benzidine meaning in Hindi

Examples

1. It is positive in the benzidine test and weakly positive in methyl red test.
2. Azo dyes derived from benzidine are carcinogens; exposure to them has classically been associated with bladder cancer.
3. Many intermediates used in dye manufacture such as ortho-toluidine, benzidine etc . were found to be carcinogenic.
4. Under Maddocks'leadership, the union became more campaigning, particularly in opposing the use of benzidine-based dyes.
5. Accordingly, the production of benzidine azo dyes was discontinued in the 1980s " in the most important western industrialized countries ".
6. All progeny of the injected cells could later be discerned by staining for HRP using benzidine substrate or visualized by fluorescence microscopy.
7. Upon treatment with the bis ( diazonium ) derivative of benzidine, 1-aminonaphthalene-4-sulfonic acid gives Congo red.
8. The risk from aromatic amines, particularly benzidine and a-and ?naphthylamine, was not well-established until the 1950s.
9. Besides glucose oxidase, the test kit contains a benzidine derivative, which is oxidized to a blue polymer by the hydrogen peroxide formed in the oxidation reaction.
10. Nonetheless, through conducting Benzidine tests upon each garment, he had concluded each bore evidence of bloodstains, whereas no blood had been discovered on the knife or water-bottle.