2 条结果 关键词:磁性纳米粒子 ×

Self-assembly of glucose oxidase on reduced graphene oxide-magnetic nanoparticles nanocomposite-based direct electrochemistry for reagentless glucose biosensor.

Materials science & engineering. C, Materials for biological applications 2017 Pakapongpan S, Poo-Arporn RP

本文报道了一种基于直接电化学的新型无介质葡萄糖生物传感器。葡萄糖氧化酶(GOD)通过静电自组装固定在还原氧化石墨烯(RGO)与磁性纳米粒子(Fe3O4 NPs)共价偶联形成的 RGO-Fe3O4 纳米复合层上,并修饰于磁性丝网印刷电极(MSPE)。RGO-Fe3O4 具有大比表面积,有利于酶固定,促进酶与电极间电子转移,并具备超顺磁...

Covalent immobilization of tyrosinase onto cyanuric chloride crosslinked amine-functionalized superparamagnetic nanoparticles: Synthesis and characterization of the recyclable nanobiocatalyst.

International journal of biological macromolecules 2017 Abdollahi K, Yazdani F, Panahi R

本文采用化学共沉淀法合成磁性纳米粒子(MNPs),并通过四乙氧基硅烷(TEOS)溶胶-凝胶法在其表面包覆二氧化硅(SiO2)壳层。随后用 3-氨基丙基三乙氧基硅烷(APTES)对 SiO2@Fe3O4 进行氨基化,再与三聚氯氰(cyanuric chloride, Cy)反应,制备三聚氯氰功能化磁性纳米粒子(Cy-MNPs)。将新鲜...