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Your search keyword '"Choi, Hongsoo"' showing total 5 results
Start Over Author "Choi, Hongsoo" Journal advanced functional materials
5 results on '"Choi, Hongsoo"'

1. 3D Printed Template‐Assisted Casting of Biocompatible Polyvinyl Alcohol‐Based Soft Microswimmers with Tunable Stability

Author

Sanchis‐Gual, Roger, primary, Ye, Hao, additional, Ueno, Towa, additional, Landers, Fabian C., additional, Hertle, Lukas, additional, Deng, Siyu, additional, Veciana, Andrea, additional, Xia, Yanming, additional, Franco, Carlos, additional, Choi, Hongsoo, additional, Puigmartí‐Luis, Josep, additional, Nelson, Bradley J., additional, Chen, Xiang‐Zhong, additional, and Pané, Salvador, additional

Published
2023
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2. 3D‐Printed Soft Magnetoelectric Microswimmers for Delivery and Differentiation of Neuron‐Like Cells

Author

Dong, Mei, primary, Wang, Xiaopu, additional, Chen, Xiang‐Zhong, additional, Mushtaq, Fajer, additional, Deng, Siyu, additional, Zhu, Caihong, additional, Torlakcik, Harun, additional, Terzopoulou, Anastasia, additional, Qin, Xiao‐Hua, additional, Xiao, Xuanzhong, additional, Puigmartí‐Luis, Josep, additional, Choi, Hongsoo, additional, Pêgo, Ana Paula, additional, Shen, Qun‐Dong, additional, Nelson, Bradley J., additional, and Pané, Salvador, additional

Published
2020
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5. Dumbbell Fluidic Tweezers for Dynamical Trapping and Selective Transport of Microobjects.

Author

Zhou, Qi, Petit, Tristan, Choi, Hongsoo, Nelson, Bradley J., and Zhang, Li

Subjects
NANOWIRES, FLUIDIC devices, MICROROBOTS, MAGNETIC actuators, FERROMAGNETIC materials
Abstract

Mobile microvortices generated by rotating nickel (Ni) nanowires (NW) have been reported as capable of inducing fluidic trapping that can be precisely focused and translated to manipulate microobjects. Here, a new design for significantly enhanced fluidic trapping is reported, which is a dumbbell (DB)-shaped magnetic actuator, assembled by a Ni NW and two polystyrene microbeads. In contrast to the single mode of tumbling trapping possessed by Ni NW, the magnetic dumbbell is able to perform dynamical trapping and implement on-demand transport of microobjects in three modes, i.e., tumbling, wobbling, and rolling. Experiments are conducted to demonstrate the robustness and efficacy of the fluidic trap by the DB actuator. And simulations using a finite element model compare the fluidic traps induced by NW and DB, followed by further discussion on the actuation and transport efficiency of NW and DB fluidic tweezers (FT). At last, some practical issues regarding the application of DB FT are addressed. [ABSTRACT FROM AUTHOR]

Published
2017
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