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Special Issue "Optical Nanosensors for Biosensing"

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

Deadline for manuscript submissions: 10 July 2020.

Special Issue Editors

Dr. Eleni Makarona
Website
Guest Editor
Institute of Nanoscience and Nanotechnology, NCSR "Demokritos", Patriarchou Grigoriou E’ and 27 Neapoleos Street, 15310 Aghia Paraskevi, Greece
Interests: optical sensors; optical biodiagnostics; photonic circuits; metal oxide nanostructures; ZnO-based optoelectronic devices
Special Issues and Collections in MDPI journals
Dr. Pangiota Petrou
Website
Guest Editor
Immunoassay/Immunosensors Lab, Institute of Nuclear and Radiological Sciences and Technology, Energy and Safety, NCSR “Demokritos”, 15310 Aghia Paraskevi, Greece
Interests: immunoassays and immunosensors for biological markers; environmental or food hazard; new substrates and methods for biomolecule immobilization and/or detection; development and evaluation of bioanalytical microsystems
Special Issues and Collections in MDPI journals

Special Issue Information

Dear Colleagues,

Probing matter with light has been one of the most elegant and non-destructive means for scientists to study, explore, and understand biological materials and processes. A plethora of examples exist, where light has been the enabling tool that probes, interrogates, and elucidates biochemical events either in vitro or in vivo, and has been humankind’s ally in detecting biological entities in minute quantities. The recent advances in nanofabrication and emerging nanomaterials and nanostructures have been enhancing the optical detection “arsenal” with disruptive and breakthrough nanophotonic tools, which will form the basis for the next generation of optical sensing techniques and devices.

This Special Issue is devoted to collecting the recent advances in nanofabrication, nanomaterials, and nanophotonics that contribute to the development of novel and radical optical biosensing tools applicable to medical and biochemical diagnostics (both in vivo and in vitro), environmental monitoring, food quality and safety assessment, and biohazard detection. Topics may include, but are not limited to, the following:

  • Novel nanostructures and nanomaterials for optical sensing
  • Nanofabrication techniques for optical transducers
  • Nanostructures for optical sensors—nanophotonics
  • Biodiagnostics
  • Label-free optical transducers
  • Optical cellular probes
  • Nanomaterials for intracellular imaging

Dr. Eleni Makarona
Dr. Pangiota Petrou
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 2000 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

  • nanophotonics
  • nano-optics
  • optical sensors
  • label-free detection schemes
  • in vitro diagnostics
  • in vivo diagnostics
  • cellular and intracellular imaging
  • optical cellular probes
  • pathogen/microorganism detection

Published Papers (2 papers)

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Research

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Open AccessArticle
High-Refractive-Index Materials for Giant Enhancement of the Transverse Magneto-Optical Kerr Effect
Sensors 2020, 20(4), 952; https://doi.org/10.3390/s20040952 - 11 Feb 2020
Abstract
The ability of plasmonic structures to confine and enhance light at nanometer length scales has been traditionally exploited to boost the magneto-optical effects in magneto-plasmonic structures. These platforms allows for light control via externally applied magnetic fields, which is of prime importance for [...] Read more.
The ability of plasmonic structures to confine and enhance light at nanometer length scales has been traditionally exploited to boost the magneto-optical effects in magneto-plasmonic structures. These platforms allows for light control via externally applied magnetic fields, which is of prime importance for sensing, data storage, optical-isolation, and telecommunications applications. However, applications are hindered by the high-level of ohmic losses associated to metallic and ferromagnetic components. Here, we use a lossless all-dielectric platform for giant enhancement of the magneto-optical effects. Our structure consists of a high-refractive index dielectric film on top of a magnetic dielectric substrate. We numerically demonstrate an extraordinarily enhanced transverse magneto-optical Kerr effect due to the Fabry–Perot resonances supported by the high-refractive index slab. Potential applications for sensing and biosensing are also illustrated in this work. Full article
(This article belongs to the Special Issue Optical Nanosensors for Biosensing)
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Review

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Open AccessReview
Novel Surface-Enhanced Raman Spectroscopy Techniques for DNA, Protein and Drug Detection
Sensors 2019, 19(7), 1712; https://doi.org/10.3390/s19071712 - 10 Apr 2019
Cited by 8
Abstract
Surface-enhanced Raman spectroscopy (SERS) is a vibrational spectroscopic technique in which the Raman scattering signal strength of molecules, absorbed by rough metals or the surface of nanoparticles, experiences an exponential growth (103–106 times and even 1014–1015 times) [...] Read more.
Surface-enhanced Raman spectroscopy (SERS) is a vibrational spectroscopic technique in which the Raman scattering signal strength of molecules, absorbed by rough metals or the surface of nanoparticles, experiences an exponential growth (103–106 times and even 1014–1015 times) because of electromagnetic or chemical enhancements. Nowadays, SERS has attracted tremendous attention in the field of analytical chemistry due to its specific advantages, including high selectivity, rich informative spectral properties, nondestructive testing, and the prominent multiplexing capabilities of Raman spectroscopy. In this review, we present the applications of state-of-the-art SERS for the detection of DNA, proteins and drugs. Moreover, we focus on highlighting the merits and mechanisms of achieving enhanced SERS signals for food safety and clinical treatment. The machine learning techniques, combined with SERS detection, are also indicated herein. This review concludes with recommendations for future studies on the development of SERS. Full article
(This article belongs to the Special Issue Optical Nanosensors for Biosensing)
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