FACTORS THAT INFLUENCE MOBILITY, RESOLUTION, AND SELECTIVITY IN CAPILLARY ZONE ELECTROPHORESIS .3. THE ROLE OF THE BUFFERS ANION

被引:47
作者
ATAMNA, IZ [1 ]
METRAL, CJ [1 ]
MUSCHIK, GM [1 ]
ISSAQ, HJ [1 ]
机构
[1] NCI,FREDERICK CANC RES & DEV CTR,PROGRAM RESOURCES INC,POB B,FREDERICK,MD 21701
来源
JOURNAL OF LIQUID CHROMATOGRAPHY | 1990年 / 13卷 / 16期
关键词
D O I
10.1080/01483919008049096
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
A study of the anion of the buffer and its effect on electroosmotic flow, mobility times, resolution and selectivity was undertaken. The anions selected acetate, borate, phosphate, citrate, carbonate, nitrate and nitrite, gave widely different currents at the same applied voltage (20 kV). Carbonate produced the lowest current, while citrate produced the highest current. Also, it was found that the anion used influences not only electroosmotic flow and mobility times but the resolution and selectivity of eight dansylated amino acids. It is hereby recommended that more attention be paid to the selection of a buffer.
引用
收藏
页码:3201 / 3210
页数:10
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