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Examination of zinc ferrites vs. iron oxides as contrast agents for microwave systems

Research output: Chapter in Book/Report/Conference proceedingConference paper

Rachita Lahri, Mohammed Rahman, Javier Hernandez-Gil, Nicholas Long, Panagiotis Kosmas, Maya Thanou

Original languageEnglish
Title of host publication13th European Conference on Antennas and Propagation, EuCAP 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9788890701887
Publication statusPublished - 2019
Event13th European Conference on Antennas and Propagation, EuCAP 2019 - Krakow, Poland
Duration: 31 Mar 20195 Apr 2019


Conference13th European Conference on Antennas and Propagation, EuCAP 2019


King's Authors


Iron oxide nanoparticles are biocompatible nanopar-ticles (NPs) that have the potential to increase the dielectric contrast of targeted tissues, hence assist in microwave imaging as a contrast agent. This study investigates the physico-chemical stability and dielectric properties of iron oxide NPs. Synthesized zinc ferrites were characterised in addition to three commercial iron oxide suspensions. Zinc ferrites were synthesised using a thermal decomposition method and functionalised with a maleated polymer. The nanoparticle's characteristics were analysed for size and metal composition. Zinc ferrites showed higher dielectric contrast compared with the commercial iron oxides.

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