Charge-driven flocculation of poly(L-lysine)-gold nanoparticle assemblies leading to hollow microspheres.
Murthy VS, Cha JN, Stucky GD, Wong MS. Charge-driven flocculation of poly(L-lysine)-gold nanoparticle assemblies leading to hollow microspheres. J Am Chem Soc. 2004 Apr 28; 126(16):5292-9.