Laccase bound to cryogel functionalized with phenylalanine for the decolorization of textile dyes.
Laccase
N-methacryloyl-(L)-phenylalanine methyl ester
cryogel
reactive blue
textile dye decolorization
Journal
Turkish journal of chemistry
ISSN: 1300-0527
Titre abrégé: Turk J Chem
Pays: Turkey
ID NLM: 101259104
Informations de publication
Date de publication:
2021
2021
Historique:
received:
07
06
2021
accepted:
11
08
2021
entrez:
1
12
2021
pubmed:
2
12
2021
medline:
2
12
2021
Statut:
epublish
Résumé
In this study, amino acid functionalized poly(2-hydroxyethyl methacrylate-N-methacrylolyl-l-phenylalanine) [PHEMAPA] cryogel discs were prepared. In this respect, phenylalanine containing N-methacryloyl-(L)-phenylalanine methyl ester (MAPA) was polymerized with 2-hydroxyethyl methacrylate (HEMA) without requirement of any activation step. Laccase bound poly(2-hydroxyethyl methacrylate-N-methacryloyl-l-phenylalanine) [Lac-PHEMAPA] cryogel discs were applied for decolorization of Reactive Blue-247 (RB-247). The ability of Lac-PHEMAPA cryogel discs on dye decolorization was found to be as 90% in 2 h and even more within 4h. The decolorization activities of 86% and 73% were observed at relatively low (4°C) and high (60°C) temperatures, respectively. The effect of dye concentration on dye decolorization and 100% decolorization activity was achieved in dye concentration between 50-300 ppm. Lac-PHEMAPA cryogel discs maintained 80% of its decolorization activity after six cycles. Consequently, the PHEMAPA cryogel discs are promising materials for immobilizing laccase. The Lac-PHEMAPA has a rapid dye decolorization in a broad range of temperature. The preparation is furthermore very stable and activity is preserved during storage.
Identifiants
pubmed: 34849053
doi: 10.3906/kim-2106-16
pmc: PMC8596530
doi:
Types de publication
Journal Article
Langues
eng
Pagination
1353-1365Informations de copyright
Copyright © 2021 The Author(s).
Déclaration de conflit d'intérêts
CONFLICT OF INTEREST: none declared
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