Fabrication of sustainable hydrogels-based chitosan Schiff base and their potential applications

Chemical modifications of chitosan were of interest to scientific researchers for its wide applications. Chitosan has been widely used for synthesis of unique compounds with potential biological activity and also effective for wastewater treatment. In the current study fabrication of new chitosan-ba...

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Autores principales:	Taghreed H. Abdalla, Abir S. Nasr, Ghada Bassioni, David R. Harding, Nadia G. Kandile
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2022
Materias:	Chitosan Isonicotinic aldehyde Epichlorohydrin Nanohydrogel Biological activity Metal removal Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/159d7c62a60c49e3bd9d866a2fd9d01b
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spelling	oai:doaj.org-article:159d7c62a60c49e3bd9d866a2fd9d01b2021-11-06T04:24:38ZFabrication of sustainable hydrogels-based chitosan Schiff base and their potential applications1878-535210.1016/j.arabjc.2021.103511https://doaj.org/article/159d7c62a60c49e3bd9d866a2fd9d01b2022-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1878535221005268https://doaj.org/toc/1878-5352Chemical modifications of chitosan were of interest to scientific researchers for its wide applications. Chitosan has been widely used for synthesis of unique compounds with potential biological activity and also effective for wastewater treatment. In the current study fabrication of new chitosan-based Schiff base hydrogels were fabricated through modification of chitosan with isonicotinic aldehyde to give hydrogel I or with epichlorohydrin or sodium tripolyphosphate via ionotropic gelation processes under the same reaction conditions to give hydrogels Ie, and nanohydrogels II, IIe respectively. FTIR, XRD, TGA, DSC, SEM, and TEM tools were used for characterization of the fabricated hydrogels I, Ie, II, and IIe hydrogels. The swelling behavior of the fabricated hydrogels in different solvents were determined. Evaluation of the hydrogels for leaching metal ions and biological activity towards different Gram-positive and Gram-negative of microorganisms were studied. The results showed that the highest efficiency for adsorption of cobalt and mercuric ions was revealed for hydrogels Ie, IIe (91.3%, 95.9%) and (92.5%, 95.9%) respectively. However, hydrogel IIe showed remarkable MIC and MBC towards Gram-positive (B. subtilis) (19.5, 38) μg/ml compared to the standard antibiotic Ciprofloxacin (19, 38) μg/ml respectively.Taghreed H. AbdallaAbir S. NasrGhada BassioniDavid R. HardingNadia G. KandileElsevierarticleChitosanIsonicotinic aldehydeEpichlorohydrinNanohydrogelBiological activityMetal removalChemistryQD1-999ENArabian Journal of Chemistry, Vol 15, Iss 1, Pp 103511- (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	Chitosan Isonicotinic aldehyde Epichlorohydrin Nanohydrogel Biological activity Metal removal Chemistry QD1-999
spellingShingle	Chitosan Isonicotinic aldehyde Epichlorohydrin Nanohydrogel Biological activity Metal removal Chemistry QD1-999 Taghreed H. Abdalla Abir S. Nasr Ghada Bassioni David R. Harding Nadia G. Kandile Fabrication of sustainable hydrogels-based chitosan Schiff base and their potential applications
description	Chemical modifications of chitosan were of interest to scientific researchers for its wide applications. Chitosan has been widely used for synthesis of unique compounds with potential biological activity and also effective for wastewater treatment. In the current study fabrication of new chitosan-based Schiff base hydrogels were fabricated through modification of chitosan with isonicotinic aldehyde to give hydrogel I or with epichlorohydrin or sodium tripolyphosphate via ionotropic gelation processes under the same reaction conditions to give hydrogels Ie, and nanohydrogels II, IIe respectively. FTIR, XRD, TGA, DSC, SEM, and TEM tools were used for characterization of the fabricated hydrogels I, Ie, II, and IIe hydrogels. The swelling behavior of the fabricated hydrogels in different solvents were determined. Evaluation of the hydrogels for leaching metal ions and biological activity towards different Gram-positive and Gram-negative of microorganisms were studied. The results showed that the highest efficiency for adsorption of cobalt and mercuric ions was revealed for hydrogels Ie, IIe (91.3%, 95.9%) and (92.5%, 95.9%) respectively. However, hydrogel IIe showed remarkable MIC and MBC towards Gram-positive (B. subtilis) (19.5, 38) μg/ml compared to the standard antibiotic Ciprofloxacin (19, 38) μg/ml respectively.
format	article
author	Taghreed H. Abdalla Abir S. Nasr Ghada Bassioni David R. Harding Nadia G. Kandile
author_facet	Taghreed H. Abdalla Abir S. Nasr Ghada Bassioni David R. Harding Nadia G. Kandile
author_sort	Taghreed H. Abdalla
title	Fabrication of sustainable hydrogels-based chitosan Schiff base and their potential applications
title_short	Fabrication of sustainable hydrogels-based chitosan Schiff base and their potential applications
title_full	Fabrication of sustainable hydrogels-based chitosan Schiff base and their potential applications
title_fullStr	Fabrication of sustainable hydrogels-based chitosan Schiff base and their potential applications
title_full_unstemmed	Fabrication of sustainable hydrogels-based chitosan Schiff base and their potential applications
title_sort	fabrication of sustainable hydrogels-based chitosan schiff base and their potential applications
publisher	Elsevier
publishDate	2022
url	https://doaj.org/article/159d7c62a60c49e3bd9d866a2fd9d01b
work_keys_str_mv	AT taghreedhabdalla fabricationofsustainablehydrogelsbasedchitosanschiffbaseandtheirpotentialapplications AT abirsnasr fabricationofsustainablehydrogelsbasedchitosanschiffbaseandtheirpotentialapplications AT ghadabassioni fabricationofsustainablehydrogelsbasedchitosanschiffbaseandtheirpotentialapplications AT davidrharding fabricationofsustainablehydrogelsbasedchitosanschiffbaseandtheirpotentialapplications AT nadiagkandile fabricationofsustainablehydrogelsbasedchitosanschiffbaseandtheirpotentialapplications
_version_	1718443900801122304

Fabrication of sustainable hydrogels-based chitosan Schiff base and their potential applications

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