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  • Title: Decrease in magnetic anisotropy of external segments of the retinal rods after a total photolysis.
    Author: Chagneux R, Chagneux H, Chalazonitis N.
    Journal: Biophys J; 1977 Apr; 18(1):125-7. PubMed ID: 856315.
    Abstract:
    The magnetic anisotropy of a polymembrane cell, such as the external segment of the frog retinal rod, is defined as the difference between the axial magnetic susceptibility (chiar), chia - chir = deltachi of the segment. After the total photolysis of the rhodopsin in situ, deltachi decreases a significantly by 20%. This decrease in magnetic anisotrophy should involve a subtle molecular disorder, mostly due to an alteration of the rhodopsin molecule.
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