Hlavní stránka > Výsledky hledání: keywords:"wound healing management."
Hledej:
Tipy pro vyhledávaní :: Rozšířené hledání
Hledej ve sbírkách:
Seřadit podle: Zobrazit výsledky: Výstupní formát:
Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.00 vteřin. 
Sprayable elastic biopolymer hydrogels for wound healing
 Waclawiková, Petra ; Nedomová, Eva (oponent) ; Vojtová, Lucy (vedoucí práce)
The main aim of the presented bachelor thesis is focused on the preparation and characterization of sprayable hydrogels from suitable non-toxic substances, in order to develop gels applicable in wound healing management. The theoretical part deals with general properties of hydrogels, methods of their crosslinking and presents selected natural and synthetic materials used for the preparation of hydrogels. It also contains a brief overview of already prepared sprayable hydrogels, which are not yet commercially used. The experimental part describes the selection and use of readily available non-toxic biomaterials and the measurement of the physico-chemical properties of the prepared gels. Gum Karaya, poly(vinyl alcohol) and sodium alginate were selected as the structural polymers together with different physical crosslinkers and additives. The polymers and additives were subjected to solubility test followed by mixing in certain ratios and crosslinked to form preferably transparent hydrogels. Subsequently their optical and rheological properties were valuated. The measurement of optical properties shows that probably gum Karaya affected increasing in both yellowness as well as transparency. By rheological measuring it was demonstrated, that the higher content of gum Karaya reduces the mechanical resistance of the prepared hydrogels. Hydrogel strength reflects both low and high amount of crosslinker where the optimal amount gave the best result. Therefore, the correct ratio of the used substances is the main parameter for obtaining the most effective hydrogel properties suitable for sprayable hydrogel dressings.
Úplný záznam
Sprayable elastic biopolymer hydrogels for wound healing
 Waclawiková, Petra ; Nedomová, Eva (oponent) ; Vojtová, Lucy (vedoucí práce)
The main aim of the presented bachelor thesis is focused on the preparation and characterization of sprayable hydrogels from suitable non-toxic substances, in order to develop gels applicable in wound healing management. The theoretical part deals with general properties of hydrogels, methods of their crosslinking and presents selected natural and synthetic materials used for the preparation of hydrogels. It also contains a brief overview of already prepared sprayable hydrogels, which are not yet commercially used. The experimental part describes the selection and use of readily available non-toxic biomaterials and the measurement of the physico-chemical properties of the prepared gels. Gum Karaya, poly(vinyl alcohol) and sodium alginate were selected as the structural polymers together with different physical crosslinkers and additives. The polymers and additives were subjected to solubility test followed by mixing in certain ratios and crosslinked to form preferably transparent hydrogels. Subsequently their optical and rheological properties were valuated. The measurement of optical properties shows that probably gum Karaya affected increasing in both yellowness as well as transparency. By rheological measuring it was demonstrated, that the higher content of gum Karaya reduces the mechanical resistance of the prepared hydrogels. Hydrogel strength reflects both low and high amount of crosslinker where the optimal amount gave the best result. Therefore, the correct ratio of the used substances is the main parameter for obtaining the most effective hydrogel properties suitable for sprayable hydrogel dressings.
Úplný záznam

Chcete být upozorněni, pokud se objeví nové záznamy odpovídající tomuto dotazu?
Přihlásit se k odběru RSS.
Digitální repozitář :: Hledej :: Nový záznam :: Personalizace :: Nápověda
Powered by Invenio v1.1.2
Spravuje admin.invenio@techlib.cz
Tato stránka je dostupná také v následujících jazycích:
Česky  English