| Zeitvogel, F; Burkhardt, CJ; Schroeppel, B; Schmid, G; Ingino, P; Obst, M: Comparison of Preparation Methods of Bacterial Cell-Mineral Aggregates for SEM Imaging and Analysis Using the Model System of Acidovorax sp. BoFeN1, Geomicrobiology Journal, 34(4), 317-327 (2017), online: 23.06.2016, doi:10.1080/01490451.2016.1189467 [Link] | |
| Abstract: Innovative microanalytical methods are valuable tools in geomicrobiology. They often require the use of dried samples, demanding a challenging sample preparation. Since geomicrobiological samples typically have a strongly heterogeneous composition, choosing a preparation method is not straightforward. We therefore compared how different drying methods (critical point drying, hexamethyldisilazane drying, air drying and freeze drying) influence the structure of bacterial cell-mineral aggregates. Each method proved suitable for a specific purpose, but none was able to completely preserve the sample structure. Additional information was obtained on surface alterations by sputter coating and on preservation of extracellular polymeric substances during resin embedding. |
Aktuelle Termine
Aktuelle Termine
| BayCEER-Kolloquium: |
|---|
| Do. 16.05.2024 Dimethylated thioarsenates: potentially dangerous hidden arsenic species in rice and rice products |
| Dialog: |
| Fr. 17.05.2024 Forum Zukunftswald: Bodenvegetation: Erkennen und deren Bedeutung für den Waldbau |
| Ökologisch-Botanischer Garten: |
| Mi. 15.05.2024 Kurzführung | "Botanische Mittagspause" |
| So. 19.05.2024 Führung | "Den ÖBG Kennenlernen: Allgemeine Gartenführung" |
| Mi. 29.05.2024 Führung | "Grüne Apotheke: Heilpflanzen" |