Spectral Transition in Bio-Inspired Self-Assembled Peptide Nucleic Acid Photonic Crystals

Or Berger, Eyal Yoskovitz, Lihi Adler-Abramovich, Ehud Gazit*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

48 Scopus citations

Abstract

The self-assembly of guanine-based peptide nucleic acid monomers into photonic crystals is described. A highly reflective lattice of guanine nanocrystals is found in the skin and ocular tissues of different species providing vivid structural colors. The fabricated guanine-based supramolecular structures respond to changes in osmolarity similar to the active spectral change mechanism employed by chameleons.

Original languageEnglish
Pages (from-to)2195-2200
Number of pages6
JournalAdvanced Materials
Volume28
Issue number11
DOIs
StatePublished - 16 Mar 2016

Keywords

  • guanine
  • peptide nucleic acids
  • photonic crystals
  • self-assembly
  • structural colors

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