Study discovers anisotropic chemiresistive response in magnetite, suggesting insights into biological navigation mechanisms.
. This chemiresistive response exhibits a strong anisotropic dependence on the strength, direction and inclination of the magnetic field, suggesting that magnetite's electrical resistance dynamically adapts to both magnetic and chemical environmental changes. The observed behaviour under an Earth-like magnetic field closely mirrors the magnetoreception seen in biological species that rely on magnetite for navigation. This finding may provide new insights into the mechanisms behind magnetite-based magnetoreception observed in various biological species.
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Rudra et al. (2025) studied this question.
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