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Open Access

Expression of Concern

Expression of Concern: Enhanced surface plasmon resonance biosensor with graphene-black phosphorus heterostructure for ultra-high sensitivity refractive index detection with machine learning for behaviour prediction

  • The PLOS One Editors

After this article [1] was published, the PLOS One Editors identified concerns about compliance with PLOS policies on Authorship and Artificial Intelligence Tools and Technologies.

In light of these concerns, the PLOS One Editors issue this Expression of Concern. Readers are advised to interpret the article [1] with caution.

Reference

  1. 1. Wekalao J, Elsayed HA, Mehaney A, Rajakannu A, Alqhtani HA, Bin-Jumah M, et al. Enhanced surface plasmon resonance biosensor with graphene-black phosphorus heterostructure for ultra-high sensitivity refractive index detection with machine learning for behaviour prediction. PLoS One. 2025;20(11):e0332356. pmid:41202096

Citation: The PLOS One Editors (2026) Expression of Concern: Enhanced surface plasmon resonance biosensor with graphene-black phosphorus heterostructure for ultra-high sensitivity refractive index detection with machine learning for behaviour prediction. PLoS One 21(3): e0345133. https://doi.org/10.1371/journal.pone.0345133

Published: March 19, 2026

Copyright: © 2026 The PLOS One Editors. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.