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  Imaging the electrocyte of Torpedo marmorata by scanning force microscopy

Pietrasanta, L. I., Schaper, A., Fox, G. Q., Barrantes, F. J., & Jovin, T. M. (1996). Imaging the electrocyte of Torpedo marmorata by scanning force microscopy. Scanning Microscopy, 10, 963-974.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-0216-9 Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-0027-EC78-7
Genre: Zeitschriftenartikel

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 Urheber:
Pietrasanta, L. I.1, Autor           
Schaper, A.1, Autor           
Fox, G. Q., Autor
Barrantes, F. J., Autor
Jovin, T. M.1, Autor           
Affiliations:
1Department of Molecular Biology, MPI for biophysical chemistry, Max Planck Society, ou_578628              

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 Zusammenfassung: Scanning force microscopy (SFM) and scanning electron microscopy (SEM) were used to examine the tissue structure of the electric organ of Torpedo marmorata in air and in liquid after applying fracturing and cryosectioning techniques and chemical fixation. The electric organ is organized in columns of stacked electrocytes, arranged in a honeycomb pattern. The columns were cut along a plane normal to the cell stack and thin sections were transferred to polylysine coated glass cover slips. The polarity of the electrocytes was made apparent by immunofluorescence microscopy directed to different domains of the acetylcholine receptor (AChR), thus revealing the innervated face of the cell. SFM and SEM both showed cell surfaces to be overlaid by a network of collagen fibers by their characteristic banding pattern with ~64 nm periodicity and ~2.5 nm corrugation amplitude. In liquid, significantly lower structural resolution was achieved by SFM, probably due to sample elasticity.

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Sprache(n): eng - English
 Datum: 2005-08-151996
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: eDoc: 233611
Anderer: 636
 Art des Abschluß: -

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Titel: Scanning Microscopy
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 10 Artikelnummer: - Start- / Endseite: 963 - 974 Identifikator: -