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Issue 13, 2018
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Microfluidic preparation of flexible micro-grippers with precise delivery function

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Abstract

We used microfluidic technology for preparing gas–liquid Janus emulsions; we firstly proposed a one-step preparation method of micro-grippers and then characterized the function of oriented and precise delivery behavior. Because of the enrichment of Fe3O4 nanoparticles, the micro-gripper can reach a speed of 1.5 mm s−1 driven by a magnetic field. The micro-gripper's body is made of a poly(N-isopropylacrylamide) hydrogel, a reversible temperature-responsive polymer. The thermo-sensitivity of hydrogels offers the function of grasping, to closely integrate with the target carried, ensuring the stability of the carrying process. The reversible variation of the hydrogel allows the micro-gripper to be reusable and have a long shelf life.

Graphical abstract: Microfluidic preparation of flexible micro-grippers with precise delivery function

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Publication details

The article was received on 21 Mar 2018, accepted on 18 May 2018 and first published on 21 May 2018


Article type: Communication
DOI: 10.1039/C8LC00293B
Citation: Lab Chip, 2018,18, 1838-1843
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    Microfluidic preparation of flexible micro-grippers with precise delivery function

    Y. Geng, X. Ge, S. Zhang, Y. Zhou, Z. Wang, J. Chen and J. Xu, Lab Chip, 2018, 18, 1838
    DOI: 10.1039/C8LC00293B

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