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学科主题: Chemistry
题名: studies on the performance of different coiled column configurations for compact type-i countercurrent chromatography
作者: Yang Yi; Gu Dongyu; Aisa Haji Akber; Ito Yoichiro
关键词: Coiled column configuration ; Compact type-I countercurrent chromatography ; Dinitrophenyl amino acid ; Dipeptide ; Retention of the stationary phase ; Resolution
刊名: Journal of Separation Science
发表日期: 2011
DOI: 10.1002/jssc.201100019
卷: 34, 期:10, 页:1205-1211
摘要: Three types of novel coiled column configurations, i.e. a triangular coiled column and elliptical coiled columns I and II, were designed for type-I countercurrent chromatography and their performances were evaluated with two solvent systems each with suitable test samples. Three dinitrophenyl (DNP) amino acids (DNP-DL-glu, DNP-β-ala and DNP-L-ala) were separated with a moderately hydrophobic two-phase solvent system composed of hexane-ethyl acetate-metanol-0.1 M hydrochloric acid (1:1:1:1, v/v), while two dipeptides (tryptophyl-tyrosine and valyl-tyrosine) were separated with a polar solvent system composed of 1-butanol-acetic acid-water (4.75:0.25:5, v/v). The overall results indicated that the performance of compact type-I countercurrent chromatography was improved by elliptical coiled column I which was mounted with its maximum coil diameter perpendicular to the surface of the column holder. Hydrodynamic effects involved in these separations were discussed. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/1446
Appears in Collections:新疆维吾尔自治区植物资源化学重点实验室 _期刊论文

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作者单位: NHLBI, Bioseparat Technol Lab, Biochem & Biophys Ctr, NIH, Bethesda, MD 20892 USA;Chinese Acad Sci, Key Lab Xinjiang Indigenous Med Plants Resource U, Xinjiang Tech Inst Phys & Chem, Urumqi, Peoples R China

Recommended Citation:
Yang Yi,Gu Dongyu,Aisa Haji Akber,et al. studies on the performance of different coiled column configurations for compact type-i countercurrent chromatography[J]. Journal of Separation Science,2011,34(10):1205-1211.
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