4.7 Article

Facile synthesis of Zn-based metal-organic framework in the presence of carboxymethyl cellulose: A safe carrier for ibuprofen

Journal

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 191, Issue -, Pages 531-539

Publisher

ELSEVIER
DOI: 10.1016/j.ijbiomac.2021.09.033

Keywords

Carboxymethyl cellulose; Metal-organic framework; Ibuprofen; Drug delivery

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In this study, a novel green synthesis route was described for the growth of metal-organic framework (MOF) from zinc metal and 1,4-benzene dicarboxylic acid in the presence of carboxymethyl cellulose (CMC). The synthesized material showed promising characteristics for prolonged drug release, with high drug loading efficiency and better drug release performance compared to the pristine MOF. Overall, the results confirm the functionality of CMC biopolymer for in situ growth of MOF and its cytocompatibility.
Fabrication of porous materials with a high surface area affords a great interest to achieve a system with a prolonged drug release manner. In this context, the subject of this work is to describe a novel green one-pot synthesis route for the growth of metal-organic framework (MOF) from zinc metal (Zn) and 1, 4-benzene dicarboxylic acid (BDC) in the vicinity of the carboxymethyl cellulose (CMC), which homogeneously confined in the biopolymeric chains. The synthesized Zn (BDC)@CMC was characterized and confirmed using different analyses. N-2 adsorption/desorption isotherms determined the mean diameter of pore size of about 2.3993 nm. Ibuprofen (IBU) as a model drug was highly loaded to the Zn(BDC)@CMC by immersing in the drug solution; 50.95%. The in vitro IBU release study indicated that the Zn(BDC)@CMC has more attractive performances than pristine Zn(BDC). The IBU release occurred via the Fickian mechanism. Isotherm studies showed that the IBU adsorption on obeys from Langmuir isotherm; R2 0.9623. The MTT results revealed the HEK 293A cell viability of higher than 90% for Zn(BDC)@CMC that confirms its cytocompatibility. Overall, obtained results confirm the functionality of CMC biopolymer for in situ growth of MOF in the presence of it due to having the reactive nature.

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