An aromatic peptide amphiphile was designed for delivery of the signaling gas H2S. The peptide self-assembled in water into nanofibers that gelled upon charge screening. The non-toxic gel slowly released H2S over 15 hours, and the presence of H2S in endothelial cells was verified using a fluorescent H2S probe.
J. M. Carter, Y. Qian, J. C. Foster and J. B. Matson, Chem. Commun., 2015, 51, 13131 DOI: 10.1039/C5CC04883D
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