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Bioengineering
Volume 12
Issue 2
10.3390/bioengineering12020100
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Retraction of Bioengineering 2022, 9(8), 397.
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Retraction

RETRACTED: Saied et al. Mycosynthesis of Hematite (α-Fe2O3) Nanoparticles Using Aspergillus niger and Their Antimicrobial and Photocatalytic Activities. Bioengineering 2022, 9, 397

by
Ebrahim Saied
1,*,
Salem S. Salem
1,
Abdulaziz A. Al-Askar
2,*,
Fathy M. Elkady
3,
Amr A. Arishi
4 and
Amr H. Hashem
1,*
1
Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Nasr City 11884, Egypt
2
Department of Botany and Microbiology, Faculty of Science, King Saud University, Riyadh 12372, Saudi Arabia
3
Microbiology and Immunology Department, Faculty of Pharmacy (Boys), Al-Azhar University, Nasr City 11884, Egypt
4
School of Molecular Sciences, The University of Western Australia, Perth, WA 6009, Australia
*
Authors to whom correspondence should be addressed.
Bioengineering 2025, 12(2), 100; https://doi.org/10.3390/bioengineering12020100
Submission received: 15 January 2025 / Accepted: 16 January 2025 / Published: 22 January 2025
Versions Notes
The Bioengineering Editorial Office retracts the article “Mycosynthesis of Hematite (α-Fe2O3) Nanoparticles Using Aspergillus niger and Their Antimicrobial and Photocatalytic Activities” [1] cited above.
Following publication, concerns were brought to the attention of the publisher regarding particle duplication within Figure 5A in this article [1].
Adhering to our complaints procedure, an investigation was conducted by the Editorial Office and the Editorial Board. While the authors cooperated with the Editorial Office during the investigation, they were unable to satisfactorily explain the particle duplication within Figure 5A, nor could the Editorial Board validate this image from the raw material provided. As a result, the Editorial Board were unable to confirm the reliability of the findings and subsequently decided to retract this article [1] as per MDPI’s retraction policy (https://www.mdpi.com/ethics#_bookmark30, accessed on 15 January 2025) and in line with the Committee on Publication Ethics retraction guidelines (https://publicationethics.org/retraction-guidelines, accessed on 15 January 2025).
This retraction was approved by the Editor-in-Chief of the journal Bioengineering.
The authors did not agree to this retraction.

Reference

  1. Saied, E.; Salem, S.S.; Al-Askar, A.A.; Elkady, F.M.; Arishi, A.A.; Hashem, A.H. RETRACTED: Mycosynthesis of Hematite (α-Fe2O3) Nanoparticles Using Aspergillus niger and Their Antimicrobial and Photocatalytic Activities. Bioengineering 2022, 9, 397. [Google Scholar] [CrossRef] [PubMed]
Disclaimer/Publisher’s Note: The statements, opinions and data contained in all publications are solely those of the individual author(s) and contributor(s) and not of MDPI and/or the editor(s). MDPI and/or the editor(s) disclaim responsibility for any injury to people or property resulting from any ideas, methods, instructions or products referred to in the content.

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MDPI and ACS Style

Saied, E.; Salem, S.S.; Al-Askar, A.A.; Elkady, F.M.; Arishi, A.A.; Hashem, A.H. RETRACTED: Saied et al. Mycosynthesis of Hematite (α-Fe2O3) Nanoparticles Using Aspergillus niger and Their Antimicrobial and Photocatalytic Activities. Bioengineering 2022, 9, 397. Bioengineering 2025, 12, 100. https://doi.org/10.3390/bioengineering12020100

AMA Style

Saied E, Salem SS, Al-Askar AA, Elkady FM, Arishi AA, Hashem AH. RETRACTED: Saied et al. Mycosynthesis of Hematite (α-Fe2O3) Nanoparticles Using Aspergillus niger and Their Antimicrobial and Photocatalytic Activities. Bioengineering 2022, 9, 397. Bioengineering. 2025; 12(2):100. https://doi.org/10.3390/bioengineering12020100

Chicago/Turabian Style

Saied, Ebrahim, Salem S. Salem, Abdulaziz A. Al-Askar, Fathy M. Elkady, Amr A. Arishi, and Amr H. Hashem. 2025. "RETRACTED: Saied et al. Mycosynthesis of Hematite (α-Fe2O3) Nanoparticles Using Aspergillus niger and Their Antimicrobial and Photocatalytic Activities. Bioengineering 2022, 9, 397" Bioengineering 12, no. 2: 100. https://doi.org/10.3390/bioengineering12020100

APA Style

Saied, E., Salem, S. S., Al-Askar, A. A., Elkady, F. M., Arishi, A. A., & Hashem, A. H. (2025). RETRACTED: Saied et al. Mycosynthesis of Hematite (α-Fe2O3) Nanoparticles Using Aspergillus niger and Their Antimicrobial and Photocatalytic Activities. Bioengineering 2022, 9, 397. Bioengineering, 12(2), 100. https://doi.org/10.3390/bioengineering12020100

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