Abstract

We have synthesized oligopeptides based on insect silks with added metal ion complexing groups at the ends of the oligopeptides. These oligopeptides can be complexed with magnetic ions and used to chemically deliver them into a pattern of nanoscale magnetic ion-rich layers without thin-film deposition. Gd-, Dy-, and Cr-complexed oligopeptide materials were studied and were found to be well-behaved paramagnets. With higher concentrations of magnetic ions, magnetic coupling interactions may be possible.

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