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Similar Oil Red O, Congo red, Safranin |
Picrosirius red staining
Sirius Red F3B (Direct Red 80) is a polyazo dye used principally in staining methods for collagen and amyloid with the molecular formula C45H26N10Na6O21S6. In histology, sirius red staining is used in various domains of diagnostic to observe fibrosis levels in a lot of cases of inflammation induced by cancer, vascular or metabolic pathologies.
![Sirius Red Representative micrograph of hepatic tissue stained with Sirius red](https://alchetron.com/cdn/sirius-red-532bf3ce-e7a0-49ba-be70-ad72f88ff4e-resize-750.jpg)
In bright field microscopy we observe:
![Sirius Red Stainsfile Sirius red F3B](https://alchetron.com/cdn/sirius-red-fb49f819-47b2-4b06-aea0-311a299e0b1-resize-750.gif)
![Sirius Red DIRECT RED 80 2610108](https://alchetron.com/cdn/sirius-red-e84c7cdc-2c97-4aaa-88bb-4714c8f29e4-resize-750.gif)
![Sirius Red PicroSirius Red staining hydroxyproline assay and quantitative RT](https://alchetron.com/cdn/sirius-red-affe5e53-1b94-49dd-8ed6-a95f286de37-resize-750.jpg)
![Sirius Red SIRIUS RED Direct Red 80](https://alchetron.com/cdn/sirius-red-6ddbe190-6339-46c3-a23c-ed17a4e3a91-resize-750.gif)
![Sirius Red Sirius Red](https://alchetron.com/cdn/sirius-red-b15e52dd-4166-4453-82d3-1d660146f8a-resize-750.gif)
References
Sirius Red Wikipedia(Text) CC BY-SA