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Magnetic Birefringence Study of the Magnetic Core Structure of Ferritin

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Koralewski M., Pochylski M., Mitróová Z., Melníková L., Kováč J., Timko M., Kopčanský P.

Acta Physica Polonica A

2012

vol. 121

issue 5-6

1237-1239

Magnetically induced optical birefringence (Δ n) was measured for magnetoferritin and horse spleen ferritin aqueous suspensions. The Δ n for magnetoferritin was described in the frame of the Langevin formalism taking into account distribution of core diameter. The established average magnetic dipole moment and core diameter is equal to about 460 μ_{B} and 3 nm, respectively. It was shown that magnetic birefringence and the Cotton-Mouton constant can be powerful parameters in identification of the magnetic core structure of ferritin, especially useful in biomedicine.

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1 Acta Physica Polonica A

1 2012

1 Kopčanský P.

1 Koralewski M.

1 Kováč J.

1 Melníková L.

1 Mitróová Z.

1 Pochylski M.

1 Timko M.

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Magnetic Birefringence Study of the Magnetic Core Structure of Ferritin