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Super strong paramagnetism of aromatic peptides adsorbed with monovalent cations

2020/12/22 by Shiqi Sheng, Haijun Yang, Sheng, Shiqi +17
Chemistry · Materials Science · Neuroscience · #Advanced NMR Techniques and Applications #Biological Physics (physics.bio-ph) #FOS: Physical sciences #Photoreceptor and optogenetics research #Supramolecular Self-Assembly in Materials

paper · pdf · doi:10.48550/arxiv.2012.11850

openalex publication_date 2020/12/22 · openalex created_date 2021/01/05 · openalex updated_date 2026/07/28

Abstract

We experimentally demonstrated that the AYFFF self-assemblies adsorbed with various monovalent cations (Na+, K+, and Li+) show unexpectedly super strong paramagnetism. The key to the super strong paramagnetism lies in the hydrated cation-π interactions between the monovalent cations and the aromatic rings in the AYFFF assemblies, which endows the AYFFF-cations complex with magnetic moments.

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