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  • A new method for the determination of pyrroloquinoline quinone by capillary zone electrophoresis has been developed. Separation conditions have been optimised with the respect to different parameters including pH and ionic strength of the background electrolyte, separation voltage and temperature of the capillary. A buffer consisting of 50 mM b-alanine - HCl pH 3.0 was found to be the most suitable electrolyte for this separation. An applied voltage of 25 kV (negative polarity) and a temperature of 25 oC gave the best analysis of pyrroloquinoline quinone. The linear detection range for concentration versus peak area for the assay is from 5 to 500 mM (correlation coefficient 0.9998) with a detection limit of 0.1- 0.2 mM. The inter-day reproducibility of the peak area was 2.5 % and the inter-day reproducibility of the migration time was below 0.18 %.
  • A new method for the determination of pyrroloquinoline quinone by capillary zone electrophoresis has been developed. Separation conditions have been optimised with the respect to different parameters including pH and ionic strength of the background electrolyte, separation voltage and temperature of the capillary. A buffer consisting of 50 mM b-alanine - HCl pH 3.0 was found to be the most suitable electrolyte for this separation. An applied voltage of 25 kV (negative polarity) and a temperature of 25 oC gave the best analysis of pyrroloquinoline quinone. The linear detection range for concentration versus peak area for the assay is from 5 to 500 mM (correlation coefficient 0.9998) with a detection limit of 0.1- 0.2 mM. The inter-day reproducibility of the peak area was 2.5 % and the inter-day reproducibility of the migration time was below 0.18 %. (en)
Title
  • Determination of PQQ by Capillary Zone Electrophoresis
  • Determination of PQQ by Capillary Zone Electrophoresis (en)
skos:prefLabel
  • Determination of PQQ by Capillary Zone Electrophoresis
  • Determination of PQQ by Capillary Zone Electrophoresis (en)
skos:notation
  • RIV/00216224:14310/99:00003209!RIV/2002/GA0/143102/N
http://linked.open.../vavai/riv/strany
  • 43
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA525/97/0340)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
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  • 738314
http://linked.open...ai/riv/idVysledku
  • RIV/00216224:14310/99:00003209
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • PQQ, Quinoproteins, Capillary Zone Electrophoresis (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [D62F495B10C5]
http://linked.open...v/mistoKonaniAkce
  • Amsterdam, Netherlands
http://linked.open...i/riv/mistoVydani
  • Amsterdam, Netherlands
http://linked.open...i/riv/nazevZdroje
  • Book of Abstract, 1st International Symposium on Separations in Biosciencies, Amsterdam, Netherlands
http://linked.open...in/vavai/riv/obor
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Glatz, Zdeněk
  • Janiczek, Oldřich
  • Moravcová, Martina
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • Elsevier
http://localhost/t...ganizacniJednotka
  • 14310
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