25 Result(s)
within
Mei**g Shi
Chemistry
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Article
Open AccessA novel sucrose-inducible expression system and its application for production of biomass-degrading enzymes in Aspergillus niger
Filamentous fungi are extensively exploited as important enzyme producers due to the superior secretory capability. However, the complexity of their secretomes greatly impairs the titer and purity of heterolog...
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Article
Electrochemical hydrogenation of oxidized contaminants for water purification without supporting electrolyte
Electrocatalytic hydrogenation enables the efficient treatment of oxidized contaminants in water under mild conditions, but its application has been greatly hindered by the need for a supporting electrolyte an...
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Article
Mechanical Behavior of PMMA/SiO2 Multilayer Nanocomposites: Experiments and Molecular Dynamics Simulation
Poly(methyl methacrylate) (PMMA)/nano-silica (nano-SiO2) nanocom-posite film with 256 layers containing different amounts of nano-SiO2 was manufactured by a new type of micro-nano multilayer co-extrusion technolo...
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Article
Open AccessTime-resolved carotenoid profiling and transcriptomic analysis reveal mechanism of carotenogenesis for astaxanthin synthesis in the oleaginous green alga Chromochloris zofingiensis
Chromochloris zofingiensis is emerging as an industrially relevant alga given its robust growth for the production of lipids and astaxanthin, a value-added carotenoid with broad applications. Nevertheless, poor u...
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Article
Sulfate-induced electrochemical instability in the transpassive region during the electrooxidation of Na2S on Pt
The effects of chemisorbed sulfate on the spatiotemporal dynamics of Na2S in strongly alkaline solutions were investigated via electrochemical measurements and simultaneous imaging with a charge-coupled device (C...
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Article
Preparation of Ca-alginate coated nZVI core shell beads for uranium (VI) removal from aqueous solution
In this study, the core–shell nanoscale zero-valent iron (nZVI)@Alg–Ca beads were synthesized by coaxial electronic injection method for removal of U (VI) from aqueous solution, and characterized by SEM, EDX a...
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Article
Thermal degradation behaviors and fire retardant properties of poly(1,3,4-oxadiazole)s (POD) and poly(m-phenylene isophthalamide) (PMIA) fibers
Thermal degradation behaviors and fire retardant properties of poly(1,3,4-oxadiazole)s (POD) and poly(m-phenylene isophthalamide) (PMIA) fibers were investigated. The thermal gravimetric analysis (TGA) demonst...
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Article
A Parallel-Column LC–MS/MS Method for High-Throughput Analysis of Eight Antiepileptic Drugs in Clinical Therapeutic Drug Monitoring
Therapeutic drug monitoring (TDM), the practice of measuring drug plasma concentrations at multiple times, is necessary in the clinical management of drugs with narrow therapeutic windows, such as antiepilepti...
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Article
Diethanol ammonium-borate based polybetaine with tunable UCST phase transition
A betaine-type styrene monomer with the quaternary ammonium-borate anion inner-salt pair was synthesized through the quaternization reaction and polymerized to afford the target polybetaine of poly(4-vinylbenz...
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Article
Photo-dimerization characteristics of coumarin pendants within amphiphilic random copolymer micelles
The photo-dimerization characteristics of coumarin pendants within amphiphilic random copolymer micelles in aqueous solution was comprehensively investigated using various selected wavelength light in the UV-V...
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Article
Effect of wearing characteristics on visual shielding property of woven fabrics
Having good visual shielding property is a basic requirement for conventional clothing, especially for those with light weight and color used in summer. To date, the focuses of many researches have been concen...
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Article
Photo-induced dynamic association of coumarin pendants within amphiphilic random copolymer micelles
The water-soluble amphiphilic random copolymer of P(DMA-co-VBC) with coumarin pendants has been designed to investigate the photo-induced dynamic association of coumarin pendants within polymer micelles in aqueou...
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Article
LC-MS/MS method for the quantitation of cefotetan in human plasma and its application to pharmacokinetic study
A rapid and sensitive liquid chromatography-tandem mass spectrometry(LC-MS/MS) method for the determination of cefotetan in human plasma was developed and validated. After the protein precipitation of sample w...
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Article
Highly active Pd/WO3-CNTs catalysts for formic acid electrooxidation and study of the kinetics
The new Pd/WO3-CNTs catalysts are prepared for formic acid electrooxidation in direct formic acid fuel cells (DFAFCs). According to XRD, TEM, and HRTEM results, WO3 particles are covered or overlapped with Pd par...
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Article
Study of the near-infrared transmission of woven fabrics based on statistical analysis
47 kinds of woven fabrics were prepared with different fibers, thicknesses, weights per square meter and percentage covers. Statistical analysis method was employed to study the influence of the material and s...
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Article
Synthesis of palladium nanoparticles supported on reduced graphene oxide-tungsten carbide composite and the investigation of its performance for electrooxidation of formic acid
Palladium (Pd) nanoparticles are uniformly distributed on tungsten carbide (WC)-reduced graphene (RGO) oxide composite to synthesize a new electrocatalyst Pd-WC/RGO. The catalysts prepared with various amounts...
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Article
Microwave-Assisted Synthesis of Mesoporous Tungsten Carbide/Carbon for Fuel Cell Applications
Different template routes were applied for the fabrication of two types of mesoporous tungsten carbide/carbon (WC/C) assisted with a microwave heating method. One was WC/C–F using triblock copolymer Pluronic F...
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Article
Open AccessDevelopment of a genetic system for the deep-sea psychrophilic bacterium Pseudoalteromonas sp. SM9913
Pseudoalteromonas species are a group of marine gammaproteobacteria frequently found in deep-sea sediments, which may play important roles in deep-sea sediment ecosystem. Although genome sequence analysis of Pse...
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Microwave-assisted synthesis of Pt-WC/TiO2 in ionic liquid and its application for methanol oxidation
Tungsten carbide/titanium oxide (WC/titanium dioxide (TiO2)) particles are prepared by microwave-assisted heating in conjunction with ionic liquid and the subsequent reduction–carbonization. The platinum particle...
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Effects of electron-beam irradiation crosslinking on PA6 fibers
Irradiation crosslinking of PA6 fibers with and without the presence of triallyl cyanurate (TAC) was investigated. The dose for incipient gel formation was 500 kGy for pristine PA6 fibers and it decreased to 1...
