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

<table>Schematic fabrication of the AChE-ChOx-modified biosensor based on a GCE and SPE.</table>

Advances in Materials Science and Engineering

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Figure 1

Figure 1: Bienzymatic <i>Acetylcholinesterase</i> and <i>Choline Oxidase</i> Immobilized Biosensor Based on a Phenyl Carboxylic Acid-Grafted Multiwalled Carbon Nanotube 

Figure 1 | Bienzymatic Acetylcholinesterase and Choline Oxidase Immobilized Biosensor Based on a Phenyl Carboxylic Acid-Grafted Multiwalled Carbon Nanotube 