Biocompatible Electroactive Tetra(aniline)-Conjugated Peptide Nanofibers for Neural Differentiation

Idil Arioz, Ozlem Erol, Gokhan Bakan, F. Begum Dikecoglu, Ahmet E. Topal, Mustafa Urel, Aykutlu Dana, Ayse B. Tekinay*, Mustafa O. Guler

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

44 Citations (Scopus)


Peripheral nerve injuries cause devastating problems for the quality of patients' lives, and regeneration following damage to the peripheral nervous system is limited depending on the degree of the damage. Use of nanobiomaterials can provide therapeutic approaches for the treatment of peripheral nerve injuries. Electroactive biomaterials, in particular, can provide a promising cure for the regeneration of nerve defects. Here, a supramolecular electroactive nanosystem with tetra(aniline) (TA)-containing peptide nanofibers was developed and utilized for nerve regeneration. Self-assembled TA-conjugated peptide nanofibers demonstrated electroactive behavior. The electroactive self-assembled peptide nanofibers formed a well-defined three-dimensional nanofiber network mimicking the extracellular matrix of the neuronal cells. Neurite outgrowth was improved on the electroactive TA nanofiber gels. The neural differentiation of PC-12 cells was more advanced on electroactive peptide nanofiber gels, and these biomaterials are promising for further use in therapeutic neural regeneration applications.

Original languageEnglish
Pages (from-to)308-317
Number of pages10
JournalACS Applied Materials and Interfaces
Issue number1
Publication statusPublished - 10 Jan 2018


  • electroactive nanofibers
  • neural regeneration
  • oligo(aniline)
  • peptide amphiphiles
  • self-assembly
  • tetra(aniline)


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