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Luminescence Nanothermometry

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

Deadline for manuscript submissions: closed (31 December 2020) | Viewed by 3463

Special Issue Editor


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Guest Editor
Department of Chemistry and Biochemistry, Concordia University, Montreal, QC H3G 1M8, Canada
Interests: fluorescent nanomaterials; carbon dots; metallic nanoparticles; plasmonic nanomaterials; sensors; pH sensors; biosensors; nanothermometry; imaging probes; drug delivery vehicles; catalysis
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Special Issue Information

Dear Colleagues,

Temperature plays a vital role in biological processes; hence, obtaining precise and accurate measurements is crucial for biomedical research. For example, correlating subcellular temperature changes with cell physiological events can lead to the development of novel diagnostic and therapeutic technologies. With advancements in the field of nanomaterials, there have been numerous achievements in the development of nanothermometers capable of acquiring local temperatures with high spatial resolution at the nanoscale. The majority of nanothermometry systems comprise luminescent nanomaterials, which can be used to sense temperature through changes in their optical properties.

This Special Issue will provide the opportunity to examine the recent developments and the state of the field of luminescence nanothermometry, as well as address the challenges that persist in their synthesis and characterization, sensing capabilities, their integration in biological systems, as well as the translation towards development of real-life applications.

I invite you to contribute your original research papers, as well as comprehensive reviews, aligned with these themes, to advance and improve the actual state-of-the-art in luminescence nanothermometry, providing new opportunities, approaches, and solutions.

Prof. Dr. Rafik Naccache
Guest Editor

Manuscript Submission Information

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Keywords

  • nanomaterials
  • nanosensors
  • temperature sensing
  • optical sensing
  • inorganic nanoparticles
  • carbon nanomaterials
  • nanobiomedicine

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Published Papers (1 paper)

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Research

17 pages, 3188 KiB  
Article
Surface Plasmon Enhanced Fluorescence Temperature Mapping of Aluminum Nanoparticle Heated by Laser
by Naadaa Zakiyyan, Charles M. Darr, Biyan Chen, Cherian Mathai, Keshab Gangopadhyay, Jacob McFarland, Shubhra Gangopadhyay and Matthew R. Maschmann
Sensors 2021, 21(5), 1585; https://doi.org/10.3390/s21051585 - 24 Feb 2021
Cited by 9 | Viewed by 2995
Abstract
Partially aggregated Rhodamine 6G (R6G) dye is used as a lights-on temperature sensor to analyze the spatiotemporal heating of aluminum nanoparticles (Al NPs) embedded within a tetrafluoroethylene, hexafluoropropylene, and vinylidene fluoride (THV) fluoropolymer matrix. The embedded Al NPs were photothermally heated using an [...] Read more.
Partially aggregated Rhodamine 6G (R6G) dye is used as a lights-on temperature sensor to analyze the spatiotemporal heating of aluminum nanoparticles (Al NPs) embedded within a tetrafluoroethylene, hexafluoropropylene, and vinylidene fluoride (THV) fluoropolymer matrix. The embedded Al NPs were photothermally heated using an IR laser, and the fluorescent intensity of the embedded dye was monitored in real time using an optical microscope. A plasmonic grating substrate enhanced the florescence intensity of the dye while increasing the optical resolution and heating rate of Al NPs. The fluorescence intensity was converted to temperature maps via controlled calibration. The experimental temperature profiles were used to determine the Al NP heat generation rate. Partially aggregated R6G dyes, combined with the optical benefits of a plasmonic grating, offered robust temperature sensing with sub-micron spatial resolution and temperature resolution on the order of 0.2 °C. Full article
(This article belongs to the Special Issue Luminescence Nanothermometry)
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