Retraction of: Scientific Reports https://doi.org/10.1038/s41598-020-68142-8, published online 15 July 2020
The Editors have retracted this article.
After publication it was brought to the Editors' attention that some of the figures in this article appear to contain images duplicated from other sources. Specifically:
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Figure 1 appears to be partly duplicated from Figure 4 in Yan et al. [1], which reports a different set of experiments;
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Figure 4 appears to be duplicated from Figure 3 in Yan et al. [1], which reports a different set of experiments.
The authors provided raw data for all figures containing graphs. However, the Editors were not able to replicate the error bars presented in Figures 7-12 from these data. In addition, some of the data reported in Figure 9 appear to be below the detection limit of the assay used to generate them.
The Editors therefore no longer have confidence in the integrity of the data presented.
Jian Cui, Mohammad Mahdi Zangeneh, Nastaran Sadeghian, Parham Taslimi, and Fatih Şen disagree with the retraction. Peng Zhang, Shirin Mansooridara, Atoosa Shahriyari Kalantari, Akram Zangeneh, and Ramazan Bayat did not respond to the correspondence about the retraction.
Reference
Yan, W. et al. Chemical characterization and neuroprotective properties of copper nanoparticles green-synthesized by Nigella sativa L. seed aqueous extract against methadone-induced cell death in adrenal phaeochromocytoma (PC12) cell line. J. Exp. Nanosci. 15, 280 (2020).
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Zhang, P., Cui, J., Mansooridara, S. et al. Retraction Note: Suppressor capacity of copper nanoparticles biosynthesized using Crocus sativus L. leaf aqueous extract on methadone-induced cell death in adrenal phaeochromocytoma (PC12) cell line. Sci Rep 10, 21236 (2020). https://doi.org/10.1038/s41598-020-77741-4
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DOI: https://doi.org/10.1038/s41598-020-77741-4
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