The Micro-Nano Innovation Lab ("mini lab") investigates multidisciplinary approaches to develop new intelligent sensing and robotic strategies in micro/nano scales.

Head of Group

Dr Jang Ah Kim

B414A Bessemer Building
South Kensington Campus

 

What we do

The Micro-Nano Innovation Lab ("mini lab") investigates multidisciplinary approaches to develop new intelligent sensing and robotic strategies in micro/nano scales. We study nanotechnology, light-matter interactions, micro-particle dynamics, microscale fluid dynamics, and bioengineering to reach our goal. The research involves the design and manufacture of micro/nano systems for diagnostics (e.g. infections, cancer, neurodegenerative diseases) and microscopic therapies/surgeries (e.g. localised drug delivery, novel minimally invasive procedures).

Why it is important?

Timely identification of illnesses, less intrusive interventions, and precise/personalised treatments in challenging areas within our bodies, like narrow blood vessels, are essential technologies for improved healthcare management. The foundation for empowering these technologies lies in the development of devices capable of sensitively detecting disruptions in microenvironments that impact normal physiology and of precisely addressing these issues via targeted drug delivery, surgery, etc. at the cellular and molecular levels (micro/nano scales). Understanding the pathophysiology and engineering of the designs and functionalities of such devices accordingly is, thus, vital to enhancing current medical technology. Also, this has the potential to drive the development of advanced medical micro-robots with integrated sensing and therapeutic capabilities, offering new opportunities for future advancements in healthcare.

How can it benefit patients?

Early detection of diseases followed by minimally invasive, targeted and personalised therapy can have evident advantages for patients in terms of prognosis, health management, and economic implications. First, it can reduce excessive physical and biochemical alterations to the microenvironments, e.g., scarring after resection, antimicrobial resistance after antibiotics administration, etc., offering a better prognosis with fewer side effects. Micro/nanodevices can also be engineered to be implantable, enabling long-term health monitoring and treatment. Finally, the localised and precise manner of the technology allows efficient planning of the optimal procedures and accurate dosage, resulting in reduced cost.

Meet the team

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  • Journal article
    Qin H, Xu Y, Kim J, Hwang T, Kim Tet al., 2014,

    The effect of structure on the photoactivity of a graphene/TiO<inf>2</inf> composite

    , Materials Science and Engineering: B, Vol: 184, Pages: 72-79, ISSN: 0921-5107

    Graphene/TiO2 composites have been investigated as promising novel photoactive materials. Graphene can slow the recombination of electron-hole pairs and act as a strong electron-collector in the graphene/TiO2 composite system. We designed and prepared four different structures of graphene/TiO2 composite film by chemical vapor deposition (CVD) and aerosol technique. The structure of the graphene/TiO2 composite had a significant effect on the photoactive properties, including the photocurrent and resistance under UV illumination. For the different composite structures, the presence of oxygen and water molecules, as well as the photo-generated electron collection efficiency, were the key factors that affect the photoactive properties. More importantly, the composite structure was a decisive factor for the stability of photocurrent and resistance. The composite of reduced graphene oxide (RGO) and TiO2 with irregularly stacked structure had a higher and stable photoresponse. This study could provide a basis for the structural design of photoelectrical devices based on graphene/TiO2. © 2014 Elsevier B.V. All rights reserved.
  • Conference paper
    Kim JA, Qin H, Hwang T, Kim HU, Atul K, Kim Tet al., 2014,

    Novel environmental monitoring sensor technologies with fiber optics and various sensing layers

    In this study, we have suggested various sensors for aerosol, VOCs (volatile organic compounds), and biomolecules detecting with diverse sensing layers such as, tetraethylorthosilicate (TEOS), thymol blue, polypyrrole, graphene, graphene oxide (GO), reduced graphene oxide (rGO), DNA, and so on. Every sensors have shown very interesting sensing characteristics with good performances. Steadily, we are proceeding various fiber optic sensors with fascinating sensing layers and mechanisms as well.
  • Conference paper
    Kim JA, Hwang T, Dugasani SR, Atul K, Park SH, Kim Tet al., 2014,

    Functional Graphene Composite Films for Surface Plasmon Resonance Sensor Technology

    , 13th IEEE Sensors Conference, Publisher: IEEE, ISSN: 1930-0395
  • Journal article
    Gnapareddy B, Kim JA, Dugasani SR, Tandon A, Kim B, Bashar S, Choi JA, Joe GH, Kim T, Ha TH, Park SHet al., 2014,

    Fabrication and characterization of PNA-DNA hybrid nanostructures

    , RSC ADVANCES, Vol: 4, Pages: 35554-35558, ISSN: 2046-2069
  • Conference paper
    Hwang T, Kim JA, 2014,

    Glucose Waveguide Sensor Based on Graphene

    , 13th IEEE Sensors Conference, Publisher: IEEE, ISSN: 1930-0395
  • Journal article
    Kim JA, Hwang T, Dugasani SR, Amin R, Kulkarni A, Park SH, Kim Tet al., 2013,

    Graphene based fiber optic surface plasmon resonance for bio-chemical sensor applications

    , SENSORS AND ACTUATORS B-CHEMICAL, Vol: 187, Pages: 426-433, ISSN: 0925-4005
  • Journal article
    Hwang T, Kim JA, Kulkarni A, Kim Tet al., 2013,

    Graphene photo detector with integrated waveguide biochemical sensors

    , SENSORS AND ACTUATORS B-CHEMICAL, Vol: 187, Pages: 319-322, ISSN: 0925-4005
  • Journal article
    Kulkarni A, Kim B, Dugasani SR, Joshirao P, Kim JA, Vyas C, Manchanda V, Kim T, Park SHet al., 2013,

    A novel nanometric DNA thin film as a sensor for alpha radiation

    , SCIENTIFIC REPORTS, Vol: 3, ISSN: 2045-2322
  • Journal article
    Samal M, Mohapatra P, Subbiah R, Lee C-L, Anass B, Kim JA, Kim T, Yi DKet al., 2013,

    InP/ZnS-graphene oxide and reduced graphene oxide nanocomposites as fascinating materials for potential optoelectronic applications

    , NANOSCALE, Vol: 5, Pages: 9793-9805, ISSN: 2040-3364
  • Journal article
    Some S, Kim J, Lee K, Kulkarni A, Yoon Y, Lee S, Kim T, Lee Het al., 2012,

    Highly air-stable phosphorus-doped n-type graphene field-effect transistors.

    , Adv Mater, Vol: 24, Pages: 5481-5486

    Phosphorus-doped double-layered graphene field-effect transistors (PDGFETs) show much stronger air-stable n-type behavior than nitrogen-doped double-layered graphene FETs (NDGFETs), even under an oxygen atmosphere, due to strong nucleophilicity, which may lead to real applications for air-stable n-type graphene channels.

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