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Measurement of the complex permittivity of microbubbles using a cavity perturbation technique for contrast enhanced ultra-wideband breast cancer detection

Measurement of the complex permittivity of microbubbles using a cavity perturbation technique for contrast enhanced ultra-wideband breast cancer detection

Ogunlade, O., Chen, Yifan and Kosmas, P. (2010) Measurement of the complex permittivity of microbubbles using a cavity perturbation technique for contrast enhanced ultra-wideband breast cancer detection. In: 2010 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC'10. IEEE Computer Society, Piscataway, USA, pp. 6733-6736. ISBN 978424441235 (doi:0.1109/IEMBS.2010.5626016)

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Abstract

Measurements of the complex permittivity of various concentrations of microbubbles in ethylene glycol liquid phantom have been carried out. A cavity perturbation technique using custom rectangular waveguide cavities, which are sensitive to small changes in the permittivity of the perturber, has been employed. Three different frequencies within the ultra-wideband (UWB) frequency spectrum have been used for the experiments. The results show that the concentration of the air filled microbubbles required to achieve a dielectric contrast as little as 2% exceeds the recommended dosage used in clinical ultrasound applications, by more than two orders of magnitude.

Item Type: Conference Proceedings
Title of Proceedings: 2010 Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC'10
Additional Information: This paper forms part of the published proceedings from 2010 32nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBC'10 held at Buenos Aires, Argentina 31 August - 4 September 2010
Uncontrolled Keywords: breast cancer detection, cavity perturbation technique, complex permittivity, contrast-enhanced, dielectric contrasts, different frequency, frequency spectra, bubbles, orders of magnitude
Subjects: Q Science > QA Mathematics
Q Science > QD Chemistry
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Pre-2014 Departments: School of Engineering
Related URLs:
Last Modified: 14 Oct 2016 09:19
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/7615

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