Stepwise fluorescence changes of quantum dots: single-molecule spectroscopic studies on the properties of turn-on quantum dots

Yea Seul Kim; Min Young Kim; Jae Kyu Song; Tae Jung Kim; Young Dong Kim; Sang Soo Hah

doi:10.1039/c1cc16738c

Stepwise fluorescence changes of quantum dots: single-molecule spectroscopic studies on the properties of turn-on quantum dots

Chem Commun (Camb). 2012 Jan 18;48(5):723-5. doi: 10.1039/c1cc16738c. Epub 2011 Nov 25.

Authors

Yea Seul Kim¹, Min Young Kim, Jae Kyu Song, Tae Jung Kim, Young Dong Kim, Sang Soo Hah

Affiliation

¹ Department of Chemistry, Research Institute for Basic Sciences, and Research Center for New Nano Bio Fusion Technology, Kyung Hee University, Seoul 130-701, South Korea.

PMID: 22117202
DOI: 10.1039/c1cc16738c

Abstract

Single-molecule spectroscopy of turn-on quantum dots induced by NADPH-dependent biocatalyzed transformations reveals that the fluorescence intensities of quantum dots functionalized with Nile Blue are stepwisely and reversibly changed in the presence of NADPH.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Biotinylation
Fluorescence
Fluorescence Resonance Energy Transfer / methods*
Fluorescent Dyes / chemical synthesis
Fluorescent Dyes / metabolism*
NADP / analysis*
Nanotechnology / methods*
Oxazines / chemistry
Oxazines / metabolism*
Quantum Dots
Spectrometry, Fluorescence

Substances

Fluorescent Dyes
Oxazines
Nile Blue
NADP