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Binding of organic dyes to proteins. Applications in practical course in biochemistry.
Hynková, Anna ; Hudeček, Jiří (advisor) ; Koblihová, Jitka (referee)
In this submitted thesis the possibility of creating a new laboratory task for advanced practical courses in biochemistry, concerning the binding of a low-molecular compound (dye) to a protein macromolecule, was experimentally verified. First intention was to modify the existing task "Dialysis kinetics" with a binding of fluorescein to a protein. However, the experiments have proved, that fluorescence measurements of this kind are not reproducible in the conditions of practical courses laboratory and absorbance measurements have low sensitivity. Therefor a whole new task was created: "Binding of bromophenol blue to serum albumin", in which the stoichiometry of this binding is studied using so-called Job plot. After the optimization of procedure a laboratory task instructions were created, which are attached to this thesis. Keywords: fluorescein, bromophenol blue, serum albumin
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Binding of organic dyes to proteins. Applications in practical course in biochemistry.
Hynková, Anna ; Hudeček, Jiří (advisor) ; Koblihová, Jitka (referee)
In this submitted thesis the possibility of creating a new laboratory task for advanced practical courses in biochemistry, concerning the binding of a low-molecular compound (dye) to a protein macromolecule, was experimentally verified. First intention was to modify the existing task "Dialysis kinetics" with a binding of fluorescein to a protein. However, the experiments have proved, that fluorescence measurements of this kind are not reproducible in the conditions of practical courses laboratory and absorbance measurements have low sensitivity. Therefor a whole new task was created: "Binding of bromophenol blue to serum albumin", in which the stoichiometry of this binding is studied using so-called Job plot. After the optimization of procedure a laboratory task instructions were created, which are attached to this thesis. Keywords: fluorescein, bromophenol blue, serum albumin
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Binding of low-molecular weight ligands to serum albumin
Buša, Michal ; Hudeček, Jiří (advisor) ; Vaněk, Ondřej (referee)
In this Thesis, we studied the possibilities of an enlargement of the existing practical task in the Advanced practical course in biochemistry I, dealing with interaction of a dye (bromophenol blue) with serum albumin. Experimental protocol was proposed and tested, allowing the inclusion of Scatchard plot (in addition to the previously used Job plot). As part of the Thesis, the new protocol for students is presented, which may help them to understand the most used approaches for studying the stoichiometry of protein-ligand complexes. In Czech.
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