The influences of hydrophobic SiO_2 nanoparticles and the contents of glucose oxidase(GOD) upon the response current of enzyme electrode have been investigated by using the sol-gel method,in which polyvinylbutyryl(PVB...The influences of hydrophobic SiO_2 nanoparticles and the contents of glucose oxidase(GOD) upon the response current of enzyme electrode have been investigated by using the sol-gel method,in which polyvinylbutyryl(PVB)was used as a matrix.The influenoe of enzymatic activity was measured by electrochemical method.Experimental data demonstrated that hydrophobic SiO_2 particles can immobilize enzyme well,providing a good and simple method for preparing high quality GOD biosensor.The mechanism has been discussed.展开更多
文摘The influences of hydrophobic SiO_2 nanoparticles and the contents of glucose oxidase(GOD) upon the response current of enzyme electrode have been investigated by using the sol-gel method,in which polyvinylbutyryl(PVB)was used as a matrix.The influenoe of enzymatic activity was measured by electrochemical method.Experimental data demonstrated that hydrophobic SiO_2 particles can immobilize enzyme well,providing a good and simple method for preparing high quality GOD biosensor.The mechanism has been discussed.