3D Printed Bioresponsive Devices with Selective Permeability Inspired by Eggshell Membrane for Effective Biochemical Conversion.

ACS Applied Materials & Interfaces
Yale JeonDong Rip Kim

Abstract

Eggshell membrane has selective permeability that enables gas or liquid molecules to pass through while effectively preventing migration of microbial species. Herein, inspired by the architecture of the eggshell membrane, we employ three-dimensional (3D) printing techniques to realize bioresponsive devices with excellent selective permeability for effective biochemical conversion. The fabricated devices show 3D conductive carbon nanofiber membranes in which precultured microbial cells are controllably deployed. The resulting outcome provides excellent selective permeability between chemical and biological species, which enables acquisition of target responses generated by biological species confined within the device upon input signals. In addition, electrically conductive carbon nanofiber networks provide a platform for real-time monitoring of metabolism of microbial cells in the device. The suggested platform represents an effort to broaden microbial applications by constructing biologically programmed devices for desired responses enabled by designated deployment of engineered cells in a securely confined manner within enclosed membranes using 3D printing methods.

References

Mar 10, 2005·Microbiology and Molecular Biology Reviews : MMBR·Alan J Wolfe
Jan 25, 2013·Advanced Materials·Huijie HouGuillermo C Bazan
Dec 6, 2017·Advanced Materials·Xinyue LiuXuanhe Zhao
Dec 8, 2017·Science Advances·Manuel SchaffnerAndré R Studart
Apr 3, 2018·ACS Applied Materials & Interfaces·Abhijit SahaAlshakim Nelson
Feb 1, 2019·Nano Letters·Fang QianSarah E Baker

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