29 Result(s)
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Article
**nguo Zhao
Chemistry
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Article
Hybrid structure of iron single atoms and metallic titanium for photothermal ethanol steam reforming
Photothermal ethanol steam reforming (ESR) is currently limited by low intrinsic activity and strong solar energy dissipation. Herein, we synthesized Fe single atoms supported on CeO2 (SA Fe-CeO2) to exhibit exce...
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In Silico Analysis and Immune Response of YaeT Protein Against Riemerella anatipestifer in Ducks
Riemerella anatipestifer (RA) is one of the most harmful bacterial pathogens in waterfowl and causes enormous economic loss worldwide. Due to weak cross-immunity protection against different serotypes of RA, inac...
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Engineering Escherichia coli for efficient and economic production of C-glycosylflavonoids by deleting YhhW and regulating pH
C-glycosylflavonoids have a number of pharmacological activities. An efficient method for the preparation of C-glycosylflavonoids is through metabolic engineering. Thus, it is important to prevent the degradat...
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Open AccessEfficient production of icariin and baohuoside I from Epimedium Folium flavonoids by fungal α-l-rhamnosidase hydrolysing regioselectively the terminal rhamnose of epimedin C
Industrial application of icariin and baohuoside I has been hindered by the short supply to a great extent. In this work, a novel GH78 α-l-rhamnosidase AmRha catalyzed the bioconversion of low-value epimedin C in...
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Biotransformation to synthesize the methylated derivatives of baicalein using engineered Escherichia coli
Oroxylin A and negletein are flavonoid compounds existing in plants, with excellent pharmacological activities such as anti-inflammatory, anti-viropexis, and anti-cancer. Nevertheless, the natural abundance of...
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Biochemical Characterization of a Flavone Synthase I from Daucus carota and its Application for Bioconversion of Flavanones to Flavones
In this study, we studied the biochemical characterization of flavone synthase I from Daucus carota (DcFNS I) and applied it with flavonoid 6-hydroxylase from Scutellaria baicalensis (SbCYP) to convert flavanones...
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Hierarchical carbon/MoS2 composites as anodes for advanced electrochemical performance
Many advantages make MoS2 materials as promising anodes for lithium-ion batteries. However, the poor electronic conductivity and slow lithium-diffusion kinetic during the cycles hinder its wide application. In th...
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Combinatorial Engineering of Upper Pathways and Carotenoid Cleavage Dioxygenase in Escherichia coli for Pseudoionone Production
Pseudoionone is a valuable intermediate for the flavor industry. However, few attempts have been made to synthesize pseudoionone using biotechnology. In this work, an Escherichia coli strain harboring both the is...
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Open AccessAn efficient preparation and biocatalytic synthesis of novel C-glycosylflavonols kaempferol 8-C-glucoside and quercetin 8-C-glucoside through using resting cells and macroporous resins
C-glycosylated flavonoids are a main type of structural modification and can endow flavonoids with greater stability, bioactivity, and bioavailability. Although some C-glycosylated flavonoids have been biosynthes...
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Biodegradation of Endocrine Disrupting Chemicals with Laccase Isozymes from Recombinant Pichia pastori
In this paper, five recombinant strains: GS115-LacA, GS115-LacB, GS115-LacC, KM71H-Lcc1 and GS115-Lcc2 were selected to produce laccase isozymes with high activities, which reached 13,001 U/L, 10,254 U/L, 11,4...
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Improved catalytic conversion of polysulfide by MoO2/C composite host for stable Li–S batteries
Lithium-sulfur batteries with high theoretical energy density have drawn much attention during the past decades, while the shuttle effect of the polysulfide also hinders the practical application. The employme...
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Study on the Composition and Interface of Waste Silicon Slag After Secondary Refining
Silicon slag is a secondary refining by-product from industrial silicon. The content of industrial silicon in silicon slag is about 20 %, which has extremely high economic value. To better achieve the recove...
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One-pot synthesis of dihydro-β-ionone from carotenoids using carotenoid cleavage dioxygenase and enoate reductase
Dihydro-β-ionone is a characteristic aroma compound of Osmanthus fragrans and is widely applied in the flavor & fragrance industry. However, the main focus is on chemical synthesis due to the metabolic pathways o...
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Hierarchical structure Carbon@Fe2O3 composites with improved cycle life for advanced electrochemical performance
The single component electrode materials suffer from rapid capacity fading during the electrochemical cycles. The electrochemical performance can be improved by using multi-component hybrid composites. In this...
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Recombinant Laccase Production Optimization in Pichia pastoris by Response Surface Methodology and Its Application in the Biodegradation of Octyl Phenol and 4-Tert-Octylphenol
The response surface methodology was used for the optimization of different submerged fermentation conditions for the production of recombinant laccase Lcc1 in Pichia pastoris KM71H. The initial screening of prod...
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Engineering design of N-doped Co3O4 nanofibers as sulfur host for highly stable cathode materials
Lithium-sulfur batteries are the most promising green energy system due to their advantages, such as high energy density and environmental friendliness. It is known to all that a high stable sulfur reservoir i...
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Improved electrochemical performance of stannic oxide@C composites by regulating the charge transfer kinetics at the electrode/electrolyte interphase
Although the traditional graphite anode materials have stable cycle performance, it has low capacity which limits its energy density. Therefore, it is urgent to prepare new anode materials. During the past dec...
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Immobilization of Thermostable β-Glucosidase and α-l-Rhamnosidase from Dictyoglomus thermophilum DSM3960 and Their Cooperated Biotransformation of Total Flavonoids Extract from Epimedium into Icaritin
The thermostable GH3 family β-glucosidase DthBgl3 and thermostable GH78 family α-l-rhamnosidase DthRha from Dictyoglomus thermophilum DSM3960 were successfully immobilized by industrial amino resin 1000NH. The op...
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Titanium carbide nanosheets as sulfur hosts with excellent adsorption and electrocatalysis properties for advanced electrochemical performance
The rechargeable lithium-sulfur battery is an attractive energy storage device due to the high specific capacity and high energy density. The wide application of lithium-sulfur batteries, however, is hindered ...
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Efficient Production Hyperoside from Quercetin in Escherichia coli Through Increasing UDP-Galactose Supply and Recycling of Resting Cell
Hyperoside is used as the standard to assess the quality of Hyperin perforatum L and exhibits many biological properties. To improve the yield of hyperoside in Escherichia coli, four UDP-galactose synthesis pathw...
