Selected Publications

† co-first author, * corresponding author


  1. R. Changede†, H. Cai,† S. J. Wind, M. P. Sheetz. Integrin nanoclusters bridge thin matrix fibers to form cell-matrix adhesions. Nature Materials, 2019, 18, 1366. Commented in Nature MaterialsRead more

  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, 2018, 13, 610. Read more

  3. [Book chapter] 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. In The Immune Synapse. Methods in Molecular Biology. Humana Press: New York, NY, 1584, 307 (2017).


  1. H. Cai,* S. Srinivasan, D. Czaplewski, A. Martinson, D. Gosztola, L. Stan, T. Loeffler, S. Sankaranarayanan,* D. López.* Inverse design of metasurfaces with non-local interactions. npj Computational Materials (accepted). 

  2. [US patent] D. Czaplewski, H. Cai, D. López. Ultrathin, polarization-independent, achromatic metalens for focusing visible light, 2020, US 10613254.

  3. 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, 2019, 114, 071106.

Single-molecule nanoarray

  1. H. Cai, H. Wolfenson, D. Depoil, M. L. Dustin, M. P. Sheetz, S. J. Wind. Molecular occupancy of nanodot arrays. ACS Nano, 2016, 10, 4173.

  2. H. Cai, S. J. Wind. Improved glass surface passivation for single-molecule nanoarrays. Langmuir, 2016, 32, 10034.

  3. E. Penzo, M. Palma, R. Wang, H. Cai, M. Zheng, S. J. Wind. Directed assembly of end-functionalized single wall carbon nanotube segments. Nano Letters, 2015, 15, 6547.

  4. 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, 2013, 31, 6F902. Editor's pick


  1. J. Zhou, N. Moldovan, L. Stan, H. Cai, D. Czaplewski, D. López. Approaching the strain-free limit in ultrathin nanomechanical resonators. Nano Letters, 2020.

  2. Z. Yang, H. Cai, G. Ding, H. Wang, X. Zhao. Dynamic simulation of a contact-enhanced MEMS inertial switch in Simulink. Microsystem technologies, 2011, 17, 1329.

  3. Z. Yang, G. Ding, H. Wang, H. Cai, X. Zhao. Modeling, simulation and characterization of a micromachined acceleration switch with anti-stiction raised strips on the substrate. IEEE Transactions on Components, Packaging and Manufacturing Technology, 2011, 1, 1195.

  4. Z. Yang, G. Ding, Z. Zhou, H. Cai, X. Zhao. Analytical model of squeeze film damping for microelectromechanical systems structures with anti-stiction raised strips. Micro & Nano Letters, 2010, 5, 258.

  5. H. Cai, Z. Yang, G. Ding, H. Wang. Development of a novel MEMS inertial switch with a compliant stationary electrode. IEEE Sensors Journal, 2009, 9, 801.

  6. Z. Yang, G. Ding, H. Cai, X. Xu, H. Wang, X. Zhao. Analysis and elimination of the ‘skip contact’ phenomenon in an inertial micro-switch for prolonging its contact time. Journal of Micromechanics and Microengineering, 2009, 19, 045017.

  7. 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, 2008, 18, 115033.

  8. H. Cai, Z. Yang, G. Ding, X. Zhao. Fabrication of a MEMS inertia switch on quartz substrate and evaluation of its threshold acceleration, Microelectronics Journal, 2008, 39, 1112.

  9. Z. Yang, G. Ding, H. Cai, X. Zhao. A MEMS inertia switch with bridge-type elastic fixed electrode for long duration contact”, IEEE Transactions on Electron Devices, 2008, 55, 2492.

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