A Study of Magnetic Properties of Magnetotactic Bacteria
- Wajnberg, E.
- de Souza, L. H. Salvo
- de Barros, Henrique G. P. Lins
- Esquivel, Darci M.S.
Publication date
September 1986
DOI Publisher
The Biophysical Society. Published by Elsevier Inc. ISSN
0006-3495Abstract
The first direct measurements of magnetic properties of magnetotactic bacteria from natural samples are presented. Measurements were made at 4.2 K, using a Superconducting Quantum Interfering Device (SQUID) magnetometer. From the magnetization results an anisotropy is obtained that is typical of magnetized ferro- or ferri-magnetic materials. The average magnetic moment of the bacteria determined from the results is in good agreement with the estimated moment from electron microscopy
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