Eosin
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Eosin is the name of several fluorescent acidic compounds which bind to and form salts with basic, or eosinophilic, compounds like proteins containing basic amino acid residues such as histidine, argi
Eosin Y solution for staining microscopy slides
In his Field with Irises near Arles painting, Van Gogh incorporated red eosin dye into the color of the irises depicted at the bottom of the painting. Due to eosin's tendency to fade, the petals have now attained a blueish hue from their original purple coloration.
H&E stain
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Hematoxylin and eosin stain is one of the principal tissue stains used in histology. It is the most widely used stain in medical diagnosis and is often the gold standard. For example, when a pathologi
Retina (part of the eye) stained with hematoxylin and eosin, cell nuclei stained blue-purple and extracellular material stained pink
Rack of slides being removed from a bath of hematoxylin stain
Ductal carcinoma in situ (DCIS) in breast tissue, cell nuclei (blue-purple), extracellular material (pink)
Lung tissue taken from an emphysema patient. Cell nuclei (blue-purple), red blood cells (bright red), other cell bodies and extracellular material (pink), and air spaces (white).