全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Jun-qin Qiao , Qun Song
来源:[J].Instrumentation Science & Technology(IF 0.429), 2015, Vol.43 (4), pp.453-468Taylor & Francis
摘要:Matrix-assisted laser desorption ionization-tandem time of flight mass spectrometry MALDI-(TOF/TOF) MS is a simple, rapid, sensitive, and high-resolution method for the characterization of polypeptides. In this article, bacitracin zinc, which is a polypeptide antibiotic, was...
作者:... Shihai Cui , Jun-qin Qiao , Hong-zhen Lian
来源:[J].Journal of Molecular Catalysis. A, Chemical(IF 3.187), 2014, Vol.395, pp.42-51Elsevier
摘要:Abstract(#br)Cobalt doped TiO 2 nanoparticle prepared by ultrasonic-assisted hydrothermal method was used as the photocatalyst in the degradation of chlorophenols (CPs) and bromophenols (BPs). The doping content of cobalt in this catalyst was optimized as 0.5 wt%. The degrad...
作者:Jun-qin Qiao , Hong-zhen Lian
来源:[J].Journal of Chromatography A(IF 4.612), 2014, Vol.1325, pp.8-15Elsevier
摘要:Abstract(#br)Carbon decorated Fe 3 O 4 nanoparticles (Fe 3 O 4 /C) are promising magnetic solid-phase extraction (MSPE) sorbents in environmental and biological analysis. Fe 3 O 4 /C based MSPE method shows advantages of easy operation, rapidness, high sensitivity, and envir...
作者:Jun-qin Qiao , Shi-hai Cui ...
来源:[J].Applied Surface Science(IF 2.112), 2014, Vol.321, pp.126-135Elsevier
摘要:Abstract(#br)Carbon doped Fe 3 O 4 nanoparticles (Fe 3 O 4 /C) prepared by a facile hydrothermal reaction of glucose with iron resource have been applied as magnetic solid-phase extraction (MSPE) sorbent, for the first time, to extract trace brominated flame retardants (BFRs...
作者:Jun-qin Qiao , Dan Xu ...
来源:[J].Research on Chemical Intermediates(IF 0.88), 2015, Vol.41 (2), pp.691-703Springer
摘要:Abstract(#br)A high performance liquid chromatography with ultraviolet detection was proposed for the separation and determination of relative substances in industrial arbutin and its synthetical intermediates 4-acetoxyphenol (ATP) and arbutin pentaacetate (ABPA). Liquid chr...
作者:Jun-qin Qiao , Hong-zhen Lian
来源:[J].Talanta(IF 3.498), 2012, Vol.101, pp.64-70Elsevier
摘要:Abstract(#br)The variation in mobile phase pH and ionizable solute dissociation constant (p K a ) with the change of organic modifier fraction in hydroorganic mobile phase has seemingly been a troublesome problem in studies and applications of reversed phase high performance...
作者:Jun-qin Qiao , Yun-yang Zhang ...
来源:[J].Talanta(IF 3.498), 2012, Vol.97, pp.355-361Elsevier
摘要:Abstract(#br)The utilization of neutral compounds as model compounds is put forward for determination of the n -octanol/water partition coefficient ( K ow ) of highly hydrophobic, weak acidic compounds by reversed-phase high performance liquid chromatography (RP-HPLC). It is...
作者:Jun-qin Qiao , Hong-zhen Lian ...
来源:[J].Journal of Chromatography A(IF 4.612), 2013, Vol.1291, pp.1-9Elsevier
摘要:Abstract(#br)A capillary poly(trimethyl-2-methacroyloxyethylammonium chloride-co-ethylene glycol dimethacrylate) monolith was in situ synthesized by thermally initiated free radical co-polymerization using trimethyl-2-methacroyloxyethylammonium chloride (MATE) and ethylene g...
作者:Jun-qin Qiao , Hong-zhen Lian ...
来源:[J].Journal of Chromatography A(IF 4.612), 2012, Vol.1256, pp.15-21Elsevier
摘要:Abstract(#br)A simple and facile needle-adapter was designed for constructing manual on-line polymer monolith microextraction-high performance liquid chromatography (PMME-HPLC). A capillary poly(4-vinylpyridine- co -ethylene glycol dimethacrylate) [poly(VP- co -EGDMA)] monol...

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