National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Utilization of dynamic mechanical analysis as an add-on module of oscillatory rheometry for hydrogels
Kopecký, Jiří ; Venerová, Tereza (referee) ; Smilek, Jiří (advisor)
Bakalářská práce se zabývá optimalizací dynamické mechanické analýzy a jejím využitím pro charakterizaci hydrogelů s různým typem síťování. Při optimalizaci byly řešeny problémy se správnou přípravou vzorků pro co nejlepší možné výsledky, výběr nejvhodnější geometrie pro měření vybraných hydrogelů a následně byl sepsán podrobný návod pro používání reometru a nastavení softwaru Trios. Dále pak byly diskutovány výsledky z měření pomocí oscilační smykové reometrie a následné porovnání výsledků mezi dynamickou mechanickou analýzou a oscilační smykovou reometrií.
Mechanical Properties of Hydrogels - Comparison between DMA and AFM Measurements of Elastic Modulus
Hofrichterová, Tereza ; Valentová, Helena (advisor) ; Shukurov, Andrey (referee)
Polymer hydrogels consist of polymer network that is able to absorb large amount of water. They have plenty of real-life applications - for example in medicine and diagnostics. The aim of this thesis is to study elastic modulus of several hydrogel samples by two different methods - dynamical mechanical analysis (DMA) and atomic force microscopy (AFM). Dynamical mechanical analysis represents a traditional method, which is expected to supply very reliable data. On the other hand - there has not been done much research in the field of studying mechanical properties with atomic force microscopy yet. This thesis should result into comparison of these two methods and describing effects that influence the measurement.
Mechanical Properties of Hydrogels - Comparison between DMA and AFM Measurements of Elastic Modulus
Hofrichterová, Tereza ; Valentová, Helena (advisor) ; Shukurov, Andrey (referee)
Polymer hydrogels consist of polymer network that is able to absorb large amount of water. They have plenty of real-life applications - for example in medicine and diagnostics. The aim of this thesis is to study elastic modulus of several hydrogel samples by two different methods - dynamical mechanical analysis (DMA) and atomic force microscopy (AFM). Dynamical mechanical analysis represents a traditional method, which is expected to supply very reliable data. On the other hand - there has not been done much research in the field of studying mechanical properties with atomic force microscopy yet. This thesis should result into comparison of these two methods and describing effects that influence the measurement.

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