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将葡萄糖氧化酶（GOD）与辣根过氧化物酶（POD）用戊二醛共固定在半透膜上，以此作为生杨敏感元件制成传感器，在pH6．0，温度30℃，外加搅拌的条件下，对传感器的响应时间，线性测定范围及使用寿命等指标进行了测定，得到了良好的效果。酶膜的平均响应时间为2．5min，线性测定范围达0～300μg／ml，寿命约达15天。
Glucose oxidase (GOD) and horseradish peroxidase (POD) were co-immobilized on the semi-permeable membrane with glutaraldehyde, which was used as a sensor of poplar sensor. The sensor was applied at pH 6.0, temperature 30 ℃, Under the condition of agitation, the response time, the linear measurement range and the service life of the sensor were measured, and good results were obtained. The average response time of enzyme membrane was 2.5 min, the linear range of determination was 0 ~ 300 μg / ml, and the life span was about 15 days.