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Theranostics. 2013 Mar 21;3(4):275-81. doi: 10.7150/thno.4983. Print 2013.

Facile synthesis and potential bioimaging applications of hybrid upconverting and plasmonic NaGdF4: Yb3+, Er3+/silica/gold nanoparticles.

Author information

1
Institute for Lasers, Photonics and Biophotonics, University at Buffalo, The State University of New York, Buffalo, New York 14260, United States.

Abstract

We present a simple method for preparing water dispersible NaGdF4: Yb3+, Er3+/silica/gold nanoparticles. The emission intensity and color of the upconverting cores are modulated by the plasmonic absorbance and field enhancement from the gold nanoparticles. The applicability of hybrid NPs for multi-modal bioimaging probes is illustrated by in vitro confocal microscopy of living cancer cells.

KEYWORDS:

Bioimaging.; Gold; Nanoparticles; Photoluminescence; Upconversion

PMID:
23606914
PMCID:
PMC3630528
DOI:
10.7150/thno.4983
[Indexed for MEDLINE]
Free PMC Article

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