Orcein - Wikipedia
Orcein is a reddish-brown dye, orchil is a purple-blue dye. Orcein is also used as a stain in microscopy to visualize chromosomes, [10] elastic fibers, [11] Hepatitis B surface antigens, …
Orcein - an overview | ScienceDirect Topics
Orcein is a naturally occurring vegetable dye, which has now been synthesized. Variations between batches of dye may produce erratic results with insufficient depth of stain on …
Histology: Stains and section interpretation | Kenhub
2022年7月7日 — Orcein. The orcein stain is used to identify the inclusion bodies of viruses. These are viral particles within human cells and are visible using light microscopy, unlike viruses …
ORCEIN STAIN - INCLUSION BODIES - HEPATITIS B CONTROL: A known hepatitis positive tissue. A known copper control. Orcein will stain elastic fibers dark brown, which can be used …
Current applications of orcein in histochemistry. A brief review …
Current uses of orcein to demonstrate elastic fibers and, following permanganate oxidation (Shikata's modification), hepatitis B surface antigen, copper associated protein, and sulfated …
Elastic Fibers - StainsFile
Orcein Dye Staining of Elastic Fibers. Orcein is a complex mixture of related compounds originally derived from lichens but now made synthetically. The synthetic product is often considered to …
Orcein - Dyes for Histology - StainsFile
Orcein was originally obtained from lichens, but is now made from orcinol by hydrogen peroxide oxidation with ammonia present. It is a standard dye to use for the demonstration of elastic …
Orcein - Histological Techniques
Orcein staining Technique. Elastic Orcein. Orcein was originally a natural dye obtained from lichens, but is now synthetically produced. It can be used to stain for elastic fibres and …
Current applications of orcein in histochemistry. A brief review …
The Orcein stain for elastic tissue and Shikata’s modification produce consistently high quality results as long as appropriate controls, including tissues containing elastic tissue, HBsAg, …
Orcein staining and the identification of polytene chromosomes
Acetic orcein staining of polytene chromosomes was introduced in 1941 shortly after the initial studies on aceto-carmine-stained chromosomes by Bridges (2) and has remained a standard …
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