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Benefits of Renewable Hydrogels over Acrylate- and Acrylamide-Based Hydrogels

  • Abul K. Mallik
  • Md. Shahruzzaman
  • Md. Nurus Sakib
  • Asaduz Zaman
  • Md. Shirajur Rahman
  • Md. Minhajul Islam
  • Md. Sazedul Islam
  • Papia Haque
  • Mohammed Mizanur Rahman
Living reference work entry
Part of the Polymers and Polymeric Composites: A Reference Series book series (POPOC)

Abstract

In recent years, renewable/biodegradable polymer-based hydrogels have attracted great interest in the field of hydrogel research and development. The reasons of this interest are their applications in versatile fields including personal care products; drug delivery systems; wound healing; tissue engineering; industrial, pharmaceutical, and biomedical, agricultures; water treatments; food packaging; etc. Other important reasons are the problems caused by synthetic sources to the environment. Therefore, it is our demand to develop natural materials that can be biocompatible and biodegradable with the environment, and important efforts are focused on finding alternatives to replace the synthetic one. Furthermore, renewable hydrogels display unique properties such as biodegradability, biocompatibility, stimuli-responsive characteristics and biological functions. Natural hydrogels are often based on polysaccharide or protein chains. Due to the hydrophilic structure of polysaccharides, they have a good property to form hydrogel. There are various polysaccharides like starch, cellulose, sodium alginate, chitosan, guar gum, carrageenan, etc. that have been focused and used for the preparation of environmental friendly hydrogels. Among them, cellulose and its derivatives revealed distinctive benefits because they are the most abundant natural polysaccharide having low cost and better biodegradability and biocompatibility. Protein chains, which form natural hydrogels, are collagen, silk, keratin, elastin, resilin, and gelatin. On the other hand, many synthetic polymers/copolymers also form hydrogel like poly(vinyl alcohol), polyacrylamide, poly(ethylene oxide), poly(ethylene glycol), etc. Synthetic polymer-based hydrogels have one benefit of chemical strength than natural counterpart due to the slower degradation rate of the hydrolyzable moieties. However, biorenewable polymers usually present higher biocompatibility compared to synthetic polymers, as they undergo enzyme-controlled biodegradation by human enzymes (e.g., lysozyme) and produce biocompatible by-products. This chapter focused on the advantages of biorenewable hydrogels over synthetic (acrylate- and acrylamide-based) hydrogels.

Keywords

Renewable hydrogels Synthetic hydrogels Biopolymer Polysaccharide Protein chains 

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Abul K. Mallik
    • 1
  • Md. Shahruzzaman
    • 1
  • Md. Nurus Sakib
    • 1
  • Asaduz Zaman
    • 1
  • Md. Shirajur Rahman
    • 1
  • Md. Minhajul Islam
    • 1
  • Md. Sazedul Islam
    • 1
  • Papia Haque
    • 1
  • Mohammed Mizanur Rahman
    • 1
  1. 1.Department of Applied Chemistry and Chemical Engineering, Faculty of Engineering and TechnologyUniversity of DhakaDhakaBangladesh

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