Azorubine: physical, thermal and bioactive properties of the widely employed food, pharmaceutical and cosmetic red azo dye material

The degradation of azo dyes in an aerobic biofilter operated in an SBR system was studied. The azo dyes studied were Acid Red 151 and a textile effluent containing basic dyes (Basic Blue 41, Basic Red 46 and 16 and Basic Yellow 28 and 19). In the case of Acid Red 151 a maximal substrate degradation rate of 288 mg AR 151/lliquid·d was obtained and degradation efficiencies were between 60 and 99%. Mineralization studies showed that 73% (as carbon) of the initial azo dye was transformed to CO2 by the consortia. The textile effluent was efficiently biodegraded by the reactor. A maximal removal rate of 2.3 kg COD/lliquid·d was obtained with removal efficiencies (as COD) varying from 76 to 97%. In all the cycles the system presented 80% of colour removal.

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Enzymes Oxidizing the Azo Dye 1-Phenylazo-2-Naphthol (Sudan I) and their Contribution to its Genotoxicity and Carcinogenicity

Current Drug Metabolism ◽

10.2174/1389200216666150206125442 ◽

2015 ◽

Vol 15 (8) ◽

pp. 829-840 ◽

Cited By ~ 4

Author(s):

Marie Stiborova ◽

Heinz Schmeiser ◽

Eva Frei ◽

Petr Hodek ◽

Vaclav Martinek

Keyword(s):

Azo Dye ◽

Sudan I

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New Mixes Based on Collagen Extracts with Bioactive Properties, for Treatment of Seeds in Sustainable Agriculture

Current Pharmaceutical Biotechnology ◽

10.2174/1389201014666131227112020 ◽

2014 ◽

Vol 14 (9) ◽

pp. 792-801 ◽

Cited By ~ 5

Author(s):

Carmen Gaidau ◽

Mihaela Niculescu ◽

Emil Stepan ◽

Doru-Gabriel Epure ◽

Mihai Gidea

Keyword(s):

Sustainable Agriculture ◽

Bioactive Properties

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Photocatalytic Decolorization of an Azo Dye Derivative, Acid Yellow 29 in Aqueous Suspension of Titania

Current Catalysis ◽

10.2174/22115447113026660021 ◽

2014 ◽

Vol 3 (1) ◽

pp. 115-122

Author(s):

Abuzar Khan ◽

Niyaz Mir ◽

Mohammad Muneera ◽

Zaki Seddigi

Keyword(s):

Azo Dye ◽

Aqueous Suspension ◽

Photocatalytic Decolorization

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The polarographic and voltammetric determination of 2,6-dicyano-4-nitro-2'-acetylamino-4'-diethylaminoazobenzene

Collection of Czechoslovak Chemical Communications ◽

10.1135/cccc19901508 ◽

1990 ◽

Vol 55 (6) ◽

pp. 1508-1517 ◽

Cited By ~ 1

Author(s):

Jiří Barek ◽

Dagmar Civišová ◽

Ashutosh Ghosh ◽

Jiří Zima

Keyword(s):

Azo Dye ◽

Differential Pulse ◽

Differential Pulse Polarography ◽

Determination Limit ◽

Polarographic Reduction ◽

Hanging Mercury Drop Electrode ◽

Optimal Conditions ◽

Pulse Polarography ◽

Pulse Voltammetry

The polarographic reduction of the title azo dye was studied and optimal conditions were found for its analytical utilization in the concentration range 1 . 10-6 - 1 . 10-7 mol l-1 using differential pulse polarography and 1 . 10-6 - 1 . 10-8 mol l-1 using fast scan differential pulse voltammetry or linear scan voltammetry at a hanging mercury drop electrode. When the latter technique is combined with adsorptive accumulation of the studied substance on the surface of the hanging mercury drop, the determination limit can be further decreased to 3 . 10-9 mol l-1.

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Sorption of Water Soluble Organic Dyes on Magnetic Poly(oxy-2,6-dimethyl-1,4-phenylene)

Collection of Czechoslovak Chemical Communications ◽

10.1135/cccc19951448 ◽

1995 ◽

Vol 60 (9) ◽

pp. 1448-1456 ◽

Cited By ~ 36

Author(s):

Ivo Šafařík ◽

Miroslava Šafaříková ◽

Vlasta Buřičová

Keyword(s):

Organic Compounds ◽

Azo Dye ◽

Organic Dyes ◽

Water Soluble ◽

Magnetic Composite ◽

Water Solutions ◽

Magnetite Particles

Magnetic composite based on poly(oxy-2,6-dimethyl-1,4-phenylene) (PODMP) was prepared by melting the polymer with ε-caprolactam in a presence of fine magnetite particles. Magnetic PODMP was used for sorption of water soluble organic compounds (dyes belonging to triphenylmethane, heteropolycyclic and azo dye groups) from water solutions. There were considerable differences in the binding of the dyes tested. In general, heteropolycyclic dyes exhibited the lowest sorption.

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