Illuminating the brain: Advances and perspectives in optoelectronics for neural activity monitoring and modulation

S Xu, M Momin, S Ahmed, A Hossain… - Advanced …, 2023 - Wiley Online Library
Optogenetic modulation of brain neural activity that combines optical and electrical modes in
a unitary neural system has recently gained robust momentum. Controlling illumination …

Physical mechanisms of emerging neuromodulation modalities

O Karatum, M Han, ET Erdogan… - Journal of Neural …, 2023 - iopscience.iop.org
One of the ultimate goals of neurostimulation field is to design materials, devices and
systems that can simultaneously achieve safe, effective and tether-free operation. For that …

Giant infrared bulk photovoltaic effect in tellurene for broad-spectrum neuromodulation

Z Wang, C Tan, M Peng, Y Yu, F Zhong… - Light: Science & …, 2024 - nature.com
Given the surpassing of the Shockley-Quiesser efficiency limit in conventional pn junction
photovoltaic effect, bulk photovoltaic effect (BPVE) has garnered significant research …

Electrical stimulation of neurons with quantum dots via near-infrared light

O Karatum, HN Kaleli, GO Eren, A Sahin… - ACS nano, 2022 - ACS Publications
Photovoltaic biointerfaces offer wireless and battery-free bioelectronic medicine via
photomodulation of neurons. Near-infrared (NIR) light enables communication with neurons …

Potential of Photoelectric Stimulation with Ultrasmall Carbon Electrode on Neural Tissue: New Directions in Neurostimulation Technology Development

K Chen, B Wu, D Krahe, A Vazquez… - Advanced Functional …, 2024 - Wiley Online Library
Neuromodulation technologies have gained considerable attention for their clinical potential
in treating neurological disorders and advancing cognition research. However, traditional …

RuO2 Supercapacitor Enables Flexible, Safe, and Efficient Optoelectronic Neural Interface

O Karatum, E Yildiz, HN Kaleli, A Sahin… - Advanced Functional …, 2022 - Wiley Online Library
Optoelectronic biointerfaces offer a wireless and nongenetic neurostimulation pathway with
high spatiotemporal resolution. Fabrication of low‐cost and flexible optoelectronic …

Nanoengineering InP quantum dot-based photoactive biointerfaces for optical control of neurons

O Karatum, MM Aria, GO Eren, E Yildiz… - Frontiers in …, 2021 - frontiersin.org
Light-activated biointerfaces provide a non-genetic route for effective control of neural
activity. InP quantum dots (QDs) have a high potential for such biomedical applications due …

Quantum dot and electron acceptor nano-heterojunction for photo-induced capacitive charge-transfer

O Karatum, GO Eren, R Melikov, A Onal… - Scientific reports, 2021 - nature.com
Capacitive charge transfer at the electrode/electrolyte interface is a biocompatible
mechanism for the stimulation of neurons. Although quantum dots showed their potential for …

Nitrogen‐Doped Ultrananocrystalline Diamond–Optoelectronic Biointerface for Wireless Neuronal Stimulation

Y Yao, A Ahnood, A Chambers… - Advanced Healthcare …, 2025 - Wiley Online Library
This study presents a semiconducting optoelectronic system for light‐controlled non‐genetic
neuronal stimulation using visible light. The system architecture is entirely wireless …

Potential of photoelectric stimulation with ultrasmall carbon electrode on neural tissue: new directions in neuromodulation technology development

K Chen, B Wu, D Krahe, A Vazquez, JR Siegenthaler… - bioRxiv, 2024 - biorxiv.org
Objective Neuromodulation technologies have gained considerable attention for its clinical
potential in treating neurological disorders and their capacity to advance cognition research …