Journal
LANGMUIR
Volume 26, Issue 8, Pages 5428-5434Publisher
AMER CHEMICAL SOC
DOI: 10.1021/la903893n
Keywords
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Funding
- National Natural Science Foundation of China [50625311, 20874042]
- Ministry of Education of China [707028)]
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Multifunctional nanocarriers based on chitosan/gold nanorod (CS-AuNR) hybrid nanospheres have been successfully fabricated by a simple nonsolvent-aided counterion complexation method. Anticancer drug cisplatin was subsequently loaded into the obtained hybrid nanospheres, utilizing the loading space provided by the chitosan spherical matrix. In vitro cell experiments demonstrated that the CS-AuNR hybrid nanospheres can not only he utilized is contrast agents for real-time cell imaging hut also serve as a near-infrared (NI R) thermotherapy nanodevice to achieve irradiation-induced cancer cell death owing to the unique optical properties endowed by the encapsulated gold nanorods. In addition. tin effective attack on the cancer cells by the loaded anticancer drug cisplatin has also been observed, rendering the obtained nanocarriers an all-in-one system possessing drug delivery, cell imaging, and photothermal therapy functionalities.
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