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

<table>The effect of the amount of L-cysteine self-assembled onto the surface of gold nanoparticles on the response of modified screen-printed carbon electrode.</table>

Journal of Sensors

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Figure 3: A Disposable Copper (II) Ion Biosensor Based on Self-Assembly of L-Cysteine on Gold Nanoparticle-Modified Screen-Printed Carbon Electrode 