A marine-derived peptide labelled with a Gd(III)-chelate was found to self-assemble depending on the solution pH, accompanied by changes in T1-relaxivity (r1) values when in the dispersed or self-assembled form. Such pH-responsive behavior can be advantageous in the development of macromolecular magnetic resonance imaging (MRI) contrast agents which monitor the tissue physiology.
C. M. M. Ocampo and A. J. L. Villaraza, Dalton Trans., 2024, 53, 14971 DOI: 10.1039/D4DT01773K
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