A four coil exposure system (tetracoil) producing a highly uniform magnetic field |
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Authors: | Gottardi G Mesirca P Agostini C Remondini D Bersani F |
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Institution: | Department of Physics, University of Bologna, Bologna, Italy. |
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Abstract: | We propose a magnetic field exposure system (tetracoil) for in vitro and in vivo experiments, composed of two couples of circular coils satisfying a spherical constraint, whose characteristics are chosen in order to maximize the uniformity region of the magnetic field. Analytical calculations and computer simulations show that our system, as compared to the other most largely used magnetic field exposure systems, represents an optimal compromise in terms of field uniformity, accessibility for biological experiments, and ratio between overall dimension and uniformity region. |
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Keywords: | ELF magnetic fields uniformity region circular coils magnetic field distribution |
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