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JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 129, Issue 20, Pages 6380-+Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja071434y
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Herein we report a new and simple method of in situ functionalization of CdSe QDs and surface passivation by a thin ZnS shell at the same time. This method avoids a second-step ligand exchange after the core-shell formation and preserved high quantum yield of the QDs. We demonstrated that such prepared QDs can serve as excellent nanomaterial for bioconjugation. Different antibodies were conjugated to the MPA-functionalized QDs and resulted in highly stable and highly photoluminescent nanoparticles for cell labeling purposes.
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