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Chiral speciation and determination of DL-Selenomethionine enantiomers on a novel chiral ligand-exchange stationary phase
Huang, XJ; Wang, JD; Wang, QQ; Huang, BL
刊名ANALYTICAL SCIENCES
2005-03-01
21期:3页:253-257
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Analytical
研究领域[WOS]Chemistry
关键词[WOS]MASS-SPECTROMETRIC DETECTION ; ICP-MS ; CAPILLARY-ELECTROPHORESIS ; AMINO-ACIDS ; LIQUID-CHROMATOGRAPHY ; SELENIUM DEFICIENCY ; BETA-CYCLODEXTRIN ; SELENOAMINO ACIDS ; SEPARATION ; RESOLUTION
英文摘要A new type of chiral ligand-exchange stationary phase (CLES) was successfully synthesized by treating silica gel with beta-(3,4-epoxycyclohexyl)ethyltrimethoxy silane and opening the epoxy ring by L-isoleucine. The chiral speciation of DL-selenomethionine (DL-SeMet) by high-performance liquid chromatography (HPLC) with UV absorbance on the CLES column was studied. The influences of the contents of copper ion and methanol as well as the pH value in the mobile phase and temperature of the column on the efficiency of resolution Of DL-SeMet were investigated in detail. DL-SeMet could be completely resolved within 40 min under the optimal operating conditions of 0.1 mmol[L CU2+ at 0.05 mol/L KH2PO4 buffer (pH = 5.5) and 35 degrees C temperature of the column. The limits of detection Of D- and L-SeMet were 255 ppb and 286 ppb, respectively. This method was applied to determine the D- and L-enantiomers Of DL-SeMet in real samples, such as selenized yeast powder and garlic.
语种英语
WOS记录号WOS:000234120600013
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被引频次:20[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/139616
专题中国科学院大连化学物理研究所
作者单位1.Xiamen Univ, Dept Chem, Xiamen 361005, Peoples R China
2.Xiamen Univ, MOE Key Lab Analyt Sci, Xiamen 361005, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116012, Peoples R China
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Huang, XJ,Wang, JD,Wang, QQ,et al. Chiral speciation and determination of DL-Selenomethionine enantiomers on a novel chiral ligand-exchange stationary phase[J]. ANALYTICAL SCIENCES,2005,21(3):253-257.
APA Huang, XJ,Wang, JD,Wang, QQ,&Huang, BL.(2005).Chiral speciation and determination of DL-Selenomethionine enantiomers on a novel chiral ligand-exchange stationary phase.ANALYTICAL SCIENCES,21(3),253-257.
MLA Huang, XJ,et al."Chiral speciation and determination of DL-Selenomethionine enantiomers on a novel chiral ligand-exchange stationary phase".ANALYTICAL SCIENCES 21.3(2005):253-257.
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