Biomedical Microdevices

, 20:10 | Cite as

Development of micro mechanical device having two-dimensional array of micro chambers for cell stretching

  • K. Minami
  • T. Hayashi
  • K. Sato
  • T. Nakahara


This paper presents a novel cell stretching micro device having two-dimensional array of micro chambers. It enables an in situ time-lapse observation of stretched cell by using an optical microscope with high measurement efficiency. The presented device consists of a cell culture dish and the array of micro chambers made of silicone elastomer and extension structures made of photocurable resin, and is fabricated with MEMS technology. The fabrication process of the thin micro chamber array combines photoresist mold and lift-off process based on conventional photolithography. The fabricated device has 134 micro chambers in 5μm or less thickness. It was demonstrated that the fabricated micro device could be used to make in-situ time-lapse observation of cell responses to stretching under optical microscopy. In addition, the influence of the chamber thickness to the quality of the microscope image observed was evaluated. It is confirmed that the proposed device having two-dimensional array of the thin micro chambers makes it possible to observe cell response for stretch stimuli with high quality and efficiency.


Cell stretching Mechanical stimulation Cellular response Thin micro chamber Two-dimensional array 



This study was partially funded by JSPS KAKENHI (Grant Number JP26350503), Japan, and a Grant for Biomedical Engineering Research from the Nakatani Foundation, Japan.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018
corrected publication February/2018

Authors and Affiliations

  1. 1.Graduate School of Sciences and Technology for Innovation, Yamaguchi UniversityUbeJapan
  2. 2.Graduate School of Technology, Industrial and Social Sciences, Tokushima UniversityTokushimaJapan

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