG)与吡咯共同聚合在工作电极敏感表面,用于人免疫球蛋白IgG的安培酶免疫检测.该传感器以硅作为基底,铂作为电极,工作电极敏感面积2 mm2.SU-8胶形成的微反应池结构使该传感器试剂用量仅为μL量级.该传感器工作电压-0.3V,线性范围5-655ng/mL,响应时间3min,具有制备简便、响应快、试剂用量少、检测浓度低、微型化、便于集成等优点.
出处 《自然科学进展》 北大核心 2006年第3期380-384,共5页
基金 国家自然科学基金资助项目(批准号:90307014)
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