This paper is marked retracted in the scholarly record (OpenAlex). Interpret its findings with caution.
Retraction Note: Atomic insight into hydration shells around facetted nanoparticles
Sabrina L. J. Thomä, Sebastian W. Krauss, Mirco Eckardt, Phil Chater, Mirijam Zobel
Abstract
Genes, proteins, chemicals, diseases, species, mutations and cell lines named across the full text — each resolved to its canonical identifier and authoritative record.
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Taxonomy
TopicsNanoparticle-Based Drug Delivery · Electrostatics and Colloid Interactions · Characterization and Applications of Magnetic Nanoparticles
Retraction to: Nature Communications 10.1038/s41467-019-09007-1, published online 01 March 2019
The authors have retracted this Article after they discovered during subsequent work^1^ that the interpretation of the observed dd-PDF signals, which were assumed to originate from the hydration shell, is incorrect. Rather, the highly sensitive dd-PDF signal stems from short-range order signal of ethanol-water motifs which were detected alongside iron oxide signals in the aqueous dispersion. The ethanol traces within the dispersions are a remnant of the purification steps following particle synthesis. Since new experimental evidence and related literature^2^ were necessary for this new finding, the results of this subsequent analysis are discussed in detail in a subsequent publication with common authors^1^. Though these new findings invalidate the conclusion in this Article on the arrangement of water molecules at the nanoparticle-water interface, they still demonstrate the high sensitivity of the developed subtraction method, namely the dd-PDF approach, in providing insight into the atomic and molecular arrangement of water and alcohol molecules in local ethanol-water motifs.
All authors agree to this retraction.