Clifford algebra, Lorentzian geometry, and rational parametrization of canal surfaces. - Hee Cheol Cho; Hyeong In Choi; Song-Hwa Kwon; Doo Seok Lee; Nam-Sook Wee (Comput. Aided Geom. Des., 2004)

Creation of a biological pacemaker by gene- or cell-based approaches. - Eduardo Marbán; Hee Cheol Cho (Medical Biol. Eng. Comput., 2007)

Live demonstration: A 1024-pixel CMOS multi-modality sensing array for cell-based assays. - Jong Seok Park 001; Moez Karim Aziz; Taiyun Chi; Amy Su; Andrew Zhao; Hee Cheol Cho; Mark P. Styczynski; Hua Wang 006 (IEEE SENSORS, 2016)

A high-density CMOS multi-modality joint sensor/stimulator array with 1024 pixels for holistic real-time cellular characterization. - Jong Seok Park 001; Taiyun Chi; Amy Su; Chengjie Zhu; Jung Hoon Sung; Hee Cheol Cho; Mark P. Styczynski; Hua Wang 006 (VLSI Circuits, 2016)

A CMOS 22k-pixel single-cell resolution multi-modality real-time cellular sensing array. - Jong Seok Park 001; Moez Karim Aziz; Sandra Gonzalez; Doohwan Jung; Taiyun Chi; Sensen Li; Hee Cheol Cho; Hua Wang 006 (CICC, 2017)

1024-Pixel CMOS Multimodality Joint Cellular Sensor/Stimulator Array for Real-Time Holistic Cellular Characterization and Cell-Based Drug Screening. - Jong Seok Park 001; Moez Karim Aziz; Sensen Li; Taiyun Chi; Sandra Ivonne Grijalva; Jung Hoon Sung; Hee Cheol Cho; Hua Wang 006 (IEEE Trans. Biomed. Circuits Syst., 2018)

A 21952-Pixel Multi-Modal CMOS Cellular Sensor Array with 1568-Pixel Parallel Recording and 4-Point Impedance Sensing. - Doohwan Jung; Jong Seok Park 001; Gregory Villiam Junek; Sandra Ivonne Grijalva; Sagar R. Kumashi; Adam Y. Wang; Sensen Li; Hee Cheol Cho; Hua Wang 006 (VLSI Circuits, 2019)

28.4 A CMOS Multimodality In-Pixel Electrochemical and Impedance Cellular Sensing Array for Massively Paralleled Synthetic Exoelectrogen Characterization. - Doohwan Jung; Sagar Ramesh Kumashi; Jong Seok Park 001; Sara Tejedor Sanz; Sandra Ivonne Grijalva; Adam Y. Wang; Sensen Li; Hee Cheol Cho; Caroline Ajo-Franklin; Hua Wang 006 (ISSCC, 2020)

A CMOS 21 952-Pixel Multi-Modal Cell-Based Biosensor With Four-Point Impedance Sensing for Holistic Cellular Characterization. - Doohwan Jung; Gregory Villiam Junek; Jong Seok Park 001; Sagar R. Kumashi; Adam Y. Wang; Sensen Li; Sandra Ivonne Grijalva; Natasha Fernandez; Hee Cheol Cho; Hua Wang 006 (IEEE J. Solid State Circuits, 2021)

A CMOS Multi-Modal Electrochemical and Impedance Cellular Sensing Array for Massively Paralleled Exoelectrogen Screening. - Sagar R. Kumashi; Doohwan Jung; Jong Seok Park 001; Sara Tejedor Sanz; Sandra Ivonne Grijalva; Adam Y. Wang; Sensen Li; Hee Cheol Cho; Caroline Ajo-Franklin; Hua Wang 006 (IEEE Trans. Biomed. Circuits Syst., 2021)