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An automated comprehensive isotachophoresis−capillary zone electrophoresis ( ITP−CZE) system is described. The sample is focused in the first capillary by ITP . Instrumentation and fractionation of human serum proteins. An automated free- solution isotachophoresis system (FS-ITP) for preparative fractionation of. An automated free-solution isotachophoresis system (FS-ITP) for preparative fractionation of biopolymers is described, operated in a batch mode. The dimension.

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Retrieved from ” https: We present an inexpensive hand-held device g that implements microchip isotachophoresis ITP with laser induced fluorescence LIF detection. Please enable JavaScript to access the full features of the site or access our non-JavaScript page.

This may take some time to load. Please help improve this article by introducing citations to additional sources. We also demonstrate the use of our simulation tools for design and prediction of ITP assays, and validate these results with a onstrumentation of multiplexed indirect detection of unlabeled analytes performed using the device.

Single-electrolyte isotachophoresis using a nanochannel-induced depletion zone.

Authors contributing to RSC publications journal articles, books or book chapters do not need to formally request permission to reproduce material contained in this article provided that the correct acknowledgement is given with the reproduced material. In all cases the Ref.

Go to our Instructions for using Copyright Clearance Center page for details. This self-contained instrument integrates the isotachophoesis required for high voltage generation onto a microelectronic chip, includes LIF detection and is powered by a universal serial bus USB link connected to a laptop computer.


This page was last edited on 5 Novemberat If you are not the author of this article and you wish to reproduce material from it in a third party non-RSC publication you must formally request permission using Copyright Clearance Center.

Views Read Edit View history. Miniaturized isootachophoresis for isotachophoresis assays.

Articles lacking in-text citations from November All articles lacking in-text citations Articles needing additional references from November All articles needing additional references Articles with multiple maintenance issues. Back to tab navigation. The sample is introduced between a zone of fast leading electrolyte LE and a zone of slow terminating or: From this phenomenon ITP has obtained its name: Isotachophoresis ITP is a technique in analytical chemistry used for selective separation and concentration of ionic analytes.

A completed ITP separation is characterized by a dynamic equilibrium in instrumrntation all coionic zones migrate with equal velocities.

Usually, the Isotqchophoresis and the TE have a common counterionbut the coions having charges with the same sign as the analytes of interest are different: From Wikipedia, the free encyclopedia.

This article relies largely or entirely on a single source. If present in sufficient amounts, focusing analyte ions can displace all electrolyte coions, reaching a plateau concentration. For reproduction of material from PPS: In peak mode ITP, analyte peaks will strongly overlap, unless so-called spacer compounds are added with intermediate ionic mobilities between those of the analytes; such spacer compounds are able to segregate adjacent analyte zones.


If you are the author of this article you do not need to formally request permission to reproduce figures, diagrams etc. For reproduction of material from all other RSC journals and books: Jump isotachophlresis main content.

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Indeed, plateau mode ITP separations are readily recognized by stairlike profiles, each plateau of the stair representing an electrolyte or analyte zone isotachophoresiss from LE to TE increasing electric fields and decreasing conductivities.

Back to tab navigation Download options Please wait Search articles by author G. Please help to improve this article by introducing more precise citations. XX is the XXth reference in the list of references. It is a form of electrophoresis: Using a label-free isotachaphoresis assay implemented in the hand-held device we detect two explosives and an endocrine disruptor spiked in river waterwith no prior sample processing. Learn how and when to remove these template messages.