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Volume 17
Issue 12
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Retraction of Pharmaceutics 2021, 13(10), 1632.
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Retraction

RETRACTED: Khan et al. Norfloxacin Loaded Lipid Polymer Hybrid Nanoparticles for Oral Administration: Fabrication, Characterization, In Silico Modelling and Toxicity Evaluation. Pharmaceutics 2021, 13, 1632

by
Muhammad Asghar Khan
1,
Shahzeb Khan
1,2,*,
Mohsin Kazi
3,
Sultan M. Alshehri
3,
Muhammad Shahid
4,
Shafi Ullah Khan
5,
Zahid Hussain
6,7,
Muhammad Sohail
8,
Muhammad Shafique
9,
Hajra Afeera Hamid
1,
Mahwish Kamran
1,
Abdelbary Elhissi
10,
Muhammad Wasim
8 and
Hnin Ei Thu
11,12
1
Department of Pharmacy, University of Malakand, Chakdara 18800, Pakistan
2
Discipline of Pharmaceutical Sciences, School of Health Sciences, University of Kawazulu Natal, Durban X54001, South Africa
3
Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
4
Department of Pharmacy, Sarhad University of Science and Information Technology, Peshawar 25000, Pakistan
5
Department of Pharmacy, Abasyn University Peshawar, Peshawar 25000, Pakistan
6
Department of Pharmaceutics & Pharmaceutical Technology, College of Pharmacy, University of Sharjah, Sharjah 27272, United Arab Emirates
7
Research Institute for Medical and Health Sciences (SIMHR), University of Sharjah, Sharjah 27272, United Arab Emirates
8
Department of Pharmacy, COMSATS University Abbottabad Campus, Abbottabad 45550, Pakistan
9
Department of Pharmaceutical Sciences, College of Pharmacy-Boys, Al-Dawadmi Campus, Shaqra University, Shaqra, Riyadh 11451, Saudi Arabia
10
College of Pharmacy, QU Health and Office of VP for Research and Graduate Studies, Qatar University, Doha 2713, Qatar
11
Research and Innovation Department, Lincolon University College, Petaling Jaya 47301, Malaysia
12
Innoscience Research Institute, Subang Jaya 47650, Malaysia
 
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Pharmaceutics 2025, 17(12), 1624; https://doi.org/10.3390/pharmaceutics17121624
Submission received: 2 December 2025 / Accepted: 11 December 2025 / Published: 18 December 2025
(This article belongs to the Section Drug Delivery and Controlled Release)
Versions Notes
The journal retracts the article “Norfloxacin Loaded Lipid Polymer Hybrid Nanoparticles for Oral Administration: Fabrication, Characterization, In Silico Modelling and Toxicity Evaluation” [1] cited above.
Following publication, concerns were brought to the attention of the Editorial Office regarding the integrity of a figure presented in this publication [1].
Adhering to our standard procedure, an investigation was conducted by the Editorial Office and Editorial Board that identified indications of inappropriate editing and partial duplication between Figure 4 in [1] and Figure 8 in [2], presenting different experimental conditions. While the authors collaborated with this process, raw material meeting the journal’s requirements for original images could not be provided for evaluation by the Editorial Board. Consequently, the Editorial Board has lost confidence in the reliability of the findings and has decided to retract this publication, as per MDPI’s retraction policy (https://www.mdpi.com/ethics#_bookmark30).
This retraction was approved by the Editor-in-Chief of the journal Pharmaceutics.
The authors did not agree to this retraction.

References

  1. Khan, M.A.; Khan, S.; Kazi, M.; Alshehri, S.M.; Shahid, M.; Khan, S.U.; Hussain, Z.; Sohail, M.; Shafique, M.; Hamid, H.A.; et al. RETRACTED: Norfloxacin Loaded Lipid Polymer Hybrid Nanoparticles for Oral Administration: Fabrication, Characterization, In Silico Modelling and Toxicity Evaluation. Pharmaceutics 2021, 13, 1632. [Google Scholar] [CrossRef] [PubMed]
  2. Shafique, M.; Khan, M.A.; Khan, W.S.; Ahmad, W.; Khan, S. Fabrication, characterization, and in vivo evaluation of famotidine loaded solid lipid nanoparticles for boosting oral bioavailability. J. Nanomater. 2017, 2017, 7357150. [Google Scholar] [CrossRef]
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.

Share and Cite

MDPI and ACS Style

Khan, M.A.; Khan, S.; Kazi, M.; Alshehri, S.M.; Shahid, M.; Khan, S.U.; Hussain, Z.; Sohail, M.; Shafique, M.; Hamid, H.A.; et al. RETRACTED: Khan et al. Norfloxacin Loaded Lipid Polymer Hybrid Nanoparticles for Oral Administration: Fabrication, Characterization, In Silico Modelling and Toxicity Evaluation. Pharmaceutics 2021, 13, 1632. Pharmaceutics 2025, 17, 1624. https://doi.org/10.3390/pharmaceutics17121624

AMA Style

Khan MA, Khan S, Kazi M, Alshehri SM, Shahid M, Khan SU, Hussain Z, Sohail M, Shafique M, Hamid HA, et al. RETRACTED: Khan et al. Norfloxacin Loaded Lipid Polymer Hybrid Nanoparticles for Oral Administration: Fabrication, Characterization, In Silico Modelling and Toxicity Evaluation. Pharmaceutics 2021, 13, 1632. Pharmaceutics. 2025; 17(12):1624. https://doi.org/10.3390/pharmaceutics17121624

Chicago/Turabian Style

Khan, Muhammad Asghar, Shahzeb Khan, Mohsin Kazi, Sultan M. Alshehri, Muhammad Shahid, Shafi Ullah Khan, Zahid Hussain, Muhammad Sohail, Muhammad Shafique, Hajra Afeera Hamid, and et al. 2025. "RETRACTED: Khan et al. Norfloxacin Loaded Lipid Polymer Hybrid Nanoparticles for Oral Administration: Fabrication, Characterization, In Silico Modelling and Toxicity Evaluation. Pharmaceutics 2021, 13, 1632" Pharmaceutics 17, no. 12: 1624. https://doi.org/10.3390/pharmaceutics17121624

APA Style

Khan, M. A., Khan, S., Kazi, M., Alshehri, S. M., Shahid, M., Khan, S. U., Hussain, Z., Sohail, M., Shafique, M., Hamid, H. A., Kamran, M., Elhissi, A., Wasim, M., & Thu, H. E. (2025). RETRACTED: Khan et al. Norfloxacin Loaded Lipid Polymer Hybrid Nanoparticles for Oral Administration: Fabrication, Characterization, In Silico Modelling and Toxicity Evaluation. Pharmaceutics 2021, 13, 1632. Pharmaceutics, 17(12), 1624. https://doi.org/10.3390/pharmaceutics17121624

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