Research
Transparent Neural Electrodes,
Bioelectronics and Beyond
Recording neural activity in the brain is crucial for understanding the intricate structure and behavior of the brain, the most complex organ known. Our focus is on advancing transparent, flexible, and implantable neural electrode arrays, showcasing their effectiveness in electrophysiology, neuroimaging, and optogenetics. We achieve transparency in these electrode arrays through innovative combinations of nanotechnology with cutting-edge materials such as graphene, 2D materials, and organic-inorganic hybrids.
Beyond neural electrodes, our research extends to the development of diverse bioelectronic devices utilizing semiconductor and microfluidic technologies.
Nature Communications, 2014
Nature Protocols, 2016
ACS Nano, 2018
Journal of Neuroscience Methods, 2020
Applied Physics Letters, 2022
Flexible Transistors, Memory, and Logic Devices
Flexible devices are required in various fields such as electronic devices and medical applications. For instance, flexible transistors made on biocompatible Parylene C substrates allow active circuits to be included in flexible biomedical devices. We are studying transistors, memories, and logic circuits needed for these electronic systems.
Our investigations delve into implantable or wearable systems, encompassing flexible transistors, flexible RRAM memory, flexible Charge Trap Flash (CTF) memory, and flexible amplifiers. We leverage advanced materials such as graphene, 2D materials, InGaZnO (IGZO), and organic semiconductors in these endeavors.
Applied Physics Letter, 2015
Applied Physics Letter, 2016
IEEE Electron Device Letters, 2020
IEEE Access, 2022
DNA Aptamer Sensors
Aptamer is single stranded nucleic acid that bind to a specific target molecule. Electronic devices combined with aptamer and microfluidic system allow for detection of biomarkers flowing through a microfluidic channel. The aptamer-based label-free biosensors with high specificity and affinity will be promising next-generation devices.