Photoemission Electron Microscopy and Scanning Electron Microscopy of Magnetospirillum magnetotacticum’s Magnetosome Chains
2014
Keutner, Christoph | von Bohlen, Alex | Berges, Ulf | Espeter, Philipp | Schneider, Claus M. | Westphal, Carsten
Magnetotactic bacteria are of great interdisciplinary interest, since a vast field of applications from magnetic recording media to medical nanorobots is conceivable. A key feature for a further understanding is the detailed knowledge about the magnetosome chain within the bacteria. We report on two preparation procedures suitable for UHV experiments in reflective geometry. Further, we present the results of scanning electron microscopy, as well as the first photoemission electron microscopy experiments, both accessing the magnetosomes within intact magnetotactic bacteria and compare these to scanning electron microscopy data from the literature. From the images, we can clearly identify individual magnetosomes within their chains.
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