Ehrlich aldehyde reagent — 4 g of paradimethylaminobenzaldehyde in a mixture of 80 mL of concentrated hydrochloric acid and 380 mL of ethyl alcohol … Medical dictionary
Ehrlich diazo reagent — Solution A: dissolve 5 g of sodium nitrite in 1 L of distilled water. Solution B: dissolve 5 g of sulfanilic acid and 50 mL of hydrochloric acid in 1 L of distilled water. For use mix 1 part of A with 50 to 100 parts of B … Medical dictionary
Reagent — A substance used to produce a chemical reaction to detect, measure, produce, etc. other substances. * * * Any substance added to a solution of another substance to participate in a chemical reaction. [Mod. L. reagens] amino acid r. a r. used in… … Medical dictionary
Ehrlich — Paul, German bacteriologist, immunologist, and Nobel laureate, 1854–1915. See Ehrlichia, E. anemia, E. inner body, E. phenomenon, E. postulate, E. diazo reagent, E. theory, E. Türk line. See entries under stain; reaction … Medical dictionary
Indole test — The indole test is a biochemical test performed on bacterial species to determine the ability of the organism to split indole from the amino acid tryptophan. This division is performed by a chain of a number of different intracellular enzymes, a… … Wikipedia
bilirubin — A yellow bile pigment found as sodium bilirubinate (soluble), or as an insoluble calcium salt in gallstones; formed from hemoglobin during normal and abnormal destruction of erythrocytes by the reticuloendothelial … Medical dictionary
Psilocybin — Psilocybin … Wikipedia
azobilirubin — The red violet pigment formed by the condensation of diazotized sulfanilic acid with bilirubin in the van den Bergh reaction. * * * azo·bil·i·ru·bin (a″zo bilґĭ roo″bin) bilirubin that has been diazotized by exposure to Ehrlich… … Medical dictionary
paradimethylaminobenzaldehyde — para·di·meth·yl·ami·no·benz·al·de·hyde (par″ə di meth″əl ə me″no ben zalґdə hīd) white or pale yellow crystals or crystalline powder, used in the preparation of Ehrlich aldehyde reagent and in the… … Medical dictionary
stain — 1. To discolor. 2. To color; to dye. 3. A discoloration. 4. A dye used in histologic and bacteriologic technique. 5. A procedure in which a dye or combination of dyes and reagents is used to color the constituents of cells and tissues. For… … Medical dictionary
