The Optical Bio-Sensing Laboratory (OBSL), located within the Health Technologies Building at 600 Discovery Drive on Texas A&M University’s West Campus Research Park in College Station, Texas, is an engineering-driven biomedical research laboratory dedicated to the design, rapid prototyping, validation, and clinical translation of next-generation physiological sensing technologies.
The Optical Bio-Sensing Laboratory (OBSL) is an engineering-driven biomedical research laboratory dedicated to the design, rapid prototyping, validation, and clinical translation of next-generation physiological sensing technologies. Founded on advanced optical measurement methodologies, including Raman spectroscopy, fluorescence sensing, optical polarimetry, and particle image velocimetry, the laboratory has evolved into a comprehensive biomedical systems engineering environment that integrates multimodal biosensing, embedded electronics, adaptive materials, signal processing, and human-centered device architecture.
A central focus of OBSL research is the development of continuous, noninvasive physiological monitoring platforms, including next-generation cuffless blood pressure sensing systems engineered for wearable and operational deployment. These systems incorporate pressure transduction, photoplethysmography, electrocardiography, bioimpedance, thermal sensing, and neural monitoring and feedback modalities. The laboratory actively develops adaptive polymer-based patches and wearable form factors capable of conformal, long-duration monitoring across diverse populations, including pediatric applications where safety, comfort, and reliability are critical design considerations.
A defining capability of OBSL is the development of advanced physiological validation infrastructure for medical device engineering. The laboratory designs and fabricates anatomically and mechanically representative phantom systems, including artificial organs, vascular networks, and limb structures such as phantom arms and fingers with controlled fluid dynamics to emulate physiological blood flow and pressure conditions. These engineered platforms enable controlled, repeatable testing environments for device characterization, algorithm development, and system validation prior to clinical or operational deployment.
Research programs extend across preventive and pediatric medicine, remote and continuous health monitoring, military operational physiology, aerospace and spaceflight health systems, and monitoring in extreme or resource-constrained environments. OBSL maintains a strong emphasis on cost-constrained engineering, scalable manufacturing considerations, and deployment-focused design to support the development of accessible and affordable healthcare technologies worldwide.
The laboratory has contributed to numerous intellectual property disclosures and patents spanning wearable biosensing, physiological monitoring systems, and biomedical device validation technologies. OBSL actively supports the transition of innovations from conceptual design through engineering realization and commercial deployment, contributing to multiple successful technology translation pathways and startup ventures. Through sustained collaboration with clinicians, industry partners, and government research organizations, the laboratory operates at the interface of fundamental sensing science and scalable biomedical device engineering, enabling translational outcomes that extend beyond conventional academic research models.
“The most exciting aspect of my current research is that we develop optical, laser, and nanoparticle-based biomedical sensors that have the potential to make a difference in people’s lives in many different ways.”
Gerard L Cote, PhD