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Title: In-vivo biomagnetic characterisation of the American cockroach
Authors: Kong, Ling-Jun
Crepaz, Herbert
Górecka, Agnieszka
Urbanek, Aleksandra
Dumke, Rainer
Paterek, Tomasz
Keywords: Magnetorelaxometry
Magnetisation Dynamics
Issue Date: 2018
Source: Kong, L.-J., Crepaz, H., Górecka, A., Urbanek, A., Dumke, R., & Paterek, T. (2018). In-vivo biomagnetic characterisation of the American cockroach. Scientific Reports, 8(1), 5140-.
Series/Report no.: Scientific Reports
Abstract: We present a quantitative method, utilising a highly sensitive quantum sensor, that extends applicability of magnetorelaxometry to biological samples at physiological temperature. The observed magnetic fields allow for non-invasive determination of physical properties of magnetic materials and their surrounding environment inside the specimen. The method is applied to American cockroaches and reveals magnetic deposits with strikingly different behaviour in alive and dead insects. We discuss consequences of this finding to cockroach magneto-reception. To our knowledge, this work represents the first characterisation of the magnetisation dynamics in live insects and helps to connect results from behavioural experiments on insects in magnetic fields with characterisation of magnetic materials in their corpses.
ISSN: 2045-2322
DOI: 10.1038/s41598-018-23005-1
Rights: © 2018 The Author(s) (Nature Publishing Group). This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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