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Special Issue "Optical Fiber Biosensors"

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Optical Sensors".

Deadline for manuscript submissions: closed (31 October 2020).

Special Issue Editors

Dr. Mikhael Bechelany
E-Mail Website
Guest Editor
Prof. Malgorzata Szczerska
E-Mail Website
Guest Editor
Department of Metrology and Optoelectronics, Faculty of Electronics, Telecommunications and Informatics, Gdańsk University of Technology, Gdańsk, Poland
Interests: biophotonics; biomedical optics; fiber-optic sensors; optical sensors; low coherent interferometry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Fiber optic sensors are gaining more and more popularity in sensing in the field of life sciences, such as medicine, biology, veterinary science, and others. Combining high measurement resolution with broad measurement ranges, these sensors can accurately measure several physical quantities, such as temperature or pressure. Moreover, the use of reflective transducers is possible, limiting their intrusiveness to the environment in which they operate. Finally, as they use standard, inexpensive optical components, their cost can be kept low.

The aforementioned advantages give us the possibility to design and elaborate sensors which can be useful in monitoring in everyday life as indicators of various physiological parameters, e.g., to control the risk of cardiovascular disease. Furthermore, such small and biologically compatible sensors as fiber-optic sensors can provide extensive high-quality data facilitating earlier detection of pathology and improving quality of diagnosis.

The design and integration of biosensors with fiber-optic technology give us the possibility of integrating sensing systems (e.g., point-of-care, distributed sensors) with telecommunication networks. This solution enables doctors to get very quick information about the health condition of a patient.

Moreover, the evolution of other fields of science and technology influences fiber-optic biosensors, providing many opportunities for their further development. A good example can be the combining of innovative materials with fiber-optic technology, which can allow the construction of new fiber-optic biosensors with enhanced properties.

The aim of this Special Issue is to collect and highlight the latest advances in fiber-optic biosensing. Original research papers that focus on the design and experimental verification of fiber-optic biosensors, as well as papers that focus on their testing for biomedical and clinical applications are welcome.

In this Special Issue, original research articles as well as reviews will be published.

Dr. Mikhael Bechelany
Prof. Dr. Małgorzata Szczerska
Guest Editors

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 papers will be 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. Sensors 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

  • Biosensors
  • Fiber optic biosensors
  • Optical fiber biosensing
  • Optical biosensors
  • Integrated optics biosensors
  • Point-of-care sensors
  • Thin films for biosensors
  • Fiber-optic interferometry
  • Lab-on-fiber

Published Papers (1 paper)

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Research

Article
A Bimetallic-Coated, Low Propagation Loss, Photonic Crystal Fiber Based Plasmonic Refractive Index Sensor
Sensors 2019, 19(17), 3794; https://doi.org/10.3390/s19173794 - 01 Sep 2019
Cited by 36 | Viewed by 2406
Abstract
In this paper, a low-loss, spiral lattice photonic crystal fiber (PCF)-based plasmonic biosensor is proposed for its application in detecting various biomolecules (i.e., sugar, protein, DNA, and mRNA) and biochemicals (i.e., serum and urine). Plasmonic material gold (Au) is employed externally to efficiently [...] Read more.
In this paper, a low-loss, spiral lattice photonic crystal fiber (PCF)-based plasmonic biosensor is proposed for its application in detecting various biomolecules (i.e., sugar, protein, DNA, and mRNA) and biochemicals (i.e., serum and urine). Plasmonic material gold (Au) is employed externally to efficiently generate surface plasmon resonance (SPR) in the outer surface of the PCF. A thin layer of titanium oxide (TiO2) is also introduced, which assists in adhering the Au layer to the silica fiber. The sensing performance is investigated using a mode solver based on the finite element method (FEM). Simulation results show a maximum wavelength sensitivity of 23,000 nm/RIU for a bio-samples refractive index (RI) detection range of 1.32–1.40. This sensor also exhibits a very low confinement loss of 0.22 and 2.87 dB/cm for the analyte at 1.32 and 1.40 RI, respectively. Because of the ultra-low propagation loss, the proposed sensor can be fabricated within several centimeters, which reduces the complexity related to splicing, and so on. Full article
(This article belongs to the Special Issue Optical Fiber Biosensors)
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