Micro-Nano Innovation

The Micro-Nano Innovation Lab ("mini lab") @Hamlyn investigates and utilises light-matter interactions to develop new intelligent sensing and robotic strategies in micro/nano scales.

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Dr Jang Ah Kim

Research lab info

What we do

The Micro-Nano Innovation Lab ("mini lab") @Hamlyn investigates and utilises light-matter interactions to develop new intelligent sensing and robotic strategies in micro/nano scales. The research involves designing and fabricating micro/nanostructures for diagnostics (e.g. infections, cancer, neurodegenerative diseases) and microscopic therapies/surgeries (e.g. localised drug delivery, novel minimally invasive treatment).

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  • Journal article
    Kim JA, Kulkarni A, Kang J, Amin R, Choi J-B, Park SH, Kim Tet al., 2012,

    Evaluation of Multi-Layered Graphene Surface Plasmon Resonance-Based Transmission Type Fiber Optic Sensor

    , JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, Vol: 12, Pages: 5381-5385, ISSN: 1533-4880
  • Conference paper
    Kim J, Kasture M, Hwang T, Kulkarni A, Amin R, Park S, Kim T, Gosavi Set al., 2012,

    Graphene-based waveguides: novel method for detecting biological activity.

    , Pages: 1069-1075

    We demonstrate the fabrication of a biosensor based on graphene coupled with polydimethylsiloxane (PDMS) waveguide. Biosensors work on the principle of local evanescent graphene-coupled wave sensor. It is observed that the evanescent field shifts in the presence of chemical or biological species as evanescent waves are extremely sensitive to a change in refractive index. This method helps to monitor the target analyte by attaching the selective receptor molecules to the surface of the PDMS optical waveguide resulting in its optical intensity distribution shift. We monitor the electrical properties of graphene in the dark and under illumination of PDMS waveguide. The changes in photocurrent through the graphene film were monitored for blue, green, and red light. We observed that the fabricated graphene-coupled PDMS optical waveguide sensor is sensitive to visible light for the used bioanalytes.

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