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Micromachines
Volume 12
Issue 5
10.3390/mi12050574
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Article

Printing a Pacinian Corpuscle: Modeling and Performance

by
Kieran Barrett-Snyder
1,2,
Susan Lane
1,
Nathan Lazarus
1,
W. C. Kirkpatrick Alberts
1 and
Brendan Hanrahan
1,*
1
Sensors and Electron Devices Directorate, U.S. Army Research Laboratory, Adelphi, MD 20783, USA
2
Electrical and Computer Engineering, University of California, Santa Cruz, CA 95064, USA
*
Author to whom correspondence should be addressed.
Micromachines 2021, 12(5), 574; https://doi.org/10.3390/mi12050574
Submission received: 19 April 2021 / Revised: 14 May 2021 / Accepted: 16 May 2021 / Published: 18 May 2021
(This article belongs to the Special Issue Biomaterials and Biomanufacturing)
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Abstract

The Pacinian corpuscle is a highly sensitive mammalian sensor cell that exhibits a unique band-pass sensitivity to vibrations. The cell achieves this band-pass response through the use of 20 to 70 elastic layers entrapping layers of viscous fluid. This paper develops and explores a scalable mechanical model of the Pacinian corpuscle and uses the model to predict the response of synthetic corpuscles, which could be the basis for future vibration sensors. The −3dB point of the biological cell is accurately mimicked using the geometries and materials available with off-the-shelf 3D printers. The artificial corpuscles here are constructed using uncured photoresist within structures printed in a commercial stereolithography (SLA) 3D printer, allowing the creation of trapped fluid layers analogous to the biological cell. Multi-layer artificial Pacinian corpuscles are vibration tested over the range of 20–3000 Hz and the response is in good agreement with the model.
Keywords: 3D printing; soft robotics; vibration sensing; biomimetic 3D printing; soft robotics; vibration sensing; biomimetic

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MDPI and ACS Style

Barrett-Snyder, K.; Lane, S.; Lazarus, N.; Alberts, W.C.K.; Hanrahan, B. Printing a Pacinian Corpuscle: Modeling and Performance. Micromachines 2021, 12, 574. https://doi.org/10.3390/mi12050574

AMA Style

Barrett-Snyder K, Lane S, Lazarus N, Alberts WCK, Hanrahan B. Printing a Pacinian Corpuscle: Modeling and Performance. Micromachines. 2021; 12(5):574. https://doi.org/10.3390/mi12050574

Chicago/Turabian Style

Barrett-Snyder, Kieran, Susan Lane, Nathan Lazarus, W. C. Kirkpatrick Alberts, and Brendan Hanrahan. 2021. "Printing a Pacinian Corpuscle: Modeling and Performance" Micromachines 12, no. 5: 574. https://doi.org/10.3390/mi12050574

APA Style

Barrett-Snyder, K., Lane, S., Lazarus, N., Alberts, W. C. K., & Hanrahan, B. (2021). Printing a Pacinian Corpuscle: Modeling and Performance. Micromachines, 12(5), 574. https://doi.org/10.3390/mi12050574

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