3 条结果 关键词:溶胶-凝胶 ×

Enzymatic biosensor based on entrapment of d-amino acid oxidase on gold nanofilm/MWCNTs nanocomposite modified glassy carbon electrode by sol-gel network: Analytical applications for d-alanine in human serum.

Enzyme and microbial technology 2017 Shoja Y, Rafati AA, Ghodsi J

本研究构建了一种用于检测D-丙氨酸的酶电化学生物传感器。该传感器以玻璃碳电极为基底,先滴涂多壁碳纳米管(MWCNTs)成膜,再在MWCNTs/GCE表面通过恒电位电沉积制备金纳米膜(Au-NF),形成Au-NF/MWCNT纳米复合修饰电极。随后将D-氨基酸氧化酶(DAAO)滴加于修饰电极表面,并用四乙氧基硅烷(TEOS)溶胶-凝胶网...

Optical detection of different phenolic compounds by means of a novel biosensor based on sol-gel immobilized laccase.

Biotechnology and applied biochemistry 2017 Lepore M, Portaccio M

本文报道了一种基于溶胶-凝胶固定漆酶的新型光学生物传感器,用于检测不同酚类化合物。来自 Trametes versicolor 的漆酶被固定于光学透明的二氧化硅溶胶-凝胶基质中,并通过傅里叶变换红外光谱及小波算法证实固定成功。该传感器利用漆酶催化酚类氧化后产物在 425 nm、375 nm 和 400 nm 处的吸收变化,分别测定对...

Horseradish peroxidase and toluidine blue covalently immobilized leak-free sol-gel composite biosensor for hydrogen peroxide.

Materials science & engineering. C, Materials for biological applications 2017 Thenmozhi K, Narayanan SS

本文报道了一种基于共价固定辣根过氧化物酶(HRP)和甲苯胺蓝(TB)的无泄漏溶胶-凝胶复合生物传感器,用于过氧化氢(H2O2)的安培检测。HRP与TB通过戊二醛交联剂共价连接到3-氨丙基三甲氧基硅烷(APTMOS)前驱体上,并与甲基三甲氧基硅烷(MTMOS)及石墨粉组成刚性陶瓷复合电极。循环伏安法在0.2至−0.4 V(vs SCE...