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Bioelectronic Systems Lab: VLSI Redox Control System
Project Type
Professional Experience
Date
January 2024 - January 2025
Location
New York, NY
Technical Skills
Electrical CAD: PCB and VLSI circuit design and simulation via Cadence Virtuoso and KiCad
Chip Bring-Up and Debug: test planning and setup documentation, ESD prevention, EMI mitigation, root cause analysis
"Soft" Skills
Communication of technical concepts across diverse audiences, project timeline management
Please Note
Due to NDA, I am limited in the technical details and visuals I can share regarding certain projects. However, the content presented below fits the confines of the NDA.
While in Columbia University's Bioelectronic System's lab, one of the projects I had the opportunity to work on was a VLSI chip capable of regulating bioreactors. A bioreactor is an apparatus used typically for industrial scale production of biological reactions that produce desirable products (e.g. it may regulate the behavior of bacteria to produce yogurt). Bacterial behavior in these bioreactors can be controlled by regulating the concentration of chemical signals bacteria use to communicate with one another via applied redox reactions. One issue that arises here is imprecise control of these redox reactions.
This chip was designed to resolve this issue by creating an optically powered and programmed, micron-sized potentiostat capable localized control of bacterial behavior. Alongside two other labmates, we ideated, designed, simulated, redesigned, taped-out, and tested the final design - successfully demoing it to engineers from Apple who sponsored the project. You can read more about it by clicking on the following images!
