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Proceedings Paper

Enhanced methods of hydrophilized CdSe quantum dots synthesis
Author(s): D. V. Potapkin; I. S. Zharkova; I. Yu. Goryacheva
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Paper Abstract

Quantum dots are bright and stable fluorescence signal sources, but for most of applications they need an additional hydrophilization step. Unfortunately, most of existing approaches lead to QD’s fluorescence quenching, so there is a need for additional enhancing of hydrophilized QD’s brightness like UV irradiation, which can be used both on water insoluble QD’s with oleic acid ligands (in toluene) and on hydrophilized QD’s covered with UV-stable polymer (in aqueous solution). For synthesis of bright water-soluble fluorescent labels CdSe/CdS/ZnS colloidal quantum dots were covered with PAMAM dendrimer and irradiated with UV lamp in quartz cuvettes for 3 hours at the room temperature and then compared with control sample.

Paper Details

Date Published: 19 March 2015
PDF: 6 pages
Proc. SPIE 9448, Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics, 944812 (19 March 2015); doi: 10.1117/12.2180073
Show Author Affiliations
D. V. Potapkin, Saratov State Univ. (Russian Federation)
I. S. Zharkova, Saratov State Univ. (Russian Federation)
I. Yu. Goryacheva, Saratov State Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 9448:
Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics
Elina A. Genina; Vladimir L. Derbov; Kirill V. Larin; Dmitry E. Postnov; Valery V. Tuchin, Editor(s)

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