FABRICATION AND EVALUATION OF POSTCAPILLARY JUNCTIONS VIA MICROSCALE MOLDING FOR USE AS REACTORS AND FLOW MULTIPLEXERS IN CAPILLARY ELECTROKINETIC SEPARATIONS

被引:6
作者
STALLER, TD
SEPANIAK, MJ
机构
[1] Department of Chemistry, University of Tennessee, Knoxville
基金
美国能源部;
关键词
D O I
10.1080/10739149508014119
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A new method of micro-fabrication is developed and employed in the production of low dead volume junctions for two post capillary detection schemes. The application of the junction as a post capillary reactor for peroxyoxalate chemiluminescence detection is presented. Approximate detection limits of 2.5 x 10(-7) ($) under bar M and 9.1 x 10(-7) ($) under bar M are reported for perylene and anthracene (respectively) with a response linear over 3 orders of magnitude. A novel post capillary flow multiplexer is reported which utilizes electroosmotic flow switching to divert bands into secondary channels for off-line defection. The effect of solvent composition and reservoir geometry on electroosmotic flow switching times is described.
引用
收藏
页码:235 / 254
页数:20
相关论文
共 14 条
  • [1] Dadoo R., 1992, J HIGH RES CHROMATOG, V15, P133
  • [2] STOPPED-FLOW DETERMINATION OF THE PARAMETERS AFFECTING THE APPLICATION OF PEROXYOXALATE CHEMI-LUMINESCENCE TO HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHIC DETECTION
    HANAOKA, N
    GIVENS, RS
    SCHOWEN, RL
    KUWANA, T
    [J]. ANALYTICAL CHEMISTRY, 1988, 60 (20) : 2193 - 2197
  • [3] CAPILLARY ELECTROPHORESIS AND SAMPLE INJECTION SYSTEMS INTEGRATED ON A PLANAR GLASS CHIP
    HARRISON, DJ
    MANZ, A
    FAN, ZH
    LUDI, H
    WIDMER, HM
    [J]. ANALYTICAL CHEMISTRY, 1992, 64 (17) : 1926 - 1932
  • [4] EVALUATION OF ARYL OXALATES FOR CHEMILUMINESCENCE DETECTION IN HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY
    HONDA, K
    MIYAGUCHI, K
    IMAI, K
    [J]. ANALYTICA CHIMICA ACTA, 1985, 177 : 103 - 110
  • [5] USE OF AN ON-COLUMN FRIT IN CAPILLARY ZONE ELECTROPHORESIS - SAMPLE COLLECTION
    HUANG, XH
    ZARE, RN
    [J]. ANALYTICAL CHEMISTRY, 1990, 62 (05) : 443 - 446
  • [6] MICROCHIP CAPILLARY ELECTROPHORESIS WITH AN INTEGRATED POSTCOLUMN REACTOR
    JACOBSON, SC
    KOUTNY, LB
    HERGENRODER, R
    MOORE, AW
    RAMSEY, JM
    [J]. ANALYTICAL CHEMISTRY, 1994, 66 (20) : 3472 - 3476
  • [7] USE OF AN ON-COLUMN FRACTURE IN CAPILLARY ZONE ELECTROPHORESIS FOR SAMPLE INTRODUCTION
    LINHARES, MC
    KISSINGER, PT
    [J]. ANALYTICAL CHEMISTRY, 1991, 63 (18) : 2076 - 2078
  • [8] ROSE DJ, 1988, J CHROMATOGR, V447, P117
  • [9] ACRIDINIUM CHEMILUMINESCENCE DETECTION WITH CAPILLARY ELECTROPHORESIS
    RUBERTO, MA
    GRAYESKI, ML
    [J]. ANALYTICAL CHEMISTRY, 1992, 64 (22) : 2758 - 2762
  • [10] SEPANIAK MJ, 1992, HDB CAPILLARY ELECTR, pCH6