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Advances in Biological and Biomedical Optoelectronics

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

Deadline for manuscript submissions: 20 April 2025 | Viewed by 1627

Special Issue Editor


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Guest Editor
1. COPELABS - Computação e Cognição Centrada nas Pessoas (BioRG - Biomedical Research Group), Lusofona University, Campo Grande, Lisbon, Portugal
2. Instituto Nacional de Investigação Agrária e Veterinária (INIAV), Av. da República, Quinta do Marquês, 2780-157 Oeiras, Portugal
Interests: metabolomic; antibiotic resistance; high-\throughput screening; infrared spectroscopy; near infrared spectroscopy; therapeutic drugs screening; biotechnology; enzymatic biotechnology; mid infrared spectroscopy; machine learning
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent years, Optoelectronics have been widely used in biotechnology and biomedicine, such as Enzymatic biotechnology, for the study of complex biological processes, the detection of specific biomarkers, the assessment of pathological conditions, disease diagnosis and therapeutic drugs screening. Benefiting from the new analytical methods provided by artificial intelligence, spectral technology can quickly and accurately analyze large amounts of data and is a powerful tool. This Special Issue, “Advances in Biological and Biomedical Optoelectronics”, aims to collect and publish new research papers and review articles in this interdisciplinary area. The Special Issue topics include, but are not limited to:

  • Infrared spectroscopy;
  • Mid-infrared spectroscopy;
  • Near-infrared spectroscopy;
  • Raman spectroscopy;
  • vibrational spectroscopy;
  • Biological applications;
  • Biomedical applications;
  • Metabolomic;
  • Antibiotic resistance;
  • High-throughput screening;
  • Therapeutic drugs screening;
  • Biotechnology;
  • Enzymatic biotechnology;
  • Machine learning.

Dr. Pedro Nuno Sousa Sampaio
Guest Editor

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Keywords

  • infrared spectroscopy
  • mid-infrared spectroscopy
  • near-infrared spectroscopy
  • Raman spectroscopy
  • vibrational spectroscopy
  • biological applications
  • biomedical applications
  • metabolomic
  • antibiotic resistance
  • high-throughput screening
  • therapeutic drugs screening
  • biotechnology
  • enzymatic biotechnology
  • machine learning

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Published Papers (1 paper)

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Research

11 pages, 5613 KiB  
Communication
Double-Mode Thermometer Based on Photoluminescence of YbGd2Al2Ga3O12: Cr3+ Operating in the Biological Windows
by Qixuan Zhang, Jumpei Ueda and Setsuhisa Tanabe
Appl. Sci. 2024, 14(8), 3357; https://doi.org/10.3390/app14083357 - 16 Apr 2024
Viewed by 868
Abstract
A Near-Infrared (NIR) ratiometric luminescence thermometer with the composition of Yb1Gd2Al1.98Cr0.02Ga3O12 was prepared and studied. When excited by 660 nm in the first biological transparent window (BTW), the sample shows a peak [...] Read more.
A Near-Infrared (NIR) ratiometric luminescence thermometer with the composition of Yb1Gd2Al1.98Cr0.02Ga3O12 was prepared and studied. When excited by 660 nm in the first biological transparent window (BTW), the sample shows a peak structure of around 1000 nm due to the 2F5/22F7/2 transitions of Yb3+ via the energy transfer process from Cr3+. Due to the Boltzmann distribution, the Yb3+ PL intensities in the shorter wavelength side (i.e., 1st BTW) and longer wavelength side (i.e., 2nd BTW) exhibit opposite temperature dependencies. The luminescence intensity ratio (LIR) of Yb3+ in shorter and longer wavelength ranges works as a luminescence thermometer with a relative sensitivity of 0.55% K−1 at 310 K. In addition, YbGd2Al1.98Cr0.02Ga3O12 can also be employed for temperature sensing based on the LIR of Cr3+ (2E → 4A2) at around 700 nm and Yb3+ (2F5/22F7/2) at around 1000 nm, achieving a remarkable relative sensitivity of 2.69% at 100 K. This study confirms that the YbGd2Al1.98Cr0.02Ga3O12 thermometer fulfills the requirements for biological temperature measurements. Full article
(This article belongs to the Special Issue Advances in Biological and Biomedical Optoelectronics)
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