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Kvantovaya Elektronika, 2012, Volume 42, Number 3, Pages 269–276 (Mi qe14674)  

This article is cited in 3 scientific papers (total in 3 papers)

Laser applications and other topics in quantum electronics

In-vitro study of the temperature dependence of the optoacoustic conversion efficiency in biological tissues

S. M. Nikitin, T. D. Khokhlova, I. M. Pelivanov

International Laser Center of Moscow State University
Full-text PDF (597 kB) Citations (3)
References:
Abstract: The applicability of the optoacoustic (OA) method for monitoring temperature during thermal impact on biological tissues is studied experimentally. Tissues under study were chicken breast (as a model of muscle), porcine lard (as a model of fatty tissue) and porcine liver (as a model of richly perfused tissue). The temperature dependences of the amplitude of the OA signals excited in biological tissues were measured in-vitro in the temperature range of 20 — 80 °C under the narrow laser beam conditions. Measurements were performed in two regimes: during heating and cooling. Similarities and differences in the behaviour of the dependences in different temperature ranges associated with different structural composition of the samples were obtained. The accuracy of temperature reconstruction from experimental data for the investigated tissue types was evaluated. It is shown that during tissue coagulation its temperature can be determined with an accuracy of about 1 °C.
Keywords: optoacoustic method, high intensity focused ultrasound, optical properties of biological tissues, temperature monitoring, optoacoustic conversion efficiency.
Received: 15.06.2011
Revised: 07.02.2012
English version:
Quantum Electronics, 2012, Volume 42, Issue 3, Pages 269–276
DOI: https://doi.org/10.1070/QE2012v042n03ABEH014674
Bibliographic databases:
Document Type: Article
PACS: 87.50.Y-, 42.79.Jq, 78.20.Hb
Language: Russian


Citation: S. M. Nikitin, T. D. Khokhlova, I. M. Pelivanov, “In-vitro study of the temperature dependence of the optoacoustic conversion efficiency in biological tissues”, Kvantovaya Elektronika, 42:3 (2012), 269–276 [Quantum Electron., 42:3 (2012), 269–276]
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  • https://www.mathnet.ru/eng/qe14674
  • https://www.mathnet.ru/eng/qe/v42/i3/p269
  • This publication is cited in the following 3 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
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