isotachophoresis


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isotachophoresis

[¦ī·sə‚tak·ə·fə′rē·səs]
(physical chemistry)
A variant of electrophoresis in which ionic species move with equal velocity in the presence of an electric field.
References in periodicals archive ?
Capillary electrophoresis is again segmented into micellar electrokinetic capillary chromatography, capillary isoelectric focusing, capillary isotachophoresis and others.
These methods includes liquid chromatographic method with both capillary isotachophoresis and UV isotachophoresis, non-aqueous titrimetric methods [3], fluorescence spectrophotometry [4], gas chromatography [5], high performance liquid chromatography [6], atomic absorption spectroscopy [7], reverse-phase high performance liquid chromatography [8] and so on.
Recently, capillary electrophoresis (CE) has received considerable attention in the development of online preconcentration systems such as transient isotachophoresis (tITP) [17], dynamic pH junction [18], sweeping [19,20], and field-amplified stacking.
Isotachophoresis (ITP), a form of electrophoresis to separate charged analytes based on ionic mobility under external electric fields, was incorporated into sensing process to pre-concentrate analytes (nucleic acid and proteins) for improving the sensor sensitivity by 1000 fold [63,64].
The former could be analyzed in human serum using a lectin-sorbent assay [76] and the latter by methods sensitive to the electric charge of the particles, such as ion-exchange chromatography [77] and capillary isotachophoresis [78].
Other physical separation tests, such as capillary isotachophoresis and high-performance liquid chromatography (4) have also been used to charge- or size-fractionate HDL.
The isotachophoresis was chosen here as the efficient technique for the separation of highly stable NPs.
Sensitive and selective methods are based on LCMS/MS (3-5,7,8,13), HPLC (2,9-10,12,14), GC-MS 11 and capillary isotachophoresis (6).
Vacik, "High-frequency contactless detection in isotachophoresis", J.
It is expected particularly instrumental characteristics for working in MS / MS mode, associated with low uncertainty of elemental and isotopic measurements, as well as easy to liquid chromatography of coupling devices, particularly capillary format of isotachophoresis and miniaturized devices associated.
Acevedo, "Simple quantification of complement factors C3 and C3b using separation by isotachophoresis," Electrophoresis, vol.
Santiago pioneered the use of isotachophoresis to extract and analyze DNA and RNA from complex samples including blood, urine, and cell cultures.