About: Trace elements species fractionation in rye flour and rye (Secale cereale) seedlings

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Fractionation of species of Cd, Cu, Mo, Ni and Zn in extracts of rye seedlings (grown up in both normal and Cd2+-enriched medium) and rye flour were performed by SEC/ICPMS method. Majority of Cu, Zn and Ni in all samples is bound in a 1-2 kDa fraction. Mo in all samples occurs in a fraction of Mr of 3 kDa. During five days of cultivation in a solution of 30 mol l-1 Cd2+ the plants accumulated as much as 5 mg kg-1 of Cd, but its soluble portion represents only 12-15%. Prevailing portion of Cd complexes is involved in a fraction of 3 kDa, while the minor part occurs in a fraction of 20 kDa. The speciation of elevated Cd in plants differs from that of other metals present at a physiological level. The metal-rich fractions of extracts of all samples (i.e. those of Mr of 1-2 kDa) were refined by immobilised metal affinity chromatography. Isolated ligands of trace elements are peptides rich in dicarboxylic amino-acids. Fractionation of species of Cd, Cu, Mo, Ni and Zn in extracts of rye seedlings (grown up in both normal and Cd2+-enriched medium) and rye flour were performed by SEC/ICPMS method. Majority of Cu, Zn and Ni in all samples is bound in a 1-2 kDa fraction. Mo in all samples occurs in a fraction of Mr of 3 kDa. During five days of cultivation in a solution of 30 mol l-1 Cd2+ the plants accumulated as much as 5 mg kg-1 of Cd, but its soluble portion represents only 12-15%. Prevailing portion of Cd complexes is involved in a fraction of 3 kDa, while the minor part occurs in a fraction of 20 kDa. The speciation of elevated Cd in plants differs from that of other metals present at a physiological level. The metal-rich fractions of extracts of all samples (i.e. those of Mr of 1-2 kDa) were refined by immobilised metal affinity chromatography. Isolated ligands of trace elements are peptides rich in dicarboxylic amino-acids. (en)
Title	Trace elements species fractionation in rye flour and rye (Secale cereale) seedlings Trace elements species fractionation in rye flour and rye (Secale cereale) seedlings (en)
skos:prefLabel	Trace elements species fractionation in rye flour and rye (Secale cereale) seedlings Trace elements species fractionation in rye flour and rye (Secale cereale) seedlings (en)
skos:notation	RIV/60461373:22340/09:00021878!RIV10-MSM-22340___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6046137305), Z(MSM6046137307)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Komínková, Jana Šantrůček, Jiří Mestek, Oto Kodíček, Milan Koplík, Richard
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemicko-inženýrská
http://linked.open...dnocenehoVysledku	346612
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/09:00021878
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	rye; speciation; trace elements; MALDI-MS; ICP-MS; IMAC (en)
http://linked.open.../riv/klicoveSlovo	rye MALDI-MS ICP-MS trace elements speciation IMAC
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[DA44F51589FB]
http://linked.open...i/riv/nazevZdroje	Czech Journal of Food Science
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	27
http://linked.open...iv/tvurceVysledku	Kodíček, Milan Koplík, Richard Mestek, Oto Polák, Jan Šantrůček, Jiří Komínková, Jana
http://linked.open...ain/vavai/riv/wos	000264402600005
http://linked.open...n/vavai/riv/zamer	Teoretické základy potravinářských a biochemických technologií Physico-chemical methods of analysis and characterization of chemical systems and biosystems
issn	1212-1800
number of pages	11 (xsd:int)
http://localhost/t...ganizacniJednotka	22340

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