Warthin-Starry stain. Warthin - Starry stain is a stain based on silver nitrate used in histology. This type of stain is commonly called silver staining. Warthin - Starry​ ... Clinisciences>>Diagnosis>Histopathology/Cytopathology>Tissuestains>Histologicalspecialstains>Microorganisms>Warthin-StarrystainWarthin-StarrystainWarthin-Starrystainisastainbasedonsilvernitrateusedinhistology.Thistypeofstainiscommonlycalledsilverstaining.Warthin-Starrystain isusedforthevisualizationofspirochetesbutalsoforthedetectionofHelicobacterpyloriandmicrosperediates.ThisstainisalsousedtoconfirmthepresenceofBartonellahenselae,themicroorganismresponsibleforcatscratchdisease.Thisstainisbasedonanargyrophilicreaction.Spirochetesareargyrophilic,thatistosaytheyabsorbthesilvercontainedinasolution,butitisnecessarytoaddareducingagentinthesolutiontoreducethesilverabsorbedsilverwhichwillformsilver.depositsandthusacoloring.HerearesomeexamplesofstainsobtainedwiththeWarthin-Starrystain:Spirochetes:BlackHelicobacterpylori:BlackKlebsiella:Brown-BlackCores:BrownBackground:Goldenyellow Cat#DescriptionSizePriceExcl.VATWSS-1Warthin-StarryStainKit 1kit(s)