Download - New Electromagnetic Methods and Applications of Antennas in Biomedicinedownloads.hindawi.com/journals/ijap/2008/170242.pdf · Hindawi Publishing Corporation International Journal

Hindawi Publishing CorporationInternational Journal of Antennas and PropagationVolume 2008, Article ID 170242, 1 pagedoi:10.1155/2008/170242

EditorialNew Electromagnetic Methods and Applications ofAntennas in Biomedicine

Tamer Ibrahim,1 Elise Fear,2 and Stuart Crozier3

1 Departments of Radiology and Bioengineering, University of Pittsburgh, Pittsburgh, PA 15213, USA2 Department of Electrical Engineering, Schulich School of Engineering, University of Calgary, AB, Canada T2N1N43 Department of Mathematics, The University of Queensland, Queensland 4072, Australia

Correspondence should be addressed to Tamer Ibrahim, [email protected]

Received 16 July 2008; Accepted 16 July 2008

Copyright © 2008 Tamer Ibrahim et al. This is an open access article distributed under the Creative Commons AttributionLicense, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properlycited.

Electromagnetic devices and techniques are of increasinginterest and clinical utility in a variety of medical applica-tions. Hyperthermia may be utilized to heat tissues usingelectromagnetic fields as part of cancer treatment. Manyclinically available and emerging imaging techniques havealso relied on electromagnetic concepts. Tissue-implanteddevices wirelessly communicate information from the inte-rior to the exterior of the body and vice versa. Devel-oping and optimizing use of these technologies involvesa sophisticated understanding of the interactions betweenelectromagnetic fields and tissues. This encompasses thetheoretical, computational, and experimental challenges.This Special Issue on New Electromagnetic Methods andApplications of Antennas in Biomedicine is devoted toreporting the latest research in this growing interdisciplinaryfield.

In this issue, the first two papers explore approachesto imaging at microwave frequencies for two differentapplications: stroke and breast cancer detection. The thirdpaper examines a practical issue for breast imaging, namely,selection of an appropriate medium to immerse the antennasand breast. A study of antenna performance in immersionmedia is presented in the fourth paper in order to betterunderstand issues such as variations in antenna responsewith immersion depth. The fifth paper presents a designfor ultra-wideband antennas for microwave imaging, andanalyzes the performances of these antennas in a realisticscenario. The sixth paper shifts the focus of the issue fromimaging to tissue-implanted antennas. In the next threepapers, the focus is shifted to magnetic resonance imaging(MRI). Antenna theory is applied to design a radiofrequency

(RF) coil for high-field MRI applications in the seventhpaper. The final two papers report on electromagneticsimulation methods used in MRI. Overall, the papers inthis issue represent a broad spectrum of work in newelectromagnetic methods and applications of antennas inbiomedicine.

We would like to thank many people whose efforts madethis special issue possible. First, we thank the authors fortheir response to our initial call for papers. Second, wethank the team at IJAP for their ongoing support. Finally,we would like to acknowledge the significant contributionsof the reviewers who provided feedback on multiple versionsof the papers.

Tamer IbrahimElise Fear

Stuart Crozier

mailto:[email protected]

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