Carbon nanotubes part I: Preparation of a novel and versatile drug-delivery vehicle

Karimi, M. and Solati, N. and Amiri, M. and Mirshekari, H. and Mohamed, E. and Taheri, M. and Hashemkhani, M. and Saeidi, A. and Estiar, M.A. and Kiani, P. and Ghasemi, A. and Basri, S.M.M. and Aref, A.R. and Hamblin, M.R. (2015) Carbon nanotubes part I: Preparation of a novel and versatile drug-delivery vehicle. Expert Opinion on Drug Delivery, 12 (7). pp. 1071-1087.

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Introduction: It is 23 years since carbon allotrope known as carbon nanotubes (CNT) was discovered by Iijima, who described them as "rolled graphite sheets inserted into each other". Since then, CNTs have been studied in nanoelectronic devices. However, CNTs also possess the versatility to act as drug- and gene-delivery vehicles.Areas covered: This review covers the synthesis, purification and functionalization of CNTs. Arc discharge, laser ablation and chemical vapor deposition are the principle synthesis methods. Non-covalent functionalization relies on attachment of biomolecules by coating the CNT with surfactants, synthetic polymers and biopolymers. Covalent functionalization often involves the initial introduction of carboxylic acids or amine groups, diazonium addition, 1,3-dipolar cycloaddition or reductive alkylation. The aim is to produce functional groups to attach the active cargo.Expert opinion: In this review, the feasibility of CNT being used as a drug-delivery vehicle is explored. The molecular composition of CNT is extremely hydrophobic and highly aggregation-prone. Therefore, most of the efforts towards drug delivery has centered on chemical functionalization, which is usually divided in two categories; non-covalent and covalent. The biomedical applications of CNT are growing apace, and new drug-delivery technologies play a major role in these efforts. © 2015 Informa UK, Ltd.

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Date Deposited: 02 Jul 2018 08:12
Last Modified: 02 Jul 2018 08:12

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