Figure. 2. Several typical nanoparticle models. A. Rigid
nanoparticles, reproduced from Reference81 with
permission from The Royal Society of Chemistry. B. Soft matter
nanoparticles, reproduced from Reference84 with
permission from Copyright © 2010, American Chemical Society. C.
Nanoparticles with controllable elastic modulus, reproduced from
Reference26 with permission from The Royal Society of
Chemistry.