Novel chitosan-based pH-sensitive interpenetrating network microgels for the controlled release of cefadroxil

KSVK Rao, BVK Naidu, MCS Subha, M Sairam… - Carbohydrate …, 2006 - Elsevier
This paper addresses development of novel pH-sensitive interpenetrating polymeric network
(IPN) microgels (MGs) based on chitosan, acrylamide-grafted-poly (vinyl alcohol) and …

A novel pH-sensitive hydrogel based on dual crosslinked alginate/N-α-glutaric acid chitosan for oral delivery of protein

R Gong, C Li, S Zhu, Y Zhang, Y Du, J Jiang - Carbohydrate polymers, 2011 - Elsevier
A novel pH-sensitive hydrogel based on dual crosslinked alginate/N-α-glutaric acid chitosan
(GAC) was prepared. The homogeneous alginate/GAC solution was dropped into calcium …

Reinforcement of pH‐responsive γ‐poly (glutamic acid)/chitosan hydrogel for orally administrable colon‐targeted drug delivery

BG Park, HS Kang, W Lee, JS Kim… - Journal of applied …, 2013 - Wiley Online Library
Orally administrable hydrogel was prepared by crosslinking chitosan (CS) with γ‐poly
(glutamic acid)(γ‐PGA) for an excellent pH‐responsive colon‐targeted drug delivery system …

A novel pH-sensitive hydrogel composed of N, O-carboxymethyl chitosan and alginate cross-linked by genipin for protein drug delivery

SC Chen, YC Wu, FL Mi, YH Lin, LC Yu… - Journal of controlled …, 2004 - Elsevier
A novel pH-sensitive hydrogel system composed of a water-soluble chitosan derivative (N, O-
carboxymethyl chitosan, NOCC) and alginate blended with genipin was developed for …

Biodegradable pH-responsive polyacrylic acid derivative hydrogels with tunable swelling behavior for oral delivery of insulin

X Gao, C He, C Xiao, X Zhuang, X Chen - Polymer, 2013 - Elsevier
Novel biodegradable and pH-sensitive hydrogels composed of four types of pH-sensitive
polyacrylic acid derivatives (PAAD) and a biodegradable poly (l-glutamic acid)(PGA) …

Fabrication of polyethylene glycol hydrogels with enhanced swelling; loading capacity and release kinetics

Q Zahra, MU Minhas, S Khan, PC Wu, M Suhail… - Polymer Bulletin, 2022 - Springer
The objective of current study was to fabricate PEG based hydrogels cross linked with
monomer ie acrylic acid and 2, Acrylamide-2-methyl propane sulfonic acid (AMPS) in …

A drug-loaded gel based on polyelectrolyte complexes of poly (acrylic acid) with poly (vinylpyrrolidone) and chitosan

S Jin, M Liu, S Chen, C Gao - Materials Chemistry and Physics, 2010 - Elsevier
A drug-loaded gel (CSPP) based on ionic crosslinked chitosan (CS) and polyelectrolyte
complexes of poly (acrylic acid)(PAA) with poly (vinylpyrrolidone)(PVP) was prepared by …

Enhanced pH-responsive carrier system based on alginate and chemically modified carboxymethyl chitosan for oral delivery of protein drugs: preparation and in-vitro …

IM El-Sherbiny - Carbohydrate Polymers, 2010 - Elsevier
In this investigation a new series of biodegradable pH-responsive hydrogel microspheres
were prepared, characterized and in-vitro evaluated as potential carriers for oral delivery of …

Poly (ethylene glycol)–carboxymethyl chitosan-based pH-responsive hydrogels: photo-induced synthesis, characterization, swelling, and in vitro evaluation as …

IM El-Sherbiny, HDC Smyth - Carbohydrate research, 2010 - Elsevier
In this study, carboxymethyl chitosan was prepared, characterized, and then photo-induced
graft copolymerized with poly (ethylene glycol) under a nitrogen atmosphere in aqueous …

Synthesis of glutamic acid/polyvinyl alcohol based hydrogels for controlled drug release: In-vitro characterization and in-vivo evaluation

M Suhail, CM Shih, JY Liu, WC Hsieh, YW Lin… - Journal of Drug Delivery …, 2022 - Elsevier
The aim of the current study was to prepare glutamic acid/polyvinyl alcohol based hydrogels
by the free radical polymerization technique. The FTIR analysis of glutamic acid, polyvinyl …