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Injectable and retrievable soft electronics

Liquid bioelectronics based on a permanent fluidic magnet made from three-dimensional assembled magnetic colloidal particles can be injected into the surface of the heart for cardiovascular monitoring and subsequently retrieved after use.

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Fig. 1: PFM-based injectable and retrievable liquid bioelectronics.


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Correspondence to Wei Gao.

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Li, J., Xu, Y. & Gao, W. Injectable and retrievable soft electronics. Nat. Mater. 23, 591–593 (2024).

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