59 Result(s)
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Article
Molecular cloning and expression of Pfu DNA polymerase gene and its application in long-distance PCR
A 2.3 kb DNA fragment containing Pfu DNA polA gene was amplified by PCR from total DNA ofPyrococcus furiosus and cloned into a pGEM-T vector. The recombinant clone pT-pfu was digested with Nco I and Xho I and the...
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Article
Synthesis and characterization of new polyfluorene derivatives: using phenanthro[9,10-d]imidazole group as a building block for deep blue light-emitting polymer
A series of novel polyfluorene derivatives P1/4, P2/4, and P3/4, containing phenanthro[9,10-d]imidazole group on backbone are designed, synthesized, and well characterized. They all show high-molecular weights, g...
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Article
Effect of groundwater geochemistry on pentachlorophenol remediation by smectite-templated nanosized Pd0/Fe0
Zero-valent iron holds great promise in treating groundwater, and its reactivity and efficacy depend on many surrounding factors. In the present work, the effects of solution chemistry such as pH, humic acid (...
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Article
Adsorption of phenol from aqueous solution by a hierarchical micro-nano porous carbon material
A hierarchical micro-nano porous carbon material (MNC) was prepared using expanded graphite (EG), sucrose, and phosphoric acid as raw materials, followed by sucrose-phosphoric acid solution impregnation, solid...
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Article
Effects of metal cations and fulvic acid on the adsorption of ciprofloxacin onto goethite
Ciprofloxacin (CIP) can be strongly adsorbed by ferric oxides, but some influencing factors, such as multivalent cations and soil organic matter, have not been evaluated extensively. In this study, the interac...
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Article
Joint toxicity of tetracycline with copper(II) and cadmium(II) to Vibrio fischeri: effect of complexation reaction
Co-contamination of antibiotic and heavy metals commonly occurs in the environment. Tetracycline (TC), a common antibiotic, can behave as an efficient organic ligand to complex with cations. In this paper, th...
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Open AccessCascade exciton-pum** engines with manipulated speed and efficiency in light-harvesting porous π-network films
Light-harvesting antennae are the machinery for exciton pum** in natural photosynthesis, whereas cascade energy transfer through chlorophyll is key to long-distance, efficient energy transduction. Numerous a...
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Hemin-histamine-montmorillonite clay conjugate as a model biocatalyst to mimic natural peroxidase
We successfully synthesized the first hemin-montmorillonite bio-conjugate with an amino acid residue to mimic natural peroxidase enzyme. Histamine was intercalated in montmorillonite by cation exchange, then a...
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Article
CO2 absorption properties of Ti- and Na-doped porous Li4SiO4 prepared by a sol–gel process
To improve the carbon dioxide (CO2) absorption performance of lithium orthosilicate (Li4SiO4), tablet-like Li4Si1−x Ti x O4 and Li3.9Na0.1Si0.96Ti0.04O4 sorbents ...
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Article
Hemin associated to cetyltrimethylammonium broide micelles: a biomimetic catalyst for 2,4,6-trichlorophenol degradation
For the first time, an efficient, green, economical biomimetic catalyst (hemin-cetyltrimethylammonium bromide micelles) was discovered to degrade 2,4,6-trichlorophenol (TCP). The degradation experiments indica...
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Article
Analysis of Mineral Elements, Metabolism, and Inflammation Indexes in the Plasma of Dairy Cows Suffering from Different Degrees of Lameness
In the plasma of dairy cows with 1–5 points of lameness, the mineral elements [calcium (Ca), iron (Fe), copper (Cu), zinc (Zn), iodine (I), selenium (Se), molybdenum (Mo), and chromium (Cr)], the energy metabo...
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Article
The Numerical and Experimental Investigation of the Multi-layer Laser-MIG Hybrid Welding for Fe36Ni Invar Alloy
Numerical and experimental investigations of multi-layer laser-MIG hybrid welding for Fe36Ni Invar alloy were presented in this paper. The multi-layer laser-MIG hybrid welding experiments with different parame...
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Article
Open AccessComplete Defluorination of Perfluorinated Compounds by Hydrated Electrons Generated from 3-Indole-acetic-acid in Organomodified Montmorillonite
Here we describe a unique process that achieves complete defluorination and decomposition of perfluorinated compounds (PFCs) which comprise one of the most recalcitrant and widely distributed classes of toxic ...
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Article
Investigation of welding parameters on microstructure and mechanical properties of laser beam-welded joint of 2060 Al–Cu–Li alloy
2060 Al–Cu–Li alloy plates with 2- and 1-mm thickness were welded by a fiber laser beam. The weld microstructure features and the mechanical properties such as microhardness and tensile strength of 2060 Al–Cu–...
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Article
Cellular Automaton Study of Hydrogen Porosity Evolution Coupled with Dendrite Growth During Solidification in the Molten Pool of Al-Cu Alloys
Welding porosity defects significantly reduce the mechanical properties of welded joints. In this paper, the hydrogen porosity evolution coupled with dendrite growth during solidification in the molten pool of...
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Article
Effect of Solute Diffusion on Dendrite Growth in the Molten Pool of Al-Cu Alloy
A cellular automaton (CA)–finite difference model is developed to simulate dendrite growth and solute diffusion during solidification process in the molten pool of Al-Cu alloy. In order to explain the interact...
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Effect of Temperature and Fluid Flow on Dendrite Growth During Solidification of Al-3 Wt Pct Cu Alloy by the Two-Dimensional Cellular Automaton Method
A two-dimensional cellular automaton–finite volume model was developed to simulate dendrite growth of Al-3 wt pct Cu alloy during solidification to investigate the effect of temperature and fluid flow on dendr...
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Article
Virtual Issue #2: Contribution of Chinese research to the field of environmental contamination and toxicology: The most cited papers published in BECT from 2012–2017
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Article
Formation, Stability and In Vitro Digestion of β-carotene in Oil-in-Water Milk Fat Globule Membrane Protein Emulsions
The formation, stability and in vitro digestion of milk fat globule membrane (MFGM) proteins stabilized emulsions with 0.2 wt% β-carotene were investigated. The average particle size of β-carotene emulsions st...
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Open AccessInternal fixation of acetabular fractures in an older population using the lateral-rectus approach: short-term outcomes of a retrospective study
This study aims to examine the clinical efficacy and surgical techniques of the lateral-rectus approach for treatment of acetabular factures in elderly patients.
