In-vivo biomagnetic characterisation of the American cockroach
Ling-Jun Kong , Herbert Crepaz , Agnieszka Górecka , Aleksandra Urbanek , Rainer Dumke , Tomasz Paterek
AbstractWe 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.
|Journal series||Scientific Reports, ISSN 2045-2322|
|Publication size in sheets||0.5|
|License||Journal (articles only); published final; ; with publication|
|Score|| = 40.0, 15-05-2018, ArticleFromJournal|
= 40.0, 15-05-2018, ArticleFromJournal
|Publication indicators||: 2016 = 4.259 (2) - 2016=4.847 (5)|
* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.