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  • The cytokinins are N6-substituted derivatives of purine base adenine, characterized by their ability to stimulate cell division in plant tissue culture and to regulate many developmental processes of plants. Their concentration in plant tissue is very low and for the study of their endogenous level it is essential to have sensitive methods for assessing their presence in plant extract (tissue). In our Department we used the combined instrumen-tal/immunoanalytical assay (HPLC/ELISA) for separationand quantification of 10 endogenous cytokinins (trans-zeatin, dihydrozeatin, isopentanyladenine, benzyladenine, meta-topolin and their ribosides). The main steps of purification of cytokinin extracts from plant tissue are cation exchange chromatography on P-cellulose and DEAE-cellulose with C18 Sep-Pak cartridge (reversed-phase chromatography). (en)
  • Cytokiny jsou N6-substituované deriváty adeninu, které stimulují buněčné dělení v in vitro kulturách a regulují mnoho vývojových procesů rostlin. Jejich koncentrace v rostlinných pletivech jsou velmi nízké a pro studium jejich endogenních hladin jsou nezbytné citlivé metody detekující jejich přítomnost. Na našem ústavu používáme kombinované instrumen-tální/imunoanalytické stanovení (HPLC/ELISA) pro oddělení a kvantifikaci 10-ti endo-genních cytokininů (trans-zeatin, dihydrozeatin, isopentanyladenin, benzyladenin, meta-topolin a jejich ribosidy). Hlavními kroky čištění extrtaktu cytokininů je iontoměničová chromatografie na P-celulóze a chromatografie na reverzní fázi za využití DEAE-celulózy s C18 Sep-Pak kolonou.
Title
  • Extraction, purification, HPLC separation, and ELISA quantification of cytokinins (en)
  • Extrakce, purifikace, HPLC separace, a ELISA kvantifikace cytokininů
  • Extrakce, purifikace, HPLC separace, a ELISA kvantifikace cytokininů (cs)
skos:prefLabel
  • Extraction, purification, HPLC separation, and ELISA quantification of cytokinins (en)
  • Extrakce, purifikace, HPLC separace, a ELISA kvantifikace cytokininů
  • Extrakce, purifikace, HPLC separace, a ELISA kvantifikace cytokininů (cs)
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  • RIV/62156489:_____/03:21100005!RIV/2004/MSM/430004/N
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  • 606968
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  • RIV/62156489:_____/03:21100005
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  • cytokinins; HPLC; ELISA; extraction; purification (en)
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  • [61EC93955902]
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  • Procházka, Stanislav
  • Klemš, Marek
  • Prokešová, Zdeňka
http://linked.open...n/vavai/riv/zamer
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