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Proceedings Paper

Remote optical sensing of neuronal tissue vibrations during regeneration
Author(s): Ariel Halevi; Sharon Cohen; Nairous Farah; Asaf Shoval; Orit Shefi; Yossi Mandel; Zeev Zalevsky; Nisan Ozana
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Paper Abstract

In this paper we propose a novel approach for remote speckle-based sensing of mechanical vibrations in the Hirudo medicinalis leech central nervous system (CNS) connective tissue. Using this method, spontaneous vibrations generated at the connective tissue following partial cut injury are continuously and remotely monitored. A laser beam illuminates the connective tissue and back scattered defocused patterns at the far field are captured by the camera. The spatialtemporal spontaneous vibrations of the connective are monitored by tracking the speckle spatial-temporal trajectory. After applying correlation-based analysis we were able to detect these vibrations of the connective tissue during recovery with respect to control measurements. This approach is the first step towards understanding the possible involvement of the tissue movements for the recovering process via mechanical vibrations sensing of the leech CNS connective tissue.

Paper Details

Date Published: 21 February 2020
PDF: 8 pages
Proc. SPIE 11254, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XVII, 112540I (21 February 2020); doi: 10.1117/12.2550119
Show Author Affiliations
Ariel Halevi, Bar-Ilan Univ. (Israel)
Sharon Cohen, Bar-Ilan Univ. (Israel)
Nairous Farah, Bar-Ilan Univ. (Israel)
Asaf Shoval, Bar-Ilan Univ. (Israel)
Orit Shefi, Bar-Ilan Univ. (Israel)
Yossi Mandel, Bar-Ilan Univ. (Israel)
Zeev Zalevsky, Bar-Ilan Univ. (Israel)
Nisan Ozana, Bar-Ilan Univ. (Israel)


Published in SPIE Proceedings Vol. 11254:
Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XVII
Dror Fixler; Ewa M. Goldys, Editor(s)

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