Selective magnetic manipulation
We have developed methods to utilize the localized electromagnetic field to deform the surface of a magnetic liquid to manipulate nonmagnetic particles, and use micro-sharp needles for selective picking and precise manipulation of magnetic microparticles with the presence of other similar particles in a liquid medium. Using micro-sharp magnetic needles, we can selectively pick microparticles just several micrometers away from their neighbor and place them next to each other, or contactless extract selected single particles from a population, separate particles with about ten micrometers gap, independent manipulation particles and deliver them onto separate cells. This method can be used to characterize the localized viscosity of non-newtonian liquid and the mechanical properties of magnetic pillars. Additionally, we can also manipulate particles using two robotic electromagnetic needles cooperatively, and simultaneously manipulating two particles independently.
Selected publications:
- Seon, J.A., Cenev, Z., and Zhou, Q., “Automatic Noncontact Extraction and Independent Manipulation of Magnetic Particles Using Electromagnetic Needle”, IEEE/ASME Transactions on Mechatronics, 25 (2), 931-941, 2020.
- Al-Azawi, A., Cenev, Z., Tupasela, T., Peng, B., Ikkala, O., Zhou, Q., Jokinen, V., Franssila, S. and Ras, R.H., Tunable and Magnetic Thiol–ene Micropillar Arrays, Macromol. Rapid Commun., vol. 41, no. 2, p. 1900522, Nov. 2019.
- Cenev, Z., Zhang, H., Sariola, V., Rahikkala, A., Liu, D., Santos, H.A., and Zhou, Q., “Manipulating Superparamagnetic Microparticles with an Electromagnetic Needle”, Advanced Materials Technologies, 3 (1), 1700177, 2018
- Mohammadi, P., Aranko, S., Lemetti, L., Cenev, Z., Zhou, Q., Virtanen, S., Landowski, C.P., Penttilä, M., Fischer, W.J., Wagermaier, W., Linder, M.B., “Phase transitions as intermediate steps in the formation of molecularly engineered protein fibers”, Communications Biology, 1 (1), 86, 2018.
- Işıtman, O., Bettahar, H. and Zhou, Q., "Non-contact cooperative manipulation of magnetic microparticles using two robotic electromagnetic needles", IEEE Robotics and Automation Letters, 7(2), pp.1605-1611, 2021.
- Isitman, O., Kandemir, H., Alcan, G., Cenev, Z. and Zhou, Q., "Simultaneous and Independent Micromanipulation of Two Identical Particles with Robotic Electromagnetic Needles", 2022 International Conference on Manipulation, Automation and Robotics at Small Scales (MARSS), Toronto, 25-29 July 2022. (Best Robotics Paper)
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