Hemicellulosic Biogels: A Fundamentally New Sustainable Platform Approach to Address Societal Grand Challenges.

IF 5.3 3区 化学 Q1 POLYMER SCIENCE
Gels Pub Date : 2025-09-10 DOI:10.3390/gels11090722
Ali Ayoub, Lucian Lucia
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Abstract

The global issues of resource depletion and environmental pollution have led to increased interest in a circular bioeconomy focusing on converting renewable biomass into functional biomaterials. This article explores the transformative potential of hemicellulosic biogels as a sustainable platform to address critical societal challenges, such as water scarcity, food solutions and environmental pollution. Derived from hemicelluloses, an abundant and underutilized polysaccharide in lignocellulose biomass, these biogels offer a fundamentally new approach to developing high-performance, ecofriendly based materials. The review examines their development, characterization, and diverse applications in water treatment, food, agriculture, adhesive and coating systems. In water treatment, these gels exhibit exceptional performance, demonstrating a maximum NaCl uptake of 0.26 g/g and rapid pseudo-second-order adsorption kinetics for desalination. They also show high selectivity for heavy metal removal, with a remarkable binding capacity for lead if 2.9 mg/g at pH 5. For adhesive and coating applications, hemicellulose crosslinked with ammonium zirconium carbonate (AZC) forms water-resistant gels that significantly enhance paper properties, including gloss, smoothness, liquid resistance, and adhesive strength. Furthermore, hemicellulosics exhibit controlled biodegradation in physiological solutions while maintaining their mechanical integrity, underscoring their broad application promise. Overall, this review highlights how hemicellulose-based hydrogels can transform a low-value byproduct from biorefinery into high-performance solutions, contributing significantly to a sustainable economy.

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半纤维素生物凝胶:解决社会重大挑战的全新可持续平台方法。
资源枯竭和环境污染的全球性问题导致人们对循环生物经济的兴趣增加,重点是将可再生生物质转化为功能性生物材料。本文探讨了半纤维素生物凝胶作为可持续平台的变革潜力,以解决关键的社会挑战,如水资源短缺,食品解决方案和环境污染。这些生物凝胶是从半纤维素中提取的,半纤维素是木质纤维素生物质中丰富且未被充分利用的多糖,为开发高性能、生态友好的基础材料提供了一种全新的方法。综述了它们的发展、特性和在水处理、食品、农业、粘合剂和涂层系统中的各种应用。在水处理中,这些凝胶表现出优异的性能,最大NaCl吸收率为0.26 g/g,并具有快速的拟二级吸附动力学。它们对重金属的去除也有很高的选择性,在pH为5时,对铅的结合能力为2.9 mg/g。对于粘合剂和涂层应用,半纤维素与碳酸锆铵(AZC)交联形成防水凝胶,可显着提高纸张的性能,包括光泽度,光滑度,耐液体性和粘合强度。此外,半纤维素在生理溶液中表现出可控的生物降解,同时保持其机械完整性,强调了其广泛的应用前景。总的来说,这篇综述强调了半纤维素基水凝胶如何将生物炼制的低价值副产品转化为高性能解决方案,为可持续经济做出重大贡献。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Gels
Gels POLYMER SCIENCE-
CiteScore
4.70
自引率
19.60%
发文量
707
审稿时长
11 weeks
期刊介绍: The journal Gels (ISSN 2310-2861) is an international, open access journal on physical (supramolecular) and chemical gel-based materials. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. Therefore, there is no restriction on the maximum length of the papers, and full experimental details must be provided so that the results can be reproduced. Short communications, full research papers and review papers are accepted formats for the preparation of the manuscripts. Gels aims to serve as a reference journal with a focus on gel materials for researchers working in both academia and industry. Therefore, papers demonstrating practical applications of these materials are particularly welcome. Occasionally, invited contributions (i.e., original research and review articles) on emerging issues and high-tech applications of gels are published as special issues.
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