# Expression of concern: Flavin-adenine-dinucleotide gold complex nanoparticles: chemical modeling design, physico-chemical assessment and perspectives in nanomedicine

## TL;DR

This paper expresses concern about a prior study on flavin-adenine-dinucleotide gold complex nanoparticles and their potential use in nanomedicine.

## Contribution

The paper highlights issues or concerns with previously published findings on FAD-gold nanoparticle design and assessment.

## Key findings

- The paper raises concerns about the reliability or validity of the original study's results.
- It questions the chemical modeling or physico-chemical assessment of the FAD-gold complex nanoparticles.

## Abstract

Expression of concern for ‘Flavin-adenine-dinucleotide gold complex nanoparticles: chemical modeling design, physico-chemical assessment and perspectives in nanomedicine’ by Celia Arib et al., Nanoscale Adv. 2021, 3, 6144–6156, https://doi.org/10.1039/D1NA00444A.