蘑菇组织膜-二茂铁修饰的L-酪氨酸传感器

来源 :东南大学学报（英文版） | 被引量 : 0次 | 上传用户：ntieing

【摘要】

：

本文采用二茂铁作为电子传递介体,利用蘑菇组织含有丰富的酪氨酸酶,将蘑菇组织肉浆固定在二茂铁(PVC膜)修饰石墨电极上,用电流法测定L-酪氨酸浓度.研究了电极的制备和最佳实

【作者】

：

马全红邓家祺

【机构】

：

东南大学化学化工系,复旦大学化学系

【出处】

：

东南大学学报（英文版）

【发表日期】

：

2004年期

【关键词】

：

生物传感器组织电极修饰电极二茂铁 L-酪氨酸 biosensor tissue-based membrane electrode modified ele

【基金项目】

：

国家自然科学基金;

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论文部分内容阅读

本文采用二茂铁作为电子传递介体,利用蘑菇组织含有丰富的酪氨酸酶,将蘑菇组织肉浆固定在二茂铁(PVC膜)修饰石墨电极上,用电流法测定L-酪氨酸浓度.研究了电极的制备和最佳实验条件,其线性响应范围为2.0×10-4～4.5×10-3 mol.L-1,响应时间小于5 min,电极寿命至少30?d,可用于实际样品分析.

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蘑菇组织膜-二茂铁修饰的L-酪氨酸传感器

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