Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Roger Trones"'
Publikováno v:
Advances in Sample Preparation. 2:100011
Autor:
Solfrid Hegstad, Elisabeth Leere Øiestad, Stig Pedersen-Bjergaard, Roger Trones, Tonje Gottenberg Skaalvik
Publikováno v:
Journal of chromatography B
Skaalvik, T G, Øiestad, E L, Trones, R, Pedersen-Bjergaard, S & Hegstad, S 2021, ' Determination of psychoactive drugs in serum using conductive vial electromembrane extraction combined with UHPLC-MS/MS ', Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences, vol. 1183, 122926 . https://doi.org/10.1016/j.jchromb.2021.122926
Skaalvik, T G, Øiestad, E L, Trones, R, Pedersen-Bjergaard, S & Hegstad, S 2021, ' Determination of psychoactive drugs in serum using conductive vial electromembrane extraction combined with UHPLC-MS/MS ', Journal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences, vol. 1183, 122926 . https://doi.org/10.1016/j.jchromb.2021.122926
Conductive vial electromembrane extraction (EME) with prototype equipment was applied for the first time to extract lipophilic basic drugs from serum. With this equipment, traditional platinum electrodes were replaced with sample and acceptor vials m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b24ab62521dcabaf0e2940f2f9d539c
https://hdl.handle.net/11250/3043806
https://hdl.handle.net/11250/3043806
Publikováno v:
Journal of Chromatography A. 1025:217-226
In the present work, isoelectric point (pl) separation of proteins by pH-gradient ion-exchange chromatography (IEC) on packed capillary columns is demonstrated. The development of a miniaturized flow-through pH probe for reliable pH monitoring of the
Publikováno v:
Journal of Separation Science. 26:1133-1140
A highly complex sample of polyglycerol fatty acid esters has been characterized using both temperature gradient and solvent gradient reversed-phase packed capillary LC coupled to ELSD and ESI-TOF-MS. The techniques showed fairly similar performance
Autor:
Xiantao Shen, Astrid Gjelstad, Henrik Jensen, Lars Erik Eng Eibak, Stig Pedersen-Bjergaard, Roger Trones, Chuixiu Huang
Publikováno v:
Journal of chromatography. A. 1326
In this work, a single-well electromembrane extraction (EME) device was developed based on a thin (100μm) and flat porous membrane of polypropylene supporting a liquid membrane. The new EME device was operated with a relatively large acceptor soluti
Publikováno v:
Journal of Chromatography A. 902:421-426
Three different trademark products of a hindered amine stabilizer with the IUPAC name poly-(N-β-hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxypiperidyl succinate), have been analyzed and compared to each other by the use of packed capillary temperature
Autor:
Thomas E. Gundersen, Tyge Greibrokk, I. Bruheim, Roger Trones, Stein J. Thommesen, Elsa Lundanes, Paal Molander
Publikováno v:
Journal of High Resolution Chromatography. 22:490-494
Summary A non-aqueous isocratic reversed-phase packed capillary high performance liquid chromatography method for the determination of retinyl esters, utilizing temperature programming and on-column focusing large volume injection, has been developed
Publikováno v:
Journal of High Resolution Chromatography. 22:283-286
Publikováno v:
Journal of Chromatography A. 835:105-112
The applicability of inductively coupled plasma mass spectrometry (ICP-MS) as a detector for high-temperature liquid chromatography with packed capillary columns has been studied. A laboratory-made micro concentric nebulizer was utilized as a interfa
Publikováno v:
The Analyst. 124:1137-1141
The effect of using high isothermal temperatures and temperature programming above ambient in liquid chromatography has been investigated by the use of relatively long packed reversed phase capillary columns and non-aqueous mobile phases. Efficiency