Anal. Chem. 1995, 67,4247-4249
A Thermostable Hydrogen Peroxide Sensor Based on '6Wiring"of Soybean Peroxidase Mark S. Vreeke, Khin Tsun Yong, and Adam HelleP Department of Chemical Engineethg, The Universiiy of Texas at Austin, Austin, Texas 78712-1062
A thermostablesoybean peroxidase-basedbiosensor was formed by cross-linking and electrically "wiring'' the enzyme through a redox-conductinghydrogel to a glassy carbon electrode. At 65 "C the sensitivity of the sensor decayed only at a rate of only