A Biomimetic Human Lung‐on‐a‐Chip with Colorful Display of Microphysiological Breath

Lung‐on‐a‐chip models hold great promise for disease modeling and drug screening. Herein, inspired by the iridescence phenomenon of soap bubbles, a novel biomimetic 3D microphysiological lung‐on‐a‐chip system with breathing visualization is presented. The system, with an array of pulmonary alveoli a...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2022-04, Vol.34 (13), p.e2108972-n/a
Main Authors: Zhu, Yujuan, Sun, Lingyu, Wang, Yu, Cai, Lijun, Zhang, Zhuohao, Shang, Yixuan, Zhao, Yuanjin
Format: Article
Language:English
Subjects:
Air flow
Alveoli
Biomimetics
Biomonitoring
Color
Deformation
idiopathic pulmonary fibrosis
Iridescence
Lungs
lung‐on‐a‐chip
mechanical visualization
microfluidics
Signs and symptoms
structural color
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Summary:Lung‐on‐a‐chip models hold great promise for disease modeling and drug screening. Herein, inspired by the iridescence phenomenon of soap bubbles, a novel biomimetic 3D microphysiological lung‐on‐a‐chip system with breathing visualization is presented. The system, with an array of pulmonary alveoli at the physiological scale, is constructed and coated with structural color materials. Cyclic deformation is induced by regular airflow, resembling the expansion and contraction of the alveoli during rhythmic breathing. As the deformation is accompanied with corresponding synchronous shifts in the structural color, the constructed system offers self‐reporting of the cell mechanics and enables real‐time monitoring of the cultivation process. Using this system, the dynamic relationships between the color atlas and disease symptoms, showing the essential role of mechanical stretching in the phenotypes of idiopathic pulmonary fibrosis, are investigated. These features make this human lung system ideal in biological study, disease monitoring, and drug discovery. Inspired by the structural‐color change behavior of soap bubbles, a novel biomimetic 3D human lung‐on‐a‐chip microsystem, which allows for visual sensing and real‐time monitoring of cellular mechanics, is presented. This model enables modeling of human lung disease, assessment of the dynamic relationships between the color atlas and disease phenotypes, and screening of drugs for potential therapeutics.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.202108972