Bioadhesive interface for marine sensors on diverse soft fragile species

Camilo Duque Londono, Seth F. Cones, Jue Deng, Jingjing Wu, Hyunwoo Yuk, David E. Guza, T. Aran Mooney () and Xuanhe Zhao ()
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Camilo Duque Londono: Massachusetts Institute of Technology
Seth F. Cones: Massachusetts Institute of Technology and Woods Hole Oceanographic Institution Joint Program in Oceanography/Applied Ocean Science & Engineering
Jue Deng: Massachusetts Institute of Technology
Jingjing Wu: Massachusetts Institute of Technology
Hyunwoo Yuk: Massachusetts Institute of Technology
David E. Guza: Applied Engineering Solutions LLC
T. Aran Mooney: Woods Hole Oceanographic Institution
Xuanhe Zhao: Massachusetts Institute of Technology

Nature Communications, 2024, vol. 15, issue 1, 1-10

Abstract: Abstract Marine animals equipped with sensors provide vital information for understanding their ecophysiology and collect oceanographic data on climate change and for resource management. Existing methods for attaching sensors to marine animals mostly rely on invasive physical anchors, suction cups, and rigid glues. These methods can suffer from limitations, particularly for adhering to soft fragile marine species such as squid and jellyfish, including slow complex operations, unreliable fixation, tissue trauma, and behavior changes of the animals. However, soft fragile marine species constitute a significant portion of ocean biomass (>38.3 teragrams of carbon) and global commercial fisheries. Here we introduce a soft hydrogel-based bioadhesive interface for marine sensors that can provide rapid (time 160 J m−2), and non-invasive adhesion on various marine animals. Reliable and rapid adhesion enables large-scale, multi-animal sensor deployments to study biomechanics, collective behaviors, interspecific interactions, and concurrent multi-species activity. These findings provide a promising method to expand a burgeoning research field of marine bio-sensing from large marine mammals and fishes to small, soft, and fragile marine animals.

Date: 2024
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DOI: 10.1038/s41467-024-46833-4

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