Fiber Bragg grating based temperature profiling in ferromagnetic nanoparticles-enhanced radiofrequency ablation

Madina Jelbuldina, Alina V. Korobeinyk, Sanzhar Korganbayev, Vassilis J. Inglezakis, Daniele Tosi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In this work, we report the real-time temperature profiling performed with a fiber Bragg grating (FBG) sensing system, applied to a ferromagnetic nanoparticles (NP)-enhanced radiofrequency ablation (RFA) for interventional cancer care. A minimally invasive RFA setup has been prepared and applied ex vivo on a liver phantom; NPs (with concentrations of 5 and 10 mg/mL) have been synthesized and injected within the tissue prior to ablation, in order to facilitate the heat distribution to the peripheral sides of the treated tissue. A network of 15 FBG sensors has been deployed in situ in order to detect the parenchymal temperature distribution and estimate the thermal profiles in real time during the ablation, highlighting the impact of the NPs on the RFA mechanism. The results confirm that NP-enhanced ablation with 5 mg/mL density shows a better heat penetration that a standard RFA achieving an almost double-sized lesion, while a higher density (10 mg/mL) does not improve the heat distribution. Thermal data are reported highlighting both spatial and temporal gradients, evaluating the capability of NPs to deliver sufficient heating to the peripheral sides of the tumor borders.

Original languageEnglish
Pages (from-to)145-152
Number of pages8
JournalOptical Fiber Technology
Volume43
DOIs
Publication statusPublished - Jul 1 2018

Fingerprint

Fiber Bragg gratings
Ablation
Nanoparticles
Temperature
Tissue
Liver
Tumors
Temperature distribution
Hot Temperature
Heating
Sensors

Keywords

  • Ferromagnetic nanoparticles
  • Fiber Bragg grating (FBG)
  • Fiber optic sensors (FOS)
  • Radiofrequency ablation
  • Temperature monitoring

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

Fiber Bragg grating based temperature profiling in ferromagnetic nanoparticles-enhanced radiofrequency ablation. / Jelbuldina, Madina; Korobeinyk, Alina V.; Korganbayev, Sanzhar; Inglezakis, Vassilis J.; Tosi, Daniele.

In: Optical Fiber Technology, Vol. 43, 01.07.2018, p. 145-152.

Research output: Contribution to journalArticle

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