I am a physicist by training and I have graduated from Kyiv National Taras Shevchenko University (Ukraine). Further I have gotten my PhD from Research Center Julich (Germany)  and spend two postdoctoral terms at Cees Dekker lab (TU Delft ) and Michel Orrit lab (Leiden University). My research has always revolved around detection and studying single molecules using various sensing platforms: silicon nanowire field-effect transistors, solid-state nanopores, plasmonic nanopores. Finally at the Lab-on-a-Chip group I am developing new label-free methods to detect and study single biomolecules using interferometric scattering and nanotechnology.  


  • Physics

    • Nanowires
    • Field Effect Transistor
    • Gamma Radiation
    • Liquids
  • Engineering

    • Field-Effect Transistor
    • Si Nanowires
  • Chemistry

    • Molecule
    • Noise



Planar Junctionless Field-Effect Transistor for Detecting Biomolecular InteractionsSensors (Basel, Switzerland), 22(15), Article 5783. Shukla, R. P., Bomer, J. G., Wijnperle, D., Kumar, N., Georgiev, V. P., Singh, A. C., Krishnamoorthy, S., Pascual García, C., Pud, S. & Olthuis, W.https://doi.org/10.3390/s22155783
Photothermal Circular Dichroism of Single Nanoparticles Rejecting Linear Dichroism by Dual ModulationACS nano, 15(10), 16277-16285. Spaeth, P., Adhikari, S., Baaske, M. D., Pud, S., Ton, J. & Orrit, M.https://doi.org/10.1021/acsnano.1c05374
Circular Dichroism Measurement of Single Metal Nanoparticles Using Photothermal ImagingNano letters, 19(12), 8934-8940. Spaeth, P., Adhikari, S., Le, L., Jollans, T., Pud, S., Albrecht, W., Bauer, T., Caldarola, M., Kuipers, L. & Orrit, M.https://doi.org/10.1021/acs.nanolett.9b038531/f noise in solid-state nanopores is governed by access and surface regionsNanotechnology, 30(39), Article 395202. Fragasso, A., Pud, S. & Dekker, C.https://doi.org/10.1088/1361-6528/ab2d35

Research profiles


University of Twente

Carré (building no. 15), room C2409
Hallenweg 23
7522 NH Enschede

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