Preparation and characterization of the neomycin-bonded silica stationary phase for hydrophilic-interaction chromatography
文献类型： 外文期刊
作者： Peng, Xi-Tian 1 ; Feng, Yu-Qi 2 ; Hu, Xi-Zhou 1 ; Hu, Ding-Jin 1 ;
作者机构： 1.Hubei Acad Agr Sci, Inst Qual Stand & Testing Technol Agroprod, Wuhan 430064, Peoples R China
2.Wuhan Univ, Dept Chem, Minist Educ, Key Lab Analyt Chem Biol & Med, Wuhan 430072, Peoples R China
关键词： Hydrophilic-interaction chromatography;Neomycin;Nucleosides;Organic acids;Silica-NC stationary phase
期刊名称：CHROMATOGRAPHIA （ 影响因子：2.044； 五年影响因子：1.725 ）
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收录情况： SCI
摘要： In this paper, a novel hydrophilic neomycin-bonded silica (Silica-NC) stationary phase for hydrophilic-interaction chromatography (HILIC) was prepared with cyanuric chloride as coupling agent. The resulting Silica-NC stationary phase was characterized by Fourier transform infrared spectroscopy and elemental analysis to prove the successful immobilization of neomycin on the surface of silica gel. A set of analytes with different properties were selected to investigate the chromatographic characteristics of the Silica-NC stationary phase under HILIC mode. The effects of mobile phase variables such as organic modifier content, ionic strength and pH values on the chromatographic behaviors of testing probes were investigated in detail. The results demonstrated that the Silica-NC phase behaved as a chromatographic packing with hydrophilic- interaction and ionic-interaction. Finally, the effective separations of nucleosides and bases, organic acids, cytokinins and sulfanilamides were achieved on the Silica-NC stationary phase under HILIC mode, indicating the excellent application potential of our developed hydrophilic Silica-NC stationary phase.
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