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Dual-focus FCS in colloidal research
Chovancová, Romana ; Kapusta, Peter (oponent) ; Mravec, Filip (vedoucí práce)
This thesis deals with study of fluorescently labelled sodium rhodaminylamino hyaluronate (Hya-Rh, 40 kDa) by dual-focus fluorescence correlation spectroscopy (2f-FCS). At first, the overview of research was focused on use of the technique of FCS in colloidal chemistry and polymers, and then the utilisation overview of 2f-FCS method was summarised. At second, the most suitable model of preparation and storage of Hya-Rh solution for experiments was found on the basis of previous measurements. At third, the possibility of determining the diffusion characteristics of fluorescently labelled hyaluronan was verified as well as the influence of physiological environment and concentration of Hya-Rh on these characteristics. Subsequently, the influence of alkali metal ions on these characteristics was determined by measuring of diffusion coefficient values of Hya-Rh in presence of various concentrations of the alkali metal ions. Afterwards, the behaviour of Hya-Rh polymer molecules was studied in dependence on increasing concentration of very low molecular weight hyaluronan (VLMW HA, 404 kDa) in aqueous and physiological solutions. Finally, the evaluation and validation of use of 2f-FCS method for studying of fluorescently labelled hyaluronan solutions was described.
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Dual-focus FCS in colloidal research
Chovancová, Romana ; Kapusta, Peter (oponent) ; Mravec, Filip (vedoucí práce)
This thesis deals with study of fluorescently labelled sodium rhodaminylamino hyaluronate (Hya-Rh, 40 kDa) by dual-focus fluorescence correlation spectroscopy (2f-FCS). At first, the overview of research was focused on use of the technique of FCS in colloidal chemistry and polymers, and then the utilisation overview of 2f-FCS method was summarised. At second, the most suitable model of preparation and storage of Hya-Rh solution for experiments was found on the basis of previous measurements. At third, the possibility of determining the diffusion characteristics of fluorescently labelled hyaluronan was verified as well as the influence of physiological environment and concentration of Hya-Rh on these characteristics. Subsequently, the influence of alkali metal ions on these characteristics was determined by measuring of diffusion coefficient values of Hya-Rh in presence of various concentrations of the alkali metal ions. Afterwards, the behaviour of Hya-Rh polymer molecules was studied in dependence on increasing concentration of very low molecular weight hyaluronan (VLMW HA, 404 kDa) in aqueous and physiological solutions. Finally, the evaluation and validation of use of 2f-FCS method for studying of fluorescently labelled hyaluronan solutions was described.
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