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Wu C, Singh M, Han Z, Raghunathan R, Liu CH, Li J, Schill A, Larin KV. Lorentz force optical coherence elastography. JOURNAL OF BIOMEDICAL OPTICS 2016; 21:90502. [PMID: 27622242 PMCID: PMC5018684 DOI: 10.1117/1.jbo.21.9.090502] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2016] [Accepted: 08/16/2016] [Indexed: 05/21/2023]
Abstract
Quantifying tissue biomechanical properties can assist in detection of abnormalities and monitoring disease progression and/or response to a therapy. Optical coherence elastography (OCE) has emerged as a promising technique for noninvasively characterizing tissue biomechanical properties. Several mechanical loading techniques have been proposed to induce static or transient deformations in tissues, but each has its own areas of applications and limitations. This study demonstrates the combination of Lorentz force excitation and phase-sensitive OCE at ?1.5??million A-lines per second to quantify the elasticity of tissue by directly imaging Lorentz force-induced elastic waves. This method of tissue excitation opens the possibility of a wide range of investigations using tissue biocurrents and conductivity for biomechanical analysis.
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Affiliation(s)
- Chen Wu
- University of Houston, Department of Biomedical Engineering, 3605 Cullen Boulevard, Houston, Texas 77204, United States
| | - Manmohan Singh
- University of Houston, Department of Biomedical Engineering, 3605 Cullen Boulevard, Houston, Texas 77204, United States
| | - Zhaolong Han
- University of Houston, Department of Biomedical Engineering, 3605 Cullen Boulevard, Houston, Texas 77204, United States
| | - Raksha Raghunathan
- University of Houston, Department of Biomedical Engineering, 3605 Cullen Boulevard, Houston, Texas 77204, United States
| | - Chih-Hao Liu
- University of Houston, Department of Biomedical Engineering, 3605 Cullen Boulevard, Houston, Texas 77204, United States
| | - Jiasong Li
- University of Houston, Department of Biomedical Engineering, 3605 Cullen Boulevard, Houston, Texas 77204, United States
| | - Alexander Schill
- University of Houston, Department of Biomedical Engineering, 3605 Cullen Boulevard, Houston, Texas 77204, United States
| | - Kirill V. Larin
- University of Houston, Department of Biomedical Engineering, 3605 Cullen Boulevard, Houston, Texas 77204, United States
- Tomsk State University, Interdisciplinary Laboratory of Biophotonics, 36 Lenin Avenue, Tomsk 634050, Russia
- Baylor College of Medicine, Molecular Physiology and Biophysics, One Baylor Plaza, Houston, Texas 77030, United States
- Address all correspondence to: Kirill V. Larin, E-mail:
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Peña AF, Doronin A, Tuchin VV, Meglinski I. Monitoring of interaction of low-frequency electric field with biological tissues upon optical clearing with optical coherence tomography. JOURNAL OF BIOMEDICAL OPTICS 2014; 19:086002. [PMID: 25104408 DOI: 10.1117/1.jbo.19.8.086002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2014] [Accepted: 07/14/2014] [Indexed: 06/03/2023]
Abstract
The influence of a low-frequency electric field applied to soft biological tissues ex vivo at normal conditions and upon the topical application of optical clearing agents has been studied by optical coherence tomography (OCT). The electro-kinetic response of tissues has been observed and quantitatively evaluated by the double correlation OCT approach, utilizing consistent application of an adaptive Wiener filtering and Fourier domain correlation algorithm. The results show that fluctuations, induced by the electric field within the biological tissues are exponentially increased in time. We demonstrate that in comparison to impedance measurements and the mapping of the temperature profile at the surface of the tissue samples, the double correlation OCT approach is much more sensitive to the changes associated with the tissues' electro-kinetic response. We also found that topical application of the optical clearing agent reduces the tissues' electro-kinetic response and is cooling the tissue, thus reducing the temperature induced by the electric current by a few degrees. We anticipate that dcOCT approach can find a new application in bioelectrical impedance analysis and monitoring of the electric properties of biological tissues, including the resistivity of high water content tissues and its variations.
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Affiliation(s)
- Adrián F Peña
- University of Otago, The Jack Dodd Centre for Quantum Technology, Department of Physics, P.O. Box 56, Dunedin, 9054 New ZealandbUniversidad Autónoma de Tamaulipas, Centro Universitario Tampico Madero, CP 89109, México
| | - Alexander Doronin
- University of Otago, The Jack Dodd Centre for Quantum Technology, Department of Physics, P.O. Box 56, Dunedin, 9054 New Zealand
| | - Valery V Tuchin
- Saratov State University, Research-Educational Institute of Optics and Biophotonics, 83 Astrakhanskaya Street, Saratov, 410012 RussiadInstitute of Precise Mechanics and Control, Russian Academy of Science, Laboratory of Laser Diagnostics of Technical and
| | - Igor Meglinski
- University of Otago, The Jack Dodd Centre for Quantum Technology, Department of Physics, P.O. Box 56, Dunedin, 9054 New ZealandcSaratov State University, Research-Educational Institute of Optics and Biophotonics, 83 Astrakhanskaya Street, Saratov, 410012
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