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Synchronously degradation of biogas slurry and decarbonization of biogas using microbial fuel cells.
J Environ Sci Health A Tox Hazard Subst Environ Eng
January 2025
School of Environmental Engineering, Faculty of Environmental and Safety Engineering, Qingdao University of Science and Technology, Qingdao, China.
Two-chamber microbial fuel cell (MFC) with biogas slurry (BS) of corn stover as the anode substrate and as the cathode substrate was investigated to solve the problem of the accumulation of wastewater generated from biogas plants and to achieve low-cost separation of CO from biogas. A simple two-compartment MFC was constructed using biocatalysis and inexpensive materials without expensive catalysts. The performance of MFC (X1-W, Y1-W, Z1-W) with different biogas solution concentrations as anode substrate and MFC (X2-C, Y2-C, Z2-C) with as biocathode were compared, respectively.
View Article and Find Full Text PDFMicrobial synthesis of m-tyrosine via whole-cell biocatalysis.
Enzyme Microb Technol
January 2025
Biotechnology Program, Department of Engineering Technology, Cullen College of Engineering, University of Houston, Houston, TX 77004, United States. Electronic address:
Meta-tyrosine (m-tyrosine), a nonproteinogenic amino acid, has shown significant potential for applications as an herbicide in agriculture and for various medical uses. However, the natural abundance of m-tyrosine is very low, limiting its widespread use. In this study, we successfully achieved microbial production of m-tyrosine by establishing the in vivo enzyme activity of phenylalanine 3-hydroxylase (PacX from Streptomyces coeruleoribudus) in E.
View Article and Find Full Text PDFBehavior, mechanisms, and applications of low-concentration CO in energy media.
Chem Soc Rev
January 2025
Birmingham Centre for Energy Storage & School of Chemical Engineering, University of Birmingham, UK.
This review explores the behavior of low-concentration CO (LCC) in various energy media, such as solid adsorbents, liquid absorbents, and catalytic surfaces. It delves into the mechanisms of diffusion, adsorption, and catalytic reactions, while analyzing the potential applications and challenges of these properties in technologies like air separation, compressed gas energy storage, and CO catalytic conversion. Given the current lack of comprehensive analyses, especially those encompassing multiscale studies of LCC behavior, this review aims to provide a theoretical foundation and data support for optimizing CO capture, storage, and conversion technologies, as well as guidance for the development and application of new materials.
View Article and Find Full Text PDF[Mining, characterization, and expression of a fructan sucrase for efficient conversion of soybean oligosaccharides].
Sheng Wu Gong Cheng Xue Bao
January 2025
School of Life Sciences, Anhui University, Hefei 230000, Anhui, China.
The high content of sucrose and raffinose reduces the prebiotic value of soybean oligosaccharides. Fructan sucrases can catalyze the conversion of sucrose and raffinose to high-value products such as fructooligosaccharides and melibiose. To obtain a fructan sucrase that can efficiently convert soybean oligosaccharides, we first mined the fructan sucrase gene from microorganisms in the coastal areas of Xisha Islands and Bohai Bay and then characterized the enzymatic and catalytic properties of the enzyme.
View Article and Find Full Text PDFSalidroside production through cascade biocatalysis with a thermostability-enhanced UDP-glycosyltransferase.
Int J Biol Macromol
January 2025
School of Marine Sciences, Sun Yat-Sen University, Zhuhai 519080, China. Electronic address:
Salidroside is a phenylpropanoid glycoside with wide applications in the food, pharmaceutical, and cosmetic industries; however, the plant genus Rhodiola, the natural source of salidroside, has slow growth and limited distribution. In this study, we designed a novel six-enzyme biocatalytic cascade for the efficient production of salidroside, utilizing cost-effective bio-based L-Tyrosine as the starting material. A preliminary analysis revealed that the poor thermostability of the Bacillus licheniformis UDP-glycosyltransferase (EC 2.
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