Bogdanov AA, Gupta S, Koshkina N, Corr SJ, Zhang S, Curley SA, Han G. Gold nanoparticles stabilized with MPEG-grafted poly(l-lysine): in vitro and in vivo evaluation of a potential theranostic agent. Bioconjug Chem. 2015 Jan 21; 26(1):39-50.