| aniline | <chemistry> An organic base belonging to the phenylamines. It may be regarded as ammonia in which one hydrogen atom has been replaced by the radical phenyl. It is a colourless, oily liquid, originally obtained from indigo by distillation, but now largely manufactured from coal tar or nitrobenzene as a base from which many brilliant dyes are made. See: Anil. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| aniline blue | A mixture of sulfonated triphenylmethane dyes used widely as a connective tissue stain and counterstain. (05 Mar 2000) |
| aniline fuchsin | A mixture of aniline and basic fuchsin in 30% ethanol with a trace of phenol, as in Goodpasture's stain. (05 Mar 2000) |
| aniline hydroxylase | <enzyme> A drug-metabolizing, cytochrome p-450 enzyme which catalyses the hydroxylation of aniline to hydroxyaniline in the presence of reduced flavoprotein and molecular oxygen. Registry number: EC 1.14.14.- (12 Dec 1998) |
| aniline mustard | <chemical> N,n-bis(2-chloroethyl)aniline. Alkylating anti-neoplastic agent effective in some mouse tumours, but less useful in man. Pharmacological action: antineoplastic agent, alkylating. Chemical name: Benzenamine, N,N-bis(2-chloroethyl)- (12 Dec 1998) |
| aniline oxygenase | <enzyme> Converts substituted anilines to the corresponding catechols Registry number: EC 1.14.99.- (26 Jun 1999) |
| Mallory's aniline blue stain | <technique> A method especially suitable for studying connective tissue; sections are stained in acid fuchsin, aniline blue-orange G solution, and phosphotungstic acid; fibrils of collagen are blue, fibroglia, neuroglia, and muscle fibres are red, and fibrils of elastin are pink or yellow. Synonym: Mallory's aniline blue stain, Mallory's triple stain. (05 Mar 2000) |
| gentian aniline water | Gentian violet with saturated aniline water, a more effective stain than simple gentian violet. (05 Mar 2000) |
| Ehrlich's aniline crystal violet stain | <technique> A stain for Gram-positive bacteria. (05 Mar 2000) |
| acid red 87 | Eosin Ys, the disodium salt of 2',4',5',7'-tetrabromofluorescein. Synonym: acid red 87, eosin yellowish. (05 Mar 2000) |
| acid red 91 | The disodium salt of 4',5'-dibromo-2',7'-dinitrofluorescein. Synonym: acid red 91, eosin I bluish. (05 Mar 2000) |
| algae, red | Algae of the division rhodophyta, in which the pigment is predominantly red; common genera are gelidium, gracilaria, and polysiphonia. (12 Dec 1998) |
| alizarin red S | Sodium alizarin sulfonate;used as a stain for calcium in bone (calcium appears red-orange, magnesium, aluminum, and barium are varying shades of red), in the determination of fluorine; as a pH indicator it changes from yellow to purple between pH 3.7 and 5.2. (05 Mar 2000) |
| American Red Cross | The national Red Cross society of the United States, established by Congress to assist in caring for the sick and wounded, serving as a communications link between members of the U.S. Armed forces and their families, conducting disaster relief and prevention programs, and furnishing other humanitarian services, the largest of which is a network of regional blood centres providing blood and blood products. (05 Mar 2000) |
| amidonaphthol red | An azo dye, C18H13N3S2Na2, used in light and fluorescence microscopy as a real acid counterstain. Synonym: azophloxin. (05 Mar 2000) |