Bienzymatic <i>Acetylcholinesterase</i> and <i>Choline Oxidase</i> Immobilized Biosensor Based on a Phenyl Carboxylic Acid-Grafted Multiwalled Carbon Nanotube

<table>Electrochemical impedance spectra of the AChE-ChOx-modified biosensor based on a GCE (a) and SPE (b) in 0.1 M PBS buffer (pH = 7.0) containing 1.0 mM K<sub>3</sub>Fe(CN)<sub>6</sub>/K<sub>4</sub>Fe(CN)<sub>6</sub>.</table>

Advances in Materials Science and Engineering

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Figure 9

Figure 9: Bienzymatic <i>Acetylcholinesterase</i> and <i>Choline Oxidase</i> Immobilized Biosensor Based on a Phenyl Carboxylic Acid-Grafted Multiwalled Carbon Nanotube 

Figure 9 | Bienzymatic Acetylcholinesterase and Choline Oxidase Immobilized Biosensor Based on a Phenyl Carboxylic Acid-Grafted Multiwalled Carbon Nanotube 