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Microfluidic models of cell membranes
Haluzová, Kateřina ; Dzik, Petr (referee) ; Pekař, Miloslav (advisor)
This work deals with artificial cellular membrane models, their various types, production and usage. It also summarises basic matherials for production of microfluidic chips. Experimental part is focused on optimalization of production of polydimethylsiloxane chip suitable for free-standing lipid bilayers. A preparation workflow was developed which includes casting on a silicon wafer, removing bubbles from the PDMS, curing it at 80 °C for 1 h, plasma bonding, annealing at 150 °C for 30 min and storage. Using fluorescence microscopy, the prepared chips were found to be strong and sealed.
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Microfludic chip development for phospholipid membrane modeling
Haluzová, Kateřina ; Pekař, Miloslav (referee) ; Venerová, Tereza (advisor)
The diploma thesis deals with the issue of phospholipid membranes and their modeling in a microfluidic environment. It describes the composition and its effect on the structure of cell membranes and defines a mathematical-physical model for characterizing the environment in microfluidic channels. Experimental part describes the production of a microfluidic chip and equipment required for reliable formation of membranes formed by L--phosphatidylcholine dissolved in hexadecane. The main emphasis is then placed on optimizing the conditions for the formation of this specific membrane model observed under a fluorescence microscope. We have succeeded in proving the correctness of the mathematical model and in partially describing the conditions under which the membrane is formed despite a large number of complications described in more detail in the discussion of this thesis.
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Microfluidic models of cell membranes
Haluzová, Kateřina ; Dzik, Petr (referee) ; Pekař, Miloslav (advisor)
This work deals with artificial cellular membrane models, their various types, production and usage. It also summarises basic matherials for production of microfluidic chips. Experimental part is focused on optimalization of production of polydimethylsiloxane chip suitable for free-standing lipid bilayers. A preparation workflow was developed which includes casting on a silicon wafer, removing bubbles from the PDMS, curing it at 80 °C for 1 h, plasma bonding, annealing at 150 °C for 30 min and storage. Using fluorescence microscopy, the prepared chips were found to be strong and sealed.
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