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Scanning Electron Microscopy and its Applications for Sensitive Samples
 Hrubanová, Kamila ; Nováček, Jiří (oponent) ; Schröfel,, Adam (oponent) ; Krzyžánek, Vladislav (vedoucí práce)
The presented dissertation thesis titled “Scanning electron microscopy and its applications for sensitive samples” describes an instrumental and methodological development in the field of scanning electron microscopy leading to an innovative solution that could be particularly applicable in microbiological research. A summary of the history and current state of electron microscopy (EM) as a scientific imaging and analytical technique is provided in the introductory chapters. The undeniable contribution of EM in the biological and medical sciences is evidenced by many cited scientific publications. This dissertation thesis contains innovations and improvements in specimen preparation and cryogenic scanning electron microscopy (cryo-SEM) produced at the Institute of Scientific Instruments of the CAS in Brno. In particular, the new constructions of special sample holders together with methodological development in the field of microbiological sample preparation resulted in finding optimal parameters for individual processes. In the experimental part there is showed a verification of methodological procedures in the study of hydrated and electron beam sensitive specimens. Subsequent comparison of different methodological approaches on a defined microbiological system contributes to extending the interpretation of the hitherto known results. Among the microbiological strains investigated were the biofilm positive bacteria Staphylococcus epidermidis and yeasts such as Candida albicans and Candida parapsilosis, which are considered to be clinically significant because they are often involved in serious infections and especially threaten immunocompromised patients. Furthermore, the effect of the biofilm formation of Bacillus subtilis on the biodeterioration and biodegradation of poly--caprolactone films was studied. The new development in low temperature cryo-SEM was employed in the research of microbes with biotechnological potential such as Cupriavidus necator and Sporobolomyces shibatanus.
Úplný záznam
Scanning Electron Microscopy and its Applications for Sensitive Samples
 Hrubanová, Kamila ; Nováček, Jiří (oponent) ; Schröfel,, Adam (oponent) ; Krzyžánek, Vladislav (vedoucí práce)
The presented dissertation thesis titled “Scanning electron microscopy and its applications for sensitive samples” describes an instrumental and methodological development in the field of scanning electron microscopy leading to an innovative solution that could be particularly applicable in microbiological research. A summary of the history and current state of electron microscopy (EM) as a scientific imaging and analytical technique is provided in the introductory chapters. The undeniable contribution of EM in the biological and medical sciences is evidenced by many cited scientific publications. This dissertation thesis contains innovations and improvements in specimen preparation and cryogenic scanning electron microscopy (cryo-SEM) produced at the Institute of Scientific Instruments of the CAS in Brno. In particular, the new constructions of special sample holders together with methodological development in the field of microbiological sample preparation resulted in finding optimal parameters for individual processes. In the experimental part there is showed a verification of methodological procedures in the study of hydrated and electron beam sensitive specimens. Subsequent comparison of different methodological approaches on a defined microbiological system contributes to extending the interpretation of the hitherto known results. Among the microbiological strains investigated were the biofilm positive bacteria Staphylococcus epidermidis and yeasts such as Candida albicans and Candida parapsilosis, which are considered to be clinically significant because they are often involved in serious infections and especially threaten immunocompromised patients. Furthermore, the effect of the biofilm formation of Bacillus subtilis on the biodeterioration and biodegradation of poly--caprolactone films was studied. The new development in low temperature cryo-SEM was employed in the research of microbes with biotechnological potential such as Cupriavidus necator and Sporobolomyces shibatanus.
Úplný záznam

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