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Miniaturized Stimulator for Imaging of Live Cell Responses to High Frequency Mechanical Vibration

  • Heidi T. HalonenEmail author
  • Jari A. K. Hyttinen
  • Teemu O. Ihalainen
Conference paper
Part of the IFMBE Proceedings book series (IFMBE, volume 73)

Abstract

Cellular mechanobiology is highly important for tissue development and disease formation. However, lack of proper tools limit investigation of the cellular responses to different mechanical cues. High frequency (HF) vibration has already been applied in different cellular applications, but the knowledge of the stimulation effect on cells is limited. To meet this challenge, we designed a HF vibration stimulator for combined mechanical manipulation of live cells and high-resolution light-microscopy. Our system utilizes a commercial miniaturized speaker to vibrate a 3D printed sample vehicle horizontally. Technical tests demonstrated excellent performance at lower frequencies (30–60 Hz), enabling even high magnitude (HMHF, Gpeak ≥ 1 Gpeak) method. Real-time acceleration measurement and light-microscopy both revealed accurately and precisely produced low magnitude (LMHF, Gpeak < 1 Gpeak) vibrations. With our system, we could observe cellular responses to the LMHF (0.2 Gpeak, 30 Hz) vibration. In this paper, we introduce an inexpensive stimulation platform for the mechanobiology research of different cell applications.

Keywords

High frequency vibration Live cell imaging Mechanotransduction 

Notes

Acknowledgements

This study was funded by Finnish Funding agency for Innovation (TEKES, Human spare parts project), City of Tampere, Instrumentariumin tiedesäätiö s.r. foundation, Finnish Cultural Foundation (The Kainuu Regional Fund), and the Finnish Academy of Science and Letters (Väisälä Foundation).

Conflict of Interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Faculty of Medicine and Health TechnologyTampere UniversityTampereFinland

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