Knot formation, migration, and dissolution in polar active diblock copolymers. The knot (red) always forms in the active block (yellow) and then migrates and dissolves in the passive block (blue). Selected for a Synopsis in Physics Magazine and for an Editors’ Suggestion.
From the article:
Upsurge of Spontaneous Knotting in Polar Diblock Active PolymersMarin Vatin, Enzo Orlandini, and Emanuele Locatelli
Phys. Rev. Lett. 134, 168301 (2025)
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