Abstract
The aim of the current research work was to fabricate polymeric nexus for controlled delivery of metoprolol tartrate by using free radical polymerization. Polymer (aloe vera, sodium carboxymethyl cellulose, and meggletose) was crosslinked with monomer (acrylic acid) by using N,N methylene bisacrylamide. Swelling behavior was studied in pH 1.2 and 7.4. Sol gel fraction depicted gel fraction increased with the increase in feed ratio (polymer, monomer, and crosslinker). Optimized formulation was evaluated via Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). FTIR confirmed compatibility of metoprolol with formulated system. Moreover, pH-dependent swelling was observed, experiencing significant swelling at higher pH. SEM depicted porous architecture which is responsible for swelling, drug loading, and release. Dissolution studies showed percentage drug release was significant in pH 7.4. Hence, the current research work demonstrates sustained delivery of metoprolol by employing varying concentration of polymer, monomer, and crosslinker. These fascinating properties made hydrogel a promising carrier for sustained drug delivery.
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Danish, Z., Ijaz, H., Razzaque, G. et al. Facile synthesis of three-dimensional porous hydrogel and its evaluation. Polym. Bull. 79, 7407–7428 (2022). https://doi.org/10.1007/s00289-021-03855-y
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DOI: https://doi.org/10.1007/s00289-021-03855-y