Smart Cu1.75S nanocapsules with high and stable photothermal efficiency for NIR photo-triggered drug release
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- 作者：Sheng Huang ; Jing Liu ; Qian He ; Hongli Chen ; Jiabin Cui ; Suying Xu…
- 关键词：copper sulfides ; near infrared light ; photothermal therapy ; drug release
- 刊名：Nano Research
- 出版年：2015
- 出版时间：December 2015
- 年：2015
- 卷：8
- 期：12
- 页码：4038-4047
- 全文大小：1,873 KB
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Jing Liu (2)
Qian He (1)
Hongli Chen (1)
Jiabin Cui (1)
Suying Xu (1)
Yuliang Zhao (2)
Chunying Chen (2)
Leyu Wang (1)
1. State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Environmentally Harmful Chemical Analysis, Beijing University of Chemical Technology, Beijing, 100029, China
2. CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology of China and Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, 100190, China - 刊物类别：Chemistry and Materials Science
- 刊物主题：Chinese Library of Science
Chemistry
Nanotechnology - 出版者：Tsinghua University Press, co-published with Springer-Verlag GmbH
- ISSN：1998-0000
文摘
Thermosensitive drug delivery systems (DDSs) face major challenges, such as remote and repeatable control of in vivo temperature, although these can increase the therapeutic efficacy of drugs. To address this issue, we coated near-infrared (NIR) photothermal Cu1.75S nanocrystals with pH/thermos-sensitive polymer by in situ polymerization. The doxorubicine (DOX) loading content was up to 40 wt.%, with less than 8.2 wt.% of DOX being leaked under normal physiological conditions (pH = 7.4, 37 °C) for almost 48 h in the absence of NIR light. These nanocapsules demonstrate excellent photothermal stability by continuous longterm NIR irradiation. Based on the stable and high photothermal efficiency (55.8%), pre-loaded drugs were released as desired using 808-nm light as a trigger. Both in vitro and in vivo antitumor therapy results demonstrated that this smart nanoplatform is an effective agent for synergistic hyperthermia-based chemotherapy of cancer, demonstrating remote and noninvasive control.