在含有葡萄糖氧化酶的聚吡咯修饰的铂电极表面涂覆一层明胶，再用戊二醛交联制备了葡萄糖传感器。该传感器的基础电极采用薄膜沉积和剥离技术制作，包括一个工作电极和一个对电极（兼作参比电极）。该传感器线性范围为 ０．１－４ ｍｍｏｌ／Ｌ；响应时间和灵敏度分别为１５－２５ ｓ和１８．１ｍＡ／ｍｏｌ．ｃｍ２。传感器在４℃冰箱中存放６个月其活性仍有９０％以上。 Gelatin was coated on the surface of polypyrrole modified Pt electrode containing glucose oxidase and then crosslinked with glutaraldehyde to prepare glucose sensor. The sensor’s base electrode is fabricated using thin-film deposition and lift-off techniques, including a working electrode and a counter electrode (also referred to as a reference electrode). The sensor linear range of 0.1-4 mmol / L; response time and sensitivity were 15-25 s and 18.1mA / mol. cm2. The sensor is still more than 90% active in a refrigerator at 4 ° C for 6 months.