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Photopletysmograph with evaluation of recorded lines
Vyskočilová, Marta ; Sekora, Jiří (referee) ; Chmelař, Milan (advisor)
Bachelor thessis deals with the methods of measurement of tissue volume with plethysmographic method focusing on photopletysmography. This method is used to determine the reactivity of blood vessels and blood flow to the quality of the investigated tissue. For shooting plethysmographic curve was designed and made device that communicates with the computer via multifunction NI USB card. For further signal processing was designed the virtual instrument in programming environment LabVIEW and device function was tested on test subjects.
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Study of gecko adhesion force and formation of a nanostructured gecko mimicking surface
Vyskočilová, Marta ; Hubálek, Jaromír (referee) ; Neužil, Pavel (advisor)
This thesis deals with the surface of a gecko in relation to its adhesion ability. Understanding the mechanism of movement and adhesion principle is important for the design and manufacture of nanostructured material. Likewise, knowledge of the origin of the self-cleaning ability allows the description of the influence of surface structure on movement and forces acting at the contact. The work describes the process of making nanostructured surface, which was modified in order to obtain maximum adhesion forces. The material properties were determined by the values of wettability and by force spectrum measurement. Their results were compared with the theoretical assumption of capillary forces and other possibilities to increase adhesion.
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Photopletysmograph with evaluation of recorded lines
Vyskočilová, Marta ; Sekora, Jiří (referee) ; Chmelař, Milan (advisor)
Bachelor thessis deals with the methods of measurement of tissue volume with plethysmographic method focusing on photopletysmography. This method is used to determine the reactivity of blood vessels and blood flow to the quality of the investigated tissue. For shooting plethysmographic curve was designed and made device that communicates with the computer via multifunction NI USB card. For further signal processing was designed the virtual instrument in programming environment LabVIEW and device function was tested on test subjects.
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Study of gecko adhesion force and formation of a nanostructured gecko mimicking surface
Vyskočilová, Marta ; Hubálek, Jaromír (referee) ; Neužil, Pavel (advisor)
This thesis deals with the surface of a gecko in relation to its adhesion ability. Understanding the mechanism of movement and adhesion principle is important for the design and manufacture of nanostructured material. Likewise, knowledge of the origin of the self-cleaning ability allows the description of the influence of surface structure on movement and forces acting at the contact. The work describes the process of making nanostructured surface, which was modified in order to obtain maximum adhesion forces. The material properties were determined by the values of wettability and by force spectrum measurement. Their results were compared with the theoretical assumption of capillary forces and other possibilities to increase adhesion.
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