From the 1 of 4 linked papers with an AI index.
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Gelation of functional peptides by trivalent cations at the air-water interface
Stephen A. Crane, Felipe Jimenez Angeles, Monica Olvera de la Cruz +2
The paper describes how trivalent lanthanide ions cause peptides at the air‑water interface to switch from single‑peptide binding to multi‑peptide bridging, leading to a reversible…
A sweeping twist defect as a topological flagellum that drives colloid motion
Qi Xing Zhang, Claire Dore, Mojtaba Rajabi +2
Nematic liquid crystals can dramatically reconfigure under dynamic forcing, providing exciting opportunities in active matter. Here, we study a hybrid disk colloid rotated by an ex…
Scallop Theorem for Swimming in Anisotropic Fluids
Mojtaba Rajabi, Enej Caf, Qi Xing Zhang +5
In isotropic fluids like water, micrometer-scale swimmers have evolved swim strokes to translate despite their tiny size. As described by Purcell in his Scallop Theorem, reciprocal…
Interfacial Rheology of Lanthanide Binding Peptide Surfactants at the Air-Water Interface
Stephen A. Crane, Felipe Jimenez-Angeles, Yiming Wang +12
Peptide surfactants (PEPS) are studied to capture and retain rare earth elements (REEs) at air-water interfaces to enable REE separations. Peptide sequences, designed to selectivel…
Swimmers at Interfaces Enhance Interfacial Transport
Jiayi Deng, Mehdi Molaei, Nicholas G. Chisholm +1
The behavior of fluid interfaces far from equilibrium plays central roles in nature and in industry. Active swimmers trapped at interfaces can alter transport at fluid boundaries w…