Relevant bibliographies by topics / Triphenylmethane Dyes

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Academic literature on the topic 'Triphenylmethane Dyes'

Author: Grafiati
Published: 5 June 2025
Last updated: 1 August 2025

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Journal articles on the topic "Triphenylmethane Dyes"

1

Šafařík, Ivo, Miroslava Šafaříková, and Naděžda Vrchotová. "Study of Sorption of Triphenylmethane Dyes on a Magnetic Carrier Bearing an Immobilized Copper Phthalocyanine Dye." Collection of Czechoslovak Chemical Communications 60, no. 1 (1995): 34–42. http://dx.doi.org/10.1135/cccc19950034.

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Magnetite particles bearing covalently immobilized copper phthalocyanine dye ("blue magnetite") were prepared and used for the sorption of triphenylmethane dyes from aqueous solutions. The binding of some triphenylmethane dyes bearing two or three amino groups (basic fuchsin, crystal violet, malachite green) followed the Langmuir adsorption model. The maximum adsorption capacities were calculated. Dyes having no amino group in their molecules exhibited only low adsorption to immobilized copper phthalocyanine. The presence of amino groups in the molecules of triphenylmethane dyes seems to be ne
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2

Azmi, Wamik, Rajesh Kumar Sani, and Uttam Chand Banerjee. "Biodegradation of triphenylmethane dyes." Enzyme and Microbial Technology 22, no. 3 (1998): 185–91. http://dx.doi.org/10.1016/s0141-0229(97)00159-2.

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3

Ge, Mingrui, Wei Deng, Ziyi Wang, Chenwen Weng, and Yang Yang. "Effective Decolorization and Detoxification of Single and Mixed Dyes with Crude Laccase Preparation from a White-Rot Fungus Strain Pleurotus eryngii." Molecules 29, no. 3 (2024): 669. http://dx.doi.org/10.3390/molecules29030669.

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To fully harness the potential of laccase in the efficient decolorization and detoxification of single and mixed dyes with diverse chemical structures, we carried out a systematic study on the decolorization and detoxification of single and mixed dyes using a crude laccase preparation obtained from a white-rot fungus strain, Pleurotus eryngii. The crude laccase preparation showed efficient decolorization of azo, anthraquinone, triphenylmethane, and indigo dyes, and the reaction rate constants followed the order Remazol Brilliant Blue R > Bromophenol blue > Indigo carmine > New Coccine
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Forleo, Tiziana, Lorena Carla Giannossa, Anna De Juan Capdevila, Giovanni Lagioia, and Annarosa Mangone. "Hats Off to Modeling! Profiling Early Synthetic Dyes on Historic Woolen Samples with ATR-FTIR Spectroscopy and Multivariate Curve Resolution–Alternating Least Square Algorithm." Molecules 29, no. 19 (2024): 4651. http://dx.doi.org/10.3390/molecules29194651.

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This research focuses on analyzing wool samples dyed with synthetic dyes from the early 20th century. A methodology to identify and distinguish wool fibers dyed with azo, triphenylmethane, and xanthene dyes, which are no longer in use, using the ATR-FTIR spectra, is presented. Firstly, the dataset was subjected to PCA, which revealed the similarities and differences among the samples, illustrating a distribution pattern based on dye classes. MCR-ALS was employed to extract the spectral profiles of the dyed fibers, thereby enhancing the efficacy of the analytical techniques and extracting the c
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Vishtorskaya, Antonina, Natalya Romanova, and Pavel Golovin. "ON THE PERIODS OF TRIPHENYLMETHANE DYES REMOVAL AFTER FISH PROCESSING." Fisheries 2020, no. 3 (2020): 94–100. http://dx.doi.org/10.37663/0131-6184-2020-3-94-100.

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In the article, the period of triphenylmethane dyes (for example, malachite green
 and crystal violet) removal from the fish’s tissues after treatment is examined. In the
 Russian Federation, their use in aquaculture was discontinued. No alternative
 replacement for these drugs was found which led to a worsening of the epizootic
 situation in fish farms. The established terms for malachite green excretion for
 rainbow trout are 282 days (10 months), for purple "K" during summer carp
 breeding - 40 days (1.5 months). The use of these dyes during incubation period&#
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Kim, Myung Hee, Yoonjeong Kim, Hyo-Jung Park, et al. "Structural Insight into Bioremediation of Triphenylmethane Dyes byCitrobactersp. Triphenylmethane Reductase." Journal of Biological Chemistry 283, no. 46 (2008): 31981–90. http://dx.doi.org/10.1074/jbc.m804092200.

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Chmelová, Daniela, and Miroslav Ondrejovič. "Effect Of Metal Ions On Triphenylmethane Dye Decolorization By Laccase From Trametes Versicolor." Nova Biotechnologica et Chimica 14, no. 2 (2015): 191–200. http://dx.doi.org/10.1515/nbec-2015-0026.

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Abstract The aim of this study was investigate the influence of different metal ions on laccase activity and triphenylmethane dye decolorization by laccase from white-rot fungus Trametes versicolor. Laccase activity was inhibited by monovalent ions (Li+, Na+, K+ and Ag+) but the presence of divalent ions increased laccase activity at the concentration of 10 mmol/l. The effect of metal ions on decolorization of triphenylmethane dyes with different structures namely Bromochlorophenol Blue, Bromophenol Blue, Bromocresol Blue and Phenol Red was tested. The presence of metal ions (Na+, K+, Mg2+, Ca
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Schlüter, Andreas, Irene Krahn, Florian Kollin та ін. "IncP-1β Plasmid pGNB1 Isolated from a Bacterial Community from a Wastewater Treatment Plant Mediates Decolorization of Triphenylmethane Dyes". Applied and Environmental Microbiology 73, № 20 (2007): 6345–50. http://dx.doi.org/10.1128/aem.01177-07.

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ABSTRACT Plasmid pGNB1 was isolated from bacteria residing in the activated sludge compartment of a wastewater treatment plant by using a transformation-based approach. This 60-kb plasmid confers resistance to the triphenylmethane dye crystal violet and enables its host bacterium to decolorize crystal violet. Partial sequencing of pGNB1 revealed that its backbone is very similar to that of previously sequenced IncP-1β plasmids. The two accessory regions of the plasmid, one located downstream of the replication initiation gene trfA and the other located between the conjugative transfer modules
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Wu, Eric C., Qinghui Ge, Eric A. Arsenault, et al. "Two-dimensional electronic-vibrational spectroscopic study of conical intersection dynamics: an experimental and electronic structure study." Physical Chemistry Chemical Physics 21, no. 26 (2019): 14153–63. http://dx.doi.org/10.1039/c8cp05264f.

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Šafařík, Ivo, Miroslava Šafaříková, and Vlasta Buřičová. "Sorption of Water Soluble Organic Dyes on Magnetic Poly(oxy-2,6-dimethyl-1,4-phenylene)." Collection of Czechoslovak Chemical Communications 60, no. 9 (1995): 1448–56. http://dx.doi.org/10.1135/cccc19951448.

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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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Dissertations / Theses on the topic "Triphenylmethane Dyes"

1

Unsworth, Christine. "The chemistry of some triphenylmethane dyes." Thesis, University of Central Lancashire, 1991. http://clok.uclan.ac.uk/19774/.

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A comprehensive series of Pyrrole Green dyes containing substituents in the 2-, 3- and 4-positions of the phenyl ring have been synthesised from the relevant carbinols. The steric and electronic effects of the substituents on the visible absorption spectra of the dyes have been examined and linear correlations between A max and appropriate Hammett substituent constants have been established. The rates of hydrolysis of the 4-diethylamino substituted analogue of Pyrrole Green and some 4 1 ,4 11 -bis(N-ethyl-N- 2,2, 2-trifluoroethyl)aminotriphenylmethyl dyes have been studied under a range of dif
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2

Armstrong, Lyle. "Synthesis, spectra and photochemistry of trifluoroethyl substituted triphenylmethane dyes." Thesis, University of Newcastle Upon Tyne, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303385.

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Burrows, Kenneth Dvid. "The chemistry of some heterocyclic analogues of triphenylmethane dyes." Thesis, University of Central Lancashire, 1985. http://clok.uclan.ac.uk/20234/.

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A comprehensive series of triphenylmethane dyes has been synthesised in which the phenyl ring of Malachite Green has been replaced by a 5- or 6- membered heterocycle containing nitrogen, oxygen or sulphur as hetetâacoins. The visible absorption spectra of the dyes have been correlated with the electronic and structural features of the molecules. Novel analogues of Malachite Green have been prepared containing terminal pyrrolidine and N-methylpiperazine groups. Differences in the electronic absorption spectra of the parent dyes have been compared with those of related systems and the difference
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HSIEH, HSIN-CHOU, and 謝欣洲. "Study on the Degradation of Triphenylmethane Dyes by Conventional Fenton’s Reagent and Potassium Ferrate." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/19217179311146487403.

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碩士<br>逢甲大學<br>環境工程與科學學系<br>105<br>Chemical dyes exist in our living environment and may damage to human health and cause environmental pollution. Tri-phenylmethane dyes such as crystal violet (CV) and brilliant green (BG) were widely used in textile industry, aquaculture, and medical profession, etc.. Contact or eating these chemicals will cause skin allergy, respiratory tract, irritation of liver and kidney, and crystal violet has been proven to be carcinogenic substances. The current EPA provisions laws regulated that CV and BG in the water and aquatic products should not be detected. In
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胡芊芃. "Biodegradation products of azo and triphenylmethane dyes by Shewanella sp. NTOU1 under anaerobic/aerobic systems." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/01184610520420741239.

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碩士<br>國立臺灣海洋大學<br>海洋生物研究所<br>96<br>More than 7×105 metric tones of dyestuff are produced world-wide annually, especially azo and triphenylmethane dyes. Previous studies have demonstrated that these dyes can be reduced and intermediates of dyes, aromatic amines, caused serious environment toxicity. In this study, we use different cell concentrations of Shewanella sp. NTOU1 and under aerobic or anaerobic conditions attempt to degrade six kinds of aromatic amines (aniline, benzidine, sulfanilic acid, sulfanilamide, o-aminobenzoate, p-phenyldiamine and Michler’s ketone). These results suggested th
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Chia-Wei and 吳嘉偉. "Synthesis and properties of nano-catalysts and its efficiencies, mechanisms of catalystic degradation with triphenylmethane dyes." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/67059817743369885519.

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碩士<br>中山醫學大學<br>應用化學系碩士班<br>97<br>The TiO2(ZnO)-mediated photocatalysis process was used to successfully degrade dye pollutants. To better understand the degradation of mechanistic between different catalysts. Three part of topics was discussed in this study. The fiest part, the ZnO-mediated photocatalysis process was used to successfully degrade Victoria Blue R (VBR) under visible light irradiation. The effects of the influencing factors, including initial concentration of dye, catalyst dosage, and initial pH, were studied. 63 intermediates of VBR of the photodegradation were separated, ident
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Shou-Ching and 劉守靜. "Synthesis of nano-photocatalysts using hydrothermal method and its efficiencies, mechanisms of photocatalytic degradation with triphenylmethane dyes." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/99732882454614672001.

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碩士<br>中山醫學大學<br>應用化學系碩士班<br>97<br>In this study, we use the photocatalytic degradation of Advanced Oxidation Processes (AOPs) to decompose the dyes, also discussed the condition of degradation and the factors which can influence the degradation rate. Besides, we employed selected material as substrates to synthesize nano-size photocatalysts. A completive photodegradation study of the triphenyllmethane dyes is reported in aqueous TiO2 suspensions. The effect of various adsorbed dye in TiO2 aqueous suspension was studied. The adsorption and photodegradation have been investigated in illuminated
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Cheng, Meichun, and 鄭美君. "Synthesis and properties of nano Bi2WO6 photocatalysts and peroxymonosulfate advanced oxidation processes degradation with triphenylmethane dyes about efficiency and mechanisms." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/77441204729821280150.

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碩士<br>國立臺中教育大學<br>科學應用與推廣學系科學教育碩士班<br>99<br>Two topics were discussed in this study, including homogeneous and heterogeneous reactions in the degradation of dyes. In the first part, the sulfate radical-based advanced oxidation technology was shown significant potential for environmental remediation to treat dye wastewater. The AOPs proceeded by Cobalt (Ⅱ) activation of peroxymonosulfate (PMS), i.e. Oxone for the Acid Blue 1 (AB1) dye, was studied in this work. It was observed that the degradation of AB1 in the Co2+/PMS system proceeded very fast and just required small amount of oxidant. It
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Chengalroyen, Melissa Dalcina. "Studies on triphenylmethane, azo dye and latex rubber biodegradation by actinomycetes." Thesis, 2011. http://hdl.handle.net/10539/10313.

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The first component of this project looked at the production of secondary metabolites by mycelial actinomycetes which could prove useful in the bioremediation of dyes and rubber. Through the screening of a genomic library relevant genes were identified. The second component focussed on the brief characterization of biotechnologically relevant antimicrobials and phytase. The third component dealt with method development through the improvement of a broad host range selective vector and the regeneration of Streptomyces spp. in liquid broth.
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Books on the topic "Triphenylmethane Dyes"

1

Burrows, Kenneth David. The chemistry of some heterocyclic analogues of triphenylmethane dyes. Lancashire Polytechnic, 1985.

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2

Armstrong, Lyle. Synthesis, spectra and photochemistry of trifluoroethyl substituted triphenylmethane dyes. 1992.

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3

Du, Mei. Femtosecond spectroscopic studies of elementary steps in photosynthesis and barrierless reaction of triphenylmethane dyes in solution. 1993.

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Book chapters on the topic "Triphenylmethane Dyes"

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Jasińska, Anna, Katarzyna Paraszkiewicz, Mirosława Słaba, and Jerzy Długoński. "Microbial Decolorization of Triphenylmethane Dyes." In Microbial Degradation of Synthetic Dyes in Wastewaters. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-10942-8_8.

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Chen, Si Hui, and Adeline Su Yien Ting. "Microfungi for the Removal of Toxic Triphenylmethane Dyes." In Mining of Microbial Wealth and MetaGenomics. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5708-3_22.

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Mishra, B. K., P. K. Mishra, L. Panda, and G. B. Behera. "Incorporation of Triphenylmethane Dye Cations into Surfactant Micelles." In Surfactants in Solution. Springer US, 1989. http://dx.doi.org/10.1007/978-1-4613-0839-3_19.

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Du, M., Y. Jia, and G. R. Fleming. "Femtosecond Spectroscopic Studies of Barrierless Excited-State Decay of Triphenylmethane Dye Molecules in Alcohol Solutions." In Springer Series in Chemical Physics. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-85176-6_198.

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"AOAC Official Method 2012.25Residues of Three Triphenylmethane Dyes and Their Metabolites (Malachite Green, Leucomalachite Green, Crystal Violet, Leucocrystal Violet, and Brilliant Green) in Aquaculture Products." In Official Methods of Analysis of AOAC INTERNATIONAL, 22nd ed. Oxford University Press, 2023. http://dx.doi.org/10.1093/9780197610145.003.1453.

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Conference papers on the topic "Triphenylmethane Dyes"

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Ruzmetov, Uchkun, Okhunjon Rahmanov, Abbos Turakulov, and Khonzoda Yakshimurotova. "Determination of the content of triphenylmethane dyes by thin-layer chromatography." In 2021 ASIA-PACIFIC CONFERENCE ON APPLIED MATHEMATICS AND STATISTICS. AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0089550.

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Huicheng Xie, L. C. Davis, and L. E. Ericson. "Decolorization of triphenylmethane dyes by hydroponically grown sunflowers (Helianthus annuus L.)." In 2011 International Symposium on Water Resource and Environmental Protection (ISWREP). IEEE, 2011. http://dx.doi.org/10.1109/iswrep.2011.5893263.

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Martin, M. M., P. Plaza, Nguyen Dai Hung, and Y. H. Meyer. "Fast Change in the Excited State Absorption Spectrum of TPM Dye Solutions." In International Conference on Ultrafast Phenomena. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/up.1990.mc24.

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Relaxation dynamics of Triphenylmethane dyes in the excited state has been extensively investigated using fluorescence and pump-probe techniques on nanosecond, picosecond and femtosecond time scales (see ref. in [1-3]). It is well established that the relaxation rate is determined by the solvent viscosity but the interpretation of the transient decays measured at a few wavelengths is not completely elucidated. Time evolution of transient absorption spectra of a TPM dye is reported here on subpicosecond and picosecond time scales. New transient bands in the blue are evidenced.
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Ziyatdinova, Guzel, Elvira Yakupova, and Anastasiya Zhupanova. "Voltammetric Sensors Based on the Electropolymerized Phenolic Acids or Triphenylmethane Dyes for the Antioxidant Analysis." In ECSA-9. MDPI, 2022. http://dx.doi.org/10.3390/ecsa-9-13178.

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Du, Mei, Yiwei Jia, and Graham R. Fleming. "Femtosecond Spectroscopic Studies of Barrierless Reaction of Triphenylmethane Dye Molecules in Alcohol Solutions." In International Conference on Ultrafast Phenomena. Optica Publishing Group, 1994. http://dx.doi.org/10.1364/up.1994.thd.3.

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Many chemical and biological reactions proceed on a potential surface with a low barrier or lack of barrier from reactant to product along the reaction coordinate1,2. In a barrierless case, the interaction between the surrounding medium and reactants (or products) provide the only frictional force in affecting the chemical reactions. In general, the frictional force includes two parts: frictional force from the solvent and from non-reactive vibrational modes of reactants or products. Thus, from the perspective of chemical reactions in solution, a barrierless reaction is a prototype in studying
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Sánchez, C. J. Enríquez, K. M. Esparza Ramírez, S. M. Afanador Delgado, et al. "Determination of non-linear optical properties of TiO2 nanoparticles functionalized with an azo-triphenylmethane dye using the z-scan technique." In Latin America Optics and Photonics Conference. OSA, 2018. http://dx.doi.org/10.1364/laop.2018.tu4a.11.

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