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In this work, biocompatible magnetic bionanocomposite films are fabricated from chitosan by film casting with incorporation of magnetite nanoparticles (MNPs) produced by facile one pot synthesis. The influence of synthesis conditions and MNP concentration on the films\u2019 heating efficiency and heat dissipation are evaluated through spatio\u2010temporal mapping of the surface temperature changes by video\u2010thermography. The cast films have a thickness below 100\u00a0\u00b5m, and upon exposure to AMF (663\u00a0kHz, 12.8 kA m<jats:sup>\u22121<\/jats:sup>), induce exceptionally strong heating, reaching a maximum temperature increase of 82 \u00b0C within 270 s irradiation. Further, it is demonstrated that the films can serve as substrates that supply heat for multiple hyperthermia scenarios, including: i) non\u2010contact automated heating of cell culture medium, ii) heating of gelatine\u2010based hydrogels of different shapes, and iii) killing of cancerous melanoma cells. The films are versatile components for non\u2010contact stimulus with translational potential in multiple biomedical applications.<\/jats:p>","DOI":"10.1002\/adhm.202303861","type":"journal-article","created":{"date-parts":[[2023,12,2]],"date-time":"2023-12-02T14:28:30Z","timestamp":1701527310000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Magnetic Chitosan Bionanocomposite Films as a Versatile Platform for Biomedical Hyperthermia"],"prefix":"10.1002","volume":"13","author":[{"given":"Ana","family":"Barra","sequence":"first","affiliation":[{"name":"Department of Materials and Ceramic Engineering CICECO \u2013 Aveiro Institute of Materials University of Aveiro  Aveiro 3810\u2014193 Portugal"},{"name":"Materials Science Institute of Madrid CSIC  c\/Sor Juana In\u00e9s de la Cruz 3 Madrid 28049 Spain"}]},{"given":"Jacek K.","family":"Wychowaniec","sequence":"additional","affiliation":[{"name":"School of 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