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Use of Ester‐Terminated Polyamidoamine Dendrimers for Stabilizing Quantum Dots in Aqueous Solutions
Author(s) -
Liu Jun'an,
Li Haibing,
Wang Wei,
Xu Huibi,
Yang Xiangliang,
Liang Jiangong,
He Zhike
Publication year - 2006
Publication title -
small
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.785
H-Index - 236
eISSN - 1613-6829
pISSN - 1613-6810
DOI - 10.1002/smll.200500421
Subject(s) - quantum dot , dendrimer , aqueous solution , molecule , solvent , nanotechnology , biocompatible material , materials science , pulmonary surfactant , self assembly , ligand (biochemistry) , chemistry , combinatorial chemistry , polymer chemistry , organic chemistry , biomedical engineering , medicine , biochemistry , receptor
Probing QD stablility : A convenient solvent‐evaporation approach to prepare water‐soluble, biocompatible CdSe/ZnS (core/shell) quantum dots (QDs, see figure) is reported. The QDs are modified with a surfactant and polyamidoamine molecules that possess an ester terminal group. This method avoids complicated multistep ligand‐exchange procedures and makes versatile QD‐based probes a possibility for investigating intracellular transport and other cellular‐signaling pathways.