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Prosenjit Sen

Research Interests

  • Interfacial Microfluidics for Lab-on-Chip & other applications
  • Nanostructures for Self-Cleaning and Anti-Microbial Surfaces
  • Using Interfaces to investigate Cells for Cytometry and Separation of CTC’s
  • 3D Heterogeneous Integration of Micro-Nano Scale Devices for System Scaling


  • Abinash Tripathy, Syama Sreedharan, Chetana Bhaskarla, Shamik Majumdar, Sudheer Kumar Peneti, Dipankar Nandi, Prosenjit Sen, “Enhancing the Bactericidal Efficacy of Nanostructured Multifunctional Surface Using an Ultrathin Metal Coating”, Langmuir, (2017).
  • Shubhi Bansal, Prosenjit Sen, “Axisymmetric and Nonaxisymmetric Oscillations of Sessile Compound Droplets in an Open Digital Microfluidic Platform”, Langmuir, (2017).
  • Abinash Tripathy, Prosenjit Sen, Bo Su, Wuge H Briscoe, “Natural and bioinspired nanostructured bactericidal surfaces”, Advances in colloid and interface science, (2017).
  • Saloni Chaurasia, Prosenjit Sen, Navakanta Bhat, “Using dielectric droplets to improve sensitivity of capacitive sensors suitable for tactile sensing”, Nano/Micro Engineered and Molecular Systems (NEMS), 2017 IEEE 12th International Conference, (2017).
  • Seunggeol Ryu, Prosenjit Sen, Youngsuk Nam, Choongyeop Lee, Water Penetration through a Superhydrophobic Mesh During a Drop Impact”, Physical review letters, (2017).
  • Shubhi Bansal, Prosenjit Sen, “Frequency response of a liquid interface segment actuated using AC EWOD”, Emerging Electronics (ICEE), 2016 3rd International Conference, (2016).
  • Krishnadas Narayanan Nampoothiri, Vinod Srinivasan, MS Bobji, Prosenjit Sen, “Active thermal cooling using liquid dielectrophoresis”, Emerging Electronics (ICEE), 2016 3rd International Conference, (2016).
  • Shubhi Bansal, Prosenjit Sen, “Mixing enhancement by degenerate modes in electrically actuated sessile droplets”, Sensors and Actuators B: Chemical, (2016).
  • NP Vamsi Krishna, Prosenjit Sen, “3D die level packaging for hybrid systems”, Interconnect Technology Conference/Advanced Metallization Conference (IITC/AMC), 2016 IEEE International, (2016).
  • Prosenjit Sen, Chang-Jin Kim, “A fast liquid-metal droplet microswitch using EWOD-driven contact-line sliding”, Journal of Microelectromechanical Systems, (2009).
  • Prosenjit Sen, Chang-Jin CJ Kim, “Microscale liquid-metal switches—A review”, IEEE Transactions on Industrial Electronics, (2009).
  • Prosenjit Sen, Chang-Jin “CJ” Kim, “Capillary spreading dynamics of electrowetted sessile droplets in air”, Langmuir, (2009).


  • P. Sen and C.-J. Kim, “Electrostatically Driven High Speed Microdroplet Switch”, Patent pending: PCT/US2008/051094, Jan 2008.
  • C.-J. Kim and P. Sen, “Liquid Supported Stages”, U.S. Provisional Application Serial No 61/244,820, Oct 2009.
  • J. I. Hur, P. Sen and C.-J. Kim, “Microstructured Cathode For Self-Regulated Oxygen Generation And Consumption”, UCLA Invention Report.

Conference and Seminars

  • G. Sun, T. Liu, P.Sen, W. Shen, C. Gudeman, and C.-J. Kim, “Electrostatically driven rotor on conductive liquid ring bearings,” Proceedings of the Solid-State Sensor, Actuator and Microsystems Workshop, Hilton Head, pp.78-81, 2012.
  • T. Liu, P. Sen and C.-J. Kim, “Characterization of Liquid-Metal Galinstan for Droplet Applications”, Proceedings of IEEE Conference on Micro Electro Mechanical Systems, Hong Kong, China 2010.
  • W.C. Nelson, P.Sen and C.-J. Kim, “Resistance of Droplets Sliding by EWOD Actuation”, Proceedings of The 15th International Conference on Solid-State Sensors, Actuators and Microsystems, pp. 2014-2018, Denver, U.S.A. June 2009.
  • P. Sen and C.-J. Kim, “A Liquid-Metal RF MEMS Switch with DC-to-40 GHz Performance”, Proceedings of IEEE International Conference on Micro Electro Mechanical Systems, Sorrento, pp. 904-908, Italy, Jan 2009.
  • P. Sen and C.-J. Kim, “A Fast Liquid-Metal Droplet Switch Using EWOD”, Proceedings of IEEE Conference on Micro Electro Mechanical Systems, Kobe, pp. 767-770, Kobe, Japan, Jan. 2007.
  • P. Sen and C.-J. Kim, “Fringe-Field Actuation for Liquid-Metal Droplets”, Proc. of The 13th International Conference on Solid-State Sensors, Actuators and Microsystems, pp. 705-708, Seoul, Korea, June 2005.