This paper is marked retracted in the scholarly record (OpenAlex). Interpret its findings with caution.
Retraction Note: Performance of graphene-zinc oxide nanocomposite coated-glassy carbon electrode in the sensitive determination of para-nitrophenol
Riyaz Ahmad Dar, Gowhar Ahmad Naikoo, Ashwini Kumar Srivastava, Israr Ul Hassan, Shashi P. Karna, Lily Giri, Ahamad M. H. Shaikh, Mashallah Rezakazemi, Waqar Ahmed

Abstract
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TopicsAdvanced Chemical Sensor Technologies · Water Quality Monitoring and Analysis · Gas Sensing Nanomaterials and Sensors
Retraction of: *Scientific Reports *10.1038/s41598-021-03495-2, published online 07 January 2022
The Editors have retracted this Article.
After publication, concerns were raised regarding the veracity of the following data presented in this work,
- the X-ray diffraction spectra shown in Figure 1;
- the Raman spectra shown in Figure 5(2).
The Authors provided raw data on request from the Editors. However, the Editors found that the original XRD spectra are different from those presented in the Article, and the metadata for the Raman spectra was insufficient to confirm veracity of this data. The Editors therefore no longer have confidence in the research presented in this work.
Riyaz Ahmad Dar, Ashwini Kumar Srivastava, Israr Ul Hassan, and Waqar Ahmed disagree to this retraction. Mashallah Rezakazemi has not stated whether he agrees or disagrees to this retraction. Gowhar Ahmad Naikoo and Ahamad M. H. Shaikh did not reply to correspondence from the Editors. The Editors were unable to contact Shashi P Karna and Lily Giri.
