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Development and characterization of fluorescent cellulose succinate hydrogels for efficient chromium adsorption
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SYSNO ASEP 0600253 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Development and characterization of fluorescent cellulose succinate hydrogels for efficient chromium adsorption Author(s) Tohamy, H.-A. S. (EG)
El-Sakhawy, M. (EG)
Strachota, Beata (UMCH-V) RID
Mares Barbosa, Silvia (UMCH-V)
Strachota, Adam (UMCH-V) RID, ORCID
Kamel, S. (EG)Article number 339 Source Title Journal of Polymer Research. - : Springer - ISSN 1022-9760
Roč. 31, č. 11 (2024)Number of pages 18 s. Language eng - English Country NL - Netherlands Keywords N-doped carbon quantum dots ; cellulose succinate hydrogels ; fluorescence Subject RIV CD - Macromolecular Chemistry OECD category Polymer science Method of publishing Limited access Institutional support UMCH-V - RVO:61389013 UT WOS 001347314500001 EID SCOPUS 85208702631 DOI https://doi.org/10.1007/s10965-024-04164-4 Annotation This study focuses on developing and characterizing of fluorescent cellulose-based hydrogelsfor efficient chromium (Cr(VI)) adsorption. For this purpose, microcrystalline cellulose (MCC) was first surface-modified to achieve solubility using succinic anhydride. Cellulose succinate (CS) subsequently was grafted with a mixture of acrylic acid (AA) and acrylamide (AM), while N,N′-methylene-bis(acrylamide) (MBA) was added as crosslinker to obtain the final grafted and crosslinked hydrogels. To impart fluorescence and sensing capabilities, nitrogen-doped carbon quantum dots (N-CQDs) were synthesized via a microwave-assisted method using sugarcane bagasse, NaOH, and urea as precursors, and incorporated into the hydrogel. The resulting hydrogels demonstrated effective Cr(VI) adsorption, with optimal performance observed at 10% N–CQD loading. FTIR, SEM, rheological analysis, and TGA were employed for hydrogel characterization, while adsorption kinetics provided insights into the interaction mechanisms with Cr(VI). Workplace Institute of Macromolecular Chemistry Contact Eva Čechová, cechova@imc.cas.cz ; Tel.: 296 809 358 Year of Publishing 2025 Electronic address https://link.springer.com/article/10.1007/s10965-024-04164-4
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