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ABSTRACT:
SUBMITTER: Mehtala JG
PROVIDER: S-EPMC4334258 | biostudies-literature | 2014 Nov
REPOSITORIES: biostudies-literature
Mehtala Jonathan G JG Zemlyanov Dmitry Y DY Max Joann P JP Kadasala Naveen N Zhao Shou S Wei Alexander A
Langmuir : the ACS journal of surfaces and colloids 20141107 46
Stable aqueous dispersions of citrate-stabilized gold nanorods (cit-GNRs) have been prepared in scalable fashion by surfactant exchange from cetyltrimethylammonium bromide (CTAB)-stabilized GNRs, using polystyrenesulfonate (PSS) as a detergent. The surfactant exchange process was monitored by infrared spectroscopy, surface-enhanced Raman scattering (SERS), and X-ray photoelectron spectroscopy (XPS). The latter established the quantitative displacement of CTAB (by PSS) and of PSS (by citrate). Th ...[more]