提取能导致苯丙酮尿症（PKU）的基因突变.患这种病的人不能分解氨基酸苯丙氨酸，这会导致严重的认知损坏。

Take the gene mutation that causes phenylketonuria, or PKU. People with the disease can't break down the amino acid phenylalanine, a problem that can lead to severe cognitive damage.

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苯丙氨酸脱氢酶因在临床上可用作苯丙酮尿症的检测用酶，工业上可用于合成手性氨基酸而越来越受到关注。

As phenylalanine dehydrogenase is used to determine the concentration of plasma phenylalanine for monitoring of phenylketonuria and synthesize L-amino acids, it is drawing more and more attention.

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方法用荧光法测定新生儿滤纸干血片上的苯丙氨酸浓度以筛查苯丙酮尿症。

Methods Phenylalanine(phe) concentration in dried-blood spot specimens on filter paper was detected by fluorometric method.

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