Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 183, Issue -, Pages 132-144Publisher
ELSEVIER
DOI: 10.1016/j.ijbiomac.2021.04.123
Keywords
Carboxymethyl-diethyl aminoethyl cellulose; Carboxymethyl cellulose; Scaffold; Curcumin; Epichlorohydrin; Drug delivery
Funding
- Iran University of Medical Sciences [98-3-85-15702]
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A novel cellulose derivative scaffold, CM-DEAEC, was synthesized for drug delivery systems with great potential. The scaffold showed high swelling ratio, entrapment efficiency, sustained drug release profile, and antibacterial activity, making it a promising platform for drug delivery applications.
Due to the unique properties of cellulose-based materials, they are attractive to be developed in industrial pharmaceutics and biomedical fields. Carboxymethyl-diethyl amino ethyl cellulose scaffold (CM-DEAEC) has been synthesized in the current work as a smart novel derivative of cellulose with a great functionality in drug delivery systems. The scaffolds were well cross-linked with 2% (v/v) epichlorohydrin (ECH), loaded with curcumin (Cur), and then were analyzed by FT-IR, XRD, SEM, and mechanical strength. While developing the ideal delivery platform, curcumin (an important chemotherapeutic agent) was chosen due to its hydrophobicity and poor bioavailability. Thus, we developed a novel scaffold for efficient loading and controlled releasing of curcumin. The swelling ratio of 136%, high curcumin entrapment efficiency (up to 83.7%), sustained in vitro drug release profile, and appropriate degradability in three weeks confirmed significant properties of the CM-DEAEC scaffold. More than 99% antibacterial activity has been observed by the cross-linked curcumin loaded CM-DEAEC scaffolds. Cytotoxicity studies using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay and 4',6-diamidino-2-phenylindole (DAPI) staining showed that cross-inked curcumin loaded CM-DEAEC scaffolds did not show any toxicity using L929 cells. All experiments were compared with CMC scaffolds and better characteristics of the novel scaffold for drug delivery have been confirmed. (C) 2021 Elsevier B.V. All rights reserved.
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