{"title":"A new technique for staining catecholic residues in biological samples.","authors":"R Kalyani, K Nellaiappan","doi":"10.3109/10520298909108038","DOIUrl":null,"url":null,"abstract":"<p><p>This technique for localizing catecholic residues in biological samples is based on the condensation of Besthorn's hydrazone (3-methyl-2-benzothiazolinone hydrazone hydrochloride (MBTH) with quinone residues obtained by the oxidation of catechols in the presence of ammonia. The product is a dark pink MBTH-quinone compound. This method is very sensitive and positive to catechol even at the 0.05 microgram level and the final product is chemically stable.</p>","PeriodicalId":21924,"journal":{"name":"Stain technology","volume":"64 1","pages":"15-8"},"PeriodicalIF":0.0000,"publicationDate":"1989-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.3109/10520298909108038","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Stain technology","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3109/10520298909108038","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
This technique for localizing catecholic residues in biological samples is based on the condensation of Besthorn's hydrazone (3-methyl-2-benzothiazolinone hydrazone hydrochloride (MBTH) with quinone residues obtained by the oxidation of catechols in the presence of ammonia. The product is a dark pink MBTH-quinone compound. This method is very sensitive and positive to catechol even at the 0.05 microgram level and the final product is chemically stable.
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