Sanju Thomas

Sanju Thomas


    Accepting PhD Students

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    Personal profile

    Research Interests

    Acoustic resonant (FBAR / SAW) sensors, RF, Analogue CMOS circuit design, CMOS microsensors, smart sensors, Chemical Sensing and Artificial Olfaction, Biosensors, Ultrafine Particle sensing.


    Sanju Thomas received the B.Eng. degree in Electronics & Communications engineering from the Visveswaraiah Technological University, India. He was awarded his M.Sc degree in Biomedical engineering and Ph.D in Microsensors and VLSI Design, from the University of Warwick, U.K. After his PhD work, sanju has also led the research efforts in a collaborative multi-disciplinary EU project (Multisensor Platform) for three years at Warwick University. Later, he has also worked as a Teaching Fellow at Warwick University for a period of 2 years. Sanju has published over 15 technical articles in scientific journals and at several international conferences. He is also a reviewer for Sensors & Actuators A and Sensors Journal.

    PhD Project

    The PhD research was focused on the VLSI integration of acoustic biosensors in CMOS process, to form a hybrid Bio-MEMS System-on-Chip. A miniaturised, smart and label-free cell-based chemoreceiver for artificial insect olfaction, as part of a novel biomimetic infochemical communication system has been designed and developed. A surface acoustic wave based microsensor has been utilized to engineer and develop a chemoreceiver system that mimics the cellular and molecular mechanisms occuring during infochemical detection and decoding in insects. This novel communication system helps in encoding, transmitting and decoding chemical information over distances. The acoustic cell-based sensor  system utilized transfected Olfactory Receptors, Or22a and Or67d with an automated microfluidic ligand delivery system. Additionally, the transmission and recovery of ratiometric information using volatile ratios  was also demonstrated. The discrete sensor drive and interface circuitry was deployed in an analogue VLSI chip implemented in 0.35um CMOS technology, thereby overcoming the associated measurement complexity and equipment cost, in addition to extending the reach and functionality of point  of use technologies.
    Dr Thomas has also worked as a research assistant (post doctoral), where he led the research efforts in a collaborative multi-disciplinary EU project (MSP) for three years. He was involved in co-ordinating and supervising the testing and electro-thermal characterization of sensor arrays and associated circuits. In addition, He has also liaised with other project partners and contributed to project review meetings, journal and conference publications and also new grant proposals.


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