Micro/nano robotics and systems to manipulate materials at nano scales; scanning probe microscopy; augmented reality interface to facilitate atomic force microscopy based nano-manipulation and nano-assembly; development of technology to study the structure and functionality of biological membrane and membrane proteins of living cells in situ as well as their roles in drug development; fabrication of MEMS/NEMS, nanodevices, biosensors; control theory and applications, real-time system design, implementation, and integration.