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Nanobiosensors for Detection

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

Deadline for manuscript submissions: closed (31 March 2021) | Viewed by 3132

Special Issue Editor


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Guest Editor
Yokokawa Laboratory, Kyoto University, Kyoto, Japan
Interests: ROS nanobiosensors; gas microsensors and electronic nose systems; nanowire-based electron field-emission and tunneling field-ionization; blue energy harvesting using small scale reverse electrodialysis; thermoelectrics: nonlinear Peltier effect and superlattice thermocooling

Special Issue Information

Dear Colleagues,

Biosensors are useful in numerous applications in medicine, including biomolecular sensing, monitoring cellular interactions with their microenvironment, and in assessing free radicals such as reactive oxygen species (ROS). Detection of antioxidants, free radicals, and particularly ROS have recently attracted much attention because of their diverse physiological and pathological effects. Such diverse, yet contrasting functions of ROS and superoxide as the primary member of the group in particular, make accurate determination of these biospecies an important and challenging task.

We are happy to announce the Special Issue of “Nanobiosensors to detect Reactive Oxygen Species”. It is an effort to include the most relevant work on state-of-the-art ROS biosensing using nanostructures such as nanoporous films, nanowires, etc., highlighting not only improved sensitivities, but also a higher level of specificity that allows real-time detection and quantification of ROS and RNS in both intracellular and extracellular milieus.

Dr. Ramin Banan Sadeghian
Guest Editor

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Keywords

  • ROS biosensors
  • RNS biosensors
  • nanoporous film and nanowire-based biosensors
  • cell-based sensors

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Published Papers (1 paper)

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Research

20 pages, 8111 KiB  
Article
Plasmonic Layer as a Localized Temperature Control Element for Surface Plasmonic Resonance-Based Sensors
by Sivaramakrishnan Ganesan, Sophie Maricot, Jean-Francois Robillard, Etienne Okada, Mohamed-Taieb Bakouche, Laurent Hay and Jean-Pierre Vilcot
Sensors 2021, 21(6), 2035; https://doi.org/10.3390/s21062035 - 13 Mar 2021
Cited by 3 | Viewed by 2748
Abstract
Surface plasmon resonance (SPR) sensing is a well-established high-sensitivity, label-free and real-time detection technique for biomolecular interaction study. Its primary working principle consists of the measurement of the optical refractive index of the medium that is in close vicinity of the sensor surface. [...] Read more.
Surface plasmon resonance (SPR) sensing is a well-established high-sensitivity, label-free and real-time detection technique for biomolecular interaction study. Its primary working principle consists of the measurement of the optical refractive index of the medium that is in close vicinity of the sensor surface. Bio-functionalization techniques allow biomolecular events to be located in such a way. Since optical refractive indices of any medium varies with the temperature, the place where the measurement takes place shall be within a temperature-controlled environment in order to ensure any temperature fluctuation is interpreted as a biomolecular event. Since the SPR measurement probes the sensed medium within the penetration depth of the plasmonic wave, which is less or in the order of 1 µm, we propose to use the metallic film constituting the detection surface as a localized heater aiming at controlling finely and quickly the temperature of the sensed medium. The Joule heating principle is then used and the modeling of the heater is reported as well as its validation by thermal IR imaging. Using water as a demonstration medium, SPR measurement results at different temperatures are successfully compared to the theoretical optical refractive index of water versus temperature. Full article
(This article belongs to the Special Issue Nanobiosensors for Detection)
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