Journal Article10.1163/016918611X568611
Precise Control of Magnetically Driven Microtools for Enucleation of Oocytes in a Microfluidic Chip
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TL;DR: This paper presents two innovative driving methodologies using a magnetically driven microtool (MMT) for precise cell manipulations and automation systems that reduce the friction on the MMT effectively and the enucleation of oocytes is demonstrated to show the effectiveness of the method.
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Abstract: This paper presents two innovative driving methodologies using a magnetically driven microtool (MMT) for precise cell manipulations and automation systems. First, magnetic analysis has been conduct...
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Citations
On-chip Microfluidic Multimodal Swimmer toward 3D Navigation
TL;DR: This paper presents a helical microrobot with three different motions, designed to selectively integrate a chip through a microfluidic channel, which could lead to various in-vitro biologic or in- vivo biomedical applications.
Robotic Immobilization of Motile Sperm for Clinical Intracytoplasmic Sperm Injection
Zhuoran Zhang,Changsheng Dai,Jim C. Huang,Xian Wang,Jun Liu,Changhai Ru,Huayan Pu,Shaorong Xie,Junyan Zhang,Sergey I. Moskovtsev,Clifford Librach,Keith Jarvi,Yu Sun +12 more
TL;DR: A robotic system for automated tracking, orientation control, and immobilization of motile sperms for clinical ICSI applications by adapting the probabilistic data association filter for robustly tracking the sperm head and estimating sperm tail positions under interfering conditions.
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On-Chip Enucleation of Bovine Oocytes using Microrobot-Assisted Flow-Speed Control
TL;DR: The proposed new system has the advantages of better operation speed, greater cutting precision, and potential for repeatable enucleation.
Biomimetic soft micro-swimmers: from actuation mechanisms to applications.
TL;DR: In this paper, the development of biomimetic soft tiny swimmers, which are designed based on a variety of intelligent materials and control strategies, is reviewed. And the practical challenges faced by actuation mechanisms of each type of robot, and summarizes and prospects how these challenges affect the potential applications of robots in real environments.
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References
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Jake J. Abbott,Kathrin E. Peyer,Marco Cosentino Lagomarsino,Li Zhang,Lixin Dong,Ioannis K. Kaliakatsos,Bradley J. Nelson +6 more
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TL;DR: In this paper, the authors compare three promising methods of microrobot swimming (using magnetic fields to rotate helical propellers that mimic bacterial flagella, using magnetic forces to oscillate a magnetic head with a rigidly attached elastic tail, and pulling directly with magnetic field gradients) considering practical hardware limitations in the generation of magnetic fields.
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TL;DR: An overview of the field of microrobotics, including the distinct but related topics of micromanipulation andmicrorobots, is provided, while many interesting results have been shown to date.
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Modeling and Experimental Characterization of an Untethered Magnetic Micro-Robot
TL;DR: This work presents the control, performance and modeling of an untethered electromagnetically actuated magnetic micro-robot, which is composed of neodymium—iron—boron and is actuated by a system of six macro-scale electromagnets.
332
Modeling magnetic torque and force for controlled manipulation of soft-magnetic bodies
Jake J. Abbott,Olgaç Ergeneman,Michael P. Kummer,Ann M. Hirt,Bradley J. Nelson +4 more
- 26 Dec 2007
TL;DR: In this paper, the authors calculate the torque and force generated by an arbitrary magnetic field on an axially symmetric soft-magnetic body, and find a maximum possible torque, which can be generated with relatively weak applied fields.
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Optimal realization of arbitrary forces in a magnetic stereotaxis system
TL;DR: The coil current-to-force relationship is developed for this type of machine, and several optimal solutions for realizing an arbitrary static force are presented for various constraints on the orientation of the implanted permanent magnet.