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Authors
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Braun, H.-G. ; Zamith-Cardoso, A.
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Title
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Self-assembly of Fmoc-diphenylalanine inside liquid marbles
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Date
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22.05.2012
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Number
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31327
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Abstract
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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 (50500 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.<br />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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Publisher
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Colloids and Surfaces B: Biointerfaces
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Wikidata
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Citation
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Colloids and Surfaces B: Biointerfaces 97 (2012) 43-50
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DOI
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https://doi.org/10.1016/j.colsurfb.2012.03.028
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Tags
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