Size-selective synthesis of ultrasmall hydrophilic CdSe nanoparticles in aqueous solution at room temperature

Yeon Su Park, Yukihiro Okamoto, Noritada Kaji, Manabu Tokeshi, Yoshinobu Baba

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

Hydrophilic semiconductor nanoparticles are very attractive for various biological applications, such as in optical sensing, tracing, and imaging of biological molecules-of-interest, because of their broad excitation wavelength, tunable emission wavelength, strong photoluminescence, and relatively high stability against photobleaching and chemicals. Compared to organic phase synthesis and subsequent surface modification, aqueous phase synthesis approaches provide multiple advantages for obtaining hydrophilic semiconductor nanoparticles. Here, we describe methods for the size-selective growth and stabilization of ultrasmall hydrophilic CdSe nanoparticles in aqueous solution at room temperature by using amino acid cysteine or one of its derivatives as a surface capping agent.

Original languageEnglish
Title of host publicationNanoparticles in Biology and Medicine
Subtitle of host publicationMethods and Protocols
EditorsMikhail Soloviev
Pages125-141
Number of pages17
DOIs
Publication statusPublished - Aug 15 2012
Externally publishedYes

Publication series

NameMethods in Molecular Biology
Volume906
ISSN (Print)1064-3745

All Science Journal Classification (ASJC) codes

  • Molecular Biology
  • Genetics

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