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Sci Rep. 2013;3:2023. doi: 10.1038/srep02023.

General and facile surface functionalization of hydrophobic nanocrystals with poly(amino acid) for cell luminescence imaging.

Author information

1
State Key Laboratory of Chemical Resource Engineering, School of Science, Beijing University of Chemical Technology, Beijing 100029, China.

Abstract

Hydrophobic nanocrystals with various shape, size, and chemical composition were successfully functionalized by poly(amino acid) with one particle per micelle without aggregation or precipitation via a facile, general, and low-cost strategy. Via simply tuning the pH value, multifunctional nanocomposites consisting of different nanocrystals were also fabricated. Due to the poly(amino acid) coating, these nanocrystals are highly water-stable, biocompatible, and bioconjugatable with chemical and biological moieties. Meanwhile, their shape, size, optical/magnetic properties are well retained, which is highly desirable for bioapplications. This developed strategy presents a novel opportunity to apply hydrophobic nanocrystals to various biomedical fields.

PMID:
23778122
PMCID:
PMC3685825
DOI:
10.1038/srep02023
[Indexed for MEDLINE]
Free PMC Article

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