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Haogang Cai

Postdoctoral Appointee


Postdoctoral Appointee (Supervisor, Dr. Daniel Lopez)

Haogang Cai received his Ph.D. degree in Mechanical Engineering from Columbia University in 2016. His thesis work was on nanofabricated single-molecule platforms for mechanobiology studies. After postdoctoral research in Biological Sciences at Columbia University, he joined the Center for Nanoscale Materials at Argonne National Laboratory as a postdoctoral appointee. In the Nanofabrication and Devices Group, his research is focused on metasurface-based planar optics for the visible light. 


Ph.D., Mechanical Engineering, Columbia University, 2016.

Research interests

Metasurfaces, nanophotonics, nanobiotechnology, nanofabrication, micro/nanoelectromechanical systems (MEMS/NEMS).

Selected publications

  1. H. Cai, D. Czaplewski, K. Ogando, A. Martinson, D. Gosztola, L. Stan, D. López. Ultrathin transmissive metasurface for multiwavelength optics in the visible. Applied Physics letters, 114, 071106 (2019).
  2. H. Cai, J. Muller, D. Depoil, V. Mayya, M. L. Dustin, M. P. Sheetz, S. J. Wind. Full control of ligand positioning reveals spatial thresholds for T cell receptor triggering. Nature Nanotechnology, 13, 610 (2018).
  3. H. Cai, D. Depoil, J. Muller, M. P. Sheetz, M. L. Dustin, S. J. Wind. Spatial control of biological ligands on surfaces applied to T cell activation. Book chapter in The Immune Synapse. Methods in Molecular Biology. Humana Press: New York, NY, 1584, 307 (2017).
  4. H. Cai, H. Wolfenson, D. Depoil, M. L. Dustin, M. P. Sheetz, S. J. Wind. Molecular occupancy of nanodot arrays. ACS Nano, 10, 4173 (2016).
  5. H. Cai, S. J. Wind. Improved glass surface passivation for single-molecule nanoarrays. Langmuir, 32, 10034 (2016).
  6. H. Cai, D. Depoil, M. Palma, M. L. Dustin, M. P. Sheetz, S. J. Wind. Bifunctional nanoarrays for probing the immune response at the single-molecule level. Journal of Vacuum Science and Technology B, 31, 6F902 (2013).
  7. H. Cai, Z. Yang, G. Ding, H. Wang. Development of a novel MEMS inertial switch with a compliant stationary electrode. IEEE Sensors Journal, 9, 801 (2009).
  8. H. Cai, G. Ding, Z. Yang, Z. Su, J. Zhou, H. Wang. Design, simulation and fabrication of a novel contact-enhanced MEMS inertial switch with a movable contact point. Journal of Micromechanics and Microengineering, 18, 115033 (2008).