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IEEE Lecture : “From Wearables to Implantables: Enabling Next Generation Health Monitoring” by Dr. Mike McShane.

Abstract:    Personal health monitoring is becoming increasingly accessible as the ease of producing low-cost, low-power embedded systems has fuelled a rapid growth in consumer products aimed at “measuring me.” While new products are released regularly, a major technology gap is in the space of continuous chemical sensing.

Commercial devices for continuous glucose monitoring are examples of progress in this area; yet, they are invasive and lack longevity. Fully-implantable or completely noninvasive systems face significant hurdles to implementation.

The current state of the art in wearable medical devices will be reviewed, focusing on non-/minimally-invasive diagnostics and monitoring tools. After reviewing recent advances and current trends, the materials-focused solutions and related optical instrumentation being pursued in our research will be described. Our research emphasis is on developing miniature, injectable, “passive” biosensor implants with microscale and nanoscale organisation to enable observation of interstitial biochemistry. These materials provide specificity through use of various receptors and enhance sensitivity through optical amplification; specifically, the hydrogel-based biochemical sensors exhibit sensitive response by luminescence intensity and lifetime or Raman scattering. Further, they employ materials that can integrate naturally with tissue, such as porous gels and microparticle suspensions, enhancing prospects for accurate, rapid response and long-term monitoring.

Research-grade and early commercial prototype instrumentation to interrogate the implants will also be discussed. To conclude, the major remaining challenges to long-term in vivo biochemical monitoring will be highlighted.

Dr Mike McShane

Dr Mike McShane is Professor in the Departments of Biomedical Engineering and Materials Science & Engineering at Texas A&M University and is currently Director of Graduate Programs for BME. He has a broad engineering background, with specific training in instrumentation, optics, biosensor technology, and biomaterials with extensive experience in micro/nanofabrication for smart materials.

Prior to joining Texas A&M, Professor McShane was on the faculty of Louisiana Tech University from 1999 to 2006 (Biomedical Engineering and the Institute for Micromanufacturing).

Over the past 20 years, Prof. McShane has pioneered the use of micro/nanoparticles, capsules, and polymer-particle composites for development of optical biosensing systems, including some being evaluated for inclusion in commercial products. This research is primarily funded by the US National Science Foundation (NSF), National Institutes of Health (NIH), and private companies, and has resulted in approximately 100 journal papers and book chapters.

Professor McShane is a fellow of AIMBE, a Senior Member of IEEE, and President of the IEEE Sensors Council (2016-2017).

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