Results 41 to 50 of about 569,297 (302)

Using Box–Behnken experimental design to optimize the degradation of Basic Blue 41 dye by Fenton reaction

, 2020
Degradation of a Basic Blue 41 dye using Fenton reagent was examined at laboratory scale in batch experiments using Box-Behnken statistical experiment design.
Kiflie, Zebene, Solomon, Desta, Van Hulle, Stijn   +2 more
core   +2 more sources

Enzymatic reduction of azo and indigoid compounds [PDF]

, 2007
A customer- and environment-friendly method for the decolorization azo dyes was developed. Azoreductases could be used both to bleach hair dyed with azo dyes and to reduce dyes in vat dyeing of textiles.
A Moutaouakkil, A Stolz, A. Cavaco-Paulo, AJP Kleinszanto, C. Held, CM Carliell, F Rafii, F Sousa, G. M. Guebitz, H Zollinger, IM Banat, J Maier, JL Bragger, K Wuhrmann, KT Chung, M. Bozic, M. Murkovic, N Matsudomi, R Russ, S Pricelius, S. Pricelius, T Zimmermann, T Zimmermann, TL Hu, V. Kokol   +24 more
core   +1 more source

Anionic azo dyes and their removal from textile wastewater through adsorption by various adsorbents: a critical review

Frontiers in Environmental Engineering
The review aimed to identify differences and similarities in the adsorption process of five azo dyes [congo red (CR), reactive black 5 (RB5), methyl orange (MO), orange II (OII), and methyl red (MR)] on natural materials, biosorbents, industrial and ...
Annika Strebel, Martin Behringer, Harald Hilbig, Alisa Machner, Brigitte Helmreich   +4 more
semanticscholar   +1 more source

Decolorization of azo dyes in a heterogeneous persulfate system using FeS as the activator

Water Science and Technology, 2021
Textile effluents containing synthetic refractory azo dyes are one of the most important sources of water pollution. However, these kinds of refractory organic pollutants did not resist a persulfate (PS) oxidation process which was correctly activated ...
Haijun Li, Chong Tang, Min Wang, Changgen Mei, Na Liu   +4 more
doaj   +1 more source

Photochromic properties of thienylpyrrole azo dyes in solution [PDF]

, 2006
The photochromic behaviour of thienylpyrrole azo dyes in THF solutions was studied for the first time. The photochromic properties are strongly dependent on the substitution pattern on the dyes.
Carvalho, Luís H. Melo de, Coelho, Paulo J., Fonseca, A. Maurício C., Raposo, M. Manuela M.   +3 more
core   +1 more source

Toxicity Assessment of 4 Azo Dyes in Zebrafish Embryos

International journal of toxicology, 2020
Azo dyes are used widely as color additives in food, drugs, and cosmetics; hence, there is an increasing concern about their safety and possible health hazards. In the present study, we chose 4 azo dyes tartrazine, Sunset Yellow, amaranth, and Allura red
Ling-Ling Jiang, Kang Li, Dong-Lin Yan, M. Yang, Lan Ma, Lizhe Xie   +5 more
semanticscholar   +1 more source

Supramolecular hierarchy among halogen and hydrogen bond donors in light-induced surface patterning [PDF]

, 2015
Halogen bonding, a noncovalent interaction possessing several unique features compared to the more familiar hydrogen bonding, is emerging as a powerful tool in functional materials design.
Barrett C. J., Cavallo G., Dichiarante V., Forni A., Goulet-Hanssens A., Metrangolo P., Priimagi A., Resnati G., Saccone M., Terraneo G., Vapaavuori J.   +10 more
core   +1 more source

Potential and prospects of reductases in azo dye degradation: a review

The Microbe
Synthetic dyes, particularly azo dyes, pose environmental and health risks because of their toxicity and persistence. To reduce these negative effects, it is necessary to degrade and detoxify these dyes into simple, non-toxic substances.
Tadele Assefa Aragaw
doaj   +1 more source

An Electrochemical Evaluation of Synthesized Coumarin-Azo Dyes as Potential Corrosion Inhibitors for Mild Steel in 1 M HCl Medium

International Journal of Electrochemical Science, 2020
The anti corrosion properties of mild steel were studied in 1.0 M HCl medium with azo-coumarin dyes inhibitor by electrochemical impedance and potentiodynamic polarization measurements.
Mohd Hamizi Yusoff, Mohamad Nurul Azmi, Mohd Hazwan Hussin, Hasnah Osman, Pandian Bothi Raja, Afidah Abdul Rahim, Khalijah Awang   +6 more
doaj   +1 more source

Enzymatic reduction and oxidation of fibre-bound azo-dyes [PDF]

, 2007
A new customer and environmental friendly method of hair bound dye decolouration was developed. Biotransformation of the azo-dyes Flame Orange and Ruby Red was studied using different oxidoreductases.
Deller, S., Guebitz, G. M., Held, C., Hofrichter, M., Macheroux, P., Murkovic, M., Paulo, Artur Cavaco, Pricelius, S., Sollner, S., Ullrich, R.   +9 more
core   +1 more source