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Statements

Subject Item
n2:RIV%2F00216275%3A25310%2F14%3A39897965%21RIV15-MSM-25310___
rdf:type
skos:Concept n8:Vysledek
dcterms:description
Various crosslinking monomers were used for the preparation of capillary monolithic columns suitable for the hydrophilic interaction chromatography. It was synthesized seven different monolithic column using N,N-dimethyl-N-methacryloxyethyl-N- (3-sulfopropyl)ammonium betaine as a zwitterionic functional monomer and various crosslinking monomers. It was applied crosslinking monomers with different lengths of alkyl chain between two methacrylate units (ethylene-, tetramethylene-, and hexamethylene dimethacrylate), a crosslinking monomer with oxyethylene chain (dioxyethylene dimethacrylate), a crosslinking monomer with three acrylate units (pentaerythritole triacrylate), and crosslinking monomers with aromatic units in their structure (bisphenol A- and bisphenol A glycerolate dimethacrylate). 1-propanol, 1,4-butanediol, and water were used as porogenic solvents and azobisizobutyronitrile was used as thermal initiator of polymerization reaction. To investigate the effects of crosslinking monomers on the pore size distribution, it was measured the size-exclusion curve of polystyrene standards and toluene in 100% tetrahydrofurane as a mobile phase. It was also determined the effect of the applied crosslinking monomers on the efficiency of prepared columns using van Deemter plots. Various crosslinking monomers were used for the preparation of capillary monolithic columns suitable for the hydrophilic interaction chromatography. It was synthesized seven different monolithic column using N,N-dimethyl-N-methacryloxyethyl-N- (3-sulfopropyl)ammonium betaine as a zwitterionic functional monomer and various crosslinking monomers. It was applied crosslinking monomers with different lengths of alkyl chain between two methacrylate units (ethylene-, tetramethylene-, and hexamethylene dimethacrylate), a crosslinking monomer with oxyethylene chain (dioxyethylene dimethacrylate), a crosslinking monomer with three acrylate units (pentaerythritole triacrylate), and crosslinking monomers with aromatic units in their structure (bisphenol A- and bisphenol A glycerolate dimethacrylate). 1-propanol, 1,4-butanediol, and water were used as porogenic solvents and azobisizobutyronitrile was used as thermal initiator of polymerization reaction. To investigate the effects of crosslinking monomers on the pore size distribution, it was measured the size-exclusion curve of polystyrene standards and toluene in 100% tetrahydrofurane as a mobile phase. It was also determined the effect of the applied crosslinking monomers on the efficiency of prepared columns using van Deemter plots.
dcterms:title
Characterization of polymethacrylate-based monolithic stationary phases Characterization of polymethacrylate-based monolithic stationary phases
skos:prefLabel
Characterization of polymethacrylate-based monolithic stationary phases Characterization of polymethacrylate-based monolithic stationary phases
skos:notation
RIV/00216275:25310/14:39897965!RIV15-MSM-25310___
n3:aktivita
n17:S n17:P
n3:aktivity
P(GAP206/12/0398), S
n3:dodaniDat
n14:2015
n3:domaciTvurceVysledku
n13:4487877 n13:9884947 n13:1878840
n3:druhVysledku
n5:D
n3:duvernostUdaju
n12:S
n3:entitaPredkladatele
n7:predkladatel
n3:idSjednocenehoVysledku
6966
n3:idVysledku
RIV/00216275:25310/14:39897965
n3:jazykVysledku
n19:eng
n3:klicovaSlova
Monolith, Polymethacrylate
n3:klicoveSlovo
n9:Monolith n9:Polymethacrylate
n3:kontrolniKodProRIV
[044B139E72E6]
n3:mistoKonaniAkce
Praha
n3:mistoVydani
Praha
n3:nazevZdroje
Proceedings of the 10th International Students Conference Modern Analytical Chemistry
n3:obor
n21:CB
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n16:GAP206%2F12%2F0398
n3:rokUplatneniVysledku
n14:2014
n3:tvurceVysledku
Staňková, Magda Hájek, Tomáš Jandera, Pavel
n3:typAkce
n15:EUR
n3:zahajeniAkce
2014-09-22+02:00
s:numberOfPages
3
n4:hasPublisher
Univerzita Karlova. Přírodovědecká fakulta
n18:isbn
978-80-7444-030-4
n10:organizacniJednotka
25310