Magnetic field generating inductor for cancer hyperthermia research

V. Nemkov, R. Ruffini, R. Goldstein, J. Jackowski, Theodore DeWeese, Robert Ivkov

Research output: Contribution to journalArticle

Abstract

Purpose - The purpose of this paper is to continue studies previously reported with the primary focus of optimizing an inductor design. The potential benefits of hyperthermia for cancer therapy, particularly metastatic cancers of the prostate, may be realized by the use of targeted magnetic nanoparticles that are heated by alternating magnetic fields (AMFs). Design/methodology/approach - To further explore the potential of this technology, a high-throughput cell culture treatment system is needed. The AMF requirements for this research present challenges to the design and manufacture of an induction system because a high flux density field at high frequency must be created in a relatively large volume. Additional challenges are presented by the requirement that the inductor must maintain an operating temperature between 35 and 39C with continuous duty operation for 1 h or longer. Results of simulation and design of two devices for culture samples and for ITin vitro/IT tests of multiple samples in uniform field are described. Findings - The inductor design chosen provides a uniform distribution of relatively high magnetic field strength while providing an optimal reduction in the voltage and power requirement. Through development of design and selection of magnetic concentrator, the exposure of the cell cultures to the heat generated by the inductor is minimized. Originality/value - This method of generating uniform high AC magnetic fields in a large volume is beneficial for the study of hyperthermia in cells for a high throughput, necessary for cancer treatment research.

Original languageEnglish (US)
Pages (from-to)1626-1636
Number of pages11
JournalCOMPEL - The International Journal for Computation and Mathematics in Electrical and Electronic Engineering
Volume30
Issue number5
DOIs
StatePublished - 2011

Fingerprint

Hyperthermia
Cancer
Magnetic Field
Magnetic fields
Cell Culture
High Throughput
Requirements
Cell culture
Magnetic Nanoparticles
Concentrator
Throughput
Uniform distribution
Oncology
Therapy
Design Methodology
Proof by induction
Continue
Heat
Voltage
Design

Keywords

  • Cancer treatment
  • Heat measurement
  • Hyperthermia
  • Induction
  • Magnetic concentrator
  • Magnetic fields
  • Nanoparticles

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Science Applications
  • Computational Theory and Mathematics
  • Applied Mathematics

Cite this

Magnetic field generating inductor for cancer hyperthermia research. / Nemkov, V.; Ruffini, R.; Goldstein, R.; Jackowski, J.; DeWeese, Theodore; Ivkov, Robert.

In: COMPEL - The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, Vol. 30, No. 5, 2011, p. 1626-1636.

Research output: Contribution to journalArticle

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