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Fluorescent yttrium oxide nanoparticles for sensitive detection of vitamin B12: Synthesis, characterization, and sensor development Cover

Fluorescent yttrium oxide nanoparticles for sensitive detection of vitamin B12: Synthesis, characterization, and sensor development

Materials Science-Poland
Volume 43 (2025): Issue 3 (September 2025)
By: Salma Alshehri,  Mohammad Shariq,  Wafa Al-Gethami,  Aisha H. Al-Moubaraki,  M. D. Alshahrani,  Nouf Alharbi,  Hind S. Alzahrani and  Noha Al-Qasmi  
Open Access
|Nov 2025

Figures & Tables

Figure 1

Pictorial representation of development of YTO nanoparticles.
Pictorial representation of development of YTO nanoparticles.

Figure 2

Effect of (a) factor of salt conc.; (b) factor of time (min); (c) pH; and (d) time (days) on the PL intensity of YTOs.
Effect of (a) factor of salt conc.; (b) factor of time (min); (c) pH; and (d) time (days) on the PL intensity of YTOs.

Figure 3

(a) HR-TEM image, (b) average particle size, (c) FE-SEM image, (d) XRD spectra, and (e) EDX spectra of YTOs.
(a) HR-TEM image, (b) average particle size, (c) FE-SEM image, (d) XRD spectra, and (e) EDX spectra of YTOs.

Figure 4

(a) FT-IR spectra and (b) UV-Vis absorption spectrum of YTO.
(a) FT-IR spectra and (b) UV-Vis absorption spectrum of YTO.

Figure 5

(a) Comprehensive XPS of YTO; (b) enhanced resolution spectra of Y3d; and (c) spectra of O1s.
(a) Comprehensive XPS of YTO; (b) enhanced resolution spectra of Y3d; and (c) spectra of O1s.

Figure 6

(a) PL spectra of YTO quenching with vitamin B12, (b) linear calibration of fluorescence intensity with vitamin B12, (c) excitation dependent emission spectra of YTO, and (d) fluorescence lifetime of pure YTOs nanoparticles and mixture with vitamin B12.
(a) PL spectra of YTO quenching with vitamin B12, (b) linear calibration of fluorescence intensity with vitamin B12, (c) excitation dependent emission spectra of YTO, and (d) fluorescence lifetime of pure YTOs nanoparticles and mixture with vitamin B12.

Figure 7

(a) Selectivity plot of YTO with various analytes, (b) interference selectivity plot of YTO with various analytes in the presence of vitamin B12, and (c) RBG-based detection of vitamin B12 with YTO.
(a) Selectivity plot of YTO with various analytes, (b) interference selectivity plot of YTO with various analytes in the presence of vitamin B12, and (c) RBG-based detection of vitamin B12 with YTO.

Vitamin B12 real sample studies using YTOs_

SampleSpikeyFound% RecoveryR.S.D
Urine2020.23101.151.235
4040.86102.151.527
6059.2998.820.853
8078.4598.062.245
DOI: https://doi.org/10.2478/msp-2025-0038 | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331
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Language: English
Page range: 202 - 215
Submitted on: Aug 15, 2025
Accepted on: Nov 4, 2025
Published on: Nov 22, 2025
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
Fluorescence,
Nanoparticles,
Sensors,
Smartphone,
Vitamin B12
Related subjects:
Materials sciences,
Materials sciences, other,
Nanomaterials,
Functional and smart materials,
Materials characterization and properties

© 2025 Salma Alshehri, Mohammad Shariq, Wafa Al-Gethami, Aisha H. Al-Moubaraki, M. D. Alshahrani, Nouf Alharbi, Hind S. Alzahrani, Noha Al-Qasmi, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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