Fig. (7) Electrodeposition of Chitosan can mediate nanoparticle assembly. (a) Mechanism of chitosan-mediated nanoparticle deposited on the cathode. (b) Photomicrograph of silicon wafer patterned with 20 μm gold lines for deposition. (c) Fluorescence photomicrograph showing spatially localized deposition of 100 nm fluorescent latex spheres from a 1% chitosan solution at pH = 5. [98].