Final published version
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
}
TY - JOUR
T1 - Bidirectional isotachophoresis on a planar chip with integrated conductivity detection
AU - Prest, J. E.
AU - Baldock, S. J.
AU - Fielden, P. R.
AU - Goddard, N. J.
AU - Brown, B. J. T.
PY - 2002/10/9
Y1 - 2002/10/9
N2 - The use of a miniaturised planar separation device with integrated conductivity detection for performing bidirectional isotachophoresis (ITP) is described. The chips were produced in poly(methyl methacrylate) (PMMA) using a milling procedure. To enable bidirectional ITP the devices were designed to inject samples into the centre of the separation channel and incorporated two integrated on-column conductivity detectors, positioned at opposite ends of this channel. When used with a hydrodynamic sample transport system the devices were used for the analysis of a range of small ions: NH4+; Na+; Mg2+; Ca2+; Li+; NO3−; ClO4−; SO42−; F−. Results sucessfully achieved included the simultaneous separation of three anions and three cations.
AB - The use of a miniaturised planar separation device with integrated conductivity detection for performing bidirectional isotachophoresis (ITP) is described. The chips were produced in poly(methyl methacrylate) (PMMA) using a milling procedure. To enable bidirectional ITP the devices were designed to inject samples into the centre of the separation channel and incorporated two integrated on-column conductivity detectors, positioned at opposite ends of this channel. When used with a hydrodynamic sample transport system the devices were used for the analysis of a range of small ions: NH4+; Na+; Mg2+; Ca2+; Li+; NO3−; ClO4−; SO42−; F−. Results sucessfully achieved included the simultaneous separation of three anions and three cations.
U2 - 10.1039/b207462a
DO - 10.1039/b207462a
M3 - Journal article
VL - 127
SP - 1413
EP - 1419
JO - Analyst
JF - Analyst
SN - 0003-2654
IS - 11
ER -