Super strong paramagnetism of aromatic peptides adsorbed with monovalent cations
Shiqi Sheng, Haijun Yang, Liuhua Mu, Zixin Wang, Jihong Wang, Peng, Xiu, Jun Hu, Xin Zhang, Feng Zhang, Haiping Fang
TL;DR
This study reveals that aromatic peptide assemblies adsorbed with monovalent cations exhibit unexpectedly strong paramagnetism due to hydrated cation-π interactions, opening new avenues for magnetic material design.
Contribution
It demonstrates experimentally that aromatic peptide assemblies with monovalent cations display super strong paramagnetism, highlighting the role of hydrated cation-π interactions.
Findings
AYFFF assemblies with Na+, K+, Li+ show super strong paramagnetism
Hydrated cation-π interactions induce magnetic moments in complexes
Experimental evidence of magnetic properties in peptide-cation complexes
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-{\pi} 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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Taxonomy
TopicsPhotoreceptor and optogenetics research · Advanced NMR Techniques and Applications · Supramolecular Self-Assembly in Materials