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本方法将L·氨基酸氧化酶掺杂在毗咯溶液中用电化学聚合法制备手性电极,该电极对L一苯丙氨酸测定在2.0X10-’-1.4X10-‘。ilL的底物浓度范围内呈良好的线性关系,检测限为4.0X10-‘rnoliL对DL.苯丙氨酸的平均回收率102.8%。
In the method, L · amino acid oxidase is doping in a pyrrole solution and a chiral electrode is prepared by an electrochemical polymerization method, and the L-phenylalanine is measured at 2.0 × 10 -’- 1.4 × 10- ’. ILL substrate concentration range showed a good linear relationship with a detection limit of 4.0X10-’rnoliL DL. The average recovery of phenylalanine was 102.8%.