[Rapid screening of 44 pesticide residues in ginger and scallion by ultra performance liquid chromatography coupled with quadrupole-time of flight mass spectrometry] [0.03%]
基于UPLC-Q-TOF-MS的ginger和scallion中44种农药残留物的快速筛查方法
Yongqiang Liu,Sheng Liu,Wenjuan Xu et al.
Yongqiang Liu et al.
An analytical method was established for the simultaneous determination of 44 pesticide residues in ginger and scallion by ultra performance liquid chromatography coupled with quadrupole-time of flight mass spectrometry (UPLC-Q-TOF/MS). The...
[Stable isotope labeling and parallel reaction monitoring-based proteomic quantification for biomarker screening and validation of hepatocellular carcinoma] [0.03%]
稳定同位素标记结合平行反应监测质谱的肝细胞癌生物标志物筛选及验证蛋白质定量技术
Sulan Wang,Huaping Gao,Jing Zhang et al.
Sulan Wang et al.
Liver cancer is the fifth most common cancer with extremely low five year survival rate. Early diagnosis is of great importance for cancer therapy. In this work, stable isotope labeling-based relative quantitative proteomics and parallel re...
[Preparation and evaluation of hydrophilic interaction/reversed-phase mixed-mode chromatographic packing based on polylsilsesquioxane microspheres] [0.03%]
基于聚有机硅倍半氧烷微球的亲水作用/反相混合模式色谱填料的制备及评价
Qiannan Lü
Qiannan Lü
Hydrophilic interaction (HILIC)/reversed-phase (RPLC) mixed-mode chromatography is widely used in separating both hydrophobic and hydrophilic compounds, but its pH range is limited which is harmful to the separation of alkaline drugs. Monod...
[Present situation and development trends of asymmetrical flow field-flow fractionation] [0.03%]
不对称流动场流分离的现状及发展趋势
Qihui Liang,Di Wu,Bailing Qiu et al.
Qihui Liang et al.
Field-flow fractionation (FFF) is a kind of mature separation technologies in the field of bioanalysis, feasible of separating analytes with the differences of certain physical and chemical properties by the combination effects of two ortho...
[Preparation of filter paper with chiral separation function by oxidation and Schiff-base reaction] [0.03%]
氧化和希夫碱反应法制备手性分离滤纸研究
Lixin Luo,Xinghua Zhao,Minjie Jiang et al.
Lixin Luo et al.
Paper chromatography (PC) is a highly flexible, fast, and efficient separation method. In this study, a chromatographic paper with a chiral separation function was investigated and a paper chromatographic method for chiral separation was de...
[A novel ship-borne positive pressure solid phase extraction device to enrich organo chlorinated and pyrethroid pesticides in seawater] [0.03%]
一种用于富集海水有机氯和拟除虫菊酯类农药的新型船载正压固相萃取装置
Jianglei Ye
Jianglei Ye
A novel solid phase extraction (SPE) device driven by positive pressure was developed instead of negative pressure from a vacuum pump, in order to enrich organo chlorinated and pyrethroid pesticides in seawater. The water sampling bottles a...
[Determination of 20 pyrethroid residues in vegetable foods by gas chromatography-tandem mass spectrometry] [0.03%]
[气相色谱-质谱法测定蔬菜中20种拟除虫菊酯残留量]
Li Qu,You Li,Jing Zeng et al.
Li Qu et al.
A method of gas chromatography-tandem mass spectrometry (GC-MS/MS) was developed for the simultaneous determination of 20 pyrethroid residues in vegetable foods. The samples were extracted by acetone-n-hexane (1:1, v/v), cleaned up by activ...
[Determination of microcystins in algal bloom samples by ultra performance liquid chromatography-tandem mass spectrometry and elimination of their matrix effects] [0.03%]
[采用超高效液相色谱-串联质谱法测定水华样品中的微囊藻毒素并消除基体效应]
Fei Shen,Yanjuan Xu,Sheng Jiang et al.
Fei Shen et al.
A rapid and simple method was commonly used for the determination of microcystins by ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). The reliability, accuracy and sensitivity of LC-MS/MS determination were aff...
[Analysis of hydrogen isotopes by gas chromatography using a MnCl2 coated γ-Al2O3 capillary packed column] [0.03%]
用γ-Al2O3担锰氯化物固定相的毛细管柱进行气相色谱氢同位素分析
Ping Chen,Xiaolong Fu,Peng Hu et al.
Ping Chen et al.
The conventional packed column gas chromatographic analysis of hydrogen isotopes has low column efficiency, broad peak and long retention time. In this work, a γ-Al2O3 with MnCl2 coated capillary packed column was tested at cryogenic tempe...
[Determination of olive oil content in olive blend oil by headspace gas chromatography-mass spectrometry] [0.03%]
[通过顶空气相色谱-质谱法测定橄榄混合油中的特级初榨橄榄油含量]
Wanfeng Jiang,Ning Zhang,Fengyan Zhang et al.
Wanfeng Jiang et al.
A method for the determination of the content of olive oil in olive blend oil by headspace gas chromatography-mass spectrometry (SH-GC/MS) was established. The amount of the sample, the heating temperature, the heating time, the amount of i...