Various Examples of Colloidal Particles Nano-Scale Meso-Scale TTTTTTTTTTTTTTTTTTTTTTT门 0.1nm 1nm 10 nm 100nm 1 um 10 um 100m L☐ Au Colloids Quantum Dots Polymer Latexes Dendrimers Silica Colloids Human Hair Molecules Proteins Red Blood Cell HIV Virus E.Coli White Blood Cell 1纳米相当于头发丝大小的10万分之一到万分之一 1纳米相当于头发丝大小的10万分之一到万分之一