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Home » Biophysics and bioengineering » Biophysics » Quantum physics guides proton motion in biological systems

Quantum physics guides proton motion in biological systems

09 Jun 2025 Isabelle Dumé
Diagram showing a ball-and-stick model of molecules with protons (H atoms) moving in the same direction as electrons (represented by blue arrows) and a chiral phonon (represented by a corkscrew-like line) being emitted.
Protons and electrons: A schematic toy model showing how proton transport is accompanied by electron polarization in chiral media. Due to the chiral induced spin selectivity effect, this electric polarization leads to spin polarization. Preserving angular momentum then generates chiral phonons that enhance proton transfer. (Courtesy: Naama Goren)
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Isabelle Dumé is a contributing editor to Physics World
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