M Desoil et al 2005 J. Phys.: Conf. Ser. 17 45 doi:10.1088/1742-6596/17/1/007
M Desoil1,4, P Gillis1, Y Gossuin1, Q A Pankhurst2 and D Hautot2,3
Show affiliationsThe biogenic magnetic properties of the honeybee Apis mellifera were investigated with a view to understanding the bee's physiological response to magnetic fields. The magnetisations of bee abdomens on one hand, and heads and thoraxes on the other hand, were measured separately as functions of temperature and field. Both the antiferromagnetic responses of the ferrihydrite cores of the iron storage protein ferritin, and the ferrimagnetic responses of nanoscale magnetite (Fe3O4) particles, were observed. Relatively large magnetite particles (ca. 30 nm or more), capable of retaining a remanent magnetisation at room temperature, were found in the abdomens, but were absent in the heads and thoraxes. In both samples, more than 98% of the iron atoms were due to ferritin.
Issue 1 (2005)
M Desoil et al 2005 J. Phys.: Conf. Ser. 17 45
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