Author, Institution: Tomas Janušas, Kaunas University of Technology
Science area, field of science: Technological Sciences, Mechanical Engineering, T009
Scientific Supervisor: Prof. Dr. Giedrius Janušas (Kaunas University of Technology, Technological Sciences, Mechanical Engineering, T009)
Dissertation Defence Board of Mechanical Engineering Science Field:
Prof. Hab. Dr. Vytautas Ostaševičius (Kaunas University of Technology, Technological Sciences, Mechanical Engineering, T009) – chairperson
Hab. Dr. Algimantas Bubulis (Kaunas University of Technology, Technological Sciences, Mechanical Engineering, T009)
Prof. Dr. Vytenis Jankauskas (Vytautas Magnus University, Technological Sciences, Mechanical Engineering, T009)
Prof. Dr. Sergei Kruchinin (Bogolyubov Institute for Theoretical Physics, Ukraine, Natural Sciences, Physics, N002)
Dissertation defence meeting will be at Dissertation Defense Hall at Kaunas University of Technology (K. Donelaičio g. 73-403, Kaunas).
The doctoral dissertation is available at the library of Kaunas University of Technology (K. Donelaičio g. 20, Kaunas).
Annotation:
The development of modern biosensors requires technologies for the development of micromechanical liquid devices and the positioning and control of bioparticles in them. This is a prerequisite for sensors operating on the principle of single particle sensing. Therefore, such micromechanical devices create nano/micro spaces into which bioparticles for the analysis are positioned. Therefore, it is important to develop micromechanical systems with nano/microspaces at the nano/micrometric level that can be used to develop nano/micro bioparticle traps and storages as well as biosensors operating on this basis. This dissertation presents entire microfluidic acoustophoresis device done from a piezoelectric nanocomposite with piezoelectric properties at the micrometric level, which would allow for even more efficient generation of bulk acoustic waves, meaning the control of bioparticles. Traditionally, acoustophoresis devices are made of silicon, glass, PMMA, PDMS, and other materials. Biocompatibility with lead particles is a problem in the manufacture of microfluidic devices from piezoceramic nanocomposite. Therefore, another challenge of the dissertation was to develop a lead-free piezoelectric nanocomposite with a piezoelectric effect at the micrometric level by replacing lead with barium.
June 27 d. 10:00
Dissertation Defense Hall at Kaunas University of Technology (K. Donelaičio g. 73-403, Kaunas)
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