59 Result(s)
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Article
Zn (II), Cu (II), Co (II), and Ni (II) complexes bearing aza-heterocyclic ligands: synthesis, characterization, and anticancer activities
Due to their structural arrangements, coordination complexes have shown potential to combat various human diseases. Nitrogen heteroatoms are a fascinating class of coordination compounds with many applications...
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Measurements of 232Th(n,2n) 231Th reaction cross-sections in the neutron energy of 12–18.5 MeV
At the 3MV tandem accelerator of Sichuan University, monoenergetic neutrons were generated through the T(d,n)4He reaction by bombarding a Tritium–Titanium (T–Ti) target with a 2 MeV deuterium beam. The neutron ac...
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Article
Particles Manipulation to Improve Removal Efficiency of Fused Silica in Chemical Mechanical Polishing
SiO2 based slurry was an ideal solution for addressing element pollution in fused silica polishing. However, it was still a huge challenge to enhance polishing efficiency. Herein, lignin was added into colloidal ...
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Open AccessKinetically and thermodynamically controlled one-pot growth of gold nanoshells with NIR-II absorption for multimodal imaging-guided photothermal therapy
Since the successful clinical trial of AuroShell for photothermal therapy, there is currently intense interest in develo** gold-based core-shell structures with near-infrared (NIR) absorption ranging from NI...
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Synthesis and properties of poly(acrylamide-co-N-vinylpyrrolidone-co-sodium p-styrene sulfonate) as an anionic fluid loss additive
A new anionic polymer poly(acrylamide-co-N-vinylpyrrolidone-co-sodium p-styrene sulfonate) (abbreviated as PANS) is synthesized by using acrylamide(AM), N-vinylpyrrolidone(NVP) and sodium p-styrene sulfonate(S...
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Open AccessCombination of genetic engineering and random mutagenesis for improving production of raw-starch-degrading enzymes in Penicillium oxalicum
Raw starch-degrading enzyme (RSDE) is applied in biorefining of starch to produce biofuels efficiently and economically. At present, RSDE is obtained via secretion by filamentous fungi such as Penicillium oxalicu...
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Sensitive colorimetric sensing of glutathione and H2O2 based on enhanced peroxidase mimetic activity of MXene@Fe3O4
The peroxidase-like activity of MXene@Fe3O4 nanocomposites and the relevant colorimetric application have been investigated for the first time. According to a kinetic study, MXene@Fe3O4 nanocomposites displayed ...
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Article
Determination of trichlorfon using a molecularly imprinted electrochemiluminescence sensor on multi-walled carbon nanotubes decorated with silver nanoparticles
Considering the limitations associated with existing methods for the detection of trace amounts of trichlorfon, this paper proposes a novel molecularly imprinted electrochemiluminescence (ECL) sensor for the d...
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Open AccessARTP/EMS-combined multiple mutagenesis efficiently improved production of raw starch-degrading enzymes in Penicillium oxalicum and characterization of the enzyme-hyperproducing mutant
Application of raw starch-degrading enzymes (RSDEs) in starch processing for biofuel production can effectively reduce energy consumption and processing costs. RSDEs are generally produced by filamentous fungi...
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Article
Thermal decompositions and heat capacities study of a co-based zeolitic imidazolate framework
Zeolitic imidazolate frameworks (ZIFs), a sub-class of metal–organic frameworks, have also been intensively investigated in many fields because of the excellent thermal stability. However, the thermal decompos...
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Article
Compatible solutes adaptive alterations in Arthrobacter simplex during exposure to ethanol, and the effect of trehalose on the stress resistance and biotransformation performance
Ethanol-tolerant Arthrobacter simplex is desirable since ethanol facilitates hydrophobic substrates dissolution on an industrial scale. Herein, alterations in compatible solutes were investigated under ethanol st...
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Article
One-pot synthesis and biological and catalytic applications of organometallic complexes involving oxazolines and (R)/(S)-a-phenylethylamine
The crystal structures of zinc complexes 1 and 3 were determined following synthesis via a one-pot method involving the reaction of 2-hydro-6-methyl-nicotinonitrile and 2-cyanopyridine with different l-amino alco...
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Article
Preparation, characterization and properties of SiO2 expansible composite microspheres for water-based drilling fluid
In the process of drilling for oil and gas, plugging materials are used to effectively plug the formation pores and microfractures and thus ensure the stability of the wellbore. In this work, SiO2 expansible comp...
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Open AccessImproving phytosterol biotransformation at low nitrogen levels by enhancing the methylcitrate cycle with transcriptional regulators PrpR and GlnR of Mycobacterium neoaurum
Androstenedione (AD) is an important steroid medicine intermediate that is obtained via the degradation of phytosterols by mycobacteria. The production process of AD is mainly the degradation of the phytostero...
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Article
Computational study on optoelectronic and charge transport properties of diketopyrrolopyrrole-based A–D–A–D–A structure molecules for organic solar cells
Eight novel diketopyrrolopyrrole (DPP)-based A–D–A–D–A structure molecules were designed for organic solar cells (OSCs) applications. In these molecules, the electron-deficient DPP and dicyanovinyl groups were...
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Article
Oil Removal Technology and the Mechanism of Oily Cuttings by Silicic Acid Micromicelles
A large amount of oily cuttings is produced in the drilling process when the oil-based drilling fluid is used. The oil and oil-soluble additives adsorbed on the surface of the cuttings may pollute the environm...
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Article
Open AccessCorrection to: One-step templated synthesis of chiral organometallic salicyloxazoline complexes
Following publication of the original article [1], the authors reported an error in Schemes 1 and 2 and repeated line in subsection “Bis(ligand) nickel(II) chelate (NiL12)”.
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Article
Open AccessHow an essential Zn2Cys6 transcription factor PoxCxrA regulates cellulase gene expression in ascomycete fungi?
Soil ascomycete fungi produce plant-biomass-degrading enzymes to facilitate nutrient and energy uptake in response to exogenous stress. This is controlled by a complex signal network, but the regulatory mechan...
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Open AccessDifferential transcriptomic profiling of filamentous fungus during solid-state and submerged fermentation and identification of an essential regulatory gene PoxMBF1 that directly regulated cellulase and xylanase gene expression
Solid-state fermentation (SSF) mimics the natural decay environment of soil fungi and can be employed to investigate the production of plant biomass-degrading enzymes. However, knowledge on the transcriptional...
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Article
Open AccessOne-step templated synthesis of chiral organometallic salicyloxazoline complexes
The general approach to the synthesis of metal complexes begins with ligand synthesis, followed by ligand reaction with metal salts to afford organometallic complexes. Our research group first reported a one-p...
