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Materials 2013, 6(5), 2026-2042; doi:10.3390/ma6052026

Adsorption Properties of Doxorubicin Hydrochloride onto Graphene Oxide: Equilibrium, Kinetic and Thermodynamic Studies

1
Department of Hematology, Shandong Provincial Hospital, Shandong University, Jinan, Shandong 250021, China
2
Department of Hematology, the Affiliated Hospital of medical College, 16 Jiangsu Road, Qingdao, Shandong 266003, China
3
Laboratory of Fiber Materials and Modern Textile, The Growing Base for State Key Laboratory, Qingdao University, 308 Ningxia Road, Qingdao, Shandong 266003, China
*
Authors to whom correspondence should be addressed.
Received: 27 February 2013 / Revised: 24 April 2013 / Accepted: 8 May 2013 / Published: 15 May 2013
(This article belongs to the Section Structure Analysis and Characterization)
View Full-Text   |   Download PDF [504 KB, 21 May 2013; original version 15 May 2013]   |  

Abstract

Doxorubicin hydrochloride (DOX) is an effective anticancer agent for leukemia chemotherapy, although its clinical use has been limited because of its side effects such as cardiotoxicity, alopecia, vomiting, and leucopenia. Attention has been focussed on developing new drug carriers with high adsorption capacity and rapid adsorption rate in order to minimize the side effects of DOX. Graphene oxide (GO), a new type of nanomaterial in the carbon family, was prepared by Hummers method and used as adsorbent for DOX from aqueous solution. The physico-chemical properties of GO were characterized by transmission electron microscope (TEM), Fourier transform infrared spectroscopy (FTIR), zeta potential, and element analysis. The adsorption properties of DOX on GO were studied as a function of contact time, adsorbent dosage, temperature and pH value. The results showed that GO had a maximum adsorption capacity of 1428.57 mg/g and the adsorption isotherm data fitted the Langmuir model. The kinetics of adsorption fits a pseudo-second-order model. The thermodynamic studies indicate that the adsorption of DOX on GO is spontaneous and endothermic in nature. View Full-Text
Keywords: doxorubicin hydrochloride; graphene oxide; adsorption; isotherm; kinetic doxorubicin hydrochloride; graphene oxide; adsorption; isotherm; kinetic
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Wu, S.; Zhao, X.; Li, Y.; Du, Q.; Sun, J.; Wang, Y.; Wang, X.; Xia, Y.; Wang, Z.; Xia, L. Adsorption Properties of Doxorubicin Hydrochloride onto Graphene Oxide: Equilibrium, Kinetic and Thermodynamic Studies. Materials 2013, 6, 2026-2042.

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