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Analysis of brazilin and protosappanin B in sappan lignum by capillary zone electrophoresis with acid barrage stacking
- Yuanqi Lu, H. Bai, Chunyan Kong, Hao Zhong, M. Breadmore
- Chemistry, Medicine
- Electrophoresis
- 1 December 2013
A method was developed to determine brazilin and protosappanin B in natural products by CE after acid barrage stacking. The optimum conditions were as follows: a BGE of 20 mM sodium tetraborate (pH… Expand
Analysis of flavonoids by capillary zone electrophoresis with electrokinetic supercharging.
- Hao Zhong, Q. Yao, M. Breadmore, Y. Li, Yuanqi Lu
- Chemistry, Medicine
- The Analyst
- 10 October 2011
On-line concentration via Electrokinetic Supercharging (EKS) was used to enhance the sensitivity of the capillary electrophoretic separation of the four flavonoids naringenin, hesperetin, naringin… Expand
Analysis of flavonoids by non-aqueous capillary electrophoresis with 1-ethyl-3-methylimidazolium ionic-liquids as background electrolytes.
- Yuanqi Lu, Chunxiao Jia, Qingqiang Yao, Hao Zhong, M. Breadmore
- Chemistry, Medicine
- Journal of chromatography. A
- 6 December 2013
The separation of three flavonoids, kaempferol, quercetin and luteolin, by capillary zone electrophoresis with three 1-ethyl-3-methylimidazolium ionic liquids (ILs), namely chloride, hydrogen sulfate… Expand
Analysis of phenolic acids by non-aqueous capillary electrophoresis after electrokinetic supercharging.
- Yuanqi Lu, M. Breadmore
- Chemistry, Medicine
- Journal of chromatography. A
- 12 November 2010
Electrokinetic supercharging (EKS), a new and powerful on-line preconcentration method for capillary electrophoresis, was utilized in non-aqueous capillary electrophoresis (NACE) to enhance the… Expand
Fast analysis of phenolic acids by electrokinetic supercharging-nonaqueous capillary electrophoresis.
- Yuanqi Lu, M. Breadmore
- Chemistry, Medicine
- Journal of separation science
- 1 July 2010
A method was developed to analyze phenolic acids by nonaqueous CE after online concentration with electrokinetic supercharging. The EOF was reversed using a polyelectrolyte multilayer approach based… Expand
Orthogonal array design experiments for optimizing the separation of nine pesticides by micellar electrokinetic chromatography
Abstract Separation in micellar electrokinetic chromatography is influenced by many factors. The separation of 9 pesticides was optimized using orthogonal array designs (OADs), five relevant factors… Expand
Analysis of aromatic acids by nonaqueous capillary electrophoresis with ionic‐liquid electrolytes
- Yuanqi Lu, Dunqing Wang, Chunyan Kong, Hao Zhong, M. Breadmore
- Chemistry, Medicine
- Electrophoresis
- 1 December 2014
The separation of six kinds of aromatic acids by CZE with 1‐ethyl‐3‐methylimidazolium chloride (EMIMCl) and 1‐ethyl‐3‐methylimidazolium hydrogen sulfate (EMIMHSO4), two kinds of ionic liquids (ILs)… Expand
Analysis of Melamine in Milk Powder and Liquid Milk by Capillary Zone Electrophoresis After Electrokinetic Supercharging
- Yuanqi Lu, Dunqing Wang, Chunyan Kong, C. Jia, M. Breadmore
- Chemistry
- Food Analytical Methods
- 1 May 2015
A method was developed to determine melamine in milk powder and liquid milk by capillary zone electrophoresis after electrokinetic supercharging. The effects of buffer acidity and concentration, the… Expand
Advances of a capillary electrophoretic on-line concentration technique: Electrokinetic supercharging
ABSTRACT After comparing with electrokinetic injection (EKI) and transient isotachophoresis (t-ITP), the principles of electrokinetic supercharging (EKS) were introduced. Thereafter, the advances and… Expand
The effects of leakage error on terrestrial water storage variations in the Yangtze River Basin measured by GRACE
- Wanqiu Li, Chuanyin Zhang, +6 authors Yuanqi Lu
- Environmental Science
- 2019
Abstract The Yangtze River Basin is an important economic area in China. Monitoring TWS change in this basin is strongly meaningful for exploitation of water resources and economic development.… Expand