Open Access Article
This Open Access Article is licensed under a Creative Commons Attribution 3.0 Unported Licence
Expression of concern: Electrochemical genosensor based on gold nanostars for the detection of Escherichia coli O157:H7 DNA
Nasrin
Razmi
*a,
Mohammad
Hasanzadeh
b,
Magnus
Willander
*a and
Omer
Nur
a
aPhysics and Electronics, Department of Science and Technology, Linköping University, SE-601 74 Norrköping, Sweden. E-mail: Nasrin.razmi@liu.se; magnus.willander@liu.se; Tel: +46 11 36 34 72
bPharmaceutical Analysis Research Center, Tabriz University of Medical Sciences, Tabriz 51664, Iran
First published on 23rd January 2025
Abstract
Expression of concern for ‘Electrochemical genosensor based on gold nanostars for the detection of Escherichia coli O157:H7 DNA’ by Nasrin Razmi et al., Anal. Methods, 2022, 14, 1562–1570, https://doi.org/10.1039/D2AY00056C.
Analytical Methods is publishing this expression of concern in order to alert readers that concerns have been raised over the integrity of the data in Table 2 and Fig. 4.
The measurements reported in the article, including the limit of detection and linear range, were found to have been calculated without reference samples and may be incorrect.
The data in Fig. 4 was first published, in part, in Fig. S13 of https://doi.org/10.1039/D1RA04764G.
The authors have been contacted but have not yet been able to provide additional data to verify their results. An expression of concern will continue to be associated with the article until a conclusive outcome is reached.
Philippa Ross
14th January 2025
Executive Editor, Analytical Methods
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