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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Fluorescence correlation spectroscopy in hydrophilic colloids
 Rýcová, Eva ; Mondek, Jakub (referee) ; Venerová, Tereza (advisor)
This work is focused on studying of hydrophilic colloids using fluorescence correlation spectroscopy (FCS). The gel systems were studied with several fluorescent probes, in 0,15 M sodium chloride (NaCl) consist of hyaluronan and surfactant cetyltrimethylammonium bromide (CTAB). Probe ATTO 655 was chosen for closer examination due to the suppression of triplet state. Every surrounding occuring in the gel systems was examine individually. Results showed that the measurement of gel systems by this method can be realized under certain conditions, the repeatability of the results was loaded with a small standard deviation. Extension of diffusion times caused the presence of micelles, triplet state was caused by a characteristic environment of the hydrogel. The probe also showed free diffusion motion in all environments. This diffusion motion was represented by the shortest diffusion time.
Detailed record
Fluorescence correlation spectroscopy in hydrophilic colloids
 Rýcová, Eva ; Mondek, Jakub (referee) ; Venerová, Tereza (advisor)
This work is focused on studying of hydrophilic colloids using fluorescence correlation spectroscopy (FCS). The gel systems were studied with several fluorescent probes, in 0,15 M sodium chloride (NaCl) consist of hyaluronan and surfactant cetyltrimethylammonium bromide (CTAB). Probe ATTO 655 was chosen for closer examination due to the suppression of triplet state. Every surrounding occuring in the gel systems was examine individually. Results showed that the measurement of gel systems by this method can be realized under certain conditions, the repeatability of the results was loaded with a small standard deviation. Extension of diffusion times caused the presence of micelles, triplet state was caused by a characteristic environment of the hydrogel. The probe also showed free diffusion motion in all environments. This diffusion motion was represented by the shortest diffusion time.
Detailed record

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