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17 articles for “azo dyes”
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Assessment of Hepatic Damage in Labeo rohita (Hamilton, 1822) Exposed to Azo dye C. I. Direct Green 6
Abstract: Textile industries are one of the major backbones of Indian economy. They are the major reason for contamination of water bodies and their toxicity to ecosystem is an alarming environmental issue. The present study was designed to evaluate the hepatotoxic effects of C.I. Direct Green 6 (DG 6), a commercially used textile azo dye on Labeo rohita fingerlings. For this, L. rohita fingerlings were exposed to three sublethal concentrations (2.5, …
Published in Research and Reviews : Journal of Veterinary Science and Technology · Vol. 10, Issue 4, 2021 · pp. 1–8 Read article
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5-Methyl-2-phenyl-2,4-dihydro-3H-pyrazol-4-one: Synthesis and Reactions
Abstract: The presence of the five-member pyrazole nucleus in different structures leads to a large diversity in its applications. In almost every research study, the pyrazole derivatives biological importance faces a competitive challenge in areas of technology, medicine and agriculture. This reflects the description of these derivatives as antibacterial, antifungal, anticancer, antidepressant, anti-inflammatory, anti-tuberculosis, antioxidant as well as antiviral agents. In our review, we will discuss and show the highlights of …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 16, Issue 3, 2025 · pp. 76–87 Read article
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Advances in Spectrophotometric Determination of Osmium: Role of Organic Reagents in Trace Analysis and Speciation
Abstract: Osmium, a rare and highly toxic platinum-group metal, requires accurate and sensitive analytical determination due to its industrial importance and environmental hazards, particularly in the form of osmium tetroxide (OsO₄). Spectrophotometric techniques remain among the most versatile and cost-effective approaches for osmium analysis. This review provides a comprehensive evaluation of spectrophotometric methods employing a wide range of organic reagents, including sulfur-containing ligands, azo dyes, flavonoids, nitroso compounds, phenolics, and advanced …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 17, Issue 3, 2026 Read article
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Review on Azo-Compounds and Their Applications
Abstract: Azo-colored compounds that form the basic structure of many synthesized compounds in many fieldsof chemistry, especially coordination chemistry, as they contain a group (-N=N-). These dyes arewidely used as colorants, as they contribute to nearly 50% of artificial colors. Also in manyapplications such as ink-jet printing, optical imaging, and biomedical diagnostics , azo dye containsone or more D-π-A systems that can produce various colors by changing the electron donation (D) …
Published in Journal of Catalyst & Catalysis · Vol. 8, Issue 2, 2021 · pp. 8–16 Read article
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An Use of Solar Energy Based Photocatalyst for Degradation of Water Pollutants
Abstract: Azo dyes/Dyes, pesticides, weedicide, etc. are highly harmful and carcinogenic in nature. Dyes especially azo dyes reduces fertility of soil. Treatment of dye pollution even pesticides, weedicides is challenging for environmentalists. The photocatalytic degradation of most of water-soluble organic pollutants by heterogeneous photocatalyst ZnO in the presence of sunlight is best and sustainable method. We also found the influence of different parameters like light intensity, temperature, amount of catalyst, pH …
Published in Journal of Catalyst & Catalysis · Vol. 3, Issue 3, 2016 · pp. 1–5 Read article
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Histotoxicity of Acid Orange 7 on organs of Fresh water fish Labeo rohita
Abstract: The present paper reports the histotoxic effects of Acid Orange 7, an azo dye on the tissues viz. gill, kidney and liver in major carp, Labeo rohita, fingerlings. The sublethal concentrations of the dye are responsible for the histopathological alterations in the target tissues. In the gills hyperplasia, epithelial lifting, hooked secondary gill lamellae, haemorrhage in the primary gill lamellae and erosion of secondary gill lamellae were seen. The kidney …
Published in Research and Reviews: A Journal of Toxicology · Vol. 1, Issue 1-3, 2011 · pp. 45–54 Read article
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Synthesis and Characterisation of Ceria Doped Titania Catalyst for the Degradation of Methylene Blue
Abstract: Photocatalytic degradation of Methylene Blue (MB) dye using synthesized ceria doped titania catalyst was performed and results were interpreted. The photocatalyst was prepared by incipient wet impregnation method, using cerium nitrate and titanium dioxide as the starting materials. The synthesized catalyst was characterized by powder X-ray diffraction (XRD), Vibrating sample magnetometer analysis (VSM), UV-Vis Diffuse reflectance measurements (DRS-UV) and UV analysis. The XRD pattern indicated that the sample has a …
Published in Journal of Water Pollution & Purification Research · Vol. 7, Issue 3, 2020 · pp. 26–33 Read article
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Novel Method to Synthesize Thiazole-based Disperse Dyes and its Applications
Abstract: The present work aims to deal with novel method to synthesize thiazole based disperse dyes and its applications.Design/methodology/approach: Azo dyes is tailored for utilization as the most basic and a key ingredient in dyestuff sector with potential applications in textiles, paper, plastics, printing ink, etc. The synthesis of disperse and acid dyes derived from thiazole and pyrazolone as a coupling component. Thiazole based dyes shows antimicrobial activities. The dyeing performance …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 6, Issue 3, 2019 · pp. 30–34 Read article
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Decolorization of Diazo Dye Amido Black 10B by a Bacterium Kerstersia sp. Strain VKY1
Abstract: Amido Black 10B, a diazo dye having various industrial applications was decolorized by a bacterium Kerstersia sp. strain VKY1. The effect of various parameters such as dye concentration, pH, temperature and NaCl concentration was investigated. At 200 mg/l dye concentration, the strain decolorized 81% of the dye at temperature 35°C and pH 7.0 in 36 h of incubation. This strain decolorized the dye over a wide range of pH (5–11), …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 8, Issue 3, 2018 · pp. 37–43 Read article
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Preparation of New Analytical Reagents and Study of Chromatographic Separation
Abstract: There are various types of diagnostic reagents in the laboratory, which involve many specializations in analytical chemistry and detection of pollution levels in river water and environmental pollution, as well as in the preparation of reagents that form as reagents and complexes with elements. Several techniques are shown here in an endless flow, and it is difficult Simply classify them according to a certain principle.; From a methodological point of …
Published in Emerging Trends in Chemical Engineering · Vol. 11, Issue 1, 2024 · pp. 44–58 Read article
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Applications of Nanomaterials in Membrane Separation for Effluent Treatment in the Textile Industry
Abstract: The textile industry makes a significant contribution to economic growth. As the global population continues to increase exponentially, production rates are also on the rise to meet this growing demand. Unfortunately, this surge in production often leads to noncompliance with environmental regulations. While the textile industry supports economic development, it also contributes to serious pollution. Various dyes, such as azo dyes, Congo Red (CR), Crystal Violet, methylene blue, and methyl …
Published in International Journal of Advance in Molecular Engineering · Vol. 4, Issue 1, 2026 · pp. 1–8 Read article
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Survey in Hydrazine and its Preparation, Reactions, and Their Applications
Abstract: This review concerned with hydrazine derivatives; Hydrazine is an important chemical compound used in jet engine and rocket fuel. Therefore, the European Union prohibits its sales to the developing world at 100% concentration and only permits its sales at 20-25% concentration. It is also used in industry to produce chemicals for textiles, agriculture, photographic development materials, and blowing agents used in the manufacture of foam rubber. It is also used …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 4, Issue 1, 2026 · pp. 27–34 Read article
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Environmental and Toxicological Implications of Dyes: A Mini Review
Abstract: Synthetic dyes are extensively used in industries – such as textiles, leather, paper, and food processing – due to their vibrant colors and high chemical stability. However, the large-scale release of dye-containing wastewater has become a significant environmental and health concern. Owing to their complex chemical structures, most synthetic dyes are highly resistant to biodegradation, resulting in their long-term persistence in aquatic and terrestrial ecosystems. Their accumulation in water bodies …
Published in Research and Reviews: A Journal of Toxicology · Vol. 16, Issue 2, 2026 · pp. 70–77 Read article
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Ameliorating Effect of Vitamin C on Acid Orange 7 Induced Oxidative Stress in the Gill of the Fish, Anabas testudineus (Bloch, 1792)
Abstract: Acid orange 7, an azo dye, was exposed to Anabas testudineus at a sublethal concentration (0.27 g/l) for 24, 72 and 96 h in order to evaluate the antioxidant status in the gill tissue. In addition, vitamin C at 0.55 g/l was exposed for 7 days after the dye exposure. Acid orange 7 decreased the body weight of fish, whereas mucous deposition increased significantly as the first line of defensive …
Published in Research and Reviews: A Journal of Toxicology · Vol. 8, Issue 3, 2018 · pp. 15–27 Read article
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Induction of Genetic Damage in Peripheral Erythrocytes of the Fish, Anabas testudineus Exposed to Sublethal Concentration of Acid Orange 7
Abstract: Acid orange 7, a synthetic organic compound, generally considered as pollutant, released from the process of chemical textile finishing process was exposed to the freshwater fish Anabas testudineus at sublethal concentration i.e., 0.27 gl-1 for 24, 72 and 96 h, maintaining ten animals per group along with the control. The median lethal concentration of acid orange 7 determined by Probit analysis was 2.7 gl-1 concentration. Sublethal exposure to the azo …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 9, Issue 2, 2019 · pp. 83–96 Read article
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Formation, Characterization and Microscopic Study of Four- and Five-membered Ring
Abstract: Types of organic compounds are famous for many industrial and medical applications, including azo compounds, one of the largest groups involved in the manufacture of various organic compounds. For example, they are considered as initiators of free radicals in the polymerization reactions of alkenes used in the manufacture of plastics. Most of cyclic compounds have nano properties which make this type of compound important in organic field. It is also …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 14, Issue 1, 2024 · pp. 1–15 Read article
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Adsorption of Textile Dye Effluent through Fresh Water Macroalga
Abstract: Abstract Dyes and pigments represent chronic ecological problems as they are toxic and carcinogenic. Purging of dyes from the coloured waste effluents is a crucial problem. Biosorption through algal biomass as a fruitful and cheap process for the purging of dyes from industrial effluents. In the present study, biosorption of red dye textile effluent has been carried out using different doses of the dried biomass of Chara sp. High dose …
Published in Research and Reviews : A Journal of Life Sciences · Vol. 10, Issue 1, 2020 · pp. 1–9 Read article