Abstract
A multifunctional drug carrier with dual targeting (magnetic and folate-receptor) and pH sensitive core-shell hybrid nanomaterial has been developed to carry an anticancer drug doxorubicin.Superparamagnetic iron oxide nanoparticles (IONPs) were used as core of the carrier and cross-linked folate conjugated chitosan (FA-CS) was acted as shell in which doxorubicin was physically entrapped. Transmission electron microscopy (TEM) analysis confirmed the average particle size of IONPs and FA-CS coated IONPs 8.2 and 15.4 nm respectively. Magnetic measurement indicated that both the IONPs and FA-CS coated IONPs were superparamagnetic at room temperature with a magnetization value 57.72 and 37.44 emu/g respectively. At pH 5.8 (malignant tissue) showed a burst release of 30.05% of the doxorubicin in the first 4 h followed by a sustained release of 88.26% of drug over 72 h. From these results it is expected that doxorubicin loaded nanoparticles can be a promising drug carrier for the treatment of solid tumors with the ability to reduce toxic side effects of drugs by selective targeting and sustained release.
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The author highly acknowledge to the Ministry of Science and Technology (S&T), Bangladesh for their research grant (EAS-05) for the year 2014-2016 in the form of Special Allocation to carry out this research project.
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Islam, M.S., Haque, P., Rashid, T.U. et al. Core–shell drug carrier from folate conjugated chitosan obtained from prawn shell for targeted doxorubicin delivery. J Mater Sci: Mater Med 28, 55 (2017). https://doi.org/10.1007/s10856-017-5859-x
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DOI: https://doi.org/10.1007/s10856-017-5859-x