National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
The Influence of the Type of Electrodes on the Biological Impedance Measurement
Prokopyeva, Elena
Electric impedance during meat storage can be affected by various processes: microbial growth, changing of ions mobility, structural changes, etc. Impedance of biological tissues is frequency dependent. The aim of current study is to determine and evaluate the impedance properties of pork meat using two types of electrodes. Measurements were performed during three days in frequency range 100 Hz ÷ 1 MHz.
Cell Viability Measurement
Prokopyeva, Elena ; Sekora, Jiří (referee) ; Čmiel, Vratislav (advisor)
This master's thesis deals with the ways of cell viability determination and its measuring. The first part of this thesis has a brief introduction into the theory of cell viability, also the methods of cell viability measurement and different types of fluorescent probes are described. The thesis further includes a brief description of the image processing methods, as well as the fluorescent microscope and applied filters are described. In the practical part the system implemented at a graphical programming environment LabVIEW used for the cell viability evaluation is described, functions of applied units are explained. The program is checked on model data.

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1 Prokopyeva, E.
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