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Ramamurthy K, Priya PS, Murugan R, Arockiaraj J. Hues of risk: investigating genotoxicity and environmental impacts of azo textile dyes. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:33190-33211. [PMID: 38676865 DOI: 10.1007/s11356-024-33444-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 04/19/2024] [Indexed: 04/29/2024]
Abstract
The textile industry, with its extensive use of dyes and chemicals, stands out as a significant source of water pollution. Exposure to certain textile dyes, such as azo dyes and their breakdown products like aromatic amines, has been associated with health concerns like skin sensitization, allergic reactions, and even cancer in humans. Annually, the worldwide production of synthetic dyes approximates 7 × 107 tons, of which the textile industry accounts for over 10,000 tons. Inefficient dyeing procedures result in the discharge of 15-50% of azo dyes, which do not adequately bind to fibers, into wastewater. This review delves into the genotoxic impact of azo dyes, prevalent in the textile industry, on aquatic ecosystems and human health. Examining different families of textile dye which contain azo group in their structure such as Sudan I and Sudan III Sudan IV, Basic Red 51, Basic Violet 14, Disperse Yellow 7, Congo Red, Acid Red 26, and Acid Blue 113 reveals their carcinogenic potential, which may affect both industrial workers and aquatic life. Genotoxic and carcinogenic characteristics, chromosomal abnormalities, induced physiological and neurobehavioral changes, and disruptions to spermatogenesis are evident, underscoring the harmful effects of these dyes. The review calls for comprehensive investigations into the toxic profile of azo dyes, providing essential insights to safeguard the aquatic ecosystem and human well-being. The importance of effective effluent treatment systems is underscored to mitigate adverse impacts on agricultural lands, water resources, and the environment, particularly in regions heavily reliant on wastewater irrigation for food production.
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Affiliation(s)
- Karthikeyan Ramamurthy
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Chengalpattu District, Kattankulatur, 603203, Tamil Nadu, India
| | - Peter Snega Priya
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Chengalpattu District, Kattankulatur, 603203, Tamil Nadu, India
| | - Raghul Murugan
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Chengalpattu District, Kattankulatur, 603203, Tamil Nadu, India
| | - Jesu Arockiaraj
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Chengalpattu District, Kattankulatur, 603203, Tamil Nadu, India.
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Chin ZX, Chua SL, Ang YL, Wee S, Lee KKM, Wu Y, Chan JSH. Illegal synthetic dyes in spices: a Singapore case study. FOOD ADDITIVES & CONTAMINANTS. PART B, SURVEILLANCE 2024:1-11. [PMID: 38600616 DOI: 10.1080/19393210.2024.2326431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 02/29/2024] [Indexed: 04/12/2024]
Abstract
Some synthetic dyes are fraudulently added into spices to appeal visually to consumers. Food regulations in several countries, including the United States, Australia, Japan and the European Union, strictly prohibit the use of unauthorised synthetic dyes in food. Nevertheless, illegal practices persist, where spices contaminated with potentially carcinogenic dyes have been documented, posing potential health risks to consumers. In the present study, 14 synthetic dyes were investigated through liquid chromatography/tandem mass spectrometry in 252 commercially available spices in the Singapore market. In 18 out of these (7.1%) at least 1 illegal dye was detected at concentrations ranging from 0.010 to 114 mg/kg. Besides potential health risks, presence of these adulterants also reflects the economic motivations behind their fraudulent use. Findings in the present study further emphasise the need for increased public awareness, stricter enforcement, and continuous monitoring of illegal synthetic dyes in spices to ensure Singapore's food safety.
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Affiliation(s)
- Zan Xin Chin
- National Centre for Food Science, Singapore Food Agency, Singapore, Singapore
| | - Sew Lay Chua
- National Centre for Food Science, Singapore Food Agency, Singapore, Singapore
| | - Yi Li Ang
- National Centre for Food Science, Singapore Food Agency, Singapore, Singapore
| | - Sheena Wee
- National Centre for Food Science, Singapore Food Agency, Singapore, Singapore
| | - Ken Kah Meng Lee
- National Centre for Food Science, Singapore Food Agency, Singapore, Singapore
| | - Yuansheng Wu
- National Centre for Food Science, Singapore Food Agency, Singapore, Singapore
| | - Joanne Sheot Harn Chan
- National Centre for Food Science, Singapore Food Agency, Singapore, Singapore
- Department of Food Science & Technology, National University of Singapore, Singapore, Singapore
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Dutta S, Adhikary S, Bhattacharya S, Roy D, Chatterjee S, Chakraborty A, Banerjee D, Ganguly A, Nanda S, Rajak P. Contamination of textile dyes in aquatic environment: Adverse impacts on aquatic ecosystem and human health, and its management using bioremediation. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 353:120103. [PMID: 38280248 DOI: 10.1016/j.jenvman.2024.120103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 01/05/2024] [Accepted: 01/11/2024] [Indexed: 01/29/2024]
Abstract
Textile dyes are the burgeoning environmental contaminants across the world. They might be directly disposed of from textile industries into the aquatic bodies, which act as the direct source for the entire ecosystem, ultimately impacting the human beings. Hence, it is essential to dissect the potential adverse outcomes of textile dye exposure on aquatic plants, aquatic fauna, terrestrial entities, and humans. Analysis of appropriate literature has revealed that textile dye effluents could affect the aquatic biota by disrupting their growth and reproduction. Various aquatic organisms are targeted by textile dye effluents. In such organisms, these chemicals affect their development, behavior, and induce oxidative stress. General populations of humans are exposed to textile dyes via the food chain and drinking contaminated water. In humans, textile dyes are biotransformed into electrophilic intermediates and aromatic amines by the enzymes of the cytochrome family. Textile dyes and their biotransformed products form the DNA and protein adducts at sub-cellular moiety. Moreover, these compounds catalyze the production of free radicals and oxidative stress, and trigger the apoptotic cascades to produce lesions in multiple organs. In addition, textile dyes modulate epigenetic factors like DNA methyltransferase and histone deacetylase to promote carcinogenesis. Several bioremediation approaches involving algae, fungi, bacteria, biomembrane filtration techniques, etc., have been tested and some other hybrid systems are currently under investigation to treat textile dye effluents. However, many such approaches are at the trial stage and require further research to develop more efficient, cost-effective, and easy-to-handle techniques.
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Affiliation(s)
- Sohini Dutta
- Department of Animal Science, Kazi Nazrul University, Asansol, West Bengal, India
| | - Satadal Adhikary
- Post Graduate Department of Zoology, A.B.N. Seal College, Cooch Behar, West Bengal, India
| | | | - Dipsikha Roy
- Department of Animal Science, Kazi Nazrul University, Asansol, West Bengal, India
| | - Sovona Chatterjee
- Department of Animal Science, Kazi Nazrul University, Asansol, West Bengal, India
| | - Aritra Chakraborty
- Department of Animal Science, Kazi Nazrul University, Asansol, West Bengal, India
| | - Diyasha Banerjee
- Department of Animal Science, Kazi Nazrul University, Asansol, West Bengal, India
| | - Abhratanu Ganguly
- Department of Animal Science, Kazi Nazrul University, Asansol, West Bengal, India
| | - Sayantani Nanda
- Department of Animal Science, Kazi Nazrul University, Asansol, West Bengal, India
| | - Prem Rajak
- Department of Animal Science, Kazi Nazrul University, Asansol, West Bengal, India.
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Arshia MH, Shahvelayati AS, Sheshmani S, Hajiaghababaei L, Ghasri MRA. Hydrogen bond-mediated self-assembly of Tin (II) oxide wrapped with Chitosan/[BzPy]Cl network: An effective bionanocomposite for textile wastewater remediation. Heliyon 2024; 10:e24771. [PMID: 38322939 PMCID: PMC10845255 DOI: 10.1016/j.heliyon.2024.e24771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 11/25/2023] [Accepted: 01/14/2024] [Indexed: 02/08/2024] Open
Abstract
A novel and efficient bionanocomposite was synthesized by incorporating SnO into chitosan (Ch) and a room-temperature ionic liquid (RTIL). The bionanocomposite was synthesized in benzoyl pyridinium chloride [BzPy]Cl to maintain the unique properties of SnO, chitosan, and the ionic liquid. Adsorption and photodegradation processes were applied to evaluate the bionanocomposite for removing azo and anthraquinone dyes and textile wastewater. SnO/[BzPy]Cl and SnO/[BzPy]Cl/Ch samples were prepared and characterized using various techniques, including FT-IR, SEM, XRD, EDAX, XPS, DSC, TGA, nitrogen adsorption/desorption isotherm, and DRS analysis. SEM analysis revealed a hierarchical roughened rose flower-like morphology for the biocomposite. The band gap energies of SnO/[BzPy]Cl and SnO/[BzPy]Cl/chitosan were found to be 3.9 and 3.3 eV, respectively, indicating a reduction in the band gap energy with the introduction of [BzPy]Cl and chitosan. SnO/[BzPy]Cl/Ch showed high removal rates (92-95 %) for Fast Red, Blue 15, Red 120, Blue 94, Yellow 160, and Acid Orange 7 dyes. The adsorption kinetics followed a pseudo-second-order model. In addition, the effect of different photodegradation parameters such as solution pH, dye concentrations, contact time, and amount of photocatalyst, was studied. Given the optimal results obtained in removing azo and anthraquinone dyes, the SnO/[BzPy]Cl/Ch nanocomposite was used as an efficient nanocomposite for removing dyes from textile wastewater. The highest removal efficiency was found to be 95.8 %, obtained under ultraviolet and visible light. Furthermore, BOD and COD reduction analysis showed significant reductions, indicating the excellent performance of the photocatalyst.
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Affiliation(s)
- Mohammad Hossein Arshia
- Department of Chemistry, College of Basic Sciences, Yadegar-e- Imam Khomeini (RAH) Shahre Rey Branch, Islamic Azad University, Tehran, Iran
- Research Center for New Technologies in Chemistry and Related Sciences, Yadegar-e-Imam Khomeini (RAH) Shahre Rey Branch, Islamic Azad University, Tehran, Iran
| | - Ashraf S. Shahvelayati
- Department of Chemistry, College of Basic Sciences, Yadegar-e- Imam Khomeini (RAH) Shahre Rey Branch, Islamic Azad University, Tehran, Iran
- Research Center for New Technologies in Chemistry and Related Sciences, Yadegar-e-Imam Khomeini (RAH) Shahre Rey Branch, Islamic Azad University, Tehran, Iran
| | - Shabnam Sheshmani
- Department of Chemistry, College of Basic Sciences, Yadegar-e- Imam Khomeini (RAH) Shahre Rey Branch, Islamic Azad University, Tehran, Iran
- Research Center for New Technologies in Chemistry and Related Sciences, Yadegar-e-Imam Khomeini (RAH) Shahre Rey Branch, Islamic Azad University, Tehran, Iran
| | - Leila Hajiaghababaei
- Department of Chemistry, College of Basic Sciences, Yadegar-e- Imam Khomeini (RAH) Shahre Rey Branch, Islamic Azad University, Tehran, Iran
- Research Center for New Technologies in Chemistry and Related Sciences, Yadegar-e-Imam Khomeini (RAH) Shahre Rey Branch, Islamic Azad University, Tehran, Iran
| | - Mohammad Reza Allahgholi Ghasri
- Department of Chemistry, College of Basic Sciences, Yadegar-e- Imam Khomeini (RAH) Shahre Rey Branch, Islamic Azad University, Tehran, Iran
- Research Center for New Technologies in Chemistry and Related Sciences, Yadegar-e-Imam Khomeini (RAH) Shahre Rey Branch, Islamic Azad University, Tehran, Iran
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Akkache HEM, Hamdouni N, Boudjada A, Medjroubi ML, Mili A, Jeannin O. Crystal structure, Hirshfeld surface analysis and energy frameworks of 1-[( E)-2-(2-fluoro-phen-yl)diazan-1-yl-idene]naphthalen-2(1 H)-one. Acta Crystallogr E Crystallogr Commun 2024; 80:137-142. [PMID: 38333122 PMCID: PMC10848971 DOI: 10.1107/s2056989024000227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 01/06/2024] [Indexed: 02/10/2024]
Abstract
The title compound, C16H11N2OF, is a member of the azo dye family. The dihedral angle subtended by the benzene ring and the naphthalene ring system measures 18.75 (7)°, indicating that the compound is not perfectly planar. An intra-molecular N-H⋯O hydrogen bond occurs between the imino and carbonyl groups. In the crystal, the mol-ecules are linked into inversion dimers by C-H⋯O inter-actions. Aromatic π-π stacking between the naphthalene ring systems lead to the formation of chains along [001]. A Hirshfeld surface analysis was undertaken to investigate and qu-antify the inter-molecular inter-actions. In addition, energy frameworks were used to examine the cooperative effect of these inter-molecular inter-actions across the crystal, showing dispersion energy to be the most influential factor in the crystal organization of the compound.
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Affiliation(s)
| | - Noudjoud Hamdouni
- Laboratoire de Cristallographie, Département de Physique, Université Mentouri-Constantine, 25000 Constantine, Algeria
| | - Ali Boudjada
- Laboratoire de Cristallographie, Département de Physique, Université Mentouri-Constantine, 25000 Constantine, Algeria
| | - Mohamed larbi Medjroubi
- Laboratoire de Cristallographie, Département de Physique, Université Mentouri-Constantine, 25000 Constantine, Algeria
| | - Assia Mili
- Unité de Recherche de Chimie de l’Environnement et Moléculaire Structurale, Faculté du Sciences Exactes, Université de Constantine 1, 25000 Constantine, Algeria
| | - Olivier Jeannin
- UMR 6226 CNRS–Université Rennes 1, ‘Sciences Chimiques de Rennes’, Equipe ‘Matière Condensée et Systèmes Electroactifs’, Bâtiment 10C Campus de Beaulieu, 263 Avenue du Général Leclerc, F-35042 Rennes, France
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Overdahl KE, Kassotis CD, Hoffman K, Getzinger GJ, Phillips A, Hammel S, Stapleton HM, Ferguson PL. Characterizing azobenzene disperse dyes and related compounds in house dust and their correlations with other organic contaminant classes. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 337:122491. [PMID: 37709124 PMCID: PMC10655148 DOI: 10.1016/j.envpol.2023.122491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/28/2023] [Accepted: 08/30/2023] [Indexed: 09/16/2023]
Abstract
Azobenzene disperse dyes are the fastest-growing category of commercial dyestuffs and are implicated in the literature as potentially allergenic. In the indoor environment, these dyes may be shed from various textiles, including clothing and upholstery and accumulate in dust particles potentially leading to exposure in young children who have higher exposure to chemicals associated with dust due to their crawling and mouthing behaviors. Children may be more vulnerable to dye exposure due to their developing immune systems, and therefore, it is critical to characterize azobenzene disperse dyes in children's home environments. Here, we investigate azobenzene disperse dyes and related compounds in house dust samples (n = 124) that were previously analyzed for flame retardants, phthalates, pesticides and per- and polyfluoroalkyl substances (PFAS). High-resolution mass spectrometry was used to support both targeted and suspect screening of dyes in dust. Statistical analyses were conducted to determine if dye concentrations were related to demographic information. Detection frequencies for 12 target dyes ranged from 11% to 89%; of the dyes that were detected in at least 50% of the samples, geometric mean levels ranged from 32.4 to 360 ng/g. Suspect screening analysis identified eight additional high-abundance azobenzene compounds in dust. Some dyes were correlated to numerous flame retardants and several antimicrobials, and statistically higher levels of some dyes were observed in homes of non-Hispanic Black mothers than in homes of non-Hispanic white mothers. To our knowledge, this is the most comprehensive study of azobenzene disperse dyes in house dust to date. Future studies are needed to quantify additional dyes in dust and to examine exposure pathways of dyes in indoor environments where children are concerned.
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Affiliation(s)
- Kirsten E Overdahl
- Nicholas School of the Environment, Duke University, Durham, NC, 27708. United States
| | - Christopher D Kassotis
- Nicholas School of the Environment, Duke University, Durham, NC, 27708. United States; Institute of Environmental Health Sciences and Department of Pharmacology, School of Medicine, Wayne State University, Detroit, MI, 48202. United States
| | - Kate Hoffman
- Nicholas School of the Environment, Duke University, Durham, NC, 27708. United States
| | - Gordon J Getzinger
- Department of Civil and Environmental Engineering, Duke University, Durham, NC, 27708. United States
| | - Allison Phillips
- Nicholas School of the Environment, Duke University, Durham, NC, 27708. United States
| | - Stephanie Hammel
- Nicholas School of the Environment, Duke University, Durham, NC, 27708. United States
| | - Heather M Stapleton
- Nicholas School of the Environment, Duke University, Durham, NC, 27708. United States.
| | - P Lee Ferguson
- Nicholas School of the Environment, Duke University, Durham, NC, 27708. United States; Department of Civil and Environmental Engineering, Duke University, Durham, NC, 27708. United States.
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Han C, Wang Q, Yao Y, Zhang Q, Huang J, Zhang H, Qu L. Thin layer chromatography coupled with surface enhanced Raman scattering for rapid separation and on-site detection of multi-components. J Chromatogr A 2023; 1706:464217. [PMID: 37517317 DOI: 10.1016/j.chroma.2023.464217] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 07/12/2023] [Accepted: 07/13/2023] [Indexed: 08/01/2023]
Abstract
The separation and detection of multi-component mixtures has always been a challenging task. Traditional detection methods often suffer from complex operation, high cost, and low sensitivity. Surface enhanced Raman scattering (SERS) technique is a high sensitivity, powerful and rapid detection tool, which can realize the specific detection of single substance components, but it must solve the problem that multi-component mixtures cannot be accurately determined. Thin layer chromatography (TLC) technology, as a high-throughput separation technology, uses chromatographic plate as the stationary phase, and could select different developing phases for separation experiments. The advantages of TLC technology in short distance and rapid separation are widely used in protein, dye and biomedical fields. However, TLC technology has limitations in detection ability and difficulty in obtaining ideal signal intensity. The combination of TLC technology and SERS technology made the operation procedure simple and the sample size small, which can achieve rapid on-site separation and quantitative detection of mixtures. Due to the rapid development of TLC-SERS technology, it has been widely used in the investigation of various complex systems. This paper reviews the application of TLC-SERS technology in food science, environmental pollution and biomedicine.
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Affiliation(s)
- Caiqin Han
- Jiangsu Key Laboratory of Advanced Laser Materials and Devices, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China.
| | - Qin Wang
- Jiangsu Key Laboratory of Advanced Laser Materials and Devices, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China
| | - Yue Yao
- Jiangsu Key Laboratory of Advanced Laser Materials and Devices, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China
| | - Qian Zhang
- Jiangsu Key Laboratory of Advanced Laser Materials and Devices, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China
| | - Jiawei Huang
- Jiangsu Key Laboratory of Advanced Laser Materials and Devices, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China
| | - Hengchang Zhang
- Jiangsu Key Laboratory of Advanced Laser Materials and Devices, School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, China
| | - Lulu Qu
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, China.
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Correa-Coyac D, Michtchenko A, Zacahua-Tlacuatl G, Cruz-Narváez Y, Castro-Arellano JJ, Sanpedro-Díaz M, Rivera-Talamantes CFDJ, Shulga YM. Adsorption and Photodegradation of Lanasol Yellow 4G in Aqueous Solution by Natural Zeolite Treated by CO 2-Laser Radiation. MATERIALS (BASEL, SWITZERLAND) 2023; 16:4855. [PMID: 37445168 DOI: 10.3390/ma16134855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 06/24/2023] [Accepted: 07/03/2023] [Indexed: 07/15/2023]
Abstract
Natural zeolite is a widely used material with excellent environmental cleaning performance, especially in water and wastewater treatment. Natural zeolite (Zini) calcined by CO2-laser radiation (ZL) was tested as a catalyst for the photodegradation and the adsorption of industrial azo dye Lanasol Yellow 4G (LY4G) in water. Morphology, chemical structure, and surface composition of Zini and ZL were analyzed by XRD, SEM, EDS, and XPS. UV/Visible spectrophotometry was used to evaluate the photocatalytic activity of Zini and ZL. The photocatalytic activity of the studied zeolites was associated with the presence of Fe oxides in their composition. Laser-treated natural zeolite showed higher efficiency as a photocatalyst compared to untreated natural zeolite.
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Affiliation(s)
- David Correa-Coyac
- Instituto Politécnico Nacional, SEPI-ESIME-Zacatenco, Av. IPN S/N, Ed.5, 3-r piso, Ciudad de México 07738, Mexico
| | - Alexandre Michtchenko
- Instituto Politécnico Nacional, SEPI-ESIME-Zacatenco, Av. IPN S/N, Ed.5, 3-r piso, Ciudad de México 07738, Mexico
| | - Gregorio Zacahua-Tlacuatl
- Laboratorio de Posgrado e Investigación de Operaciones Unitarias-ESIQIE, Instituto Politécnico Nacional, Zacatenco, UPALM, Zacatenco, Col. Lindavista, Ciudad de México 07738, Mexico
| | - Yair Cruz-Narváez
- Laboratorio de Posgrado e Investigación de Operaciones Unitarias-ESIQIE, Instituto Politécnico Nacional, Zacatenco, UPALM, Zacatenco, Col. Lindavista, Ciudad de México 07738, Mexico
| | - José J Castro-Arellano
- Laboratorio de Posgrado e Investigación de Operaciones Unitarias-ESIQIE, Instituto Politécnico Nacional, Zacatenco, UPALM, Zacatenco, Col. Lindavista, Ciudad de México 07738, Mexico
| | - Monserrat Sanpedro-Díaz
- Laboratorio de Posgrado e Investigación de Operaciones Unitarias-ESIQIE, Instituto Politécnico Nacional, Zacatenco, UPALM, Zacatenco, Col. Lindavista, Ciudad de México 07738, Mexico
| | | | - Yury M Shulga
- Federal Research Center of Problem of Chemical Physics and Medicinal Chemistry, Russian Academy of Sciences, Moscow 142432, Russia
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Thomas OE, Adefolarin A, Ana G, Odaibo G. Determinants of knowledge associated with occupational hazards and perceived health problems among dye workers in Abeokuta, Nigeria. J Public Health Afr 2023; 14:1985. [PMID: 37528951 PMCID: PMC10389106 DOI: 10.4081/jphia.2023.1985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Accepted: 04/25/2022] [Indexed: 08/03/2023] Open
Abstract
Background Identification of potential hazards, their adverse health effects, and predisposing factors in the workplace are critical to improving safety. The objective of the study was to assess the knowledge of occupational hazards, the prevalence of perceived health problems and their predictors among textile dye workers in Abeokuta Nigeria who work in unsupervised settings. Materials and Methods In this cross-sectional study, data were collected from 199 participants using a validated semi-structured interviewer-administered questionnaire. Multiple linear regression analysis was used to determine the predictors of knowledge while Pearson Chi-square was employed to test the association between perceived health problems, sociodemographics and work environment characteristics. Results The mean age of the respondents was 40 (SD=12) years with an average work experience of 19 years. The majority of respondents 139 (69.8%) had lower than average scores on knowledge of 25 questions on chemical hazards. There was no correlation between knowledge score and work experience (P=0.492) or age (P=0.462) but the knowledge was significantly associated with exposure score (P=0.004), gender (P=0.002) and adherence to instructions on chemicals usage (P=0.041) after adjusting for safe practice. The most frequent health problems among the dye workers were respiratory disorders (53.8%), allergies (51.8%), and skin disorders (24.1%). Airborne gaseous pollutants from the mixing of chemicals were associated with allergies (P=0.045), circulatory (P=0.02) and skin disorders (P=0.049) while air-borne textile fiber/dye particles could predict allergies (P=0.028). Conclusions Findings revealed that exposure, gender and adherence to instruction labels on dye/chemical containers could determine knowledge of chemical hazards while physical work environment characteristics could determine health problems.
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Affiliation(s)
| | | | - Godson Ana
- Department of Environmental Health Science, Faculty of Public Health
| | - Georgina Odaibo
- Department of Virology, Faculty of Basic Medical Sciences, University of Ibadan, Nigeria
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Georgianos P, Pournara AD, Andreou EK, Armatas GS, Manos MJ. Composite Materials Based on a Zr 4+ MOF and Aluminosilicates for the Simultaneous Removal of Cationic and Anionic Dyes from Aqueous Media. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28020815. [PMID: 36677877 PMCID: PMC9864044 DOI: 10.3390/molecules28020815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/09/2023] [Accepted: 01/10/2023] [Indexed: 01/14/2023]
Abstract
Environmental pollution has been a reality for many decades, with its contamination intensifying daily due to rapid urbanization and the ever-increasing world population. Dyes, and especially synthetic ones, constitute a category of pollutants that not only affect the quality of water but also exhibit high toxicity toward living organisms. This study was thoroughly planned to explore the removal of two toxic dyes, namely the methylene blue (MB) and methyl orange (MO) compounds from contaminated aqueous media. For this purpose, we designed and synthesized two new composite materials based on ammonium-functionalized Zr4+ MOF (MOR-1 or UiO-66-NH3+) and naturally occurring sorbents, such as bentonite and clinoptilolite. The composite materials displayed exceptional sorption capability toward both MB+ and MO- ions. A key finding of this study was the high efficiency of the composite materials to simultaneously remove MB+ and MO- under continuous flow conditions, also showing regeneration capability and reusability, thus providing an alternative to well-known mixed bed resins.
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Affiliation(s)
- Petros Georgianos
- Department of Chemistry, University of Ioannina, GR-45110 Ioannina, Greece
| | | | - Evangelos K. Andreou
- Department of Materials Science and Technology, University of Crete, GR-70013 Heraklion, Greece
| | - Gerasimos S. Armatas
- Department of Materials Science and Technology, University of Crete, GR-70013 Heraklion, Greece
| | - Manolis J. Manos
- Department of Chemistry, University of Ioannina, GR-45110 Ioannina, Greece
- Institute of Materials Science and Computing, University Research Center of Ioannina, GR-45110 Ioannina, Greece
- Correspondence:
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Gold nanoparticles decorated two-dimensional TiO2 nanosheets as effective catalyst for nitroarenes and rhodamine B dye reduction in batch and continuous flow methods. INORG CHEM COMMUN 2023. [DOI: 10.1016/j.inoche.2023.110406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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12
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Adsorption of different anionic and cationic dyes by hybrid nanocomposites of carbon nanotube and graphene materials over UiO-66. Sci Rep 2022; 12:20415. [PMID: 36437269 PMCID: PMC9701811 DOI: 10.1038/s41598-022-24891-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 11/22/2022] [Indexed: 11/29/2022] Open
Abstract
Amongst many chemical pollutants that cause environmental pollution, the presence of organic dyes in water resources can cause substantial health issues. Thus, owing to their mutagenicity and their adverse effects on human health, environment, and animals, they must be removed from industrial wastewater. In this study, UiO-66 metal-organic framework, as well as composite nanoparticles with carbonaceous materials such as MWCNTs-COOH and graphene oxide (GO) with different molar ratios (2.9 and 5.8 wt.%), were synthesized through solvothermal method since carbonaceous materials are an emerging material that demonstrates improvement in the properties of adsorbents. Then, the synthesized materials were utilized as a solid adsorbent for removing four different dyes including; anionic methyl red (MR), anionic methyl orange (MO), cationic methylene blue (MB), and cationic malachite green (MG) prepared from distilled water. The properties of prepared adsorbents were characterized via X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FESEM), Photoluminescence spectroscopy (PL), Brunauer-Emmett-Teller (BET), as well as surface area analyzer and energy dispersive spectroscopy (EDS-MAP). Further, the influences of various factors including initial concentrations of the dyes and adsorption process time on adsorption of dyes were investigated. Adsorption experiments indicated that synthesized adsorbents exhibited the highest adsorption efficiency towards MR and MO dyes. Moreover, the experimental adsorption results revealed that MWCNTs-UiO-66 nanocomposites could adsorb 98% of MR and MO as well as 72% of MB and 46% of MG. Furthermore, the kinetic and stability of the materials over time were investigated. To reach a clear picture, adsorption experiments demonstrated that the amount of dye uptake on adsorbents was enhanced by increasing the contact time as well as uptake of materials with time were stable for both cationic and anionic dyes. The MR, MO, and MB adsorption isotherms were fitted with the Langmuir and Freundlich models. The Langmuir showed the highest agreement in these dyes and MWCNTs-UiO-66 (2.9 and 5.8 wt.%) exhibited a maximum adsorption capacity of 105.26 mg/g for MR, while the MG isotherm was in line with the Langmuir model.
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Farajzadeh-Dehkordi N, Farhadian S, Zahraei Z, Asgharzadeh S, Shareghi B, Shakerian B. Insights into the binding interaction of Reactive Yellow 145 with human serum albumin from a biophysics point of view. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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14
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Naing HH, Li Y, Ghasemi JB, Wang J, Zhang G. Enhanced visible-light-driven photocatalysis of in-situ reduced of bismuth on BiOCl nanosheets and montmorillonite loading: Synergistic effect and mechanism insight. CHEMOSPHERE 2022; 304:135354. [PMID: 35714959 DOI: 10.1016/j.chemosphere.2022.135354] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 06/12/2022] [Accepted: 06/13/2022] [Indexed: 06/15/2023]
Abstract
Various improvement strategies have been developed to enhance the visible light photocatalytic properties of materials. In these enhancement strategies, bismuth, a non-noble metal-based plasma metal, is deposited on the surface of the photocatalyst, which can improve the visible light response and photocatalytic performance of the photocatalyst. Herein, we constructed montmorillonite loaded BiOCl nanosheets with in situ reduced bismuth by one-step hydrothermal method. As for the results of TEM analysis, the in-situ reduced bismuth nanoparticles with diameters of 5-20 nm were evenly distributed on the surface of BiOCl nanosheets. Due to the surface plasmon resonance (SPR) effect of semi metallic bismuth nanoparticles on the BiOCl nanosheets, the light absorption range of the modified photocatalyst was expanded and its absorption band gap (Eg) was reduced from 3.16 eV (pure BiOCl) to 2.26 eV. Besides, the results of dark adsorption experiments confirmed that the montmorillonite supporter greatly enhanced the adsorption capacity of the modified photocatalyst for pollutants. Moreover, the radical species trapping tests revealed that •O2- and h+ were the pivotal active agents in the pollutant degradation process. The visible light driven photocatalytic degradation rate of TCs and RhB by the modified photocatalyst was 3 and 4 times higher than that of pure BiOCl because of the synergistic effect of montmorillonite supporter and bismuth nanoparticles. The present work provides an innovative strategy for the great feasibility of fabricating low-cost clay and effective bismuth nanoparticles as a substitute for noble metal in environmental pollutants degradation.
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Affiliation(s)
- Htet Htet Naing
- Hubei Key Laboratory of Mineral Resources Processing and Environment, School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, 430070, China
| | - Yuan Li
- Hubei Key Laboratory of Mineral Resources Processing and Environment, School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, 430070, China
| | - Jahan B Ghasemi
- Chemistry Faculty School of Sciences, University of Tehran, Tehran POB, 14155-6455, Iran
| | - Junting Wang
- Hubei Key Laboratory of Mineral Resources Processing and Environment, School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, 430070, China.
| | - Gaoke Zhang
- Hubei Key Laboratory of Mineral Resources Processing and Environment, School of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan, 430070, China; State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan, 430070, China; Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou, 450052, China.
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15
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Rodríguez F, Sosa L, Domínguez-Robles J. Hidróxidos Dobles Laminares (HDL) como material adsorbente en descontaminación de aguas contaminadas por colorantes azoicos. BIONATURA 2022. [DOI: 10.21931/rb/2022.07.03.33] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Cada día es evidente como un recurso natural tan imprescindible para el desarrollo de la vida, como es el agua, se ve amenazado por diversos factores de contaminación; debido a diferentes procesos industriales necesarios para atender sus demandas (industria textil, alimenticia y cosmética)1 . Tal es el caso de la contaminación causada por los colorantes de tipo azoico, que son compuestos químicos nitrogenados, y que se caracterizan por la presencia de un grupo azo (-N=N-) en la molécula que une, al menos, dos anillos aromáticos. Son utilizados ampliamente en la industria textil ya que proporcionan una coloracion intensa a las telas, algunos de ellos son mencionaodos en la figura 1 (con su estructura química)2. Estos colorantes presentan como principal consecuencia la contaminación de agua obstaculizando el paso de la luz, provocando que organismos autótrofos no produzcan su alimento y de esta manera interrumpan la cadena trófica en ecosistemas acuaticos. Adicionado a esto, se aumenta la posibilidad de indicios de toxicidad ya que los colorantes azoicos pueden ser cancerígenos debido a su producto desdoblado: la bencidina. Esta sustancia induce varios tumores humanos y animales, asimismo, la reducción de la bencidina produce aminas aromáticas que afectan la salud humana, causando alergias y en animales de laboratorio se han observado efectos negativos en el hígado, riñones, sistemas inmunitario y nervioso.3,4
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Affiliation(s)
- Fredy Rodríguez
- Departamento de Química, Facultad de Ciencias Químicas y Farmacia, Universidad Nacional Autónoma de Honduras (UNAH), Tegucigalpa, Honduras
| | - Lilian Sosa
- Grupo de Investigación en Tecnología Farmacéutica, Facultad de Ciencias Químicas y Farmacia, Universidad Nacional Autónoma de Honduras (UNAH), Tegucigalpa, Honduras
| | - Juan Domínguez-Robles
- School of Pharmacy, Queen´s University Belfast, 97 Lisburn Road, Belfast BT9 7BL, UK. (J.D-R)
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16
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Exploring the Biosorption of Methylene Blue Dye onto Agricultural Products: A Critical Review. SEPARATIONS 2022. [DOI: 10.3390/separations9090256] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Due to their higher specific area and, in most cases, higher adsorption capacity, nanomaterials are noteworthy and attractive adsorbents. Agricultural products that are locally available are the best option for removing methylene blue (MB) dye from aqueous solutions. Because it is self-anionic, FT-IR and SEM investigations of biosorption have confirmed the role of the functional group and its contribution to the formation of pores that bind cationic dye. It is endothermic if the adsorption of MB by an adsorbent is high as the temperature increases; on the other hand, exothermic if it is high as the temperature decreases. A basic medium facilitates adsorption with respect to pH; adsorption is proportional to the initial concentration at a certain level before equilibrium; after equilibrium, adsorption decreases. A pseudo-second-order model applies for certain agricultural products. As per plotted graph for the solid-phase concentration against the liquid-phase concentration, the Langmuir adsorption isotherm model is favored; this model describes a situation in which a number of molecules are adsorbed by an equal number of available surface sites, and there is no interaction between adsorbate molecules once all sites are occupied. In contrast, the Freundlich model depicts non-ideal multi-layer sorption onto heterogeneous surfaces via numerical analysis; with a value of n = 1, the result is a linear isotherm. If the value of n < 1 or n > 1, then it is chemical or physical adsorption, respectively. Based on an EDX analysis, relevant elements are confirmed. BET analysis confirms the surface area. Nanoproducts categorized as agricultural products exhibit the aforementioned tendency. Even though nanoparticles show positive outcomes in terms of higher adsorption, a high specific area for the targeted pollutant is needed in real-world applications. In the relevant sections herein, the behavior of thermodynamic parameters, such as enthalpy, entropy, and Gibbs free energy, are examined. There is some question as to which form of agricultural waste is the most effective adsorption medium. There is no direct answer because every form of agricultural waste has its own distinct chemical and physical characteristics, such as porosity, surface area, and strength.
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Ahmouda K, Boudiaf M, Benhaoua B. A novel study on the preferential attachment of chromophore and auxochrome groups in azo dye adsorption on different greenly synthesized magnetite nanoparticles: investigation of the influence of the mediating plant extract's acidity. NANOSCALE ADVANCES 2022; 4:3250-3271. [PMID: 36132812 PMCID: PMC9419511 DOI: 10.1039/d2na00302c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 06/18/2022] [Indexed: 06/16/2023]
Abstract
In this paper, the adsorption of Evans blue (EB) and methyl orange (MO) azo dyes on four greenly synthesized magnetite nanoparticles has been studied to investigate the effect of the mediating plant extract's acidity on magnetite surface reactivity in azo dye adsorption. Magnetite surface reactivity has been studied through the analysis of preferential attachment of dye chromophore and auxochrome groups on magnetite nanoparticles, and adsorption yields. According to the contents of chromophore and auxochrome groups in dye structures, the mediating plant extract's acidity effect on acid site types and densities was also deduced. Used plants for the green synthesis were: Artemisia herba-alba (L), Matricaria pubescens (L), Juniperus phoenicea (L), and Rosmarinus officinalis (L), and their extract pHs were respectively 5.25, 5.05, 4.63, and 3.69. The four greenly synthesized samples of magnetite were characterized by XRD, SEM, ATR-FTIR, and UV-Vis techniques. The novelty of this paper lies in highlighting the influence of the mediating plant extract's acidity on the greenly synthesized magnetite surface reactivity towards the preferential attachment of chromophore and auxochrome functional groups in azo dye adsorption, where obtained results show that the mediating plant extract's acidity has a clear effect on the preferential attachment of chromophore and auxochrome groups on magnetite surfaces as well as on azo dyes' adsorption yields and capacities. Indeed, the decrease in the plant extract's acidity leads to an increase in the attachment of chromophore groups and a decrease in the attachment of auxochrome groups. So, it leads to an increase in Lewis acid site density and a decrease in Brønsted acid site density of magnetite surfaces. Also, the decrease of the plant extract's acidity leads to an increase in the studied dye adsorption yields, and this is because the majority of functional groups of MO and EB dyes are chromophores that attach to Lewis acid sites. The difference found in adsorption yields of EB and MO on all four magnetite samples is due to the fact that the ratio of chromophore/auxochrome groups in EB is remarkably greater than that in MO. The linear and non-linear pseudo-first-order and pseudo-second-order kinetics of the adsorption as well as the intra-particle diffusion mechanism have been analyzed. Obtained results indicate that in all adsorption processes the adsorption kinetics followed a linear pseudo-first-order kinetic model, and film diffusion is the step that controlled adsorption mechanisms. The thermodynamic studies of EB and MO adsorption processes on the four magnetite surfaces have been analyzed in the temperature range of 303.15-318.15 K. Obtained results reveal the endothermic nature of the adsorption in all cases.
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Affiliation(s)
- Kaouthar Ahmouda
- Department of Process Engineering and Petrochemistry, Faculty of Technology, University of El Oued El Oued 39000 Algeria
- Renewable Energy Research Unit in Arid Zones, University of El Oued El Oued 39000 Algeria
| | - Moussa Boudiaf
- Department of Process Engineering and Petrochemistry, Faculty of Technology, University of El Oued El Oued 39000 Algeria
- LCIMN, Laboratory, Department of Process Engineering, Faculty of Technology, University Ferhat, Abbas Setif 19000 Sétif Algeria
| | - Boubaker Benhaoua
- Department of Physics, Faculty of Exact Sciences, University of El Oued El Oued 39000 Algeria
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Al-Mashala HH, Boone AM, Schnitzler EG. Reactive uptake of ozone to azo dyes in a coated-wall flow tube. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2022; 24:973-981. [PMID: 35616932 DOI: 10.1039/d1em00478f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Azo dyes are the most common colorants in consumer products, including clothing and cosmetics. Some azo dyes and their products from reductive degradation are known to be mutagenic, so dermal exposure to these species has been studied extensively. In contrast, oxidative degradation of azo dyes in consumer products has not been studied so thoroughly. In the indoor environment, ozone is ubiquitous, so reactive uptake of ozone to azo dyes could lead to dermal exposure to other classes of degradation products. Here, we report the first measurements of the reactive uptake of ozone to thin films of three widely used commercial azo dyes: sunset yellow, amaranth, and tartrazine. Steady-state uptake was observed for all three dyes, under all conditions investigated, even at the lowest relative humidity (RH) of 0%. The uptake coefficients increased with RH. For sunset yellow at 100 ppb of ozone, the value at 80% RH, (2.0 ± 0.5) × 10-7, was 2.5 times greater than that at 0% RH, (8 ± 1) × 10-8, consistent with plasticization of the thin film due to absorption of water. The uptake coefficient of sunset yellow at 80% RH exhibited an inverse dependence on the ozone mixing ratio, approaching an asymptote of 1 × 10-7 above 250 ppb. At 80% RH and 100 ppb of ozone, the uptake coefficients for the three dyes were similar, (2.0 ± 0.5) × 10-7 for sunset yellow, (2.7 ± 0.6) × 10-7 for amaranth, and (3.2 ± 0.3) × 10-7 for tartrazine, despite differences in structural parameters related to the number of reactive sites at the surface. Together, these results are consistent with ozone diffusing into the thin film and the dye molecules mixing between the layers, such that reaction is not restricted to the surface of the film. Finally, the results are suggestive of a role for azo dyes, including the occurrence of their oxidation products, in indoor chemistry.
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Affiliation(s)
- Habeeb H Al-Mashala
- Department of Chemistry, Oklahoma State University, Stillwater, OK 74078, USA.
| | - Alison M Boone
- Department of Chemistry, Oklahoma State University, Stillwater, OK 74078, USA.
| | - Elijah G Schnitzler
- Department of Chemistry, Oklahoma State University, Stillwater, OK 74078, USA.
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19
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Thomas OE, Adegoke OA. Synthesis, characterization and solvatochromic behaviour of new water-soluble 8-hydroxy-3,6-disulphonaphthyl azohydroxynaphthalenes. JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE 2022. [DOI: 10.1080/16583655.2022.2070903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Olusegun E. Thomas
- Department of Pharmaceutical Chemistry, University of Ibadan, Ibadan, Nigeria
| | - Olajire A. Adegoke
- Department of Pharmaceutical Chemistry, University of Ibadan, Ibadan, Nigeria
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20
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Cinnamon nanocellulose as a novel catalyst to remove methyl orange from aqueous solution. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109222] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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21
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Kumaravel TS, Sathya TN, Balaje R, Pradeepa P, Yogaraj D, Murali MR, Navaneethakrishnan KR, Murugan S, Jha AN. Genotoxicity evaluation of medical devices: A regulatory perspective. MUTATION RESEARCH. REVIEWS IN MUTATION RESEARCH 2022; 789:108407. [PMID: 35690410 DOI: 10.1016/j.mrrev.2021.108407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 11/22/2021] [Accepted: 11/29/2021] [Indexed: 06/15/2023]
Abstract
This review critically evaluates our current regulatory understanding of genotoxicity testing and risk assessment of medical devices. Genotoxicity risk assessment of these devices begins with the evaluation of materials of construction, manufacturing additives and all residual materials for potential to induce DNA damage. This is followed by extractable and/or leachable (E&L) studies to understand the worst case and/or clinical exposures, coupled with risk assessment of extractables or leachables. The TTC (Threshold of Toxicological Concern) approach is used to define acceptable levels of genotoxic chemicals, when identified. Where appropriate, in silico predictions may be used to evaluate the genotoxic potentials of identifiable chemicals with limited toxicological data and above the levels defined by TTC. Devices that could not be supported by E&L studies are evaluated by in vitro genotoxicity studies conducted in accordance with ISO10993-3 and 33. Certain endpoints such as 'site of contact genotoxicity' that are specific for certain classes of medical devices are currently not addressed in the current standards. The review also illustrates the potential uses of recent advances to achieve the goal of robust genotoxicity assessment of medical devices which are being increasingly used for health benefits. The review also highlights the gaps for genotoxicity risk assessment of medical devices and suggests possible approaches to address them taking into consideration the recent advances in genotoxicity testing including their potential uses in biocompatibility assessment.
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Affiliation(s)
- Tirukalikundram S Kumaravel
- GLR Laboratories (Europe) Pvt. Ltd., Sharnbrook, MK44 1LZ, United Kingdom; GLR Laboratories Pvt Ltd, Chennai, 600068, India.
| | | | | | | | | | | | | | - Sivasubramanian Murugan
- GLR Laboratories (Europe) Pvt. Ltd., Sharnbrook, MK44 1LZ, United Kingdom; GLR Laboratories Pvt Ltd, Chennai, 600068, India
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, PL4 8AA, United Kingdom
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22
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Sharma K, Sharma P, Dhiman SK, Chadha P, Saini HS. Biochemical, genotoxic, histological and ultrastructural effects on liver and gills of fresh water fish Channa punctatus exposed to textile industry intermediate 2 ABS. CHEMOSPHERE 2022; 287:132103. [PMID: 34488055 DOI: 10.1016/j.chemosphere.2021.132103] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Revised: 08/12/2021] [Accepted: 08/29/2021] [Indexed: 06/13/2023]
Abstract
The study was planned to assess the acute toxicity of textile industry intermediate, 2 amino benzene sulfonate (2 ABS) through biochemical, genotoxic, histopathological and ultrastructural (SEM) analysis in liver and gills of fresh water fish Channa punctatus. The fish were subjected to two sublethal concentrations (2.83 mg/30 g b. w. and 5.66 mg/30 g b. w.) for 96 h. A significant (p ≤ 0.05) increment in the enzymatic activity of catalase (CAT), superoxide dismutase (SOD) and glutathione reductase (GR) was observed followed by decline on CAT-SOD after 96 h of exposure in both the tissues, whereas increment in malondialdehyde (MDA) levels were observed throughout the exposure period for both the concentrations. Comet assay also showed elevated tail length and % tail DNA throughout the exposure period, marking maximum damage after 96 h for both the tissues. Light microscopy divulged several anomalies including: infiltration of lymphocytes, sinusoidal dilations, necrosis, vacuolation in liver and secondary lamellae fusion, telangiectasia and epithelial uplifting in gills. The highest degree of tissue change (DTC) in liver (50.33 ± 0.88) and gill (42.33 ± 2.18) was recorded with the highest concentration after 96 h of exposure. Scanning electron microscopy (SEM) also reaffirmed several alterations in liver and gills of fish. The findings of the present study inflict changes in liver and gills, marking the interference of 2 ABS with the normal functioning by suppressing the enzymatic activity, accelerating the lipid peroxidation, enhancing DNA damage and by disrupting normal architecture of liver and gills, making it toxic towards the fish even at sub-lethal concentrations.
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Affiliation(s)
- Khushboo Sharma
- Cytogenetics Lab, Department of Zoology, Guru Nanak Dev University, Amritsar, 143005, India.
| | - Prince Sharma
- Cytogenetics Lab, Department of Zoology, Guru Nanak Dev University, Amritsar, 143005, India.
| | - Shakti Kumar Dhiman
- Instrumentation Division, CSIR-Indian Institute of Integrative Medicine, Jammu, 180016, India.
| | - Pooja Chadha
- Cytogenetics Lab, Department of Zoology, Guru Nanak Dev University, Amritsar, 143005, India.
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23
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Siddique F, Mirzaei A, Gonzalez-Cortes S, Slocombe D, Al-Megren HA, Xiao T, Rafiq MA, Edwards PP. Sustainable chemical processing of flowing wastewater through microwave energy. CHEMOSPHERE 2022; 287:132035. [PMID: 34474383 DOI: 10.1016/j.chemosphere.2021.132035] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 08/21/2021] [Accepted: 08/25/2021] [Indexed: 06/13/2023]
Abstract
Iron oxide nanostructured catalysts have emerged as potential candidates for efficient energy conversion and electrochemical energy storage devices. However, synthesis and design of nanomaterial plays a key role in its performance and efficiency. Herein, we describe a one-pot solution combustion synthesis (SCS) of α-Fe2O3 with glycine as a fuel, and a subsequent reduction step to produce iron-containing catalysts (i.e., Fe3O4, Fe-Fe3O4, and Fe0). The synthesized iron-based nanoparticles were investigated for methyl orange (MO) degradation through Microwave (MW) energy under continuous flow conditions. Fe-Fe3O4 showed higher MO degradation efficiency than α-Fe2O3, Fe3O4 and Fe0 at low absorbed MW power (i.e. 5-80 W). The enhanced degradation efficiency is associated to the combination of higher availability of electron density and higher heating effect under MW energy. Investigation of dielectric properties showed relative dielectric loss of Fe3O4, Fe-Fe3O4, and Fe0 as 3847, 2010, and 1952, respectively. The calculated average local temperature by the comparative analysis of MW treatment with conventional thermal (CT) treatment showed a marked thermal effect of MW-initiated MO degradation. This work highlights the potential of microwave-driven water depollution under continuous-flow processing conditions and demonstrates the positive impact that earth-abundant Fe catalyst synthesized by green SCS method can have over the treatment of wastewater.
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Affiliation(s)
- Fizza Siddique
- Department of Physics and Applied Mathematics, Pakistan Institute of Engineering and Applied Sciences, Nilore, Islamabad, 45650, Pakistan
| | - Amir Mirzaei
- Department of Building, Civil and Environmental Engineering, Concordia University, Montreal, H3G 1M8, Canada
| | - Sergio Gonzalez-Cortes
- Inorganic Chemistry Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford, OX1 3QR, UK.
| | - Daniel Slocombe
- School of Engineering, Cardiff University, Queen's Buildings, The Parade, Cardiff, CF24 3AA, UK
| | - Hamid A Al-Megren
- Materials Division, King Abdulaziz City for Science and Technology, Riyadh, 11442, Kingdom of Saudi Arabia
| | - Tiancun Xiao
- Inorganic Chemistry Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford, OX1 3QR, UK.
| | - M A Rafiq
- Department of Physics and Applied Mathematics, Pakistan Institute of Engineering and Applied Sciences, Nilore, Islamabad, 45650, Pakistan.
| | - Peter P Edwards
- Inorganic Chemistry Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford, OX1 3QR, UK.
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EL-Ghoul Y, Alminderej FM, Alsubaie FM, Alrasheed R, Almousa NH. Recent Advances in Functional Polymer Materials for Energy, Water, and Biomedical Applications: A Review. Polymers (Basel) 2021; 13:4327. [PMID: 34960878 PMCID: PMC8708011 DOI: 10.3390/polym13244327] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/02/2021] [Accepted: 12/06/2021] [Indexed: 01/10/2023] Open
Abstract
Academic research regarding polymeric materials has been of great interest. Likewise, polymer industries are considered as the most familiar petrochemical industries. Despite the valuable and continuous advancements in various polymeric material technologies over the last century, many varieties and advances related to the field of polymer science and engineering still promise a great potential for exciting new applications. Research, development, and industrial support have been the key factors behind the great progress in the field of polymer applications. This work provides insight into the recent energy applications of polymers, including energy storage and production. The study of polymeric materials in the field of enhanced oil recovery and water treatment technologies will be presented and evaluated. In addition, in this review, we wish to emphasize the great importance of various functional polymers as effective adsorbents of organic pollutants from industrial wastewater. Furthermore, recent advances in biomedical applications are reviewed and discussed.
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Affiliation(s)
- Yassine EL-Ghoul
- Department of Chemistry, College of Science, Qassim University, King Abdulaziz Rd, P.O. Box 1162, Buraidah 51452, Saudi Arabia
- Textile Engineering Laboratory, University of Monastir, Monastir 5019, Tunisia
| | - Fahad M. Alminderej
- Department of Chemistry, College of Science, Qassim University, King Abdulaziz Rd, P.O. Box 1162, Buraidah 51452, Saudi Arabia
| | - Fehaid M. Alsubaie
- National Center for Chemical Catalysis Technology, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Saudi Arabia;
| | - Radwan Alrasheed
- National Center for Desalination & Water Treatment Technology, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Saudi Arabia;
| | - Norah H. Almousa
- National Center for Chemical Catalysis Technology, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Saudi Arabia;
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Sherino B, Abdul Halim SN, Manan NSA, Kamboh MA, Rashidi Nodeh H, Afzal S, Bibi N, Mohamad S. Synthesis of new Zn-decorated metal-organic frameworks for enhanced removal of carcinogenic textile dye: equilibrium and kinetic modeling studies. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2021; 56:1296-1305. [PMID: 34651564 DOI: 10.1080/10934529.2021.1987101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 09/17/2021] [Accepted: 09/19/2021] [Indexed: 06/13/2023]
Abstract
This paper describes the synthesis and characterization of Zn2+ decorated (adipic and terephthalic acid as linkers) piperazine-based metal-organic framework (P-MOFs) and their extraction behavior toward the Chicago sky blue (CSB) dye. The formation of Zn2+-decorated P-MOFs was confirmed by FT-IR spectroscopy, energy-dispersive spectroscopy, X-ray diffraction, BET surface area analysis and TGA. Adsorption behavior of the synthesized P-MOFs was explored through solid-phase adsorption (batch method) prior to UV-Vis spectrophotometric determination. Adsorption parameters, including adsorbent dosage, pH of solution, dye concentration, and time, were optimized. Excellent percentage removal of 94% and 95% for AP-Zn-MOF and TP-Zn-MOF, respectively, was achieved at pH 7.5. Kinetics studies indicated that the synthesized adsorbents AP-Zn-MOF and TP-Zn-MOF followed the pseudo-second-order rate model with R2 value 0.9989. The Freundlich isotherm with high R2 value as compared to Langmuir isotherm indicated that CSB adsorption for the synthesized MOFs follows multilayer adsorption.
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Affiliation(s)
- Bibi Sherino
- Department of Chemistry, Faculty of Science, University Malaya, Kuala Lumpur, Malaysia
- Department of Chemistry, Sardar Bahadur Khan Women University, Quetta, Balochistan, Pakistan
| | | | - Ninie Suhana Abdul Manan
- Department of Chemistry, Faculty of Science, University Malaya, Kuala Lumpur, Malaysia
- University Malaya Centre for Ionic Liquids, University of Malaya, Kuala Lumpur, Malaysia
| | - Muhammad Afzal Kamboh
- Department of Chemistry, Shaheed Benazir Bhutto University, Shaheed Benazirabad, Sindh, Pakistan
| | - Hamid Rashidi Nodeh
- Department of Chemistry, Faculty of Science, University Malaya, Kuala Lumpur, Malaysia
- Department of Chemistry, Faculty of Science, University of Tehran, Tehran, Iran
| | - Saba Afzal
- Department of Chemistry, Faculty of Science, University Malaya, Kuala Lumpur, Malaysia
- Department of Chemistry, Sardar Bahadur Khan Women University, Quetta, Balochistan, Pakistan
| | - Nusrat Bibi
- Department of Chemistry, Sardar Bahadur Khan Women University, Quetta, Balochistan, Pakistan
| | - Sharifah Mohamad
- Department of Chemistry, Faculty of Science, University Malaya, Kuala Lumpur, Malaysia
- University Malaya Centre for Ionic Liquids, University of Malaya, Kuala Lumpur, Malaysia
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Suarez-Torres JD, Orozco CA, Ciangherotti CE. Applying Bayesian forecasting to predictive toxicology: the probability of innate carcinogenicity to humans of dyes synthesized from benzidine. Toxicol Lett 2021; 351:111-134. [PMID: 34384884 DOI: 10.1016/j.toxlet.2021.08.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 07/30/2021] [Accepted: 08/06/2021] [Indexed: 11/16/2022]
Abstract
The preclinical identification of health hazards relies on the performance (the historic agreement with the ultimate gold standard) of regulatorily recommended bioassays. However, any screening testing with less than 100% sensitivity, or 100% specificity, can deliver false results (outcomes discordant to the ultimate gold standard). Conversely, the predictive values approach (a.k.a. Bayesian forecasting) weighs (1) the performance of the predictive bioassay (battery, or framework) with (2) the prevalence of -positivity to the ultimate gold standard- in the most representative category to which the substance in evaluation can be allocated. Thus, the predictive values approach (PVA) provides the quantitative probability of toxicity to humans for substances that, circumstantially, are evaluable only through nonclinical data. Consequently, the PVA improves the predictivity of nonclinical toxicology, increasing the potential impact of hazard identifications based on preclinical data only. This article aimed to introduce the PVA through a worked example. Due to their toxicological homogeneity and public health relevance, the superfamily of colorants derived from benzidine (BZ) or some mutagenic congeners was selected (hereafter mentioned as BZ-related-colorants). For 259 BZ-related-colorants, the numeric probability of innate carcinogenicity to humans was estimated (from rodent carcinogenicity bioassays) or predicted (from alternative methods) through the PVA. A discussion was provided on (1) some limitations and implications of the PVA, and (2) the probable significance of the predictive values figured for up to 259 BZ-related-colorings.
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Affiliation(s)
- Jose D Suarez-Torres
- Department of Pharmacy (Faculty of Sciences), Department of Toxicology (Faculty of Medicine), Universidad Nacional de Colombia, Colombia; Institute of Pharmaceutical Research, Faculty of Pharmacy, Universidad Central de Venezuela, Caracas, D.C., Venezuela.
| | - Camilo A Orozco
- Department of Animal Health, Faculty of Veterinary Medicine and Zootechnics, Universidad Nacional de Colombia, Bogotá, D.C, Colombia
| | - Carlos E Ciangherotti
- Institute of Pharmaceutical Research, Faculty of Pharmacy, Universidad Central de Venezuela, Caracas, D.C., Venezuela
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Ardila-Leal LD, Poutou-Piñales RA, Pedroza-Rodríguez AM, Quevedo-Hidalgo BE. A Brief History of Colour, the Environmental Impact of Synthetic Dyes and Removal by Using Laccases. Molecules 2021; 26:3813. [PMID: 34206669 PMCID: PMC8270347 DOI: 10.3390/molecules26133813] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 06/12/2021] [Accepted: 06/16/2021] [Indexed: 12/07/2022] Open
Abstract
The history of colour is fascinating from a social and artistic viewpoint because it shows the way; use; and importance acquired. The use of colours date back to the Stone Age (the first news of cave paintings); colour has contributed to the social and symbolic development of civilizations. Colour has been associated with hierarchy; power and leadership in some of them. The advent of synthetic dyes has revolutionized the colour industry; and due to their low cost; their use has spread to different industrial sectors. Although the percentage of coloured wastewater discharged by the textile; food; pharmaceutical; cosmetic; and paper industries; among other productive areas; are unknown; the toxic effect and ecological implications of this discharged into water bodies are harmful. This review briefly shows the social and artistic history surrounding the discovery and use of natural and synthetic dyes. We summarise the environmental impact caused by the discharge of untreated or poorly treated coloured wastewater to water bodies; which has led to physical; chemical and biological treatments to reduce the colour units so as important physicochemical parameters. We also focus on laccase utility (EC 1.10.3.2), for discolouration enzymatic treatment of coloured wastewater, before its discharge into water bodies. Laccases (p-diphenol: oxidoreductase dioxide) are multicopper oxidoreductase enzymes widely distributed in plants, insects, bacteria, and fungi. Fungal laccases have employed for wastewater colour removal due to their high redox potential. This review includes an analysis of the stability of laccases, the factors that influence production at high scales to achieve discolouration of high volumes of contaminated wastewater, the biotechnological impact of laccases, and the degradation routes that some dyes may follow when using the laccase for colour removal.
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Affiliation(s)
- Leidy D. Ardila-Leal
- Grupo de Biotecnología Ambiental e Industrial (GBAI), Laboratorio de Biotecnología Molecular, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana (PUJ), Bogotá 110-23, DC, Colombia;
| | - Raúl A. Poutou-Piñales
- Grupo de Biotecnología Ambiental e Industrial (GBAI), Laboratorio de Biotecnología Molecular, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana (PUJ), Bogotá 110-23, DC, Colombia;
| | - Aura M. Pedroza-Rodríguez
- Grupo de Biotecnología Ambiental e Industrial (GBAI), Laboratorio de Microbiología Ambiental y de Suelos, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana (PUJ), Bogotá 110-23, DC, Colombia;
| | - Balkys E. Quevedo-Hidalgo
- Grupo de Biotecnología Ambiental e Industrial (GBAI), Laboratorio de Biotecnología Aplicada, Departamento de Microbiología, Facultad de Ciencias, Pontificia Universidad Javeriana (PUJ), Bogotá 110-23, DC, Colombia;
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Li Wang, Wang J, Zhao M. Kinetic Studies on Electrochemical Degradation of Rhodamine B. J WATER CHEM TECHNO+ 2021. [DOI: 10.3103/s1063455x21020132] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Kumar S, Kaushik R, Purohit L. Novel ZnO tetrapod-reduced graphene oxide nanocomposites for enhanced photocatalytic degradation of phenolic compounds and MB dye. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.114814] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Arellano-Sánchez MG, Devouge-Boyer C, Hubert-Roux M, Afonso C, Mignot M. Chromium Determination in Leather and Other Matrices: A Review. Crit Rev Anal Chem 2021; 52:1537-1556. [PMID: 33678081 DOI: 10.1080/10408347.2021.1890545] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Leather industry plays an essential role in the world's economy; however, it also has a negative environmental impact due to the generation of significant quantities of wastes, some of which are classified as hazardous chemicals. Chrome tanning, the most popular tanning process, employs chromium salts, acids, and some other chemicals. Some dyes can be also a source of chromium. As a result, hexavalent chromium, a known carcinogenic and mutagenic, can be found in leather products and cause allergic dermatitis or trigger other diseases. For this reason, it is important to quantify the total amount of chromium in final leather goods, as well as the oxidation state in which this element is found. This paper aims to summarize chromium contamination due to the leather production processes, and to review the analytical methods that have been used to determine chromium's most abundant species: Cr(III) and Cr(VI) in leather and other matrices (foodstuffs, cosmetic products, environmental, and pharmaceutical samples). The international and European regulations are presented as well as the last academic developments to extract and quantify chromium species. The future outlook of pretreatment and quantification techniques are also discussed in this work, with a special focus on chromium interconversions.
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Affiliation(s)
| | | | - Marie Hubert-Roux
- Normandie University, UNIROUEN, COBRA, UMR CNRS 6014, IRCOF, Mont-Saint-Aignan Cedex, France
| | - Carlos Afonso
- Normandie University, UNIROUEN, COBRA, UMR CNRS 6014, IRCOF, Mont-Saint-Aignan Cedex, France
| | - Mélanie Mignot
- Normandie University, UNIROUEN, COBRA UMR CNRS 6014, INSA, Saint-Étienne-du-Rouvray, France
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Rashidnejad H, Ramezanitaghartapeh M, Pesyan NN, Mahon PJ, Raposo M, Coelho PJ, Lup ANK, Soltani A. A comprehensive spectroscopic, solvatochromic and photochemical analysis of 5-hydroxyquinoline and 8-hydroxyquinoline mono-azo dyes. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129323] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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El-Desoky GE, Wabaidur SM, AlOthman ZA, Habila MA. Regulatory Role of Nano-Curcumin against Tartrazine-Induced Oxidative Stress, Apoptosis-Related Genes Expression, and Genotoxicity in Rats. Molecules 2020; 25:E5801. [PMID: 33316931 PMCID: PMC7763955 DOI: 10.3390/molecules25245801] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 12/02/2020] [Accepted: 12/02/2020] [Indexed: 12/31/2022] Open
Abstract
The present study evaluates the regulatory effect of Nano-Curcumin (Nano-CUR) against tartrazine (TZ)-induced injuries on apoptosis-related gene expression (i.e., p53, CASP-3 and CASP-9), antioxidant status, and DNA damages in bone marrow in treated rats. Male rats were arbitrarily separated into five groups, and each group was comprised of 10 rats each. The 1st group served as control (G1). The 2nd group ingested 7.5 mg TZ/kg. b.w. (body weight). The 3rd group ingested Nano-CUR 1 g/kg b.w. The 4th and 5th groups were respectively administered with (1 g Nano-CUR + 7.5 mg TZ/kg. b.w.) and (2 g Nano-CUR + 7.5 mg TZ/kg. b.w.). At the end of the experiment, blood samples, livers, and kidneys were collected. Livers and kidneys were homogenized and used for the analysis of reduced glutathione, malonaldhyde, total antioxidant capacity, lipid peroxide antioxidant enzyme activities, apoptosis-related gene expression, and genotoxicity by comit test. The ingestion of TZ for 50 days resulted in significant decreases in body, and kidney weights in rats and a relative increase in the liver weight compared to control. In contrast, the ingestion of Nano-CUR with TZ remarkably upgraded the body weight and relative liver weight compared to the normal range in the control. Aditionally, TZ ingestion in rats increased the oxidative stress biomarkers lipid peroxide (LPO) and malonaldehyde (MDA) significantly, whereas it decreased the reduced glutathione (GSH) levels and total antioxidant capacity (TAC). Similarly, the levels of glutathione peroxidase (GPx), superoxide dismutase (SOD), and catalase (CAT) significantly deteriorated in response to TZ ingestion. Moreover, the results revealed a remarkable up-regulation in the level of expression for the three examined genes, including p53, CASP-3, and CASP-9 in TZ-ingested rats compared to the control. On the other hand, the comet assay result indicates that the ingestion of TZ induced DNA damage in bone marrow. Notably, the administration of Nano-CUR protected the kidney and liver of TZ-ingested rats as evidenced by a significant elevation in all antioxidant activities of tested enzymes (i.e, SOD, GPx, and CAT), vital recovery in GSH and TAC levels, and a statistical decrease in LPO and MDA compared to TZ-ingested rats. Interestingly, the ingestion of rats with TZ modulates the observed up-regulation in the level of expression for the chosen genes, indicating the interfering role in the signaling transduction process of TZ-mediated poisoning. The results indicate that the administration of Nano-CUR may protect against TZ-induced DNA damage in bone marrow. According to the results, Nano-CUR exerted a potential protective effect against oxidative stress, DNA damage, and the up-regulation of apoptosis-related genes induced by TZ ingested to rats.
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Affiliation(s)
- Gaber E. El-Desoky
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (S.M.W.); (Z.A.A.); (M.A.H.)
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Nicola R, Muntean SG, Nistor MA, Putz AM, Almásy L, Săcărescu L. Highly efficient and fast removal of colored pollutants from single and binary systems, using magnetic mesoporous silica. CHEMOSPHERE 2020; 261:127737. [PMID: 32738712 DOI: 10.1016/j.chemosphere.2020.127737] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 07/11/2020] [Accepted: 07/14/2020] [Indexed: 06/11/2023]
Abstract
Magnetic mesoporous silica material was tested as adsorbent for removal of two usual colored compounds present in industrial wastewater. The magnetic mesoporous silica was synthesized by modified sol-gel method and characterized from the morpho-textural, structural and magnetic point of view. The specific surface area and the total pore volume indicate a good adsorption capacity of the material, and the obtained saturation magnetization strength value denotes a good magnetic separation from solution. The adsorption capacity of magnetic mesoporous silica increases with the increase of the initial dye concentration, and the removal efficiency of the dyes was dependent on the pH of the solution and decreased with increasing temperature. The pseudo-second-order kinetic model described best the adsorption mechanism, and the maximum adsorption capacities were determined from the Sips isotherm model, being 88.29 mg/g for Congo Red and 208.31 mg/g for Methylene Blue. A complete thermodynamic evaluation was performed, by determining the free energy, enthalpy and entropy, and the result showed a spontaneous and exothermic adsorption process. The recovery and reutilization of the adsorbent were estimated in five cycles of adsorption-desorption, and the results indicated a good stability and reusability of magnetic mesoporous silica. The new magnetic mesoporous silica can be easily separated from solution, via an external magnetic field, and may be effectively applied as adsorbent for elimination of dyes from colored polluted waters.
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Affiliation(s)
- Roxana Nicola
- "Coriolan Drăgulescu" Institute of Chemistry, Romanian Academy, Bv. Mihai Viteazu, No. 24, RO-300223, Timişoara, Romania
| | - Simona-Gabriela Muntean
- "Coriolan Drăgulescu" Institute of Chemistry, Romanian Academy, Bv. Mihai Viteazu, No. 24, RO-300223, Timişoara, Romania.
| | - Maria-Andreea Nistor
- "Coriolan Drăgulescu" Institute of Chemistry, Romanian Academy, Bv. Mihai Viteazu, No. 24, RO-300223, Timişoara, Romania
| | - Ana-Maria Putz
- "Coriolan Drăgulescu" Institute of Chemistry, Romanian Academy, Bv. Mihai Viteazu, No. 24, RO-300223, Timişoara, Romania
| | - László Almásy
- Wigner Research Centre for Physics, Institute for Solid State Physics and Optics, POB 49, Budapest, 1525, Hungary
| | - Liviu Săcărescu
- Institute of Macromolecular Chemistry, Petru Poni", 41A, Grigore Ghica Voda str., 700487, Iasi, Romania
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Dendrimer assisted dye-removal: A critical review of adsorption and catalytic degradation for wastewater treatment. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113775] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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35
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Samoylov A, Suraeva N, Zaytseva M, Rachkova V, Kurbanova M, Belozerov G. Toxicity of apple juice and its components in the model plant system. FOODS AND RAW MATERIALS 2020. [DOI: 10.21603/2308-4057-2020-2-321-328] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Introduction. In view of the ongoing research into the negative effects of fruit juice on human health, we aimed to study the subchronic toxicity of apple juice, a model mixture based on its components, and ethanol on biomass growth, cellular oxidative enzymes, and chromosomal abnormalities in Allium cepa roots.
Study objects and methods. Our objects of study included clarified apple juice and its components such as fructose, glucose, sucrose, D-sorbitol, and malic acid. After treating Allium cepa roots with apple juice and a model mixture in different concentrations, we analyzed their toxic effects on biomass growth, malondialdehyde levels, as well as the nature and frequency of proliferative and cytogenetic disorders in the plant tissues.
Results and discussion. The incubation in an aqueous solution of apple juice at a concentration of 1:5 inhibited the growth in root mass by 50% compared to the control (water). The mitotic index of cells decreased with higher concentrations of juice, reaching zero at a 1:5 dilution. The fructose and model solutions in the same concentrations appeared less toxic in relation to cell mitosis and root mass growth. Although malondialdehyde levels increased in the onion roots treated with juice and model solutions, they were twice as low as in the control due to the juice’s antioxidant activity. Adding 1% ethanol to the 1:2 diluted juice abolished the effect of acute toxicity on root growth and reduced malondialdehyde levels by 30%.
Conclusion. The study revealed a complex of interdependent biomarkers of apple juice responsible for its subchronic toxicity in Allium cepa roots. These data can be used to create biological response models based on the approaches of systems biology and bioinformatics.
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Affiliation(s)
- Artem Samoylov
- All-Russian Scientific Research Institute of Canning Technology – branch of V.M. Gorbatov Federal Research Center for Food Systems RAS
| | - Natal’ya Suraeva
- All-Russian Scientific Research Institute of Canning Technology – branch of V.M. Gorbatov Federal Research Center for Food Systems RAS
| | - Mariya Zaytseva
- All-Russian Scientific Research Institute of Canning Technology – branch of V.M. Gorbatov Federal Research Center for Food Systems RAS
- Lomonosov Moscow State University
| | - Vera Rachkova
- All-Russian Scientific Research Institute of Canning Technology – branch of V.M. Gorbatov Federal Research Center for Food Systems RAS
| | - Madinat Kurbanova
- All-Russian Scientific Research Institute of Canning Technology – branch of V.M. Gorbatov Federal Research Center for Food Systems RAS
| | - Georgy Belozerov
- All-Russian Scientific Research Institute of Refrigeration Industry – branch of V.M. Gorbatov Federal Research Center for Food Systems RAS
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Performance verification of different advanced oxidation processes in the degradation of the dye acid violet 17: reaction kinetics, toxicity and degradation prediction by artificial neural networks. CHEMICAL PAPERS 2020. [DOI: 10.1007/s11696-020-01325-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Nandanwadkar SM, Mastiholimath V. A novel USP-HPTLC protocol compliant method for the simultaneous quantification of E-102, E-124, and E-133 azo dyes in consumer goods. JPC-J PLANAR CHROMAT 2020. [DOI: 10.1007/s00764-020-00038-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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38
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Panwar V, Sheikh JN, Dutta T. Sustainable Denim Bleaching by a Novel Thermostable Bacterial Laccase. Appl Biochem Biotechnol 2020; 192:1238-1254. [PMID: 32715414 DOI: 10.1007/s12010-020-03390-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 07/16/2020] [Indexed: 11/30/2022]
Abstract
Laccases have emerged as environment-friendly multifaceted biocatalysts for diverse biotechnological applications. Here, we isolated a high molecular weight (88 kDa) extremophilic laccase (LacT) from Brevibacillus agri, with the aim to exploit its extreme characters in denim bleaching. LacT has been characterized as a thermostable, acidophilic enzyme with high salt, organic solvent, and divalent metal tolerance properties. Denim bleaching efficiency of LacT was optimum at pH 4.0 and appeared to be surpassing over other reported laccases. LacT also exhibited remarkable efficacy in the decolorization of water-soluble health hazardous azo-dyes, and thus transpired to be a promising bio-bleaching and dye decolorizing agent.
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Affiliation(s)
- Varsha Panwar
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Javed Nabibaksha Sheikh
- Department of Textile Technology, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Tanmay Dutta
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India.
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Bhatia K, Bhumika, Das A. Combinatorial drug therapy in cancer - New insights. Life Sci 2020; 258:118134. [PMID: 32717272 DOI: 10.1016/j.lfs.2020.118134] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 07/18/2020] [Accepted: 07/20/2020] [Indexed: 12/19/2022]
Abstract
Cancer can arise due to mutations in numerous pathways present in our body and thus has many alternatives for getting aggravated. Due to this attribute, it gets difficult to treat cancer patients with monotherapy alone and has a risk of not being eliminated to the full extent. This necessitates the introduction of combinatorial therapy as it employs cancer treatment using more than one method and shows a greater success rate. Combinatorial therapy involves a complementary combination of two different therapies like a combination of radio and immunotherapy or a combination of drugs that can target more than one pathway of cancer formation like combining CDK targeting drugs with Growth factors targeting drugs. In this review, we discuss the various aspects of cancer which include, its causes; four regulatory mechanisms namely: apoptosis, cyclin-dependent kinases, tumor suppressor genes, and growth factors; some of the pathways involved; treatment: monotherapy and combinatorial therapy and combinatorial drug formulation in chemotherapy. The present review gives a holistic account of the different mechanisms of therapies and also drug combinations that may serve to not only complement the monotherapy but can also surpass the resistance against monotherapy agents.
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Affiliation(s)
- Karanpreet Bhatia
- Department of Biotechnology, Delhi Technological University, Main Bawana Road, Delhi 110042, India
| | - Bhumika
- Department of Biotechnology, Delhi Technological University, Main Bawana Road, Delhi 110042, India
| | - Asmita Das
- Department of Biotechnology, Delhi Technological University, Main Bawana Road, Delhi 110042, India.
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El-Khalafy S, Hassanein M, Abd-Elal M, Atia A. Oxidation of azo dye Orange II with hydrogen peroxide catalyzed by 5,10,15,20-tetrakis[4-(diethylmethylammonio)phenyl]porphyrinato-cobalt(II)tetraiodide in aqueous solution. JOURNAL OF SAUDI CHEMICAL SOCIETY 2020. [DOI: 10.1016/j.jscs.2020.05.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Treatments of a phthalocyanine-based green ink for tattoo removal purposes: generation of toxic fragments and potentially harmful morphologies. Arch Toxicol 2020; 94:2359-2375. [PMID: 32472170 DOI: 10.1007/s00204-020-02790-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 05/20/2020] [Indexed: 02/04/2023]
Abstract
Since tattoos became overwhelmingly fashionable worldwide, the demand for removal has proportionally increased, Nd:YAG Q-switch laser being the most commonly used tool for the purpose. In this framework we investigated the composition and products of laser treatment of green tattoo ink, the Green Concentrate from Eternal. The ink characterization has been carried out by IR, UV-Vis, EDX spectroscopies, and SEM imaging. It revealed the presence of the pigment PG7, rather than PG36 as reported on the bottle label, along with non-fully halogenated analogues. The morphology is an extended sheath with embedded grains. Subsequent laser treatments were performed on both dried and extracted inks, dispersed either in water or in propan-2-ol, chosen for their different polarities, as it is the case in the skin layers. The products were analyzed by gas chromatography-mass spectrometry, UV-Vis spectroscopy, SEM imaging, and dynamic light scattering. The outcome is a complex fragmentation pattern that depends both on the solvent and on the initial aggregation state. The fragment compounds are toxic at various degrees according to the Classification Labelling and Packaging regulations. Several shapes of aggregates are produced as an effect of both downsizing and re-aggregation, with potentially harmful aspect ratios.
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Tarnow P, Zordick C, Bottke A, Fischer B, Kühne F, Tralau T, Luch A. Characterization of Quinoline Yellow Dyes As Transient Aryl Hydrocarbon Receptor Agonists. Chem Res Toxicol 2020; 33:742-750. [PMID: 31957441 DOI: 10.1021/acs.chemrestox.9b00351] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The aryl hydrocarbon receptor (AHR) and estrogen receptor alpha (ERα) are two ligand activated transcription factors that are targeted by a wide range of anthropogenic compounds. Crosstalk between both receptors is well established but little understood. We previously developed a dual color luciferase assay (i.e., XEER) which allows time dissolved monitoring of the activation of both receptors in situ. The system was now used in conjunction with HPLC-qTOF to identify several quinophthalone dyes as transient receptor agonists of the AHR. Altogether the approach identified three widely used dyes, that is the plastic colorant latyl yellow 3G (LY), the structurally related textile dye disperse yellow 64 (DY), and the cosmetic dye quinoline yellow (QY). The latter was the most potent agonist followed by LY and DY as confirmed by the XEER assay and CYP1A1 gene induction in MCF7 cells. In addition QY, LY, and DY also inhibited ER signaling in an AHR-dependent manner. This establishes some evidence for quinoline yellow dyes as potential disruptors of AHR/ER signaling, raising potential toxicological concern. Although none of the dyes featured any signs of genotoxicity in vitro, our data point to the need for a systematic approach when screening for substances of potential toxicological and endocrine relevance.
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Affiliation(s)
- Patrick Tarnow
- German Federal Institute for Risk Assessment, Department of Chemical and Product Safety, Max-Dohrn-Strasse 8-10, 10589 Berlin, Germany
| | - Catrin Zordick
- German Federal Institute for Risk Assessment, Department of Chemical and Product Safety, Max-Dohrn-Strasse 8-10, 10589 Berlin, Germany
| | - Alex Bottke
- German Federal Institute for Risk Assessment, Department of Chemical and Product Safety, Max-Dohrn-Strasse 8-10, 10589 Berlin, Germany
| | - Berit Fischer
- German Federal Institute for Risk Assessment, Department of Chemical and Product Safety, Max-Dohrn-Strasse 8-10, 10589 Berlin, Germany
| | - Friederike Kühne
- German Federal Institute for Risk Assessment, Department of Chemical and Product Safety, Max-Dohrn-Strasse 8-10, 10589 Berlin, Germany
| | - Tewes Tralau
- German Federal Institute for Risk Assessment, Department of Chemical and Product Safety, Max-Dohrn-Strasse 8-10, 10589 Berlin, Germany
| | - Andreas Luch
- German Federal Institute for Risk Assessment, Department of Chemical and Product Safety, Max-Dohrn-Strasse 8-10, 10589 Berlin, Germany
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Wei X, Xu X, Yang X, Li J, Liu Z. Visible light degradation of reactive black-42 by novel Sr/Ag-TiO 2@g-C 3N 4 photocatalyst: RSM optimization, reaction kinetics and pathways. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 228:117870. [PMID: 31813716 DOI: 10.1016/j.saa.2019.117870] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 11/26/2019] [Accepted: 11/26/2019] [Indexed: 05/08/2023]
Abstract
A novel Sr/Ag-TiO2@g-C3N4 (SAT-C) composite catalyst was fabricated through a sol-gel method followed by hydrothermal process. The prepared catalyst was characterized well. The doped Ag and Sr nanoparticles played the crucial role as an electron transfer bridge and the surface plasmon resonance effect of Ag remarkably improved the charge separation efficiency and enhanced visible-light response towards reactive black (RB-42) degradation. The enhanced photogenerated charge separation resulted from the existed integrated electric field of heterojunction and the superposed light response from hybridization of TiO2 and g-C3N4, Sr/Ag-TiO2@g-C3N4 composites exhibited remarkably improved photocatalytic activities for degrading RB-42. Furthermore, the effect of various operational parameters on the photocatalytic process was systematically evaluated by using response surface methodology (RSM). The maximum degradation efficiency (95.6%) was observed under the optimal conditions ([RB-42]0 = 20 mg/ L, [SAT-C]0 = 0.2 g/ L, pH = 4.5 and t = 40 min) for RB-42. The RB-42 degradation kinetics was well studied under the optimal conditions. In addition, the main degradation products of RB-42 were identified by the LC/ESI-MS analysis.
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Affiliation(s)
- Xueyu Wei
- School of Civil Engineering and Architecture, Anhui Polytechnic University, Wuhu 241000, PR China; College of Environment, Nanjing 210098, PR China.
| | - Xiaoping Xu
- School of Civil Engineering and Architecture, Anhui Polytechnic University, Wuhu 241000, PR China.
| | - Xiaofan Yang
- School of Civil Engineering and Architecture, Anhui Polytechnic University, Wuhu 241000, PR China
| | - Jiyuan Li
- School of Civil Engineering and Architecture, Anhui Polytechnic University, Wuhu 241000, PR China
| | - Zhigang Liu
- College of Environment, Nanjing 210098, PR China; Ningbo Water Supply Co Ltd, Ningbo 315041, PR China
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Bletsa E, Zaccone C, Miano T, Terzano R, Deligiannakis Y. Natural Mn-todorokite as an efficient and green azo dye-degradation catalyst. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:9835-9842. [PMID: 31925697 DOI: 10.1007/s11356-019-07524-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2019] [Accepted: 12/25/2019] [Indexed: 06/10/2023]
Abstract
A natural Mn mineral, i.e., todorokite [(Ca,Na,K)X(Mn4+,Mn3+)6O12·3.5H2O], has been collected in the Apulia region, south of Italy, and evaluated as an oxidation catalyst for the degradation of methyl orange (MO) dye. This Mn-todorokite mineral has been firstly characterized by X-ray diffraction, wavelength-dispersive X-ray fluorescence, BET, scanning electron microscopy, attenuated total reflectance Fourier transform infrared spectroscopy, and thermogravimetry. Catalytic dye-degradation data show that this Mn-todorokite can operate under strongly oxidizing potentials (Eh > + 400 mV) vs. standard hydrogen electrode performing fast MO degradation (t1/2 < 1 min). A detailed study using electron paramagnetic resonance spectroscopy revealed that, under oxidative conditions (Eh > + 450 mV), the active Mn centers of todorokite evolve rapidly through Mn3+/Mn4+ states and this is correlated with the fast catalytic degradation of MO. These results suggest Mn-todorokite mineral as an efficient, low-cost, and green catalyst which can be used for industrial and environmental purposes.
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Affiliation(s)
- Eleni Bletsa
- Laboratory of Physical Chemistry of Materials and Environment, Department of Physics, University of Ioannina, 45110, Ioannina, Greece
| | - Claudio Zaccone
- Department of the Sciences of Agriculture, Food and Environment, University of Foggia, Via Napoli 25, 71122, Foggia, Italy.
- Department of Biotechnology, University of Verona, Strada Le Grazie 15, 37134, Verona, Italy.
| | - Teodoro Miano
- Department of Soil, Plant and Food Sciences, University of Bari "Aldo Moro", Via Amendola 165/A, 70126, Bari, Italy
| | - Roberto Terzano
- Department of Soil, Plant and Food Sciences, University of Bari "Aldo Moro", Via Amendola 165/A, 70126, Bari, Italy
| | - Yiannis Deligiannakis
- Laboratory of Physical Chemistry of Materials and Environment, Department of Physics, University of Ioannina, 45110, Ioannina, Greece
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Sherino B, Abdul Halim SN, Shahabuddin S, Mohamad S. Simultaneous removal of carcinogenic anionic and cationic dyes from environmental water using a new Zn-based metal–organic framework. SEP SCI TECHNOL 2020. [DOI: 10.1080/01496395.2020.1713815] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Bibi Sherino
- Department of Chemistry, Faculty of Science, University Malaya, Kuala Lumpur, Malaysia
- Department of Chemistry, Sardar Bahadur Khan Women University, Quetta, Balochistan, Pakistan
| | | | - Syed Shahabuddin
- Department of Science, School of Technology, Pandit Deendayal Petroleum University, Gandhinagar, Gujarat, India
| | - Sharifah Mohamad
- Department of Chemistry, Faculty of Science, University Malaya, Kuala Lumpur, Malaysia
- Centre for Ionic Liquids, University of Malaya, Kuala Lumpur, Malaysia
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Güngör Ö. Efficient removal of carcinogenic azo dyes by novel pyrazine-2-carboxylate substituted calix[4, 8]arene derivatives. Supramol Chem 2020. [DOI: 10.1080/10610278.2020.1711908] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Ömer Güngör
- Advanced Vacational School of Hereke Omer Ismet Uzunyol, Department of Chemistry Technology, University of Kocaeli, Kocaeli, Turkey
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Ntrallou K, Gika H, Tsochatzis E. Analytical and Sample Preparation Techniques for the Determination of Food Colorants in Food Matrices. Foods 2020; 9:E58. [PMID: 31936025 PMCID: PMC7022967 DOI: 10.3390/foods9010058] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 12/27/2019] [Accepted: 01/03/2020] [Indexed: 11/20/2022] Open
Abstract
Color additives are widely used by the food industry to enhance the appearance, as well as the nutritional properties of a food product. However, some of these substances may pose a potential risk to human health, especially if they are consumed excessively and are regulated, giving great importance to their determination. Several matrix-dependent methods have been developed and applied to determine food colorants, by employing different analytical techniques along with appropriate sample preparation protocols. Major techniques applied for their determination are chromatography with spectophotometricdetectors and spectrophotometry, while sample preparation procedures greatly depend on the food matrix. In this review these methods are presented, covering the advancements of existing methodologies applied over the last decade.
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Affiliation(s)
- Konstantina Ntrallou
- Department of Chemical Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
| | - Helen Gika
- Laboratory of Forensic Medicine & Toxicology, Department of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
- BIOMIC AUTH Center for Interdisciplinary Research of the Aristotle University of Thessaloniki, Innovation Area of Thessaloniki, 57001 Thermi, Greece
| | - Emmanouil Tsochatzis
- Department of Chemical Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;
- BIOMIC AUTH Center for Interdisciplinary Research of the Aristotle University of Thessaloniki, Innovation Area of Thessaloniki, 57001 Thermi, Greece
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Funar-Timofei S, Ilia G. QSAR Modeling of Dye Ecotoxicity. METHODS IN PHARMACOLOGY AND TOXICOLOGY 2020. [DOI: 10.1007/978-1-0716-0150-1_18] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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