1 条结果 关键词:洋葱内表皮膜 ×

Inner epidermis of onion bulb scale: As natural support for immobilization of glucose oxidase and its application in dissolved oxygen based biosensor.

Biosensors & bioelectronics 2009 Kumar J, D'Souza SF

本研究以洋葱鳞茎内表皮膜作为天然聚合物载体,用于固定葡萄糖氧化酶(GOD)并构建基于溶解氧(DO)探针的葡萄糖生物传感器。将GOD负载于洋葱内表皮膜上,并与溶解氧探针联用;当固定化GOD催化葡萄糖氧化为葡萄糖内酯时,反应消耗溶解氧,探针测得与氧分压相关的响应变化,从而实现对葡萄糖的检测。校准曲线显示该传感器在22.5–450 mg/...