Near-infrared spectroscopy as a tool for marine mammal research and care
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Developments in wearable human medical and sports health trackers has offered new solutions to challenges encountered by eco-physiologists attempting to measure physiological attributes in freely moving animals. Near-infrared spectroscopy (NIRS) is one such solution that has potential as a powerful physio-logging tool to assess physiology in freely moving animals. NIRS is a non-invasive optics-based technology, that uses non-ionizing radiation to illuminate biological tissue and measures changes in oxygenated and deoxygenated hemoglobin concentrations inside tissues such as skin, muscle, and the brain. The overall footprint of the device is small enough to be deployed in wearable physio-logging devices. We show that changes in hemoglobin concentration can be recorded from bottlenose dolphins and gray seals with signal quality comparable to that achieved in human recordings. We further discuss functionality, benefits, and limitations of NIRS as a standard tool for animal care and wildlife tracking for the marine mammal research community.
Ruesch , A , McKnight , J C , Fahlman , A , Shinn-Cunningham , B G & Kainerstorfer , J M 2022 , ' Near-infrared spectroscopy as a tool for marine mammal research and care ' , Frontiers in Physiology , vol. 12 , 816701 . https://doi.org/10.3389/fphys.2021.816701
Frontiers in Physiology
Copyright © 2022 Ruesch, McKnight, Fahlman, Shinn-Cunningham and Kainerstorfer. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
DescriptionThis project was partially funded by the Department for Business, Energy and Industrial Strategy Offshore Energy Strategic Environmental Assessment Programme. Supplementary funding supporting JM was provided by the US Office of Naval Research (ONR) grant nos. N00014-18-1-2062 and N00014-20-1-2709. Supplementary funding supporting AF and JM was provided by the US Office of Naval Research (ONR) grant no. N00014-19-1-2560. Supplementary funding supporting BS-C, JK, and AR was provided by the US Office of Naval Research (ONR) grant no. N00014-19-1-1223.
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