Magnetic force microscopy of the submicron magnetic assembly in a magnetotactic bacterium
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Magnetic force microscopy of the submicron magnetic assembly in a magnetotactic bacterium
Published Date
1995
Publisher
Applied Physics Letters (American Institute of Physics)
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Article
Abstract
A magnetic force microscope(MFM) was used to image topography and magnetic forces from a chain of submicron single magnetic domain particles produced by and contained in isolated magnetotactic bacteria. The noncontact magnetic force microscope data were used to determine a value for the magnetic moment of an individual bacterial cell, of order 10−13 emu, consistent with the average magnetic moment of bacteria from the same sample, obtained by superconducting quantum interference device magnetometry. The results represent the most sensitive quantification of a magnetic force microscope image to date.
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R. P. and E. D. D. were supported by the Office of Naval Research Grant N00014-91-J-1290, B. M. M. was supported by the National Science Foundation. This is Contribution 9403 of the Institute of Rock Magnetism. D. A. B. and R. B. F. were supported by the Office of Naval Research Grant No. N00014-91-J-1290
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10.1063/1.113508
Previously Published Citation
Proksch, R. B., T. E. Schäffer, B. M. Moskowitz, E. D. Dahlberg, D. A. Bazylinski and R. B. Frankel (1995). "Magnetic force microscopy of the submicron magnetic assembly in a magnetotactic bacterium." Applied Physics Letters 66: 2582–2584.
Suggested citation
Proksch, Roger; Schäffer, T.E; Moskowitz, Bruce; Dahlberg, E.D.; Bazylinski, Dennis; Frankel, R.B.. (1995). Magnetic force microscopy of the submicron magnetic assembly in a magnetotactic bacterium. Retrieved from the University Digital Conservancy, 10.1063/1.113508.
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