Evaluation on the performance of four different column models mounted on the compact type-I coil planet centrifuge.
Evaluation on the performance of four different column models mounted on the compact type-I coil planet centrifuge.
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DOI：
10.1016/j.chroma.2010.10.012
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发表时间：
2010-11-26
期刊：
影响因子：
--
通讯作者：
Ito Y
中科院分区：
文献类型：
--
作者：
Yang Y;Gu D;Aisa HA;Ito Y
Optimal positions of coiled separation columns on the type-I centrifuge were determined for four typical two-phase solvent systems to obtain the best separation efficiency (resolution and retention of stationary phase) for each with a suitable set of test samples. A set of short coiled columns is connected in series and mounted around the holder hub in four different ways: (model A) the tail of one unit with left-handedness was connected to the head of the next unit with right-handedness (TL-HR); (model B) the tail of one unit with left-handedness was connected to the tail of the next unit with right-handedness (TL-TR); (model C) the tail of one unit with left-handedness was connected to the tail of the next unit with left-handedness (TL-TL); (model D) the tail of one unit with left-handedness was connected to the head of the next unit with left-handedness (TL-HL). The results indicated that the performance of model D was the best among the four models. High revolution speed (800 rpm) is favorable to separation using the moderately hydrophobic solvent system of hexane-ethyl acetate-methanol-0.1 M HCl (1:1:1:1, v/v) (HEMW), while lower revolution speed (600 rpm) is beneficial to the separation with polar solvent system of 1-butanol-acetic acid-water (19:1:20, v/v) (BAW).
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DOI：
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期刊：
Journal of chromatography. A
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作者：
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影响因子：
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DOI：
10.1016/j.chroma.2009.12.055
发表时间：
2010-02-19
期刊：
Journal of chromatography. A
影响因子：
--
作者：
Yang Y;Gu D;Liu Y;Aisa HA;Ito Y
通讯作者：
Ito Y