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Original Article | Open Access

Preparation and Characteristics of a pH-sensitive Glucose-based Hydrogel

Yan Lin1,2, GuiGan Fang1,2( ), YongJun Deng1,2, KuiZhong Shen1,2, Ting Wu1,2, Man Li1,2
Institute of Chemical Industry of Forestry Products, CAF; Key Lab of Biomass Energy and Material, Jiangsu Province; National Engineering Lab for Biomass Chemical Utilization; Key and Open Lab on Forest Chemical Engineering, SFA, Nanjing, Jiangsu Province, 210042, China
Collaborative Innovation Center for High Efficient Processing and Utilization of Forestry Resources, Nanjing Forestry University, Nanjing, Jiangsu Province, 210037, China
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Abstract

With glucose as the template compound, a p H-sensitive hydrogel was prepared by polymerization of the modified glucose, acrylamide, and acrylic acid.The porous hydrogel showed the highest swelling ratio of 42.7 g/g at p H=7.4 and the best adsorption of methylene blue at p H=7.The Langmuir isotherm fitted very well to the equilibrium adsorption data with the maximum adsorption capacity of 49.1 mg/g.The adsorption kinetics were well described by the pseudo 2nd order model.Adsorption studies suggested that the p H-sensitive glucose-based hydrogel could be used as an adsorbent for the removal of methylene blue from wastewater.Other applications of the hydrogel are on the way, such as scaffolding in the biomedical field and soil conditioning in agriculture.

Keywords

adsorptionpH-sensitivemethylene blueglucose-based hydrogel

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Paper and Biomaterials
Volume 3 Issue 3,
July 2018
Pages 39-46
DOI: 10.26599/PBM.2018.9260020
Cite this article:
Lin Y, Fang G, Deng Y, et al. Preparation and Characteristics of a pH-sensitive Glucose-based Hydrogel. Paper and Biomaterials, 2018, 3(3): 39-46. https://doi.org/10.26599/PBM.2018.9260020

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Received: 13 May 2018
Accepted: 29 May 2018
Published: 01 July 2018
© 2018 Paper and Biomaterials Editorial Board

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
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