Author
Listed:
- Giovanny Marquez
- Harika Dechiraju
- Prabhat Baniya
- Houpu Li
- Maryam Tebyani
- Pattawong Pansodtee
- Mohammad Jafari
- Alexie Barbee
- Jonathan Orozco
- Mircea Teodorescu
- Marco Rolandi
- Marcella Gomez
Abstract
Precision medicine endeavors to personalize treatments, considering individual variations in patient responses based on factors like genetic mutations, age, and diet. Integrating this approach dynamically, bioelectronics equipped with real-time sensing and intelligent actuation present a promising avenue. Devices such as ion pumps hold potential for precise therapeutic drug delivery, a pivotal aspect of effective precision medicine. However, implementing bioelectronic devices in precision medicine encounters formidable challenges. Variability in device performance due to fabrication inconsistencies and operational limitations, including voltage saturation, presents significant hurdles. To address this, closed-loop control with adaptive capabilities and explicit handling of saturation becomes imperative. Our research introduces an enhanced sliding mode controller capable of managing saturation, adept at satisfactory control actions amidst model uncertainties. To evaluate the controller’s effectiveness, we conducted in silico experiments using an extended mathematical model of the proton pump. Subsequently, we compared the performance of our developed controller with classical Proportional Integral Derivative (PID) and machine learning (ML)–based controllers. Furthermore, in vitro experiments assessed the controller’s efficacy using various reference signals for controlled Fluoxetine delivery. These experiments showcased consistent performance across diverse input signals, maintaining the current value near the reference with a relative error of less than 7% in all trials. Our findings underscore the potential of the developed controller to address challenges in bioelectronic device implementation, offering reliable precision in drug delivery strategies within the realm of precision medicine.
Suggested Citation
Giovanny Marquez & Harika Dechiraju & Prabhat Baniya & Houpu Li & Maryam Tebyani & Pattawong Pansodtee & Mohammad Jafari & Alexie Barbee & Jonathan Orozco & Mircea Teodorescu & Marco Rolandi & Marcell, 2024.
"Delivering biochemicals with precision using bioelectronic devices enhanced with feedback control,"
PLOS ONE, Public Library of Science, vol. 19(5), pages 1-15, May.
Handle:
RePEc:plo:pone00:0298286
DOI: 10.1371/journal.pone.0298286
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