Diffusive analyte loss in capillary electrophoresis caused by delay in field application

被引:1
作者
Colyer, CL [1 ]
Myland, JC [1 ]
Oldham, KB [1 ]
机构
[1] TRENT UNIV,DEPT CHEM,PETERBOROUGH,ON K9J 7B8,CANADA
关键词
diffusion; electrophoresis; analyte loss; dispersion; peak width;
D O I
10.1016/0021-9673(95)01288-5
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
In capillary electrophoresis with sample injection into the capillary mouth, delay between returning the capillary to the inlet reservoir and initiating solution mobilization allows analyte leakage by diffusion from the capillary mouth. This leakage has been modelled on the basis of either convective or diffusive analyte dispersal and the models have been compared with experimental results for peak diminution. Peak widths have also received attention and their utility in estimating analyte amounts has been investigated.
引用
收藏
页码:335 / 343
页数:9
相关论文
共 13 条
[1]   INFLUENCE OF ANALYTE PLUG WIDTH ON PLATE NUMBER IN CAPILLARY ELECTROPHORESIS [J].
DELINGER, SL ;
DAVIS, JM .
ANALYTICAL CHEMISTRY, 1992, 64 (17) :1947-1959
[2]   PROBLEMS OF QUANTITATIVE INJECTION IN CAPILLARY ZONE ELECTROPHORESIS [J].
DOSE, EV ;
GUIOCHON, G .
ANALYTICAL CHEMISTRY, 1992, 64 (02) :123-128
[3]  
Dyson N., 1990, CHROMATOGRAPHIC INTE
[4]   CAPILLARY ZONE ELECTROPHORESIS - QUANTITATIVE STUDY OF THE EFFECTS OF SOME DISPERSIVE PROCESSES ON THE SEPARATION EFFICIENCY [J].
FORET, F ;
DEML, M ;
BOCEK, P .
JOURNAL OF CHROMATOGRAPHY, 1988, 452 :601-613
[5]   ANALYSIS OF FACTORS CAUSING PEAK BROADENING IN CAPILLARY ZONE ELECTROPHORESIS [J].
HUANG, XH ;
COLEMAN, WF ;
ZARE, RN .
JOURNAL OF CHROMATOGRAPHY, 1989, 480 :95-110
[6]  
*ISCO INC, 1991, MOD 3850 EL INSTR MA
[7]   COMPARISON OF LIQUID-JUNCTION AND COAXIAL INTERFACES FOR CAPILLARY ELECTROPHORESIS MASS-SPECTROMETRY WITH APPLICATION TO COMPOUNDS OF CONCERN TO THE AQUACULTURE INDUSTRY [J].
PLEASANCE, S ;
THIBAULT, P ;
KELLY, J .
JOURNAL OF CHROMATOGRAPHY, 1992, 591 (1-2) :325-339
[8]  
PLEASANCE S, 1993, CAPILLARY ELECTROPHO
[9]   COMPUTATIONAL SIMULATION OF MIGRATION AND DISPERSION IN FREE CAPILLARY ZONE ELECTROPHORESIS .2. RESULTS OF SIMULATION AND COMPARISON WITH MEASUREMENTS [J].
REIJENGA, JC ;
KENNDLER, E .
JOURNAL OF CHROMATOGRAPHY A, 1994, 659 (02) :417-426
[10]   COMPUTATIONAL SIMULATION OF MIGRATION AND DISPERSION IN FREE CAPILLARY ZONE ELECTROPHORESIS .1. DESCRIPTION OF THE THEORETICAL-MODEL [J].
REIJENGA, JC ;
KENNDLER, E .
JOURNAL OF CHROMATOGRAPHY A, 1994, 659 (02) :403-415