25 Result(s)
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Article
Biochemical Characterization of a Marine Pseudoalteromonas citrea-Derived Fatty Acyl-AMP Ligase That Exhibits N-Acyl Amino Acid Synthetic Activity
Activation of fatty acids as acyl-adenylates by fatty acid-AMP ligase (FAAL) is a well-established process contributing to the formation of various functional natural products. Enzymatic characterization of FA...
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Open AccessIdentification of the sesquiterpene synthase AcTPS1 and high production of (–)-germacrene D in metabolically engineered Saccharomyces cerevisiae
The sesquiterpene germacrene D is a highly promising product due to its wide variety of insecticidal activities and ability to serve as a precursor for many other sesquiterpenes. Biosynthesis of high value com...
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Article
A colorimetric sensing platform for azodicarbonamide detection in flour based on MnO2 nanosheets oxidative system
Azodicarbonamide (ADA), as a dough conditioner food additive in flour, can be turned into toxic biurea and semicarbazide after high temperature processing. Hence, the using of ADA in food material should be st...
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Article
Zinc-Deficiency Induced g-C3N4 Nanosheets: Photocatalytic Nitrogen Fixation Study and Carrier Dynamics
g-C3N4 has great application prospect in the field of photocatalytic nitrogen fixation owing to the advantages of abundant raw materials, low toxicity, low consumption, high efficiency and stability. However, the...
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Article
An electrochemical DNA biosensor based on nitrogen-doped graphene nanosheets decorated with gold nanoparticles for genetically modified maize detection
A reliable electrochemical biosensor is reported based on nitrogen-doped graphene nanosheets and gold nanoparticle (Au/N-G) nanocomposites for the event-specific detection of GM maize MIR162. The differential...
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Article
Melt-Electrospun Polyvinylbutyral Bonded Polypropylene Composite Fibrous Mat: Spinning Process, Structure and Mechanical Property Study
In this study, a novel polyvinylbutyral (PVB) bonded polypropylene (PP) composite fibrous mat was fabricated via melt-electrospinning. In order to enhance the structure stability and mechanical properties of p...
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Article
Preparation of Waterproof and Breathable Polyurethane Fiber Membrane Modified by Fluorosilane-modified Silica
Polyurethane is a thermoplastic elastomer with excellent physical and chemical properties, the hydrophilicity of PU limits the wide application in the waterproof and breathable materials market. In this study,...
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Article
The detection and evaluation for the internal defection in industrial pipeline based on the virtual heat source temperature field
Industrial pipelines work in high temperature and are corrosive, and this causes corrosion and shedding of the inner walls. Therefore, it is a realistic engineering problem to detect the defect information of ...
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Article
Development of an Efficient and Cost-Effective Enzymatic Process for Production of (R)-[3,5-bis(trifluoromethyl)phenyl] Ethanol Using Carbonyl Reductase Derived from Leifsonia sp. S749
(R)-[3,5-bis(trifluoromethyl) phenyl] ethanol [(R)-3,5-BTPE] is a crucial chiral intermediate for the synthesis of the NK-1 receptor antagonists aprepitant, rolapitant and fosaprepitant. The carbonyl reductase...
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Article
Broadband Terahertz Absorption in Graphene-Embedded Photonic Crystals
The absorption in graphene is rather low at terahertz frequencies. Here, we present a graphene-embedded photonic crystal structure to realize broadband terahertz absorption in graphene. The approach provides a...
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Article
Modification research of LiAlO2-coated LiNi0.8Co0.1Mn0.1O2 as a cathode material for lithium-ion battery
The LiNi0.8Co0.1Mn0.1O2 with LiAlO2 coating was obtained by hydrolysis–hydrothermal method. The morphology of the composite was characterized by SEM, TEM, and EDS. The results showed that the LiAlO2 layer was alm...
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Article
Carbon-supported Pd–Cr bimetallic nanoparticles and their electrocatalytic activity and durability in oxygen reduction reaction
A serious of carbon loaded Pd–Cr bimetallic catalysts (Pd x Cr1–x /C, x = 0.6–1, atomic ratio) were prepared by chemical reduction method. Among t...
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Article
Design, synthesis and biological evaluation of 3,4-dihydronaphthalen-1(2H)-one derivatives as Bcl-2 inhibitors
A series of new 3,4-dihydronaphthalen-1(2H)-one derivatives (6a–f) were designed, and synthesized by the Claisen–Schmidt condensation reaction. Their structures were characterized by NMR, FTIR, and MS spectroscop...
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Article
Ferrocenyl-isoxazole derivative: a novel electrochemical, colorimetric and fluorescent multiple signal probe for highly selective recognition of Cu2+ ions
In this paper, a novel compound 3-(2-quinolyl)-5-ferrocenyl-isoxazole(5) with high selectivity toward Cu2+ over other heavy and transition-metal(HTM) ions was designed and synthesized in good yields. The compo...
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Article
Overexpression of a Chitinase Gene from Trichoderma asperellum Increases Disease Resistance in Transgenic Soybean
In the present study, a chi gene from Trichoderma asperellum, designated Tachi, was cloned and functionally characterized in soybean. Firstly, the effects of sodium thiosulfate on soybean Agrobacterium-mediated g...
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Article
Allicin Inhibits Microbial Growth and Oxidative Browning of Fresh-Cut Lettuce (Lactuca sativa) During Refrigerated Storage
Fresh-cut lettuce has a short shelf life since it is very perishable and susceptible to enzymatic browning. The aim of this study was to examine the effectiveness of allicin treatment in prolonging the shelf l...
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Article
A Novel Dextran Dextrinase from Gluconobacter oxydans DSM-2003: Purification and Properties
Dextran has already been widely applied in food, pharmaceutical, and chemical industries. In this study, a novel intracellular dextran dextrinase (DDase, EC 2.4.1.2) from Gluconobacter oxydans DSM-2003 exhibiting...
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Article
Effects of Light Intensity on the Growth and Lipid Accumulation of Microalga Scenedesmus sp. 11-1 Under Nitrogen Limitation
Scenedesmus spp. have been reported as potential microalgal species used for the lipid production. This study investigated the effects of light intensity (at three levels: 50, 250, and 400 μmol p...
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Article
Application of surface enhanced Raman spectroscopy for analyses of restricted sulfa drugs
The presence of sulfonamide residues in muscle foods is an important concern for consumers and regulatory agencies since these residues may pose potential health risks and result in an increase of drug-resista...
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Article
Open AccessMychonastes aferHSO-3-1 as a potential new source of biodiesel
Biodiesel is considered to be a promising future substitute for fossil fuels, and microalgae are one source of biodiesel. The ratios of lipid, carbohydrates and proteins are different in different microalgal s...
