A Novel Biomaterial for Decolorization of Azo Dyes: Myoglobin-Zn(II) Assisted Hybrid Nanoflowers.
Chem Biodivers
; 20(6): e202201136, 2023 Jun.
Article
em En
| MEDLINE
| ID: mdl-37130149
ABSTRACT
Protein-inorganic hybrid nanoflowers are new multifunctional materials shown enhanced catalytic performance. Specially, they are used as catalyst and dye decolorizer via Fenton reaction. In this study, the Myoglobin-Zn (II) assisted hybrid nanoflowers (MbNFs@Zn) were fabricated by using myoglobin and zinc (II) ions in different synthesis conditions. The optimum morphology was characterized SEM, TEM, EDX, XRD, and FT-IR. The hemisphere and uniform morphology was obtained at pHâ
6 and 0.1â
mg mL-1 . The size of MbNFs@Zn are 5-6â
µm. The encapsulation yield was â¼95 %. In the presence of H2 O2 , the peroxidase mimic activity of MbNFs@Zn was spectrophotometrically investigated in the different pH values (4-9). The highest peroxidase mimic activity was found as 3.378â
EU/mg at pHâ
4. MbNFs@Zn was exhibited 0.28â
EU/mg after eight cycles. MbNFs@Zn has lost about 92 % of its activity. The usability of MbNFs@Zn for decolorization of azo dyes such as Congo red (CR), and Evans blue (EB) was researched at different times, temperatures and concentrations. The decolorization efficiency was found maximum as 92.3 % and 88.4 % for EB and CR dyes, respectively. MbNFs@Zn has perfect properties such as enhanced catalytic performance, high decolorization efficiency, stability and reusability, and can be excellent potential materials for many industrial applications.
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Base de dados:
MEDLINE
Assunto principal:
Compostos Azo
/
Mioglobina
Idioma:
En
Ano de publicação:
2023
Tipo de documento:
Article