Control of Neuronal Survival and Development Using Conductive Diamond

Samira Falahatdoost, Yair D.J. Prawer, Danli Peng, Andre Chambers, Hualin Zhan, Leon Pope, Alastair Stacey, Arman Ahnood, Hassan N. Al Hashem, Sorel E. De León, David J. Garrett, Kate Fox, Michael B. Clark, Michael R. Ibbotson, Steven Prawer, Wei Tong

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

This study demonstrates the control of neuronal survival and development using nitrogen-doped ultrananocrystalline diamond (N-UNCD). We highlight the role of N-UNCD in regulating neuronal activity via near-infrared illumination, demonstrating the generation of stable photocurrents that enhance neuronal survival and neurite outgrowth and foster a more active, synchronized neuronal network. Whole transcriptome RNA sequencing reveals that diamond substrates improve cellular-substrate interaction by upregulating extracellular matrix and gap junction-related genes. Our findings underscore the potential of conductive diamond as a robust and biocompatible platform for noninvasive and effective neural tissue engineering.

Original languageEnglish (US)
Pages (from-to)4361-4374
Number of pages14
JournalACS Applied Materials and Interfaces
Volume16
Issue number4
DOIs
StatePublished - Jan 31 2024
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Materials Science

Keywords

  • Conductive diamond
  • N-UNCD
  • Near-infrared illumination
  • Neural engineering
  • Neurite outgrowth

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