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Photocatalytic degradation performance of a chitosan/ZnO-FeO nanocomposite over cationic and anionic dyes under visible-light irradiation.
RSC Adv
January 2025
Institute of Sciences and Technology, TNU-University of Sciences Thai Nguyen 250000 Vietnam
The sonochemical synthesis of a chitosan-ZnO/FeO nanocomposite yielded a highly porous structure and large surface area for enhancing the photocatalytic degradation of cationic (rhodamine B, RhB) and anionic (methyl orange, MO) dyes in aqueous solution. Chitosan-ZnO/FeO demonstrated a significant enhancement in photodegradation efficiency 99.49% for MO ( = 5.
View Article and Find Full Text PDFCalixarene-Based Functional Fabric for Simultaneously Adsorptive Removal of Anionic and Cationic Dyes.
ACS Omega
January 2025
Department of Chemical Engineering, Konya Technical University, 42250 Konya, Türkiye.
This study investigated the adsorptive properties of functionalized fabric containing dimethylaminomethyl calix[4]arene (DMAM-Calix) to remove anionic methyl orange (MO) and cationic Rhodamine B (RhB) dyes in aqueous media. Adsorption studies were performed using a filtration system packed with DMAM-Calix-functionalized fabric (). The results revealed that the cationic and anionic structures work compatibly in a binary mixture medium.
View Article and Find Full Text PDFBiodegradation Study of Used Engine Oil by Free and Immobilized Cells of the Strain NMA and Their Growth Kinetics.
ACS Omega
January 2025
Department of Environmental Sciences, COMSATS University Islamabad, Abbottabad Campus, Abbottabad 22060, Pakistan.
Used engine oil is considered to be one of the high-risk pollutants, and if introduced untreated in the environment, it threatens the whole ecosystem. Therefore, there is a need to find some rapid and efficient methods for the remediation of used engine oil. The present study aimed to isolate indigenous bacterial strains having the capability to degrade used engine oil.
View Article and Find Full Text PDFAnalysis of enzyme kinetics of fungal methionine synthases in an optimized colorimetric microscale assay for measuring cobalamin-independent methionine synthase activity.
Enzyme Microb Technol
January 2025
Protein Chemistry and Enzyme Technology, Department of Biotechnology and Biomedicine, Building 221, Technical University of Denmark, Lyngby DK-2800 Kgs, Denmark. Electronic address:
Aspergillus spp. and Rhizopus spp., used in solid-state plant food fermentations, encode cobalamin-independent methionine synthase activity (MetE, EC 2.
View Article and Find Full Text PDFStructure and function of a β-1,2-galactosidase from Bacteroides xylanisolvens, an intestinal bacterium.
Commun Biol
January 2025
Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba, 278-8510, Japan.
Galactosides are major carbohydrates that are found in plant cell walls and various prebiotic oligosaccharides. Studying the detailed biochemical functions of β-galactosidases in degrading these carbohydrates is important. In particular, identifying β-galactosidases with new substrate specificities could help in the production of potentially beneficial oligosaccharides.
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