Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.carbon.2011.11.043
Title: Carbon nanotube bottles for incorporation, release and enhanced cytotoxic effect of cisplatin
Authors: Li, J. 
Yap, S.Q.
Yoong, S.L.
Nayak, T.R.
Chandra, G.W.
Ang, W.H. 
Panczyk, T.
Ramaprabhu, S.
Vashist, S.K.
Sheu, F.-S. 
Tan, A.
Pastorin, G. 
Issue Date: Apr-2012
Source: Li, J., Yap, S.Q., Yoong, S.L., Nayak, T.R., Chandra, G.W., Ang, W.H., Panczyk, T., Ramaprabhu, S., Vashist, S.K., Sheu, F.-S., Tan, A., Pastorin, G. (2012-04). Carbon nanotube bottles for incorporation, release and enhanced cytotoxic effect of cisplatin. Carbon 50 (4) : 1625-1634. ScholarBank@NUS Repository. https://doi.org/10.1016/j.carbon.2011.11.043
Abstract: Carbon nanotubes (CNTs) have emerged as promising drug delivery systems particularly for cancer therapy, due to their abilities to overcome some of the challenges faced by cancer treatment, namely non-specificity, poor permeability into tumour tissues, and poor stability of anticancer drugs. Encapsulation of anticancer agents inside CNTs provides protection from external deactivating agents. However, the open ends of the CNTs leave the encapsulated drugs exposed to the environment and eventually their uncontrolled release before reaching the desired target. In this study, we report the successful encapsulation of cisplatin, a FDA-approved chemotherapeutic drug, into multi-walled carbon nanotubes and the capping at the ends with functionalised gold nanoparticles to achieve a "carbon nanotube bottle" structure. In this proof-of-concept study, these caps did not prevent the encapsulation of drug in the inner space of CNTs; on the contrary, we achieved higher drug loading inside the nanotubes in comparison with data reported in literature. In addition, we demonstrated that encapsulated cisplatin could be delivered in living cells under physiological conditions to exert its pharmacological action. © 2011 Elsevier Ltd. All rights reserved.
Source Title: Carbon
URI: http://scholarbank.nus.edu.sg/handle/10635/52814
ISSN: 00086223
DOI: 10.1016/j.carbon.2011.11.043
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