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SUMMARY:ECE Seminar: Sunwoo Lee
DESCRIPTION:ECE Seminar: Autonomous Microsystems Based on Heterogeneously Integrated CMOS for Biological Big Data \nSunwoo Lee \nLocation: 442 Dana or Zoom Link \nAbstract: Minimally invasive and chronic physiological monitoring can provide an effective means of disease prevention and early detection while the cumulative big data can unveil hidden patterns in our physiology. Yet\, current physiological monitoring tools are often bulky\, invasive\, and expensive\, limiting their sensitivity and applicability. In this talk\, I will discuss autonomous microsystems based on heterogeneously integrated CMOS\, a platform on which ideal physiological sensors and actuators can be built.\nA micro-scale optoelectronically transduced electrode (MOTE)\, an exemplary microsystem I have designed and built for tetherless neural recording\, is powered and communicates optically through a vertically integrated AlGaAs micro-scale light emitting diode (µLED)\, eliminating the needs for a battery or a RF coil; the MOTE is smaller than a human hair (~60 µm × 30 µm × 330 µm) and weighs about one 1 µg (cf. a grain of sand is about 670 µg). I will review the unique challenges and considerations in developing such heterogeneous systems in terms of device fabrication\, circuit design\, integration\, and handling/manipulation.\nWhile the MOTE is designed for neural recording\, its design methodologies can also be used to monitor other physiological parameters such as temperature\, pH\, glucose-level\, etc. I will introduce future autonomous microsystems with expanded modalities and how to interface them with existing wearables. As such microsystems become more accessible\, the resulting biological big data will help enable personalized healthcare and produce a physiological ‘digital twin’ (like the architectural digital twins of select cities) that can add a new dimension to epidemiological and aging studies. \nBio: Sunwoo Lee (Member\, IEEE) received the B.S. degree in Electrical and Computer Engineering from Cornell University\, Ithaca\, NY in 2010\, and the M.S. and Ph.D. degrees in Electrical Engineering from Columbia University\, New York\, NY in 2012 and 2016\, respectively\, working on graphene synthesis and graphene-based nano-electro-mechanical systems for signal processing and sensing applications. In 2016\, he joined the Molnar Group in the School of Electrical and Computer Engineering at Cornell University as a post-doctoral researcher and has been working on heterogeneously integrated CMOS for physiological monitoring. Sunwoo was a recipient of Qualcomm Innovation Fellowship (QInF) 2012 as well as QInF 2013\, and a recipient of Pi-Star Award for Young Researcher Presentation at CARBONHAGEN 2015.
URL:https://coe.northeastern.edu/event/ece-seminar-sunwoo-lee/
LOCATION:442 Dana\, 360 Huntington Ave\, 442 DA\, Boston\, MA\, 02115\, United States
GEO:42.3387508;-71.0923044
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