About: Generalized polymer effective charge measurement by capillary isotachophoresis

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In this work, we have generalized the use of capillary isotachophoresis as a universal method for determination of effective charge of anionic and cationic (co)polymers on ordinary capillary electrophoresis instruments. This method is applicable to a broad range of strong or weak polyelectrolytes with good repeatability. Experimental parameters (components and concentrations of leading and terminating electrolytes, capillary diameters, constant electric current intensity) were optimized for implementation in 100 mu m i.d. capillaries for both polyanions and polycations. Determined values of polymer effective charge were in a very good agreement with those obtained by capillary electrophoresis with indirect UV detection. Uncertainty of the effective charge measurement using isotachophoresis was addressed and estimated to be similar to 5-10% for solutes with mobilities in the 20-50 x 10(-9) m(2) V-1 s(-1) range. In this work, we have generalized the use of capillary isotachophoresis as a universal method for determination of effective charge of anionic and cationic (co)polymers on ordinary capillary electrophoresis instruments. This method is applicable to a broad range of strong or weak polyelectrolytes with good repeatability. Experimental parameters (components and concentrations of leading and terminating electrolytes, capillary diameters, constant electric current intensity) were optimized for implementation in 100 mu m i.d. capillaries for both polyanions and polycations. Determined values of polymer effective charge were in a very good agreement with those obtained by capillary electrophoresis with indirect UV detection. Uncertainty of the effective charge measurement using isotachophoresis was addressed and estimated to be similar to 5-10% for solutes with mobilities in the 20-50 x 10(-9) m(2) V-1 s(-1) range. (en)
Title	Generalized polymer effective charge measurement by capillary isotachophoresis Generalized polymer effective charge measurement by capillary isotachophoresis (en)
skos:prefLabel	Generalized polymer effective charge measurement by capillary isotachophoresis Generalized polymer effective charge measurement by capillary isotachophoresis (en)
skos:notation	RIV/61388963:_____/14:00435675!RIV15-GA0-61388963
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(7AMB12FR012), P(GA13-17224S)
http://linked.open...iv/cisloPeriodika	Nov 28
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Koval, Dušan Kašička, Václav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav organické chemie a biochemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	18042
http://linked.open...ai/riv/idVysledku	RIV/61388963:_____/14:00435675
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	polymer effective charge; polyelectrolyte; isotachophoresis; counter-ion condensation; capillary electrophoresis (en)
http://linked.open.../riv/klicoveSlovo	counter-ion condensation polymer effective charge polyelectrolyte capillary electrophoresis isotachophoresis
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[A81952A3E3BD]
http://linked.open...i/riv/nazevZdroje	Journal of Chromatography A
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	New methods for determination of effective charge of polyelectrolytes based on electromigration techniques Dvoudimenzionální kapilární elektromigrační metody pro separaci, analýzu a charakterizaci biomolekul
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	1370
http://linked.open...iv/tvurceVysledku	Cottet, H. Kašička, Václav Koval, Dušan Besson, A. Chamieh, J.
http://linked.open...ain/vavai/riv/wos	000345724800029
issn	0021-9673
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.chroma.2014.10.025

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