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Novel nano-porous hydrogel as a carrier matrix for oral delivery of tetracycline hydrochloride
, Article Colloids and Surfaces A: Physicochemical and Engineering Aspects ; Volume 392, Issue 1 , December , 2011 , Pages 16-24 ; 09277757 (ISSN) ; Pourjavadi, A ; Soleyman, R ; Sharif University of Technology
Abstract
A novel nano-porous hydrogel (NPH) was synthesized via graft copolymerization of sodium acrylate (Na-AA) and acrylamide (AAm) onto salep backbones and its application as a carrier matrix for oral delivery of tetracycline hydrochloride (TH) was investigated. The Taguchi method as a strong experimental design tool was used for synthesis optimization. The swelling behavior of optimum hydrogel was measured in various media. The hydrogel formation was confirmed by Fourier transform infrared spectroscopy (FT-IR) and thermogravimetrical analysis (TGA). The study of the surface morphology of the hydrogels using SEM and AFM showed a nanoporous (average pore size: 180. nm) structure for the sample...