This master's thesis deals with gelation of hydroxyethylcellulose and hyaluronan crosslinked with nontoxic crosslinking agent – citric acid. First of all, the optimalization of gelation process of hydroxyethylcellulose took place. After obtaining the product insolube in the ultrapure deionized water, a reaction mixture of hyaluronan and hydroxyethylcellulose in two different weight ratios were prepared. There was prepared solution containing only hyaluronan as the polymeric part too. Citric acid was used in concentrations of 5 %, 10 % and 20 % (w/w of polymer). These solutions of polymers and citric acid were gelated under the same conditions and the products were compared to each other using Differential Scanning Calorimetry, Thermogravimetry and Fourier Transform Infrared Spectroscopy. The products containing hydroxyethylcellulose and hyaluronan with hydroxyethylcellulose in weight ratio equal to 3 : 7 were considered crosslinked.
| Identifer | oai:union.ndltd.org:nusl.cz/oai:invenio.nusl.cz:240735 |
| Date | January 2016 |
| Creators | Martinková, Martina |
| Contributors | Krouská, Jitka, Hurčíková, Andrea |
| Publisher | Vysoké učení technické v Brně. Fakulta chemická |
| Source Sets | Czech ETDs |
| Language | Czech |
| Detected Language | English |
| Type | info:eu-repo/semantics/masterThesis |
| Rights | info:eu-repo/semantics/restrictedAccess |
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