Self-assembly of Fmoc-diphenylalanine inside liquid marbles.

Colloids and Surfaces. B, Biointerfaces
Hans-Georg Braun, André Zamith Cardoso

Abstract

Liquid marbles made from Lycopodium clavatum spores are used to encapsulate aqueous solutions of 9-fluorenylmethoxycarbonyl-diphenylalanine (Fmoc-FF). Acidification of the Fmoc-FF solution at the liquid/air interface of the liquid marble triggers the self-assembly of ribbon-like peptide fibrils into an ultrathin peptide membrane (50-500 nm). The membrane incorporates the lycopodium microparticles and as a result stabilizes the liquid marble against collapse, that could otherwise occur through particle disintegration at the floating interphase. Ultrathin nanostructured peptide membrane formation at the liquid/air interface is also observed within artificial microstructured floating objects. Thus, peptide membranes formed were inspected by SEM and TEM. Electron diffraction data reveal information about the molecular organization inside the oligopeptide membranes.

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Citations

May 1, 2015·Angewandte Chemie·Yifeng ShengTo Ngai
Feb 28, 2015·Soft Matter·G McHale, M I Newton
Feb 11, 2015·International Journal of Biological Macromolecules·İdris Sargın, Gulsin Arslan
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Jan 25, 2019·Gels·Ana M CastillaDave J Adams
Sep 15, 2021·Angewandte Chemie·Cornelia von BaeckmannFreddy Kleitz

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