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Lasers and Their Biomedical Applications
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Lasers and Their Biomedical Applications

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Biosciences and Bioengineering".

Deadline for manuscript submissions: closed (15 March 2022) | Viewed by 2624

Special Issue Editor

Prof. Dr. Andrey V. Belikov

E-Mail Website1 Website2
Guest Editor
Faculty of Nanoelectronics, ITMO University, 197101 St. Petersburg, Russia
Interests: lasers; interaction of laser radiation with matter; biomedical optics; biomedical applications of lasers
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are pleased to invite you to publish original research results within this Special Issue on “Lasers and Their Biomedical Applications”. Since their discovery, lasers have been widely used in medicine and biology, with laser radiation used for surgery, therapy, and diagnostics. The result of the interaction of laser radiation with biological tissues is determined by the laser parameters (intensity, wavelength, pulse duration and repetition rate, etc.), biological tissue parameters (absorption and scattering coefficients, anisotropy coefficient, thermal and elastic properties, etc.), and homeostasis living matter. Laser radiation can heat, remove, modify, and stimulate various linear and nonlinear processes, affect the regeneration and color of biological tissue, etc. Any biomedical application of lasers is based on the results of fundamental research on the interaction of laser radiation with biological tissues, experiments on models and phantoms of biological tissues, and clinical studies. Lasers and their biomedical applications are constantly being improved, while new and well-known laser biomedical technologies are emerging and developing.

This Special Issue invites a wide range of professionals to share recent advances achieved in biomedical laser applications.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  • Laser tissue interaction, basic research
  • Laser applications in surgery
  • Laser applications in dermatology
  • Laser applications in ophthalmology
  • Laser applications in dentistry
  • Laser applications in cosmetology
  • Laser applications in cancer treatment
  • Laser applications for diagnostics diseases
  • Laser applications for veterinary applications
  • Laser applications for photo-dynamic treatment
  • Laser applications for low-level and high-level therapy
  • Others biomedical applications of lasers

I look forward to receiving your contributions.

Prof. Dr. Andrey V. Belikov
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • laser
  • interaction
  • surgery
  • therapy
  • diagnostics
  • treatment
  • medicine
  • interaction
  • biotissue

Published Papers (1 paper)

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Research

13 pages, 3831 KiB  
Article
Controlling the Temperature on the Vein Wall Based on the Analysis of the IR Signal during Endovasal Laser Treatment
by Andrey V. Belikov, Do Thanh Tung and Yulia V. Fyodorova
Appl. Sci. 2022, 12(10), 4925; https://doi.org/10.3390/app12104925 - 12 May 2022
Cited by 1 | Viewed by 1850
Abstract
Possibility of controlling the temperature of the vein wall during endovasal laser treatment (EVLT) is investigated. The desired medical effect is achieved by the coagulation of the vein wall at the temperature of 80 °C. Heating of the vein wall is mainly due [...] Read more.
Possibility of controlling the temperature of the vein wall during endovasal laser treatment (EVLT) is investigated. The desired medical effect is achieved by the coagulation of the vein wall at the temperature of 80 °C. Heating of the vein wall is mainly due to the efficient conversion of laser radiation into heat in an optothermal fiber converter (OTFC) located at the output end of the optical fiber placed inside the vein. Titanium-containing optothermal fiber converter (TOTFC) is very promising for EVLT application due to its high efficiency in converting laser energy into thermal energy and its smooth shape that excludes perforation of the vein wall when the fiber moves inside the vein. During the endovasal laser treatment heated by laser radiation TOTFC emits an IR signal which can be used for controlling the temperature on the vein wall during endovasal laser treatment. At present study, a computer thermophysical model of the EVLT with TOTFC has been developed in the COMSOL Multiphysics 5.4 program (COMSOL Inc., Burlington, MA, USA). In the EVLT model, a laser radiation wavelength of 980 nm with an average laser power of 8–14 W to the traction speed of the optical fiber in range of 1–7 mm/s is applied. The dependence of the TOTFC temperature and the temperature on the vein wall has been numerically investigated. In accordance with Planck’s formula, the dependence of the spectral luminosity density of a blackbody simulating IR signal from TOTFC on its temperature has been determined. The spectral luminosity density in a wide range the wavelength of 0.4–20 μm, as well as in spectral ranges limited by the transmission of the quartz fiber and the sensitivity of Ge and PbS photodetectors was defined. The possibility of controlling the average power of the laser radiation depending on the magnitude of the change in the spectral luminosity density of TOTFC during EVLT is demonstrated. The results obtained can be useful in developing laser medical equipment and materials for use in vascular surgery at endovasal laser treatment. Full article
(This article belongs to the Special Issue Lasers and Their Biomedical Applications)
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