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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Spectroelectrochemistry of Flavonolignans and their DNA-binding Copper Complexes
 Sokolová, Romana ; Kubala, M. ; Vavříková, E. ; Ulrichová, J. ; Křen, Vladimír ; Vacek, J.
The oxidation of flavonolagnan silybin and its selected derivatives was studied on glassy carbon electrode in aqueous environment by means of cyclic voltammetry, in situ UV/VIS spectroelectrochemistry and absorption spectrometry. The oxidation mechanism of flavonolignans and their complexion with copper was investigated under anaerobic conditions. The acquired results were interpreted in context of protective (antioxidant) and DNA-binding (prooxidant) properties of flavonolignans and their transition metal complexes.
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Separation of alanine and cysteine by CE-MS coupled by sheathless and electrodeless interface
 Týčová, Anna ; Foret, František
This work is amined at optimization of electrophoretic separtion within a long nanoelectrospray tip with mass spectrometric detection. For initial trials simple mixture od alanine and cysteine was separated.
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