Design and Evaluation of a Biocompatible Bioluminescence Unit: Applications in Optogenetics and Beyond

Abstract

Achieving non-invasive, deep tissue illumination is a significant challenge with applications in fields such as biophotonics and bio-optical communication. The high scattering and absorption coefficients of biological tissues limit light penetration and impose practical constraints on various applications such as optogenetics and bio-optical interfaces. Traditional methods that utilize external light sources or implanted optical fibers are limited by invasiveness and biocompatibility issues. To address these constraints, this research proposes developing a wireless, bioluminescent illumination unit powered by piezoelectric nanogenerators. The expected outcome of this system is to provide a minimally invasive method for deep tissue illumination.

This approach not only enhances in vivo optogenetic applications but also holds potential for bio-optical communications, which offer advantages over electrical methods, including higher spatiotemporal resolution and minimal invasiveness. The integration of bioluminescence with ultrasonic stimulation offers a non-invasive, controllable light source for targeted neural stimulation in optogenetics and other bio-optical applications.

This research will focus on designing the proposed illumination unit and characterizing the bioluminescent response to ultrasonic stimulation by thoroughly modelling the underlying biological processes. Additionally, it will analyze light-tissue interactions to quantify the resulting fluence distribution within biological tissue. By proposing the design of a wireless bioluminescent systems, this study aims to open new pathways for medical diagnostics and therapeutic interventions using optogenetics. Furthermore, the findings of this research could contribute to the design and analysis of wireless optical transceivers for bio-optical interfaces, potentially advancing the field of optical biocommunication for various applications.