2021
DOI: 10.1016/j.mee.2020.111466
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Swimming force characterizations of multistaged bi-helical microswimmer and 3D vortex trap manipulation

Abstract: Vortex trap manipulation of microscopic objects in three-dimensions by helical microswimmers has a great potential towards non-contact biological cell manipulation or microassembly. However, in the current state-of-the-art, it has been limited in 2D manipulation due to the conflicting characteristics of optimizing the trapping force and propulsion force. In this paper, we propose a new design of the helical microswimmers enabling purely non-contact, selective and 3D vortex trap micromanipulation.

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Cited by 6 publications
(4 citation statements)
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“…We compared the measured mass with the calculated mass estimated in our previous work [23]. In all the 6 models, the measured mass and the calculated one correspond well but with offset errors.…”
Section: A Mass Measurement By Resonant Frequency Shiftmentioning
confidence: 72%
See 1 more Smart Citation
“…We compared the measured mass with the calculated mass estimated in our previous work [23]. In all the 6 models, the measured mass and the calculated one correspond well but with offset errors.…”
Section: A Mass Measurement By Resonant Frequency Shiftmentioning
confidence: 72%
“…Our previous works demonstrated 2D non-contact micromanipulation based on the vortex trap generated by rotating helical microswimmers [12]. It was recently extended to 3D non-contact manipulation by further elaborating and optimizing the design of the helical microswimmers [23]. Here we experimentally measured the mass of the 6 different modes of such 3D helical microswimmers and integrated each of them to microfluidics by AFM Hydrodynamic manipulation of microparticle by vortical flow generated from rotating microhelix.…”
Section: Swimming and Non-contact Micromanipulationmentioning
confidence: 96%
“…[63,90] Apart from that, microswimmer systems employing in addition noncontact manipulation strategies via the generation of hydrodynamic vortices were developed, offering more flexibility toward the requirements of the cargo. [91] Using acoustic and magnetic actuation Mohanty et al presented a microrobot mimicking the fluid expulsion mechanism of cephalopods. [92] By acoustic power modulation, the microrobot can grasp nearby objects and release them at destined locations.…”
Section: Applications Of Mobile Microswimmers and Microrobotsmentioning
confidence: 99%
“…[23] These organelles play a significant role in cell growth and development, so they cannot be injured. [24][25][26] There are some factors for cell viability (e.g., mechanical stress, transmembrane potential, joule heat, and shear force), [7,[27][28][29][30] which need to be taken care during manipulation. Second, cells are multilayer structures exhibiting different physical and chemical properties compared with particles.…”
Section: Introductionmentioning
confidence: 99%