2011

DOI: 10.4236/msa.2011.28143

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Hydrogels from Chitosan and a Novel Copolymer Poly(<i>N</i>-Vinyl-2-Pyrrolidone-<i>Co</i>-Acrolein)

Janaina Aline Galvão Barros¹,

A.J.C. Brant²,

Luiz Henrique Catalani³

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Cited by 5 publications

References 72 publications

(71 reference statements)

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Marine Carbohydrates of Wastewater Treatment

¹

,

²

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³

et al. 2014

Marine Carbohydrates: Fundamentals and Applications, Part B

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Marine Carbohydrates of Wastewater Treatment

¹

,

²

,

³

et al. 2014

Marine Carbohydrates: Fundamentals and Applications, Part B

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Genipin Cross-Linked Chitosan-Polyvinylpyrrolidone Hydrogels: Influence of Composition and Postsynthesis Treatment on pH Responsive Behaviour

¹

,

²

,

³

2015

Advances in Materials Science and Engineering

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Understanding the factors that influence the pH responsive behaviour of biocompatible cross-linked hydrogel networks is essential when aiming to synthesise a mechanically stable and yet stimuli responsive material suitable for various applications including drug delivery and tissue engineering. In this study the behaviour of intelligent chitosan-polyvinylpyrrolidone-genipin cross-linked hydrogels is examined as a function of their composition and postsynthesis treatment. Hydrogels are synthesised with varying amounts of each component (chitosan, polyvinylpyrrolidone, and genipin) and their response in a pH 2 buffer is measured optically. The influence of postsynthesis treatment on stability and smart characteristics is assessed using selected hydrogel samples synthesised at 30, 40, and 50°C. After synthesis, samples are exposed to either continuous freezing or three freeze-thaw cycles resulting in increased mechanical stability for all samples. Further morphological and mechanical characterisations have aided the understanding of how postsynthesis continual freezing or freeze-thaw manipulation affects network attributes.

Application of Marine Polymers in Membrane Technology

2017

Industrial Applications of Marine Biopolymers

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