alizarine red


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Related to alizarine red: Alcian blue
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Noun1.alizarine red - a bright orange-red color produced in cotton cloth with alizarine dyealizarine red - a bright orange-red color produced in cotton cloth with alizarine dye
red, redness - red color or pigment; the chromatic color resembling the hue of blood
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The staining of Alizarine red and ALP activity was evaluated by three different persons independently of each other by assessing the staining intensity as follows: + weak staining, ++ modrate staining, +++ strong staining.
Different spectrophotometric procedures have been reported for determination of PEH including the formation of ion-pair complexes between the drug and alizarine, alizarine red S, alizarine yellow G or quinalizarine [14], ninhydrin in sulfuric acid [15], nitrobenzene derivates in acetonitrile medium [16], oxidative coupling with 4-aminoantipyrine in the presence of potassium ferricyanide or sodium periodate [17,18], diazotized p-nitroaniline or 2-aminobenzothiazol in alkaline medium [19,20], forming a charge transfer complex with chloranil or haematoxylin in alkaline medium [21,22]= 7and[23].