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Charles University Faculty of Pharmacy in Hradec Králové Department of Biological and Medical Sciences Subject of study: Bioanalytical laboratory diagnostics in healtcare Student: Bc. Martina Nosková Supervisor: RNDr. Klára Konečná, Ph.D. Title: Evalution of the effectiveness of selected methodical approaches for disagregation of staphylococcal biofilm biomass Background: Evaluation of the impact of selected biochemical and physical approaches on the disaggregation of the biofilm community formed by the bacterium Staphylococcus aureus. For the biochemical approach was chosen enzyme proteinase K, the impact of sonication, shaking with/without glass beads was studied within the physical approaches. Methods: Staphylococcal biofilm was formed in vitro in two methodical configurations - in the wells of a microtiter plate and on pegs (analogy to the Calgary Biofilm Device). To evaluate the degree of consistency of the obtained data, which reflects the homogenity of the biofilm biomass disaggeragation, the "recovery" method, and the method of metabolic activity evaluation, using the Alamar Blue indicator. To express the degree of effectiveness of the chosen approaches on the overall disaggregation of the biofilm community, the method of quantification of biofilm biomass by crystal violet staining was... |
