Terahertz Biophotonics

A special issue of Photonics (ISSN 2304-6732). This special issue belongs to the section "Biophotonics and Biomedical Optics".

Deadline for manuscript submissions: closed (31 January 2021) | Viewed by 11254

Special Issue Editors


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Guest Editor
THz Biomedicine Laboratory, ITMO University, Saint-Petersburg 197101, Russia
Interests: THz photonics; metamaterials; biomedicine

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Guest Editor
Department of Physics and Astronomy, Seoul National University, Seoul, Korea
Interests: high-power THz radiation sources; graphene-based electron devices; fano metamaterials; hydration dynamics of biomedical systems

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Guest Editor
Institute of Laser Physics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia
Interests: THz time-domain spectroscopy of biological objects; THz technology in diagnosis; biological effects of terahertz waves
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Special Issue Information

The purpose of this Special Issue is to highlight the new terahertz materials, devices, emission, detection, and imaging technologies and their applications in biophotonics. Broad technical areas include: materials, metamaterials, plasmonics and plasmons, techniques and effects, generation and power scaling, detectors, devices for their applications in biophotonics and medical imaging, etc. These key THz biophotonics topics will be discussed in both invited and contributed talks, providing comprehensive overviews of the current status and future directions as well as original results on research and recent developments in THz biophotonics.

Prof. Mikhail Khodzitsky
Prof. Gun-Sik Park
Prof. Olga Cherkasova
Guest Editors

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Published Papers (2 papers)

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Review

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30 pages, 8836 KiB  
Review
Diagnosis of Glioma Molecular Markers by Terahertz Technologies
by Olga Cherkasova, Yan Peng, Maria Konnikova, Yuri Kistenev, Chenjun Shi, Denis Vrazhnov, Oleg Shevelev, Evgeny Zavjalov, Sergei Kuznetsov and Alexander Shkurinov
Photonics 2021, 8(1), 22; https://doi.org/10.3390/photonics8010022 - 16 Jan 2021
Cited by 34 | Viewed by 7130
Abstract
This review considers glioma molecular markers in brain tissues and body fluids, shows the pathways of their formation, and describes traditional methods of analysis. The most important optical properties of glioma markers in the terahertz (THz) frequency range are also presented. New metamaterial-based [...] Read more.
This review considers glioma molecular markers in brain tissues and body fluids, shows the pathways of their formation, and describes traditional methods of analysis. The most important optical properties of glioma markers in the terahertz (THz) frequency range are also presented. New metamaterial-based technologies for molecular marker detection at THz frequencies are discussed. A variety of machine learning methods, which allow the marker detection sensitivity and differentiation of healthy and tumor tissues to be improved with the aid of THz tools, are considered. The actual results on the application of THz techniques in the intraoperative diagnosis of brain gliomas are shown. THz technologies’ potential in molecular marker detection and defining the boundaries of the glioma’s tissue is discussed. Full article
(This article belongs to the Special Issue Terahertz Biophotonics)
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Other

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8 pages, 318 KiB  
Letter
Effective Medium Theory for Multi-Component Materials Based on Iterative Method
by Ravshanjon Nazarov, Tianmiao Zhang and Mikhail Khodzitsky
Photonics 2020, 7(4), 113; https://doi.org/10.3390/photonics7040113 - 20 Nov 2020
Cited by 12 | Viewed by 3412
Abstract
For biomedical applications in the terahertz band, composites such as macromolecule compounds, biotissues and phantoms are studied. A description of dielectric properties of composite materials using mathematical models has its own fundamental and technological importance. In this work, we present an iterative effective [...] Read more.
For biomedical applications in the terahertz band, composites such as macromolecule compounds, biotissues and phantoms are studied. A description of dielectric properties of composite materials using mathematical models has its own fundamental and technological importance. In this work, we present an iterative effective medium theory for multi-component materials. The model has good performance in describing composite materials with more than two components. The theory is evaluated by comparing with the complex permittivity of three different composite materials. A comparison with other commonly used models is given in the form of relative errors. Full article
(This article belongs to the Special Issue Terahertz Biophotonics)
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