Biebrich scarlet (C.I. 26905) is a molecule used in Lillie's trichrome. The dye was created in 1878 by the German chemist Rudolf Nietzki. Biebrich scarlet dyes are used to color hydrophobic materials like fats and oils. The dye is an illegal dye for food additives because of its

carcinogenic A carcinogen is any substance, radionuclide, or radiation that promotes carcinogenesis (the formation of cancer). This may be due to the ability to damage the genome or to the disruption of cellular metabolic processes. Several radioactive substan ...

properties. Biebrich scarlet can have harmful effects on living and non-living organisms in natural water, therefore the pollutant must be removed. Removal of the pollutant involves absorption,

membrane filtration Membrane technology encompasses the scientific processes used in the construction and application of membranes. Membranes are used to facilitate the transport or rejection of substances between mediums, and the mechanical separation of gas and li ...

, precipitation,

ozonation Ozone (), or trioxygen, is an inorganic molecule with the chemical formula . It is a pale blue gas with a distinctively pungent smell. It is an allotrope of oxygen that is much less stable than the diatomic allotrope , breaking down in the lo ...

, fungal detachment, and electrochemical separation.

Hydrogel A hydrogel is a crosslinked hydrophilic polymer that does not dissolve in water. They are highly absorbent yet maintain well defined structures. These properties underpin several applications, especially in the biomedical area. Many hydrogels ar ...

absorbents have active sites to which the dye is held using electrostatic interactions.

Photocatalysis In chemistry, photocatalysis is the acceleration of a photoreaction in the presence of a catalyst. In catalyzed photolysis, light is absorbed by an adsorbed substrate. In photogenerated catalysis, the photocatalytic activity depends on the abili ...

allows for almost total degradation of Biebrich scarlet

azo dye Azo dyes are organic compounds bearing the functional group R−N=N−R′, in which R and R′ are usually aryl and substituted aryl groups. They are a commercially important family of azo compounds, i.e. compounds containing the C-N=N ...

bonds in less than 10 hours. Degradation of Biebrich scarlet is also observed using

lignin peroxidase In enzymology, a lignin peroxidase () is an enzyme that catalyzes the chemical reaction :1,2-bis(3,4-dimethoxyphenyl)propane-1,3-diol + H2O2 \rightleftharpoons 3,4-dimethoxybenzaldehyde + 1-(3,4-dimethoxyphenyl)ethane-1,2-diol + H2O Thus, the ...

enzyme from wood rotting fungus in the presence of mediators like 2-chloro-1,4-dimethoxybenzene.

References

Staining Azo dyes Acid dyes {{biochem-stub

See also

References