Critical flocculation concentrations, binding isotherms, ligand exchange properties of peptide-modified gold nanoparticles studied by UV-visible, fluorescence, time-correlated single photon counting spectroscopies - Brennaman, Matthew K.; Feldheim, Daniel L.; Franzen, Stefan.; Glomm, Wilhelm R.; Papanikolas, John M.; Ryan, Joseph A.; Tkachenko, Alexander G.; Xie, Huan.