Azo dyes and pigments constitute by far the most important chemical class of commercial organic colorant. They account for around 60 70% of the dyes used in traditional textile applications (see ...

In this work we screen the ability of a molybdenum-reducing bacterium isolated from contaminated soil to decolorize various azo and triphenyl methane dyes. The bacterium reduces molybdate to ...

The chemical class of colorants which is second in importance to azo dyes and pigments is characterised by the presence of a carbonyl (C=O) group, which may be regarded as the essential chromophoric ...

Two petroleum-based artificial dyes, E 110 (Sunset Yellow FCF) and E 124 (Ponceau 4R), provide the striking orange-red color ...