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Improved conversion of carbon dioxide to methane via photohydrogenation using GdNiMnO with a dendritic fibrous architecture.
Sci Rep
January 2025
New materials Technology and Processing Reserearch Center, Neyshabur Branch, Islamic Azad University, Neyshabur, Iran.
The conversion of diluted CO₂ into high-energy fuels is increasingly central to renewable energy research. This study investigates the efficacy of a Gd₂NiMnO₆ dendritic nanofibrous (DNF) photocatalyst in transforming carbon dioxide to methane through photoreduction. Gd₂NiMnO₆ DNF was found to provide active adsorption sites and control the strand dimensions for metal groups, facilitating the chemical absorption of CO₂.
View Article and Find Full Text PDFImmobilization of Glycosyltransferase into a Hydrophilic Metal-organic Framework for Efficient Biosynthesis of Chondroitin Sulfate.
J Biotechnol
January 2025
Analysis and Testing Center, Nanjing Normal University, Nanjing, 210023, China. Electronic address:
Chondroitin sulfate (CS) is a structurally complex anionic polysaccharide widely used in medical, cosmetic and food applications. Enzymatic catalysis is an important strategy for synthesizing CS with uniform chain lengths and well-defined structures. However, the industrial application of glycosyltransferases is hindered by limitations such as low expression yields, poor stability, and challenges in reuse.
View Article and Find Full Text PDFHeterologous expression of calcium-independent mesophilic α-amylase from Priestia megaterium: Immobilization on genipin-modified multi-walled carbon nanotubes and silica supports to enhance thermostability and catalytic activity.
Bioorg Chem
January 2025
Department of Bioengineering, Gebze Technical University, 41400, Gebze, Kocaeli, Türkiye; BAUZYME Biotechnology Co., Gebze Technical University Technopark, 41400, Gebze, Kocaeli, Türkiye. Electronic address:
α-Amylases, constituting a significant share of the enzyme market, are mainly synthesized by the genus Bacillus. Enzymes tailored for specific industrial applications are needed to meet the growing demand across a range of industries, and thus finding new amylases and optimizing the ones that already exist are extremely important. This study reports the successful expression, characterization and immobilization of P.
View Article and Find Full Text PDFConserved ancillary residues situated proximally to the VIM-2 active-site affect its metallo β-lactamase activity.
FEMS Microbiol Lett
January 2025
Department of Bioscience and Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur-721302, West Bengal, India.
Verona-integron-metallo-β-lactamase (VIM-2) is one of the most widespread class B β-lactamase responsible for β-lactam resistance. Although active-site residues help in metal binding, the residues nearing the active-site possess functional importance. Here, to decipher the role of such residues in the activity and stability of VIM-2, the residues E146, D182, N210, S207, and D213 were selected through in-silico analyses and substituted with alanine using site-directed mutagenesis.
View Article and Find Full Text PDFSynthesis of Pyrazole-Based Inhibitors of the Bacterial Enzyme -Succinyl-l,l-2,6-Diaminopimelic Acid Desuccinylase (DapE) as Potential Antibiotics.
Int J Mol Sci
December 2024
Department of Chemistry and Biochemistry, Loyola University Chicago, 1032 West Sheridan Road, Chicago, IL 60660, USA.
Based on the inhibitory potencies from earlier reported tetrazole thioether analogs, we now describe the synthesis and inhibition of pyrazole-based inhibitors of -succinyl-l,l-2,6-diaminopimelic acid desuccinylase (DapE) from (DapE). The most potent pyrazole analog bears an aminopyridine amide with an IC of 17.9 ± 8.
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