Orcein, also archil, orchil, lacmus and C.I. Natural Red 28, are names for dyes extracted from several species of lichen, commonly known as "orchella weeds"...

same as those of the related mixture known as orcein but in different proportions. In contrast with orcein, the principal constituent of litmus has an average...

presence of HBsAg is more commonly demonstrated by the use of the Shikata orcein technique, which uses a natural dye to bind to the antigen in infected liver...

O-methylation with dimethylsulfate. It is used in the production of the dye orcein and as a reagent in some chemical tests for pentoses, such as Bial's Test...

belonging to the family Roccellaceae, commonly called orchella weed or orchil. Orcein and other lichen dyes have largely been replaced by synthetic versions....

the EU. E175 Gold Gold Approved in the EU. E180 Pigment Rubine, Lithol Rubine BK Red Approved in the EU. E181 Tannin Brown E182 Orcein, Orchil Purple...

dye with powder; woad or indigo dye for blue and cochineal dye for red. Orcein, or purple moss, was another common violet dye. It was known to the ancient...

used in histology which is useful in identifying elastic fibers. Often orcein or a combination of resorcinol and fuchsine are used for staining. For counterstaining...

madder or cochineal, so Medieval violet colors were inclined toward red. Orcein, or purple moss, was another common purple dye. It was known to the ancient...

an acronym for haematoxylin, orcein, phyloxin and saffron. nuclei appear blue (haematoxylin) elastin appears black (orcein) muscle appears red (phyloxin)...

Methyl violet 10B Basic violet 3 42555 triarylmethane 548-62-9 Cudbear Orcein archil lacmus Natural red 28 758600 natural 1400-62-0 Curcumin Natural yellow...

black color), but aldehyde fuchsin stains, Weigert's elastic stains, and orcein stains also work. These fibers give elastic cartilage great flexibility...

orcein-positive granules, whereas the grade of necroinflammatory activity is based on cholangitis and interface hepatitis. The accumulation of orcein-positive...

(orange) 120 A E U Cochineal, carmines colour (red) 121 U Citrus red 2, Orcein, Orchil colour (red) 122 A E azorubine, carmoisine colour (red) (FDA: Ext...

Jones". 14 August 2020. D., Annie (6 September 2009). "Anime Swan Lake". Cbl.orcein.net. Retrieved 3 February 2010. "オオクワガタを販売するお店に行く – 自分のオオクワガタは販売業者から買ったものです"...

absent in anetodermas. Elastic fibers stain well with aldehyde fuchsin, orcein, and Weigert's elastic stain in histological sections. The...

not on the soundtrack. "Thumbelina Information at Clear Black Lines". cbl.orcein.net. Retrieved 2014-01-17. Strauss, Bob (31 March 1994). "Manilow follows...

staining chromosomes in plant or animal tissues, as a replacement for Aceto-orcein stain. Toluidine blue is often used to identify mast cells, by virtue of...

"Orchella weeds," a lichen that is a source of a purple-blue dye extracted from orcein Punta Orchilla Lighthouse on El Hierro, in the Canary Islands This disambiguation...

abundant and compact." Unlike Oxytalan fibres, elaunin fibres stain with orcein, aldehyde fuchsin and resorcin fuchsin without prior oxidation. Elaunin...

tartrate), 3 lbs alum, 4 pints tin liquor (stannous chloride), 6 lbs cudbear (orcein) and two buckets of urine. The alum, argol and tin liquor, which acted as...

d-Limonene. Used as a fragrance, in cleaning products and in flavoring foods. Orcein – color (red) Orchil – color (red) Oregano (Origanum vulgare, O. heracleoticum...

with respect to their physical and chemical nature, such as repetitive DNA orcein banding, multiple DNA analysis and analysis of chemical nature of chromosomes...

Gomori's aldehyde fuchsin; after preoxidation, some fibers will show up with orcein and resorcin fuchsin.(3,9) The oxytalan fiber is not visible when stained...

favour of the squash technique. In 1941 he improved the latter by using orcein with acetic acid as a stain fixative, and subsequent work with A. C. Fabergé...

contain the lichen substance orcin, which converts into the purple dye orcein in the ammonia fermentation process. Litmus, a water-soluble pH indicator...

used in chemistry as a pH indicator. Erythrolitmin is related to the orceins, and consists essentially of several phenoxazone and orcinol residues.[citation...

the parental cell. Unfixed nuclei have granular contents stained by aceto-orcein. Generally, when an insect (or host) comes in contact with Batkoa spores...