National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Preparation and Characterization of Mechanical Properties of Artificial Synovial Liquids
Hrochová, Eliška ; Sedláček, Petr (referee) ; Kalina, Michal (advisor)
This bachelor thesis deals with the optimization of preparation of artificial synovial liquids. The main subjects of study are the mechanical properties of real and artificial synovial fluid samples. DLS microrheology, thermogravimetric analysis (TGA) and infrared spectroscopy (FTIR) were used for characterization. The theoretical part of this thesis is represented by a literature research of a methods of preparation of artificial synovia and summary of definitions of rheological terms. The experimental part focuses on the preparation and characterization of the artificial synovial liquids originating from the published patent US 8716204. In the framework of the bachelor thesis, this preparation was optimized in several partial steps (method of dispersion of components, choice of molecular weight of hyaluronic acid, nature and ionic strength of used dispersion medium). The prepared optimized sample of synovial fluid was in following experimental characterization steps compared in terms of material characteristics and mechanical properties with the real horse synovial fluid sample. By modifying the process based on the aforementioned patent, an artificial synovial fluid could be formed. That meets the viscoelastic nature of the real matrix and that is stable over time.
Preparation and Characterization of Mechanical Properties of Artificial Synovial Liquids
Hrochová, Eliška ; Sedláček, Petr (referee) ; Kalina, Michal (advisor)
This bachelor thesis deals with the optimization of preparation of artificial synovial liquids. The main subjects of study are the mechanical properties of real and artificial synovial fluid samples. DLS microrheology, thermogravimetric analysis (TGA) and infrared spectroscopy (FTIR) were used for characterization. The theoretical part of this thesis is represented by a literature research of a methods of preparation of artificial synovia and summary of definitions of rheological terms. The experimental part focuses on the preparation and characterization of the artificial synovial liquids originating from the published patent US 8716204. In the framework of the bachelor thesis, this preparation was optimized in several partial steps (method of dispersion of components, choice of molecular weight of hyaluronic acid, nature and ionic strength of used dispersion medium). The prepared optimized sample of synovial fluid was in following experimental characterization steps compared in terms of material characteristics and mechanical properties with the real horse synovial fluid sample. By modifying the process based on the aforementioned patent, an artificial synovial fluid could be formed. That meets the viscoelastic nature of the real matrix and that is stable over time.

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