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Published in: Journal of Nanoparticle Research 11/2018

01-11-2018 | Research Paper

Shape controlled quantum dot (QD)-decorated-mesoporous SiO2 (m-SiO2/QD) hollow particles for photodynamic therapy

Authors: Jingyu Si, Jianfeng Zhang, Jinyu Duan, Huajian Xu, Qunling Fang

Published in: Journal of Nanoparticle Research | Issue 11/2018

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Abstract

This work reported a novel kind of CdTe quantum dot (QD) decorated mesoporous SiO2 (m-SiO2/QD) hybrid hollow nanoparticles for carrying photodynamic therapy (PDT) reagent. Both rod-like and spherical nanoparticles were prepared by using different shaped templates. Due to the porous shell and hollow interior, the hybrid m-SiO2/QD hollow nanorod with 360 nm long and 120 nm in diameter was selected for carrying zinc(II) phthalocyanine (ZnPc) photosensitizing molecules (61 mg/g) since the generated reactive 1O2 could be easily delivered out of the hollow particles through the porous shell (BET area 251 cm2/g). It was found that the m-SiO2/QD-ZnPc hollow nanorods exhibited a good PDT activity and showed effective photocytotoxicity for the cancer cells. Because of the porous nature, fluorescence characteristic, and excellent storage ability, the m-SiO2/QD hybrid hollow particles possessed broad potential in the fluorescent labeled PDT.

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Appendix
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Metadata
Title
Shape controlled quantum dot (QD)-decorated-mesoporous SiO2 (m-SiO2/QD) hollow particles for photodynamic therapy
Authors
Jingyu Si
Jianfeng Zhang
Jinyu Duan
Huajian Xu
Qunling Fang
Publication date
01-11-2018
Publisher
Springer Netherlands
Published in
Journal of Nanoparticle Research / Issue 11/2018
Print ISSN: 1388-0764
Electronic ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-018-4415-z

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