Staining
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Staining is a technique used to enhance contrast in samples, generally at the microscopic level. Stains and dyes are frequently used in histology, in cytology, and in the medical fields of histopathol
A stained histological specimen, sandwiched between a glass microscope slide.
Example of negative staining
Microscopic view of a histologic specimen of human lung tissue stained with hematoxylin and eosin.
PAS diastase showing the fungus Histoplasma.
Haematoxylin
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Haematoxylin or hematoxylin, also called natural black 1 or C.I. 75290, is a compound extracted from heartwood of the logwood tree with a chemical formula of C16H14O6. This naturally derived dye has b
Logwood (Haematoxylum campechianum) chips
Hematoxylin solution for staining microscopy slides.
Teinture naturelle Millepertuis 2