Update README.md

Author: MarkusSchilling

README.md

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 ## WeChemSyn Ontology (WCSO)
 
-The Wet-Chemical Syntheses (WeChemSyn) Ontology (WCSO) provides a semantic framework for the structured representation of knowledge related to the production of (nano)particles by wet-chemical synthesis. Developed at the Bundesanstalt für Materialforschung und -prüfung (BAM) / Federal Institute for Materials Research and Testing in Berlin, Germany, WCSO supports the formalization, integration, and consistent reuse of nanoparticle-related data across experimental workflows, synthesis processes, and material properties.
+The Wet-Chemical Syntheses (WeChemSyn) Ontology (WCSO) provides a semantic framework for the structured representation of knowledge related to the production of (nano)particles by wet chemical synthesis. Developed at the Bundesanstalt für Materialforschung und -prüfung (BAM) / Federal Institute for Materials Research and Testing in Berlin, Germany, WCSO supports the formalization, integration, and consistent reuse of wet chemical synthesis descriptions and nanoparticle-related data across experimental workflows, synthesis processes, and Self-Driving Labs.
 
 WCSO builds upon the [PMD Core Ontology (PMDco)](https://github.com/materialdigital/core-ontology), a mid-level ontology developed within the Platform MaterialDigital (PMD) project and grounded in the Basic Formal Ontology (BFO). By adhering to BFO as its foundational ontology, WCSO ensures semantic interoperability with a wide range of BFO-aligned ontologies and knowledge graphs, both within and beyond the materials science and engineering domain, thereby supporting data-driven and automated research workflows.
 
@@ -12,6 +12,10 @@ Technical documentation of the ontology is available at:
 A complementary documentation optimized for human readability can be found at:
 [https://BAMresearch.github.io/wcso/docs/](https://BAMresearch.github.io/wcso/docs/)
 
+More information is also available from the pre-print on ChemRxiv:
+
+**Markus Schilling, Harald Bresch, Bernd Bayerlein, Bastian Rühle**, *WeChemSynOntology: Semantic Modeling of Wet Chemical Syntheses in a Self-Driving Lab for Nano-and Advanced Materials*, 2026, preprint on ChemRxiv, [DOI: 10.26434/chemrxiv.10001869/v1](https://doi.org/10.26434/chemrxiv.10001869/v1) 
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 ## Versions
 
 ### Stable release versions
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 ## Bibliographic Citation
 
 When using wcso, please cite it as:
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+*Markus Schilling, Harald Bresch, Bernd Bayerlein, Bastian Rühle.*, WeChemSynOntology: Semantic Modeling of Wet Chemical Syntheses in a Self-Driving Lab for Nano-and Advanced Materials, preprint on ChemRxiv, *[DOI: 10.26434/chemrxiv.10001869/v1](https://doi.org/10.26434/chemrxiv.10001869/v1)* 
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+AND
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 *Markus Schilling, Harald Bresch, Bernd Bayerlein, Bastian Rühle. (January 31st, 2026) WCSO: Wet-Chemical Syntheses (WeChemSyn) Ontology. Version 1.0.0, https://w3id.org/wcso*
 
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 ## Acknowledgements
 
 This ontology repository was created using the [Ontology Development Kit (ODK)](https://github.com/INCATools/ontology-development-kit).