4.6 Article

Self-assembly and fibrillization of a Fmoc-functionalized polyphenolic amino acid

Journal

SOFT MATTER
Volume 9, Issue 43, Pages 10239-10242

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3sm52222a

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Funding

  1. Swiss National Science Foundation (SNSF) [200021_135146]
  2. Electron Microscopy of ETH Zurich (EMEZ)
  3. Swiss National Science Foundation (SNF) [200021_135146] Funding Source: Swiss National Science Foundation (SNF)

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Self-assembly of Fmoc-L-DOPA leads to the formation of twisted fibers at pH 2. Temperature dependent circular dichroism( CD) reveals the formation of a linear superstructure via pi-pi stacking. SAXS experiments together with TEM imaging confirm the existence of semi-flexible twisted-multistranded fibers. The self-assembly is found to be pH-dependent, with no aggregation at pH 5 and 7.

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