Magnetic force microscopy of the submicron magnetic assembly in a magnetotactic bacterium

Proksch, Roger
Schäffer, T.E
Moskowitz, Bruce
Dahlberg, E.D.
Bazylinski, Dennis
Frankel, R.B.
1995
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https://hdl.handle.net/11299/175067
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Magnetic force microscopy of the submicron magnetic assembly in a magnetotactic bacterium

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1995

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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

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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.

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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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