The preferred “handedness” of biomolecules could have emerged from interactions between electrons and magnetic surfaces on primordial Earth, new research suggests.
In 1848, when Louis Pasteur was a young chemist still years away from discovering how to sterilize milk, he discovered something peculiar about crystals that accidentally formed when an industrial chemist boiled wine for too long. Half of the crystals were recognizably tartaric acid, an industrially useful salt that grew naturally on the walls of wine barrels. The other crystals had exactly the same shape and symmetry, but one face was oriented in the opposite direction.
What if the CISS effect wasn’t manifesting as a chemical process but as a physical one? Naaman’s group had shown that they could use magnetic surfaces to crystallize enantiomers preferentially. And crystallization would be the easiest way for purified collections of enantiomers to assemble. Ozturk mentioned that to John Sutherland, their collaborator at the MRC Laboratory of Molecular Biology in the UK.
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