Lexic.us

Definition of Hematein

1. n. A reddish brown or violet crystalline substance, C₁₆H₁₂O₆, got from hematoxylin by partial oxidation, and regarded as analogous to the phthaleins.

Definition of Hematein

1. Noun. An oxidized derivative of haematoxylin, used in staining. ¹

¹ Source: wiktionary.com

Definition of Hematein

1. a chemical compound [n -S]

Medical Definition of Hematein

1. A reddish brown or violet crystalline substance, C16H12O6, got from haematoxylin by partial oxidation, and regarded as analogous to the phthaleins. Origin: Gr, blood. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Hematein

Literary usage of Hematein

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Journal of Medical Research by American Association of Pathologists and Bacteriologists (1907)
"Phosphotungstic acid hematein stain, x i.ooo. FIG. 7. — A single cell with processes showing details of fibrilla; and irregular arrangement of the primitive ..."

2. Tests and Reagents Chemical and Microscopical Known by Their Authors' Names by Alfred Isaac Cohn (1903)
"The hematein is first dissolved in a few drops glycerin. ... An alcoholic solut. may be prepared by dissolving hematein and aluminium chloride in i00 Cc. ..."

3. Normal histology and microscopical anatomy by Jeremiah Sweetser Ferguson (1904)
"The hematein is dissolved in the acetic acid, with 25 cc. of the alcohol ; the glycerin and the remainder of the alcohol are then added. ..."

4. Journal of the American Chemical Society by American Chemical Society (1895)
"The hide powder treatment extracted 0.965 gram of matter from 100 cc. of a fifty per cent, hematein and fifty per cent, tannin solution, while theory ..."

5. Animal Micrology: Practical Exercises in Zoölogical Micro-technique by Michael Frederic Guyer (1917)
"The hematein is produced by the oxidation of hematoxylin. ... If the pure hematein is used in making the stain, therefore, the latter will be ready for use ..."

6. Practical physiological chemistry by Philip Bovier Hawk (1918)
"Their studies in clinical cases likewise indicated that the phenolphthalein test was unreliable. (d) hematein Reaction for Occult Blood. ..."

7. The American Journal of Insanity by New York (State). State Lunatic Asylum (1906)
"Phosphotungstic acid hematein with ferric chloride ... unstained (by ferric chloride differentiation after staining with phosphotungstic acid hematein). ..."

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