About: Application of 2,2-Dipyridyldisulphide for Specific Determination of Glutathione during Micellar Electrokinetic Chromatography

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About: Application of 2,2-Dipyridyldisulphide for Specific Determination of Glutathione during Micellar Electrokinetic Chromatography Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The on-column reaction of glutathione with the reactive disulphide 2,2-dipyridyldisulphide was used for the specific detection of glutathione during micellar electrokinetic chromatography: In this set-up the front end of the capillary is used as the reaction chamber. 2,2-dipyridyldisulphide and a sample of glutathione are injected consecutively in the capillary as two discrete plugs separated with short plug of background electrolyte. Due to the differences in the mobilities of the 2,2-dipyridyldisulphide and glutathione on column mixing and reaction occur. This reaction is rapid and quantitative, because thiol form is stabilised by thiol-thione tautomerism. This fact also causes a large shift of the absorption maxima toward longer wavelength. Glutathione is thus quantitatively transformed into a mixed disulphide concomitantly with formation of equimolar amounts of the 2-thiopyridone that is further separated by micellar electrokinetic chromatography and determined spectrophotometrically at 343 nm. The on-column reaction of glutathione with the reactive disulphide 2,2-dipyridyldisulphide was used for the specific detection of glutathione during micellar electrokinetic chromatography: In this set-up the front end of the capillary is used as the reaction chamber. 2,2-dipyridyldisulphide and a sample of glutathione are injected consecutively in the capillary as two discrete plugs separated with short plug of background electrolyte. Due to the differences in the mobilities of the 2,2-dipyridyldisulphide and glutathione on column mixing and reaction occur. This reaction is rapid and quantitative, because thiol form is stabilised by thiol-thione tautomerism. This fact also causes a large shift of the absorption maxima toward longer wavelength. Glutathione is thus quantitatively transformed into a mixed disulphide concomitantly with formation of equimolar amounts of the 2-thiopyridone that is further separated by micellar electrokinetic chromatography and determined spectrophotometrically at 343 nm. (en)
Title	Application of 2,2-Dipyridyldisulphide for Specific Determination of Glutathione during Micellar Electrokinetic Chromatography Application of 2,2-Dipyridyldisulphide for Specific Determination of Glutathione during Micellar Electrokinetic Chromatography (en)
skos:prefLabel	Application of 2,2-Dipyridyldisulphide for Specific Determination of Glutathione during Micellar Electrokinetic Chromatography Application of 2,2-Dipyridyldisulphide for Specific Determination of Glutathione during Micellar Electrokinetic Chromatography (en)
skos:notation	RIV/00216224:14310/99:00003221!RIV/2002/GA0/143102/N
http://linked.open.../vavai/riv/strany	25
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA525/97/0340)
http://linked.open...vai/riv/dodaniDat	2002
http://linked.open...aciTvurceVysledku	Mašlaňová, Hana Glatz, Zdeněk
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	735271
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/99:00003221
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Glutathione, MEKC, 2,2-dipyridyldisulphide (en)
http://linked.open.../riv/klicoveSlovo	2 MEKC Glutathione 2-dipyridyldisulphide
http://linked.open...ontrolniKodProRIV	[DD9121BA5532]
http://linked.open...v/mistoKonaniAkce	Bratislava
http://linked.open...i/riv/mistoVydani	Bratislava
http://linked.open...i/riv/nazevZdroje	Proceeding of 13th International Conference
http://linked.open...in/vavai/riv/obor	CE
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Activity of Thiobacillus ferrooxidans in relation to ecotoxicology of sulfide wastes
http://linked.open...UplatneniVysledku	1999
http://linked.open...iv/tvurceVysledku	Glatz, Zdeněk Mašlaňová, Hana
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	1999-01-01 (xsd:date)
issn	1335-5236
number of pages	2 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Slovenská chemická spoločnosť pri SAV
http://localhost/t...ganizacniJednotka	14310

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