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Description
| - The performance of the contactless conductivity (C4D) and diode array photometric (DAD) detectors has been compared for CE separations of creatinine, arginine and 3-methylhistidine in acetic acid background electrolytes. The contactless conductivity detector response has also been modeled. It has been found that the two detectors provide similar responses and can readily be used for dual CE detection. Changes in the acetic acid concentration affect the C4D noise less than the DAD noise, but their effect on the C4D response to the analytes is greater than with DAD. In general, C4D provides better detection results at higher acetic acid concentrations, while DAD is more sensitive and reliable at very low ones. Capillaries with greater internal diameters are preferable for both detectors, provided that the separation efficiency is not adversely affected. Acetic acid is a suitable background electrolyte for CE separations of small, basic organic molecules.
- The performance of the contactless conductivity (C4D) and diode array photometric (DAD) detectors has been compared for CE separations of creatinine, arginine and 3-methylhistidine in acetic acid background electrolytes. The contactless conductivity detector response has also been modeled. It has been found that the two detectors provide similar responses and can readily be used for dual CE detection. Changes in the acetic acid concentration affect the C4D noise less than the DAD noise, but their effect on the C4D response to the analytes is greater than with DAD. In general, C4D provides better detection results at higher acetic acid concentrations, while DAD is more sensitive and reliable at very low ones. Capillaries with greater internal diameters are preferable for both detectors, provided that the separation efficiency is not adversely affected. Acetic acid is a suitable background electrolyte for CE separations of small, basic organic molecules. (en)
- Vlastnosti bezkontaktního vodivostního detektoru (C4D) a detektoru s diodovým polem (DAD) byly porovnány při elektroforetické separaci kreatininu, argininu a 3-methylhistidinu v roztocích kyseliny octové. Odezva C4D byla také modelována. Koncentrace kyseliny octové má větší vliv na odezvu C4D než DAD. Obecně platí, že C4D je citlivější při vysokých koncentracích kyseliny octové, zatímco DAD je citlivější pouze při nízkých. Oba detektory poskytují vyšší odezvu v kombinaci s kapilárami o větším vnitřním průměru. Kyselina octová je vhodným elektrolytem pro elektroforetickou separaci malých bazických organických látek. (cs)
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Title
| - A Comparison of the Properties of Contactless Conductivity and Diode-Array Photometric Detectors in Analyses of Low-Molecular, Biologically Active Substances by Capillary Electrophoresis in Acetic Acid Solutions
- Porovnání vlastností bezkontaktního vodivostního detektoru a diod-array detektoru při stanovení nízkomolekulárních biologicky významných látek kapilární elektroforézou v roztocích kyseliny octové (cs)
- A Comparison of the Properties of Contactless Conductivity and Diode-Array Photometric Detectors in Analyses of Low-Molecular, Biologically Active Substances by Capillary Electrophoresis in Acetic Acid Solutions (en)
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skos:prefLabel
| - A Comparison of the Properties of Contactless Conductivity and Diode-Array Photometric Detectors in Analyses of Low-Molecular, Biologically Active Substances by Capillary Electrophoresis in Acetic Acid Solutions
- Porovnání vlastností bezkontaktního vodivostního detektoru a diod-array detektoru při stanovení nízkomolekulárních biologicky významných látek kapilární elektroforézou v roztocích kyseliny octové (cs)
- A Comparison of the Properties of Contactless Conductivity and Diode-Array Photometric Detectors in Analyses of Low-Molecular, Biologically Active Substances by Capillary Electrophoresis in Acetic Acid Solutions (en)
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skos:notation
| - RIV/00216208:11120/08:00000556!RIV09-GA0-11120___
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(GA203/07/0896), Z(MSM0021620814)
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/00216208:11120/08:00000556
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - Amino acids; Contactless conductivity detection; Diode array detector. (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - DE - Spolková republika Německo
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Opekar, František
- Samcová, Eva
- Tůma, Petr
- Štulík, Karel
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http://linked.open...ain/vavai/riv/wos
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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http://localhost/t...ganizacniJednotka
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