1-nm Biological Nanorotor Sensing Weak Magnetic Fields... Forging Life Phenomena Through Quantum Interference
Abstract
• A preprint study on arXiv proposes a new molecular nanorotor mechanism to explain the biological effects of weak magnetic fields. • Through an enhanced moment of inertia, it maintains quantum coherence for a relatively long time even in a noisy cellular environment, manifesting quantum interference phenomena. • Identifies a new macroscopic physiological effect that complements the limitations of the existing radical pair mechanism (RPM) by reacting highly sensitively only to weak magnetic fields, not strong ones. [Quantum Biology Society] How living organisms detect extremely weak magnetic fields, such as the Earth's magnetic field, and trigger physiological responses has long been a mystery in quantum biology. Previously, the radical pair mechanism (RPM) utilizing electron spins was considered a leading hypothesis. However, since the effects observed in in vitro cryptochrome experiments are extremely small (less than a tenth of a percent), there were physical limitations in fully explaining the macroscopic biological magnetic field effects that range from several to tens of percent. Recently, a paper titled "Quantum Dynamics of a Nanorotor Driven by a Magnetic Field," released on the preprint repository arXiv, newly proposed a 1-nanometer (nm) scale molecular rotor mechanism to overcome this. Dr. V. N. Binhi, who conducted this single-author study, presented a new breakthrough in magnetic field biology through the quantum dynamics model of a biological nanorotor. ■…
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