Editorial Expression of Concern: Brette Pearl Spar Mable (BPSM): a potential recoverable catalyst as a renewable source of biodiesel from Thevetia peruviana seed oil for the benefit of sustainable development in West Africa
Energy, Sustainability and Society volume 11, Article number: 17 (2021)
Editorial Expression of Concern: Energ Sustain Soc 8, 23 (2018) https://doi.org/10.1186/s13705-018–0164-1
The Editor-in-Chief is issuing an Editorial Expression of Concern for this Article. Since publication, it has been brought to our attention that it significantly overlaps with a number of articles by different authors [1,2,3,4]. After investigation, the authors informed us that the article reports a study which they designed, carried out and coordinated as part of undergraduate project whilst at Landmark University.
As the journal is not in a position to mediate data ownership disputes, the journal has reached out to the institution to confirm who owns the data and clarify the correct authorship. T. F. Adepoju agrees to this Editorial Expression of Concern. B. E. Olatunbosun, O. M. Olatunji and M. A. Ibeh have not responded to any correspondence from the publisher about this Editorial Expression of Concern.
Oyekunle DT, Oyekunle DO (2018) Biodiesel production from yellow oleander seed oil via heterogeneous catalyst: performance evaluation of Minitab response surface methodology and artificial neural network. J Mater Environ Sci 9(8): 2468–2477. Available online at https://www.jmaterenvironsci.com/Document/vol9/vol9_N8/271-JMES-3784-Oyekunle.pdf
Oyekunle DT (2017) Analysis of the chemical composition of the essential oil extracted from Thevetia peruviana seeds using gas chromatography analysis. Am J Eng Res (AJER) 6(10):51–55
Oyekunle DT (2017) Optimization of oil extraction from Thevetia peruviana (Yellow oleander) seeds; a case study of two statistical models. Int J Eng Modern Technol (IJEMT) 3(4): 25–42T. https://www.iiardpub.org/journal/?j=IJEMT – https://www.iiardpub.org/get/IJEMT/VOL.%203%20NO.%204%202017/Optimization%20of%20oil.pdf
Oyekunle DT (2017). A solid mineral (limestone) as a potential catalyst for biodiesel production from yellow oleander oil (Thevetia peruviana). CARD Int J Eng Emerg Sci Discov 2(3): 113–127. http://www.casirmediapublishing.com/index.php/publications?view=publication&task=show&id=307
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Adepoju, T.F., Olatunbosun, B.E., Olatunji, O.M. et al. Editorial Expression of Concern: Brette Pearl Spar Mable (BPSM): a potential recoverable catalyst as a renewable source of biodiesel from Thevetia peruviana seed oil for the benefit of sustainable development in West Africa. Energ Sustain Soc 11, 17 (2021). https://doi.org/10.1186/s13705-021-00292-7