A Disposable Copper (II) Ion Biosensor Based on Self-Assembly of L-Cysteine on Gold Nanoparticle-Modified Screen-Printed Carbon Electrode

<table>The cyclic voltammograms of a (a) bare screen-printed carbon electrode and (b) gold nanoparticles-modified screen-printed carbon electrode.</table>

Journal of Sensors

fig1

Figure 1

Figure 1: A Disposable Copper (II) Ion Biosensor Based on Self-Assembly of L-Cysteine on Gold Nanoparticle-Modified Screen-Printed Carbon Electrode 