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Updated: Aug 29, 2026

A Micropatterning Assay for Measuring Cell Chirality
Published on: March 11, 2022
Local chiral-symmetry breaking in globally centrosymmetric crystals
S Di Matteo1, Y Joly, A Bombardi
1INFN Laboratori Nazionali di Frascati, CP 13, I-00044 Frascati, Italy.
Abstract:
A thorough tensor analysis of the Bragg-forbidden reflection (00.3)(h) in corundum systems having a global center of inversion, such as V2O3 and alpha-Fe2O3, shows that anomalous x-ray resonant diffraction can access chiral properties related to the dipole-quadrupole (E1-E2) channel via an interference with the pure quadrupole-quadrupole (E2-E2) process. This is also confirmed by independent ab initio numerical simulations. In such a way, it becomes possible to detect chiral quantities in systems where dichroic absorption techniques are ineffective.
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