# Single-nanometer iron oxide nanoparticles as tissue-permeable MRI contrast agents

> Research article (Proceedings of the National Academy of Sciences, 2021) · cited 49× · AI/ML

**Wikidata**: [openalex:W3206913723](https://www.wikidata.org/wiki/openalex:W3206913723)  
**Source**: https://4ort.xyz/entity/single-nanometer-iron-oxide-nanoparticles-as-tissue-permeable-mri-contrast-agents