Relevant bibliographies by topics / Reactive dyes

Academic literature on the topic 'Reactive dyes'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 January 2023

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Journal articles on the topic "Reactive dyes"

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Teng, Xiao Xu, Jian Wei Shi, and Shu Fen Zhang. "Impact of Reactive Dye Structures on Dyeing Properties in Salt-Free Reactive Dyeing." Advanced Materials Research 781-784 (September 2013): 2716–21. http://dx.doi.org/10.4028/www.scientific.net/amr.781-784.2716.

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The cationic cotton was obtained by pretreatment with tertiary amine cationic polyacrylamide, and dyed with various active groups reactive dyes in the absence of salt. The influences of reactive dye structures on dyeing properties were analyzed and the results showed that types of active groups in reactive dyes had little effect on dye exhaustion, but it was quite relative with dye reactivity and fixation. Reactive dyes with low molecular weight and more anionic groups were adsorbed more quickly on the cationic cotton and their adsorption time to reach adsorption equilibrium was shorter, compared with that with large molecular weight and less anionic groups. Moreover, exhaustion of reactive dyes with large molecular structures decreased due to sterically hindered effect in the salt-free dyeing. The results also displayed that the monochlorotriazine reactive dyes and the vinyl-sulfone ones were favorable to dye the cationic cotton without salt addition.
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Ashraful Alam, Zakaria Ahmed, Neaz Morshed, Pulak Talukder, and Taslima Rahman. "Research on reuse of standing dye bath of reactive dye." International Journal of Frontline Research and Reviews 1, no. 2 (November 30, 2022): 006–10. http://dx.doi.org/10.56355/ijfrr.2022.1.2.0022.

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The aim of the work was to find out suitable method of dyeing so that costly reactive dye bath can be reused without draining them. Because of the hydrolysis of residual reactive dyes due to the fixation conditions and because of relatively large amounts of dyes and salts left in the effluent, reusing hydrolyzed reactive dyes is a challenge to dyers. Two reactive dyes were examined (reactive red, reactive yellow and two fabrics: nylon, silk as well as silk fiber and nylon yarn). When using suitable dyeing conditions by controlling pH and temperature, hydrolyzed reactive dye baths for silk and nylon dyeing showed very good wash and moderate colorfastness.
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Zhang, Guang Xian, Ling Zhong, Feng Xiu Zhang, Xu Ting Xue, Ming Lu, Hui Zheng, and Da Yang Wu. "Dyeing Acceleration Theory of Molecule Companion on Silk with Reactive Dyes." Advanced Materials Research 549 (July 2012): 70–73. http://dx.doi.org/10.4028/www.scientific.net/amr.549.70.

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In this paper, a novel high efficient dyeing acceleration theory of molecule companion(DATMC) on silk with reactive dyes was invented and studied. Organic cations were used as accelerants to company reactive dyes to dye on silk, and the dyed silk was washed with anionic surfactant. The results showed that the dye-uptake rates were very high, nearly 100%. But if the carbon atom number of hydrophobic hydrocarbon chain of organic cation was equal to or more than 12, the organic cation would affect the fixation reaction of reactive dye on silk. On the contrary, if it was equal to or less than 8, the fixation reaction would be accelerated. The fixation rates were 98.10% and 98.48% with octyl trimethyl ammonium bromide(OTAB) and hexyl butyl dimethyl ammonium bromide(HBDAB) as accelerants, respectively. The fastnesses of dyed silk were 4-5, and the silk could be dyed uniformly if the accelerant was added in several times.
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Huang, Yuan Li, Bing Du, Ye Fang, Yu Ping Zhao, Ruo Yuan Song, and Lai Jiu Zheng. "Mixed Reactive Disperse Dyes on Wool Yarn Dyeing in Supercritical CO2." Advanced Materials Research 627 (December 2012): 217–20. http://dx.doi.org/10.4028/www.scientific.net/amr.627.217.

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Mixed reactive disperse dyes is adopted to dye wool yarn by supercritical CO2 dyeing equipment, and the influencing factors on the wool yarn uptake are analyzed including dyeing temperature, dyeing time, dyeing pressure. The results reveal the interaction relationship between single dyes dyeing on the wool yarn: the total uptake of mixed reactive disperse dyes and the uptake of single reactive disperse dyes increase with the increasing of temperature and pressure, it also increase by the extension of time. In the same conditions, the total uptake of mixed reactive disperse dyes is more than the uptake of single reactive disperse dyes. The uptake of single reactive disperse dyes in the mixed dyes is less than the uptake of single reactive disperse dyes. In the dyeing process of mixed dyes, the wool yarn dyeing of two dyes has selective and competitive. Both color fastness to rubbing and color fastness to washing of dyed wool yarn are in line with national institute of standards.
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Gao, Aiqin, Hongjuan Zhang, and Kongliang Xie. "Synthesis of a novel tetrakisazo navy-blue reactive dye based on DSD acid and its synergistic blackening property." Pigment & Resin Technology 44, no. 6 (November 2, 2015): 386–91. http://dx.doi.org/10.1108/prt-10-2014-0095.

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Purpose – The purpose of this paper is to synthesise a tetrakisazo reactive dye and to characterise its dyeing property to meet the demand for better black reactive dyes. Design/methodology/approach – The novel tetrakisazo navy-blue reactive dye based on 4,4′-diaminostilbene-2,2′-disulphonic acid was designed and synthesized. The dyeing behaviour of it on cotton fabric was discussed. The synergistic blackening effect and absorbance spectra were investigated by absorbance and reflectance spectra, K/S and colorimetric data. Findings – The exhaustion and fixation of the designed reactive dye were higher than 20 per cent than those of the commercial reactive dye, CI Reactive Black 5. The novel reactive dye has complementary with Reactive Red SPB and Reactive Yellow C-5R in absorbance spectra from 360 to 700 nm. Three reactive dyes had synergistic effect in colour deepening properties. The dyed cotton fabric possessed high K/S value and low reflectance in the whole visual spectrum range from 360 to 700 nm. Practical implications – Comparison with the commercial Reactive Black DN-RN, the blackness of the dyed fabrics with the mixture dyes was greatly improved and the fastness properties on cotton fabrics were also good. Originality/value – The paper is an original research work. Because the mixture dyes had better blackness and good fastness properties, it would have wide application in the dyeing of cotton fabric.
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Meng, Chun Li, Yan Wei Wang, and Ji Liang Cao. "Dyeing of Polyester/Cotton Blends with Encapsulated Disperse/Reactive Dyes for a One-Bath Auxiliary-Free Process." Advanced Materials Research 441 (January 2012): 61–65. http://dx.doi.org/10.4028/www.scientific.net/amr.441.61.

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Research onthe one-bath dyeing process of encapsulated disperse dyes and reactive dyes on polyester/cotton blends showed that through the suitable modification before dyeing, polyester/cotton blends could be dyed with encapsulated disperse/reactive dyes in an auxiliary-free, one-bath method. The dyed goods attained excellent levelness and fastness. The residual dye in the final baths were very low. Thus, cleaner dyeing production and environment protection can be realized.
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Pei, Liujun, Juanjuan Liu, Guoqiang Cai, and Jiping Wang. "Study of hydrolytic kinetics of vinyl sulfone reactive dye in siloxane reverse micro-emulsion." Textile Research Journal 87, no. 19 (September 30, 2016): 2368–78. http://dx.doi.org/10.1177/0040517516671123.

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Reactive dyes maintain a long reaction with fiber and show a high dye uptake and fixation rate, and effectively decrease the dyeing waste water in siloxane reverse micro-emulsion. However, little research has been carried out into the hydrolysis reaction of reactive dyes in reverse micro-emulsion. In this study, Reactive Blue 19 was selected as a model vinyl sulfone reactive dye to study its hydrolysis in siloxane reverse micro-emulsion. The hydrolysis reaction was analyzed using high performance liquid chromatography. The results show that the hydrolysis rate of vinyl sulfone dyes in siloxane reverse micro-emulsion was slower than that in a traditional bath. Influences due to the ratio of aqueous dye solution to siloxane, non-ionic surfactant, cellulose fiber, and temperature on the hydrolysis reaction of vinyl sulfone reactive dye were also researched. The results show that with more aqueous solution emulsified in the siloxane media, the hydrolysis reaction of vinyl sulfone dye is faster. Reactive dyes were emulsified into a water micro-environment with non-ionic surfactant, which formed reverse micro-emulsion, and decreased the content of free water; this further influenced the hydrolysis of reactive dye.
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Xiao, Hang, Chunhong Li, Peng Wang, and Tao Zhao. "A feasible approach for enhancing union dyeing of wool/acrylic blend fabrics with heterobifunctional cationic reactive dyes." Textile Research Journal 89, no. 23-24 (May 13, 2019): 5085–95. http://dx.doi.org/10.1177/0040517519849452.

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In this work, a facile method to enhance union dyeing with cationic reactive dyes on wool/acrylic blend fabrics was reported. Three cationic reactive dyes containing various numbers of reactive groups were synthesized and employed on wool, acrylic and wool/acrylic blend fabrics using the one-bath one-step method. Factors affecting the dye exhaustion, union dyeing and leveling properties, including dyeing pH, temperature and dye structure, were investigated. Experimental results revealed that the cationic reactive dye containing heterobifunctional reactive groups and a cationic group attached on the backbone of structure exhibited better union dyeing properties, irrespective of dyeing method. The improvement in the union dyeing on wool and acrylic fabrics followed a decreasing order: Dye 1 > Dye 3 > Dye 2. In additional, the wool/acrylic blend fabrics dyed with Dye 1 showed outstanding leveling properties. The fastness properties of wool/acrylic fabrics for all cationic reactive dyes were good to excellent.
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Yan, Xiaoxing, Xingyu Qian, Rong Lu, and Tetsuo Miyakoshi. "Comparison and Optimization of Reactive Dyes and Coating Performance on Fraxinus mandshurica Veneer." Polymers 10, no. 12 (November 24, 2018): 1302. http://dx.doi.org/10.3390/polym10121302.

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In this study, Fraxinus mandshurica veneer was dyed with reactive brilliant red X-3B, black KN-B and blue K-3R dyes. The dye concentration, bath ratio and dyeing time were selected for an orthogonal experiment. Analysis of variance showed that the dye concentration had the greatest effect on the dye uptake of F. mandshurica veneer. In the independent experiments, dye uptake increased at first and then decreased with increasing dye concentration; the chromatic aberration increased with the dye concentration and then remained steady. The infrared spectra were used to examine the dyeing behaviors before and after dyeing and the binding form between reactive dyes and F. mandshurica veneer was analyzed. Based on the optimization of process parameters, the optimal dyeing condition was considered to be 75 °C, the dye concentration to be 0.5–1.0%, the dyeing time to be 60 min and the bath ratio to be 20:1. The dye uptakes of reactive brilliant red X-3B, black KN-B and blue K-3R dyes were 75.0–75.4%, 50.0–64.6% and 32.0–66.0%, respectively. The chromatic aberration of F. mandshurica veneer dyed with reactive brilliant red X-3B, black KN-B and blue K-3R dyes was 53.0–59.0, which was a significant increase. After dyeing, the hardness and impact strength of the waterborne coating on the dyed F. mandshurica increased but adhesion was reduced. The coating films produced a matte glossiness.
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Liu, Jie. "Dyeing Properties to Soybean/Flax Blended Yarn with Reactive Dyes." Advanced Materials Research 154-155 (October 2010): 515–18. http://dx.doi.org/10.4028/www.scientific.net/amr.154-155.515.

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For producing more colorful soybean /flax blended yarns and fabrics and to evaluate the dye-ability of the blends yarn, two types of reactive dyes, containing mono- and bi-functional reactive groups, were studied. On basis of a number of experiments, influences of time and temperature, alkali dosage, addition of promoter are analyzed, the optimum conditions to soybean/flax fibers with Reactive Yellow K-R and Reactive Yellow B-4RFN are defined. Results of performance test indicate that both K-type reactive dyes and B-type reactive dyes have good colorfastness and levels, especially for light to moderate color, and B-types is better than K-types. The colorfastness of the dyed yarns can meet the general requirements.
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Dissertations / Theses on the topic "Reactive dyes"

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Xue, Yulin. "Some new reactive dyes." Thesis, University of Kent, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.333964.

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Matthews, Rosalyn D. "Transformation and decolorization of reactive phthalocyanine." Diss., Available online, Georgia Institute of Technology, 2004:, 2003. http://etd.gatech.edu/theses/available/etd-04062004-164728/unrestricted/matthews%5Frosalyn%5Fd%5F200312%5Fphd.pdf.

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Thesis (Ph. D.)--School of Civil and Environmental Engineering, Georgia Institute of Technology, 2004. Directed by Spyros G. Pavlostathis.
Vita. Includes bibliographical references (leaves 381-393).
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Beydilli, Mumtaz Inan. "Reductive biotransformation and decolorization of reactive azo dyes." Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/21451.

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Nabi, Asfia. "Modified reactive dyes for cellulosic fibres." Thesis, University of Leeds, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.400880.

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Corner, David. "Reactive dyebath reuse systems." Thesis, Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/8498.

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Haleem, Asad Bilal. "Crosslinking nucleophilic dyes on cotton." Thesis, University of Leeds, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.250890.

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Al-Gamdy, Ahmad H. "Adsorptive stripping voltammetric determination of reactive dyes." Thesis, Loughborough University, 2000. https://dspace.lboro.ac.uk/2134/15294.

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The present study was mainly devoted to evaluate the applicability of differential pulse adsorptive stripping voltammetry (DPAdSV) for the determination of ultra-trace concentration levels of a range of reactive dyes. The studied reactive dyes were found to adsorb effectively onto the hanging mercury drop electrode (HMDE). This applied electroanalytical method was primarily based on the nonelectrolytic accumulation (adsorption) of the analyte of interest (reactive dye), followed by a cathodic reduction scan measurement. Consequently, the adsorptive stripping voltammograms of the analysed reactive dyes exhibited several useful electrochemical signals, corresponding to the cathodic reduction of the anthraquinone, azo and halo-striazine groups.
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Mueller, Carolin M. "The design of novel strong navy reactive dyes." Thesis, University of Manchester, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492125.

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In the current work novel navy and black fibre-reactive dye molecules were designed, synthesised and evaluated technically against the market leading dye, C.1. Reactive Black 5. Novel intermediates were synthesised using a Michael-type addition of 4aminophenyl- p-vinylsulphone onto various primary and secondary amines. The resulting novel bis(aminoaryl) intermediates were isolated and characterised, before being tetrazotised and utilised as linker molecules in the synthesis of four novel reactive dyes, each possessing two 'twice coupled H-acid' units. These reactive dyes were then applied to cotton in an exhaust dyeing process, at different concentrations, and their dyeing performance was compared to that of the market leading dye. The novel dyes were up to 20% stronger on the cloth than the reference dye. This first series of dyes derived from novel linker intermediates had molar extinction coefficients of around 90,000 L mor1 cm-1 . The second series of dyes was derived from commercially available linker intermediates, which allowed a different degree of electron transfer from one chromophoric part of the molecule to the other. As a result of electron transfer, the molar extinction coefficients increased up to 144,000 L mor1 cm-1 . It was found that the structure of the linking molecule has a significant influence on the 3-dimensional structure of the overall dye molecule and thus on its dyeing performance, for example the dye derived from 3,3'-diaminodiphenyl sulphone performed much better, than its para-isomer. Arising from the unexpectedly large difference in technical properties of isomeric dyes, a series of eight isomeric dyes was synthesised and evaluated. The differences in dyeing performance were clearly related to their 3dimensional structures. It was found that dyes possessing a meta-sulphone linker were technically superior to the para-isomers. The isomers with meta structures appeared more hypsochromic with a wider half band width, while the para linker had a bathochromic influence and having a shorter half band width. All dyes performed better, at high concentrations, when applied at higher temperature, i.e. 80°C compared to 60 °C, possibly attributable to their size. A fourth series of four novel bis(monochlorotriazinyl) dyes was prepared from an identical dyebase, but with varying degree of sulphonation. This resulted in different levels of anionic charge, which influenced the dyes' solubility and dyeing performance. A number of eight sulphonate groups was found to be the optimum in terms of solubility and dyeing performance, but that the optimum number of sulphonate groups is strongly dependent on the type of chromophore.
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Lee, Young H. "Reductive biotransformation and decolorization of reactive anthraquinone dyes." Diss., Available online, Georgia Institute of Technology, 2004:, 2003. http://etd.gatech.edu/theses/available/etd-04062004-164708/unrestricted/lee%5Fyoung%5Fh%5F200312%5Fphd.pdf.

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Thesis (Ph. D.)--School of Electrical and Computer Engineering, Georgia Institute of Technology, 2004. Directed by Spyros G. Pavlostathis.
Vita. Includes bibliographical references (leaves 332-345).
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Kennerley, Vanessa M. "The microbial decolourisation of textile dyes." Thesis, Nottingham Trent University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.314330.

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Books on the topic "Reactive dyes"

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Ivanov, V. B. Reactive dyes in biology. Chur, Switzerland: Harwood Academic Publishers, 1987.

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Weber, Eric J. Reactive dyes in the aquatic environment: A case study of Reactive Blue 19. Athens, GA: U.S. Environmental Protection Agency, Environmental Research Laboratory, 1990.

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Clonis, Y. D., T. Atkinson, C. J. Bruton, and C. R. Lowe, eds. Reactive Dyes in Protein and Enzyme Technology. London: Macmillan Education UK, 1987. http://dx.doi.org/10.1007/978-1-349-06582-0.

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Yang, Xiaoyan. Experimental and modelling studies of reactive dyes adsorption onto activated carbon in a batch reactor. Birmingham: University of Birmingham, 2001.

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service), SpringerLink (Online, ed. Adsorption of Reactive Red 158 Dye by Chemically Treated Cocos Nucifera L. Shell Powder: Adsorption of Reactive Red 158 by Cocos Nucifera L. Dordrecht: The Author(s), 2011.

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Mudhoo, Ackmez. Adsorption of Reactive Red 158 Dye by Chemically Treated Cocos Nucifera L. Shell Powder. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1986-6.

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K, Venkataraman. Chemistry of Synthetic Dyes V6: Reactive Dyes. Elsevier Science & Technology Books, 2012.

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Hunter, A. M. Reactive Dyes for Textile Fabrics. Society of Dyers & Colourists, 1999.

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Shanghai shi fang zhi gong ye ju "Ran liao ying yong shou ce" bian xie zu., ed. Huo xing ran liao. Beijing: Fang zhi gong ye chu ban she, 1985.

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Clonis, Y. D. Reactive Dyes in Protein and Enzyme Technology. Palgrave Macmillan, 1987.

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Book chapters on the topic "Reactive dyes"

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Gooch, Jan W. "Dyes, Fiber-Reactive Dyes." In Encyclopedic Dictionary of Polymers, 249. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_4150.

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Gooch, Jan W. "Fiber-Reactive Dyes." In Encyclopedic Dictionary of Polymers, 301. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_4868.

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Stead, C. V. "The Chemistry of Reactive Dyes." In Reactive Dyes in Protein and Enzyme Technology, 13–32. London: Macmillan Education UK, 1987. http://dx.doi.org/10.1007/978-1-349-06582-0_2.

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Lewis, David M. "Dyeing Wool with Reactive Dyes." In The Coloration of Wool and other Keratin Fibres, 251–90. Oxford, UK: John Wiley & Sons, Ltd, 2013. http://dx.doi.org/10.1002/9781118625118.ch9.

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Georghiou, Luke, J. Stanley Metcalfe, Michael Gibbons, Tim Ray, and Janet Evans. "Imperial Chemical Industries: ‘Procion’ Reactive Dyes." In Post-Innovation Performance, 187–94. London: Palgrave Macmillan UK, 1986. http://dx.doi.org/10.1007/978-1-349-07455-6_20.

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Beydilli, M. Inan, Spyros G. Pavlostathis, and Wayne C. Tincher. "Anaerobic Biotransformation of Reactive Textile Dyes." In Hazardous and Industrial Waste Proceedings, 463–72. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003075905-62.

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Pearson, J. C. "Fractional Protein Precipitation Using Triazine Dyes." In Reactive Dyes in Protein and Enzyme Technology, 187–91. London: Macmillan Education UK, 1987. http://dx.doi.org/10.1007/978-1-349-06582-0_9.

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Stead, C. V. "Structure, Preparation and Chemistry of Reactive Dyes." In Protein-Dye Interactions: Developments and Applications, 21–32. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-1107-9_3.

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Oluwalana, Abimbola E., and Nhamo Chaukura. "Degradation of Reactive Dyes Using Photoactive Membranes." In Nano-engineered Materials for Textile Waste Remediation, 35–60. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-7978-1_3.

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Lowe, C. R. "Introduction to the Use of Reactive Dyes in Biotechnology." In Reactive Dyes in Protein and Enzyme Technology, 1–11. London: Macmillan Education UK, 1987. http://dx.doi.org/10.1007/978-1-349-06582-0_1.

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Conference papers on the topic "Reactive dyes"

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Li, Shan, and Yanlong Liu. "Reactive dyes on the wood veneer dyeing research." In 2nd International Conference on Electronic and Mechanical Engineering and Information Technology. Paris, France: Atlantis Press, 2012. http://dx.doi.org/10.2991/emeit.2012.315.

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Vasugi, G., G. Suresh Kumar, and E. K. Girija. "Adsorption of reactive dyes on to carbonate substituted nanohydroxyapatite." In SOLID STATE PHYSICS: Proceedings of the 58th DAE Solid State Physics Symposium 2013. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4872784.

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Yu, Shengfei, Dan Xu, Xiao Zhang, Tianhui Yu, Yuan Liu, Xu Wang, and Na Li. "Development of Dyeing Mechanism of Wood with Reactive Dyes." In 2015 International Symposium on Energy Science and Chemical Engineering. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/isesce-15.2015.28.

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Anh, Nguyen Thai, Tran Tien Khoi, Nguyen Nhat Huy, Hoang Thi Ngoc Mai, and Nguyen Hong Ngoc Linh. "Treatment of Wastewater Containing Reactive Dyes by electro-Fenton Method." In 2020 5th International Conference on Green Technology and Sustainable Development (GTSD). IEEE, 2020. http://dx.doi.org/10.1109/gtsd50082.2020.9303141.

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"Biosorption of Reactive azo dyes from Aqueous Solution using Chitosan." In 3rd International Conference on Biological, Chemical and Environmental Sciences. International Institute of Chemical, Biological & Environmental Engineering, 2015. http://dx.doi.org/10.15242/iicbe.c0915020.

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Modak, Poly R., and Kripa S. Singh. "Performance of Biopolymer in Relation to Removal of Reactive Azo-Dyes." In World Environmental and Water Resources Congress 2007. Reston, VA: American Society of Civil Engineers, 2007. http://dx.doi.org/10.1061/40927(243)586.

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Deng, Hong. "Application and Outlook of Environment-Friendly Reactive Dyes in Wood Dyeing Industry." In 2010 International Conference on Management and Service Science (MASS 2010). IEEE, 2010. http://dx.doi.org/10.1109/icmss.2010.5576452.

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Selvi, S. Keerthana, and Sangeetha Nachimuthu. "Biosorption of reactive dyes by green synthesis of nanocomposite using Moringa olifera." In PROCEEDINGS OF THE 4TH NATIONAL CONFERENCE ON CURRENT AND EMERGING PROCESS TECHNOLOGIES E-CONCEPT-2021. AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0070228.

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Jiang, HuiYu, Min Dong, and Feng Yang. "Forecasting of the Reactive Dyes K/S Value Based on BP Nerve Network." In Third International Conference on Natural Computation (ICNC 2007). IEEE, 2007. http://dx.doi.org/10.1109/icnc.2007.389.

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Jiang, HuiYu, Min Dong, and Wei Li. "Predicting K/S Value of the Reactive Dyes Based on RBF Neural Network." In 2009 Asia-Pacific Conference on Information Processing, APCIP. IEEE, 2009. http://dx.doi.org/10.1109/apcip.2009.31.

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Reports on the topic "Reactive dyes"

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Asenath-Smith, Emily, Emma Ambrogi, Eftihia Barnes, and Jonathon Brame. CuO enhances the photocatalytic activity of Fe₂O₃ through synergistic reactive oxygen species interactions. Engineer Research and Development Center (U.S.), September 2021. http://dx.doi.org/10.21079/11681/42131.

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Iron oxide (α-Fe₂O₃, hematite) colloids were synthesized under hydrothermal conditions and investigated as catalysts for the photodegradation of an organic dye under broad-spectrum illumination. To enhance photocatalytic performance, Fe₂O₃ was combined with other transition-metal oxide (TMO) colloids (e.g., CuO and ZnO), which are sensitive to different regions of the solar spectrum (far visible and ultraviolet, respectively), using a ternary blending approach for compositional mixtures. For a variety of ZnO/Fe₂O₃/CuO mole ratios, the pseudo-first-order rate constant for methyl orange degradation was at least double the sum of the individual Fe₂O₃ and CuO rate constants, indicating there is an underlying synergy governing the photocatalysis reaction with these combinations of TMOs. A full compositional study was carried out to map the interactions between the three TMOs. Additional experiments probed the identity and role of reactive oxygen species and elucidated the mechanism by which CuO enhanced Fe₂O₃ photodegradation while ZnO did not. The increased photocatalytic performance of Fe2O3 in the presence of CuO was associated with hydroxyl radical ROS, consistent with heterogeneous photo-Fenton mechanisms, which are not accessible by ZnO. These results imply that low-cost photocatalytic materials can be engineered for high performance under solar illumination by selective pairing of TMOs with compatible ROS.
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2

Miller, Phyllis Bell. Spreadsheets to Dye for: Using Excel to Teach and Facilitate the Fiber-Reactive Dyeing Process. Ames: Iowa State University, Digital Repository, November 2015. http://dx.doi.org/10.31274/itaa_proceedings-180814-123.

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3

Zaharieva, Katerina, Irina Stambolova, Maria Shipochka, Sasho Vassilev, Vladimir Blaskov, Ljubomir Dimitrov, Ralitsa Mladenova, Diana Nihtianova, and Pavel Markov. Photocatalytic Performance of Phosphorus Doped Titanium Dioxide Nanomaterials for Degradation of Reactive Black 5 Azo Dye. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, October 2020. http://dx.doi.org/10.7546/crabs.2020.10.07.

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4

Lance, Richard, and Xin Guan. Variation in inhibitor effects on qPCR assays and implications for eDNA surveys. Engineer Research and Development Center (U.S.), August 2021. http://dx.doi.org/10.21079/11681/41740.

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Aquatic environmental DNA (eDNA) surveys are sometimes impacted by polymerase chain reaction (PCR) inhibitors. We tested varying concentrations of different inhibitors (humic, phytic, and tannic acids; crude leaf extracts) for impacts on quantitative PCR (qPCR) assays designed for eDNA surveys of bighead and silver carp (Hypophthalmichthys nobilis and Hypophthalmichthys molitrix). We also tested for inhibition by high concentrations of exogenous DNA, hypothesizing that DNA from increasingly closely related species would be increasingly inhibitory. All tested inhibitors impacted qPCR, though only at very high concentrations — likely a function, in part, of having used an inhibitor-resistant qPCR solution. Closer phylogenetic relatedness resulted in inhibition at lower exogenous DNA concentrations, but not at relatively close phylogenetic scales. Inhibition was also influenced by the qPCR reporter dye used. Importantly, different qPCR assays responded differently to the same inhibitor concentrations. Implications of these results are that the inclusion of more than one assay for the same target taxa in an eDNA survey may be an important countermeasure against false negatives and that internal positive controls may not, in the absence of efforts to maximize inhibition compatibility, provide useful information about the inhibition of an eDNA assay.
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