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Retraction: Facile synthesis of quantum dots/mesoporous silica/quantum dots core/shell/shell hybrid microspheres for ratiometric fluorescence detection of 5-fluorouracil in human serum

Philippa Ross
Royal Society of Chemistry, Thomas Graham House, Science Park, Milton Road, Cambridge, CB4 0WF, UK. E-mail: analyst-rsc@rsc.org

Received 5th October 2020 , Accepted 5th October 2020

First published on 19th October 2020


Abstract

Retraction of ‘Facile synthesis of quantum dots/mesoporous silica/quantum dots core/shell/shell hybrid microspheres for ratiometric fluorescence detection of 5-fluorouracil in human serum’ by Rijun Gui et al., Analyst, 2013, 138, 5956–5964, DOI: 10.1039/C3AN01089A


The Royal Society of Chemistry hereby wholly retracts this Analyst article due to concerns with the reliability of the data in the published article.

The TEM image in Fig. 2a duplicates data in another publication, but are presented as different materials.1

The TEM image in Fig. 2b duplicates data in another publication, but are presented as different materials.2

Given the significance of the concerns about the validity of the data, the findings presented in this paper are no longer reliable.

Rijun Gui opposes this retraction. Ajun Wan and Hui Jin were contacted but did not respond.

Signed: Philippa Ross, Executive Editor, Analyst

Date: 21st September 2020

References

  1. R. Gui and H. Jin, RSC Adv., 2014, 4, 2797–2806 RSC.
  2. R. Gui, Y. Wang and J. Sun, Colloids Surf., B, 2014, 113, 1–9 CrossRef CAS.

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