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Autor:
F. Ohnesorge, R. Neumann
Publikováno v:
Europhysics Letters (EPL). 50:742-748
SFM-images of latent tracks of single high-energy (11.4 MeV/n) heavy ions (Au, Bi, Pb) on the surface of polymer foils (PI, PET) reveal 15-20 nm sized ring-shaped delicate structures, only visible when minimizing the imaging forces down to 10−10 N
Publikováno v:
Biophysical Journal. 73:2183-2194
Single living cells were studied in growth medium by atomic force microscopy at a high--down to one image frame per second--imaging rate over time periods of many hours, stably producing hundreds of consecutive scans with a lateral resolution of appr
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 107:327-332
The possibility of influencing the epitaxial relationship by heavy ion tracks has been investigated for high temperature superconducting films YBa2Cu3O7−δ (YBCO) on single crystalline MgO (100) substrates. The tracks are formed by irradiation with
Autor:
F. Ohnesorge, G. Binnig
Publikováno v:
Science. 260:1451-1456
The (1014) cleavage plane of calcite has been investigated by atomic force microscopy in water at room temperature. True lateral atomic-scale resolution was achieved; the atomic-scale periodicities as well as the expected relative positions of the at
Autor:
Uwe B. Sleytr, Dietmar Pum, F. Ohnesorge, K. Schilcher, Wolfgang M. Heckl, H. Schindler, A. Kiener, W. Häberle, D. P. E. Smith, Gerd Binnig, M Sára
Publikováno v:
Ultramicroscopy. :1236-1242
In many prokaryotic cells (eubacteria and archaebacteria) the outermost cell envelope component is composed of a regularly structured protein surface layer (S-layer). The two-dimensional S-layer from Bacillus coagulans E38-66 and Bacillus sphaericus
Publikováno v:
Ultramicroscopy. :1161-1167
In this paper we report the direct observation of biological processes on living cells. The experiments were done in situ by scanning force microscopy on a scale inaccessible by other techniques under physiological conditions. Living monkey-kidney cu
Autor:
Scot A. C. Gould, Barney Drake, Hermann E. Gaub, M. Egger, F. Ohnesorge, Paul K. Hansma, Craig Prater, A. L. Weisenhorn, S. P. Heyn
Publikováno v:
Journal of Structural Biology. 103:89-94
We have employed an AFM to determine the structural properties of supported planar membranes and membrane-bound proteins in an aqueous environment. Images of an asymmetric Langmuir Blodgett film of a charged phospholipid show long range positional as
Autor:
J K, Hörber, W, Häberle, F, Ohnesorge, G, Binnig, H G, Liebich, C P, Czerny, H, Mahnel, A, Mayr
Publikováno v:
Scanning microscopy. 6(4)
Membrane structures of different types of cells are imaged in the nanometer regime by scanning force microscopy (SFM). The images are compared to those obtained with a scanning electron microscope (SEM). The SFM imaging can be done on the outer cell