Skip to main content

Magnetic Material Arrangement In A pis Mellifera Abdomens

  • Darci M. S. Esquivel (a1), Eliane Wajnberg (a1), Geraldo R. Cernicchiaro (a1), Daniel Acosta-Avalos (a2) and B.E. Garcia (a1)...

Honeybees are the most studied insects in the magnetic orientation research field. Experiments on the magnetic remanence of honeybees have shown the presence of magnetite nanoparticles, aligned transversely to the body axis on the anterodorsal abdomen horizontal plane. These results support the hypothesis of ferromagnetic sensors for the magnetoreception mechanism. An Electron Paramagnetic Resonance (EPR) study identified isolated magnetite nanoparticles and aggregates of these particles with a low temperature transition (52 K – 91 K). Hysteresis curves of Apis mellifera abdomens organized parallel and perpendicular to the applied magnetic field were obtained from 5K to 310K. At low temperatures, the hysteresis curves indicate a preferential orientation of the magnetic easy axis parallel to the body axis. The saturation (Js) and remanent (Jr) magnetizations, coercive field (Hc) and initial susceptibility (Ψ) were obtained. Results were interpreted based on the presence of magnetite nanoparticles with 50 K and 120 K mean blocking temperatures.

Hide All
1. Vacha, M., Biologia Bratislava 52, 629 (1997).
2. Gould, J. L., Kirschvink, J. L. and Deffeyes, K. S., Science 201, 1026 (1978).
3. Kirschvink, J. L., Bioelectromagnetics 10, 239 (1989).
4. Gould, J. L., Kirschvink, J. L., Deffeyes, K. S. and Brines, M. L., J. Exp. Biol. 80, 1 (1980).
5. Kirschvink, J. L.., Kuwajima, T., Ueno, S., Kirschvink, S. J., Diaz-Ricci, J., Morales, A., Barwig, S. and Quinn, K. J., in Sensory Transduction (The Rockefeller University Press N.Y., 1992) chap.14, 227.
6. El-Jaick, L. J., Acosta-Avalos, D., Esquivel, D. M. S., Wajnberg, E. and Linhares, M. P., Eur. Biophys. J. 29, 579, (2001).
7. Takagi, S., J. Phys. Soc. Japan 64, 4378, (1995)
8. Towne, W. F. and Gould, J. L., in Magnetite Biomineralization and Magnetoreception in Organisms (Plenum Press, N. York, 1985) chap. 18, 385.
9. Loffler, J. F., Meier, J. P., Doudin, B., Ansermet, J. P. and Wagner, W., Phys. Rev. B 57, 2915, (1998).
Recommend this journal

Email your librarian or administrator to recommend adding this journal to your organisation's collection.

MRS Online Proceedings Library (OPL)
  • ISSN: -
  • EISSN: 1946-4274
  • URL: /core/journals/mrs-online-proceedings-library-archive
Please enter your name
Please enter a valid email address
Who would you like to send this to? *


Full text views

Total number of HTML views: 0
Total number of PDF views: 3 *
Loading metrics...

Abstract views

Total abstract views: 38 *
Loading metrics...

* Views captured on Cambridge Core between September 2016 - 20th April 2018. This data will be updated every 24 hours.