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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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Tanveer HB, Perveen F, Azam S, Arshad N, Rafique H, Irfan A, Arshad Z, Zaman SU, Qadar S. Efficient removal of toxic azo dyes from contaminated water by adsorption on the GO surface. PLoS One 2024; 19:e0299364. [PMID: 38551992 PMCID: PMC10980192 DOI: 10.1371/journal.pone.0299364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Accepted: 02/08/2024] [Indexed: 04/01/2024] Open
Abstract
The purpose of this study is to examine the possibility of GO to be used as an adsorbent for five novel potentially hazardous azo-dyes for their removal from aqueous solution. Adsorption characteristics of GO for azo-dyes removal were investigated by means of experimental and computational DFT as well as Monte Carlo approaches. Experimental studies include the effect of adsorbent dose, contact time, and initial concentration, while computational investigation involves DFT and Monte Carlo (MC) simulations. Through DFT studies geometric, electronic, and thermodynamic parameters were explored and possible mechanism of interactions and adsorption energies by predicted through MC by searching lowest possible adsorption complexes. Experimental data were evaluated by Langmuir models in order to describe the equilibrium isotherms. Equilibrium data fitted well to the Langmuir model. Thermodynamic parameters i.e., free energy change, enthalpy change, and entropy change revealed that the removal of azo-dyes by adsorption on the surface of GO molecular sieves was spontaneous. Nature of the process was found to be physiosorption involving non-covalent interaction. The study unveiled that GO can be used as an efficient adsorbent material for the adsorption of azo-dyes from aqueous solution.
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Affiliation(s)
- Haris bin Tanveer
- School of Interdisciplinary Engineering & Sciences (SINES), National University of Sciences & Technology (NUST), Islamabad, Pakistan
| | - Fouzia Perveen
- School of Interdisciplinary Engineering & Sciences (SINES), National University of Sciences & Technology (NUST), Islamabad, Pakistan
| | - Sumaiya Azam
- School of Interdisciplinary Engineering & Sciences (SINES), National University of Sciences & Technology (NUST), Islamabad, Pakistan
| | - Nasima Arshad
- Department of Chemistry, Allama Iqbal Open University, Islamabad, Pakistan
| | - Hummera Rafique
- Department of Chemistry, University of Gujrat, Gurjat, Pakistan
| | - Ahmad Irfan
- Department of Chemistry, College of Science, King Khalid University, Abha, Saudi Arabia
| | - Zoniya Arshad
- Department of Chemistry, University of Gujrat, Gurjat, Pakistan
| | - Salman u Zaman
- School of Interdisciplinary Engineering & Sciences (SINES), National University of Sciences & Technology (NUST), Islamabad, Pakistan
| | - Sher Qadar
- Department of Chemistry, Allama Iqbal Open University, Islamabad, Pakistan
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Pieper LM, Spanogiannopoulos P, Volk RF, Miller CJ, Wright AT, Turnbaugh PJ. The global anaerobic metabolism regulator fnr is necessary for the degradation of food dyes and drugs by Escherichia coli. mBio 2023; 14:e0157323. [PMID: 37642463 PMCID: PMC10653809 DOI: 10.1128/mbio.01573-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 07/06/2023] [Indexed: 08/31/2023] Open
Abstract
IMPORTANCE This work has broad relevance due to the ubiquity of dyes containing azo bonds in food and drugs. We report that azo dyes can be degraded by human gut bacteria through both enzymatic and nonenzymatic mechanisms, even from a single gut bacterial species. Furthermore, we revealed that environmental factors, oxygen, and L-Cysteine control the ability of E. coli to degrade azo dyes due to their impacts on bacterial transcription and metabolism. These results open up new opportunities to manipulate the azoreductase activity of the gut microbiome through the manipulation of host diet, suggest that azoreductase potential may be altered in patients suffering from gastrointestinal disease, and highlight the importance of studying bacterial enzymes for drug metabolism in their natural cellular and ecological context.
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Affiliation(s)
- Lindsey M. Pieper
- Department of Microbiology & Immunology, University of California, San Francisco, California, USA
| | - Peter Spanogiannopoulos
- Department of Microbiology & Immunology, University of California, San Francisco, California, USA
| | - Regan F. Volk
- Department of Microbiology & Immunology, University of California, San Francisco, California, USA
| | - Carson J. Miller
- Biological Sciences Group, Pacific Northwest National Laboratory, Richland, Washington, USA
| | - Aaron T. Wright
- Biological Sciences Group, Pacific Northwest National Laboratory, Richland, Washington, USA
- Department of Biology, Baylor University, Waco, Texas, USA
- Department of Chemistry and Biochemistry, Baylor University, Waco, Texas, USA
| | - Peter J. Turnbaugh
- Department of Microbiology & Immunology, University of California, San Francisco, California, USA
- Chan Zuckerberg Biohub-San Francisco, San Francisco, California, USA
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Zafar S, Bukhari DA, Rehman A. Azo dyes degradation by microorganisms - An efficient and sustainable approach. Saudi J Biol Sci 2022; 29:103437. [PMID: 36131780 PMCID: PMC9483650 DOI: 10.1016/j.sjbs.2022.103437] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/06/2022] [Accepted: 09/01/2022] [Indexed: 11/21/2022] Open
Abstract
Synthetic aromatic compounds consisting of various functional groups are known as dyes. These colored compounds are often discharged in effluents, and they are very dangerous to aquatic life. Basically, the dye industry started by using natural plant and insect sources, and then suddenly turned into artificial manufacturing. Natural equilibrium of our environment gets changed by the reduction in photosynthetic activity due to the dyes. In China 900,000 tons of all kinds of dyes are usually produced, which are used in many industries like food, textile, food, paper and leather. Untreated wastewater contaminates aquatic bodies by causing eutrophication, change in water color, oxygen depletion which affect aquatic organisms to a great extent. Dye wastewater is now the key environmental pollution form. In recent eras an extensive study line has been developed to explore the dye decolorization and biodegradation under both aerobic as well as anaerobic conditions. In this review, the chemistry, toxicity and microbial biodegradation/decolorization are presented. Some recent studies along with the new techniques and methodologies of remediating the dye pollution are also discussed to provide the bases of their handling. Overall, efficient and high biodegradation potential make microbes an impending foundation for green chemistry to eradicate toxic dyes from industrial wastewater.
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Affiliation(s)
- Sadia Zafar
- National Centre of Excellence in Molecular Biology, University of the Punjab, Lahore 54590, Pakistan
| | - Dilara A. Bukhari
- Department of Zoology, Government College University, Lahore, Pakistan
| | - Abdul Rehman
- Institute of Microbiology and Molecular Genetics, University of the Punjab, New Campus, Lahore 54590, Pakistan
- Corresponding author at: Department of Microbiology & Molecular Genetics, University of the Punjab, New Campus, Lahore 54590, Pakistan.
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Dai H, Forbes A, Guo X, He L. Prediction of Anthocyanin Color Stability against Iron Co-Pigmentation by Surface-Enhanced Raman Spectroscopy. Foods 2022; 11:foods11213436. [PMID: 36360049 PMCID: PMC9658423 DOI: 10.3390/foods11213436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/24/2022] [Accepted: 10/26/2022] [Indexed: 12/03/2022] Open
Abstract
The color change resulting from anthocyanin and iron co-pigmentation has been a significant challenge for the food industry in the development of many iron-fortified foods. This present study aims to establish a quantitative model to predict the degree of color stability in the presence of dissolved iron using surface-enhanced Raman spectroscopic (SERS) spectra. The SERS spectra of anthocyanin extracts from seven different plant sources were measured and analyzed by principal component analysis (PCA). Discrimination among different sources of anthocyanin was observed in the PCA plot. Different stability indexes, obtained by measuring both the color intensity stability and color hue stability of each sample, were established based on UV–vis analysis of anthocyanin at pH 3 and 6 with and without ferric sulfate. Partial least square (PLS) regression models were applied to establish the correlation between SERS spectra and stability indexes. The best PLS model was built based on the stability index calculated from the bathochromic shift (UV–vis spectral range: 380–750 nm) in pH3 buffer and the SERS spectra, achieving a root mean square error of prediction (RMSEP) of 2.16 nm and a correlation coefficient value (R2) of 0.98. In conclusion, the present study developed a feasible approach to predict the stability of anthocyanin colorants against iron co-pigmentation. The developed method and models can be used for fast screenings of raw ingredients in iron-fortified food products.
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Affiliation(s)
- Haochen Dai
- Department of Food Science, University of Massachusetts Amherst, Amherst, MA 01003, USA
| | - Adam Forbes
- Department of Food Science, University of Massachusetts Amherst, Amherst, MA 01003, USA
| | - Xin Guo
- Department of Food Science, University of Massachusetts Amherst, Amherst, MA 01003, USA
| | - Lili He
- Department of Food Science, University of Massachusetts Amherst, Amherst, MA 01003, USA
- Department of Chemistry, University of Massachusetts Amherst, Amherst, MA 01003, USA
- Correspondence: ; Tel.: +1-(413)-545-5847
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Macías-Quiroga IF, Pérez-Flórez A, Arcila JS, Giraldo-Goméz GI, Sanabria-Gonzalez NR. Synthesis and Characterization of Co/Al-PILCs for the Oxidation of an Azo Dye Using the Bicarbonate-Activated Hydrogen Peroxide System. Catal Letters 2022. [DOI: 10.1007/s10562-021-03788-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Microbial Degradation of Azo Dyes: Approaches and Prospects for a Hazard-Free Conversion by Microorganisms. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19084740. [PMID: 35457607 PMCID: PMC9026373 DOI: 10.3390/ijerph19084740] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/08/2022] [Accepted: 04/11/2022] [Indexed: 11/16/2022]
Abstract
Azo dyes have become a staple in various industries, as colors play an important role in consumer choices. However, these dyes pose various health and environmental risks. Although different wastewater treatments are available, the search for more eco-friendly options persists. Bioremediation utilizing microorganisms has been of great interest to researchers and industries, as the transition toward greener solutions has become more in demand through the years. This review tackles the health and environmental repercussions of azo dyes and its metabolites, available biological approaches to eliminate such dyes from the environment with a focus on the use of different microorganisms, enzymes that are involved in the degradation of azo dyes, and recent trends that could be applied for the treatment of azo dyes.
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Al-Tohamy R, Ali SS, Li F, Okasha KM, Mahmoud YAG, Elsamahy T, Jiao H, Fu Y, Sun J. A critical review on the treatment of dye-containing wastewater: Ecotoxicological and health concerns of textile dyes and possible remediation approaches for environmental safety. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 231:113160. [PMID: 35026583 DOI: 10.1016/j.ecoenv.2021.113160] [Citation(s) in RCA: 351] [Impact Index Per Article: 175.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 12/30/2021] [Accepted: 12/31/2021] [Indexed: 05/21/2023]
Abstract
The synthetic dyes used in the textile industry pollute a large amount of water. Textile dyes do not bind tightly to the fabric and are discharged as effluent into the aquatic environment. As a result, the continuous discharge of wastewater from a large number of textile industries without prior treatment has significant negative consequences on the environment and human health. Textile dyes contaminate aquatic habitats and have the potential to be toxic to aquatic organisms, which may enter the food chain. This review will discuss the effects of textile dyes on water bodies, aquatic flora, and human health. Textile dyes degrade the esthetic quality of bodies of water by increasing biochemical and chemical oxygen demand, impairing photosynthesis, inhibiting plant growth, entering the food chain, providing recalcitrance and bioaccumulation, and potentially promoting toxicity, mutagenicity, and carcinogenicity. Therefore, dye-containing wastewater should be effectively treated using eco-friendly technologies to avoid negative effects on the environment, human health, and natural water resources. This review compares the most recent technologies which are commonly used to remove dye from textile wastewater, with a focus on the advantages and drawbacks of these various approaches. This review is expected to spark great interest among the research community who wish to combat the widespread risk of toxic organic pollutants generated by the textile industries.
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Affiliation(s)
- Rania Al-Tohamy
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Sameh S Ali
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China; Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt.
| | - Fanghua Li
- State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, Heilongjiang Province 150090, China
| | - Kamal M Okasha
- Internal Medicine and Nephrology Department, Faculty of Medicine, Tanta University, Tanta 31527, Egypt
| | - Yehia A-G Mahmoud
- Botany Department, Faculty of Science, Tanta University, Tanta 31527, Egypt
| | - Tamer Elsamahy
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Haixin Jiao
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yinyi Fu
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China; School of the Environment and Agrifood, Cranfield University, MK43 0AL, UK
| | - Jianzhong Sun
- Biofuels Institute, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China.
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Remediation of Cd (II) Ion from an Aqueous Solution by a Starch-Based Activated Carbon: Experimental and Density Functional Theory (DFT) Approach. CRYSTALS 2022. [DOI: 10.3390/cryst12020189] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Heavy metal ion pollution is a serious threat for aquatic and terrestrial living beings. Adsorption is a facile process to encounter heavy metal pollution. Various types of adsorbents have been developed and used for environmental remediation. Activated carbon is one of the cheapest adsorbents derived from various biomass. In this work, the adsorption of cadmium ions (Cd (II)) with starch-based activated carbon (AC) having a specific surface area of 1600 m2g−1 was investigated in a series of batch laboratory studies. The effective operating parameters, such as initial pH (pH0), initial concentration of metal ions, contact time, and temperature on the adsorption, were investigated. Validation of the kinetic study shows that the adsorption process is better predicted by the pseudo-second-order model. The extended Freundlich and Langmuir isotherms were applied to the study. The results show that the metal ion adsorption capacities of activated carbon increased with increasing pH, and it was found that maximum adsorption (284 mg g−1) of Cd (II) was achieved at pH solution of 5.5–6. The thermodynamic parameters, such as ∆G, ∆H, and ∆S, were found to be −17.42 kJ mol−1, 8.49 kJ mol−1, and 58.66 J mol−1 K−1, respectively, revealing that the adsorption mechanism is endothermic, spontaneous, and feasible. Furthermore, the density functional theory simulations demonstrated that the activated carbon strongly interacted with toxicity and mobility, so it is very urgent to remove this species from industrial wastewater before it is discharged into the environment. The adsorption energy calculated for all interactive sites was negative (−43.41 kJ mol−1 to −967.74 kJ mol−1), showing effective interaction between the adsorbate and adsorbent. The PDOS clearly shows that there is a stronger overlapping at the Femi level between the d orbital of the Cd ion and the p orbital of the O atom, showing a strong interaction and confirming the chemical bond formation between the Cd (II) ion and O atom.
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Roy D, Poddar N, Singh M, Neogi S, De S. Photocatalytic degradation of Rhodamine-B by visible light assisted peroxymonosulfate activation using Z-scheme MIL-100(Fe)/Bi2S3 composite: a combined experimental and theoretical approach. NEW J CHEM 2022. [DOI: 10.1039/d2nj00497f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The photocatalytic efficiency of binary MIL-100(Fe)/Bi2S3 (MIL-BS) composite was utilized towards visible light assisted peroxymonosulfate (PMS) activation and degradation of Rhodamine-B (RhB) dye. The binary catalyst, with 10wt% Bi2S3 (MIL-BS(10)),...
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Rizk HF, El-Borai MA, Ragab A, Ibrahim SA, Sadek ME. A Novel of Azo-Thiazole Moiety Alternative for Benzidine-Based Pigments: Design, Synthesis, Characterization, Biological Evaluation, and Molecular Docking Study. Polycycl Aromat Compd 2021. [DOI: 10.1080/10406638.2021.2015402] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Hala F. Rizk
- Department of Chemistry, Faculty of Science, Tanta University, Tanta, Egypt
| | | | - Ahmed Ragab
- Department of Chemistry, Faculty of Science (Boys), Al-Azhar University, Cairo, Egypt
| | - Seham A. Ibrahim
- Department of Chemistry, Faculty of Science, Tanta University, Tanta, Egypt
| | - Mohamed E. Sadek
- Department of Chemistry, Faculty of Science, Tanta University, Tanta, Egypt
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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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Hayase N, Kondou M, Higashiyama A, Kita A, Yano J, Nakagawa K. Enhanced degradation of 4-aminobenzenesulfonate by a co-culture of Afipia sp. 624S and Diaphorobacter sp. 624L. J Biosci Bioeng 2021; 132:287-292. [PMID: 34134931 DOI: 10.1016/j.jbiosc.2021.05.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Revised: 05/20/2021] [Accepted: 05/21/2021] [Indexed: 11/30/2022]
Abstract
Two strains, Afipia sp. 624S and Diaphorobacter sp. 624L, were isolated from an enrichment culture with 4-aminobenzenesulfonate (4-ABS) as the only carbon source. Strain 624S utilized 4-ABS as the only source of carbon and energy and degraded 3.8 mM 4-ABS in 2 weeks, releasing a small amount of sulfate ions. On the other hand, strain 624L did not utilize 4-ABS. Additionally, a co-culture of strains 624S and 624L resulted in the enhanced degradation of 4-ABS, and no sulfite was accumulated in the degradation of 4-ABS. When incubated in 50 mM Tris-HCl buffer (pH 8.0) containing 2.2 mM sodium sulfite, strain 624S exhibited no sulfite oxidation; however, strain 624L completely oxidized the sulfite after 2 days. Furthermore, when manganase, which has the ability to oxidize sulfite, was added to the medium, the degradation rate of 4-ABS was increased in comparison with the non-addition control. These results indicate that the sulfite oxidation might stimulate the degradation of 4-ABS by strain 624S, suggesting syntrophic interaction between strains 624S and 624L based on sulfite oxidation.
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Affiliation(s)
- Nobuki Hayase
- Department of Applied Chemistry and Biotechnology, National Institute of Technology (KOSEN), Niihama College, Yagumo-cho, Niihama, Ehime 792-8580, Japan.
| | - Misaki Kondou
- Department of Applied Chemistry and Biotechnology, National Institute of Technology (KOSEN), Niihama College, Yagumo-cho, Niihama, Ehime 792-8580, Japan
| | - Akihiro Higashiyama
- Department of Applied Chemistry and Biotechnology, National Institute of Technology (KOSEN), Niihama College, Yagumo-cho, Niihama, Ehime 792-8580, Japan
| | - Akihisa Kita
- Department of Applied Chemistry and Biotechnology, National Institute of Technology (KOSEN), Niihama College, Yagumo-cho, Niihama, Ehime 792-8580, Japan
| | - Jun Yano
- Department of Fundamental Science, National Institute of Technology (KOSEN), Niihama College, Yagumo-cho, Niihama, Ehime 792-8580, Japan
| | - Katsuhiko Nakagawa
- Department of Applied Chemistry and Biotechnology, National Institute of Technology (KOSEN), Niihama College, Yagumo-cho, Niihama, Ehime 792-8580, Japan
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Singh A, Sheikh J. Development of multifunctional polyester using disperse dyes based through a combination of mosquito repellents. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.129988] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Catalytic Oxidation of Tartrazine in Aqueous Solution Using a Pillared Clay with Aluminum and Iron. BULLETIN OF CHEMICAL REACTION ENGINEERING & CATALYSIS 2021. [DOI: 10.9767/bcrec.16.1.9978.76-87] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
In this work, pillared bentonite with Al−Fe (Al−Fe−PILC) was synthesized and used as a heterogeneous Fenton-like catalyst in the oxidation of tartrazine azo-dye in an aqueous solution. The modification of bentonite with the Al-Fe mixed system in a concentrated medium, with ultrasound assisted intercalation was carried out, and the obtained catalyst was characterized by XRF, XRD, and N2 adsorption at 77 K. The oxidation of tartrazine with Al−Fe−PILC, using different amounts of H2O2, expressed as a multiple (1, 3, 6, and 9) of a stoichiometry amount required to completely oxidize the dye was evaluated. The reaction of catalytic wet peroxide oxidation (CWPO) of the dye with 400 mg of Al−Fe−PILC and 6 times the stoichiometric amount of H2O2 at 25 °C, reached 98.2±1.8% of decolorization, 51.9±1.9% of TOC removal and 71.5±1.8% of TN removal. Results of this study show that the oxidation of tartrazine increased with the amount of H2O2 up to a certain limit. This oxidation process can be considered as an alternative for treating wastewater containing azo-dye because the reaction takes place under mild experimental conditions (room temperature and atmospheric pressure). Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
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Akter M, Bhattacharjee M, Dhar AK, Rahman FBA, Haque S, Rashid TU, Kabir SMF. Cellulose-Based Hydrogels for Wastewater Treatment: A Concise Review. Gels 2021; 7:30. [PMID: 33803815 PMCID: PMC8005947 DOI: 10.3390/gels7010030] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 03/03/2021] [Accepted: 03/16/2021] [Indexed: 01/11/2023] Open
Abstract
Finding affordable and environment-friendly options to decontaminate wastewater generated with heavy metals and dyes to prevent the depletion of accessible freshwater resources is one of the indispensable challenges of the 21st century. Adsorption is yet to be the most effective and low-cost wastewater treatment method used for the removal of pollutants from wastewater, while naturally derived adsorbent materials have garnered tremendous attention. One promising example of such adsorbents is hydrogels (HGs), which constitute a three-dimensional polymeric network of hydrophilic groups that is highly capable of adsorbing a large quantity of metal ions and dyes from wastewater. Although HGs can also be prepared from synthetic polymers, natural polymers have improved environmental benignity. Recently, cellulose-based hydrogels (CBHs) have been extensively studied owing to their high abundance, biodegradability, non-toxicity, and excellent adsorption capacity. This review emphasizes different CBH adsorbents in the context of dyes and heavy metals removal from wastewater following diverse synthesis techniques and adsorption mechanisms. This study also summarizes various process parameters necessary to optimize adsorption capacity followed by future research directions.
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Affiliation(s)
- Maimuna Akter
- Department of Environmental Management, Independent University Bangladesh, Dhaka 1229, Bangladesh; (M.A.); (F.B.A.R.)
| | - Maitry Bhattacharjee
- Department of Textile Engineering, Shyamoli Textile Engineering College, University of Dhaka, Dhaka 1207, Bangladesh; (M.B.); (A.K.D.)
| | - Avik Kumar Dhar
- Department of Textile Engineering, Shyamoli Textile Engineering College, University of Dhaka, Dhaka 1207, Bangladesh; (M.B.); (A.K.D.)
| | - Fahim Bin Abdur Rahman
- Department of Environmental Management, Independent University Bangladesh, Dhaka 1229, Bangladesh; (M.A.); (F.B.A.R.)
- Department of Chemical Engineering, University of South Carolina, Columbia, SC 29208, USA
| | - Siddika Haque
- Faculty of Textile Engineering, BGMEA University of Fashion and Technology, Dhaka 1230, Bangladesh;
| | - Taslim Ur Rashid
- Wislon College of Textiles, North Carolina State University, Raleigh, NC 27606, USA;
| | - S M Fijul Kabir
- Wislon College of Textiles, North Carolina State University, Raleigh, NC 27606, USA;
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Jan SU, Ahmad A, Khan AA, Melhi S, Ahmad I, Sun G, Chen CM, Ahmad R. Removal of azo dye from aqueous solution by a low-cost activated carbon prepared from coal: adsorption kinetics, isotherms study, and DFT simulation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:10234-10247. [PMID: 33170468 DOI: 10.1007/s11356-020-11344-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Accepted: 10/20/2020] [Indexed: 06/11/2023]
Abstract
The high-risk organic pollutants produced by industries are of growing concern. The highly porous coal-based activated carbon (AC) having a specific surface area of 3452.8 m2/g is used for the adsorption of azo dye from synthetic solution. The sorbent is characterized through BET, SEM, TEM, XRD, FT-IR, TGA, and zeta potential. The sorbent exhibits - 18.7 mV surface charge, which is high enough for making suspension. The maximum dye uptake of 333 mg/g is observed in sorbent under acidic medium. The thermodynamics parameters like ∆G, ∆H, and ΔS were found to be - 12.40 kJ mol-1, 39.66 kJ mol-1, and 174.55 J mol-1 K-1 at 293 K, respectively, revealing that the adsorption mechanism is spontaneous, endothermic, and feasible. The experimental data follows the Langmuir and D-R models. The adsorption follows pseudo 2nd-order kinetics. DFT investigation shows that the dye sorption onto AC in configuration No. 4 (CFG-4) is more effective, as this configuration has high ∆H (enthalpy change) and adsorption energy (Eads). This is confirmed by Mullikan atomic charge transfer phenomenon.
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Affiliation(s)
- Saeed Ullah Jan
- Department of Chemistry, University of Malakand, Chakdara, Dir(L), 18800, Pakistan
| | - Aziz Ahmad
- CAS Key Laboratory of Carbon Materials, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, 030001, Shanxi Province, People's Republic of China
| | - Adnan Ali Khan
- Department of Chemistry, University of Malakand, Chakdara, Dir(L), 18800, Pakistan
- Centre for Computational Materials Science, University of Malakand, Chakdara, Dir(L), 18800, Pakistan
| | - Saad Melhi
- Department of Chemistry, College of Science, University of Bisha, Bisha, 61922, Saudi Arabia
| | - Iftikhar Ahmad
- Centre for Computational Materials Science, University of Malakand, Chakdara, Dir(L), 18800, Pakistan
- Department of Physics, Gomal University, Dera Ismail Khan, Pakistan
| | - Guohua Sun
- CAS Key Laboratory of Carbon Materials, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, 030001, Shanxi Province, People's Republic of China.
| | - Cheng-Meng Chen
- CAS Key Laboratory of Carbon Materials, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, 030001, Shanxi Province, People's Republic of China.
| | - Rashid Ahmad
- Department of Chemistry, University of Malakand, Chakdara, Dir(L), 18800, Pakistan.
- Centre for Computational Materials Science, University of Malakand, Chakdara, Dir(L), 18800, Pakistan.
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Jaiswal SK, Agarwal SM, Thodum P, Sharma VK. SkinBug: an artificial intelligence approach to predict human skin microbiome-mediated metabolism of biotics and xenobiotics. iScience 2021; 24:101925. [PMID: 33385118 PMCID: PMC7772573 DOI: 10.1016/j.isci.2020.101925] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 11/08/2020] [Accepted: 12/07/2020] [Indexed: 11/25/2022] Open
Abstract
In addition to being pivotal for the host health, the skin microbiome possesses a large reservoir of metabolic enzymes, which can metabolize molecules (cosmetics, medicines, pollutants, etc.) that form a major part of the skin exposome. Therefore, to predict the complete metabolism of any molecule by skin microbiome, a curated database of metabolic enzymes (1,094,153), reactions, and substrates from ∼900 bacterial species from 19 different skin sites were used to develop “SkinBug.” It integrates machine learning, neural networks, and chemoinformatics methods, and displays a multiclass multilabel accuracy of up to 82.4% and binary accuracy of up to 90.0%. SkinBug predicts all possible metabolic reactions and associated enzymes, reaction centers, skin microbiome species harboring the enzyme, and the respective skin sites. Thus, SkinBug will be an indispensable tool to predict xenobiotic/biotic metabolism by skin microbiome and will find applications in exposome and microbiome studies, dermatology, and skin cancer research. SkinBug is AI/ML-based tool to predict metabolism of molecules by Skin microbiome Database of 1,094,153 metabolic enzymes from 897 pangenomes of skin microbiome Predicts enzymes, bacterial species, and skin sites for the predicted reactions 82.4% multilabel and 90.0% binary accuracy, and validated on 28 diverse real cases
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Affiliation(s)
- Shubham K Jaiswal
- MetaBioSys Group, Department of Biological Sciences, Indian Institute of Science Education and Research, Bhopal, Madhya Pradesh 462066, India
| | - Shitij Manojkumar Agarwal
- MetaBioSys Group, Department of Biological Sciences, Indian Institute of Science Education and Research, Bhopal, Madhya Pradesh 462066, India
| | - Parikshit Thodum
- MetaBioSys Group, Department of Biological Sciences, Indian Institute of Science Education and Research, Bhopal, Madhya Pradesh 462066, India
| | - Vineet K Sharma
- MetaBioSys Group, Department of Biological Sciences, Indian Institute of Science Education and Research, Bhopal, Madhya Pradesh 462066, India
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Optical studies of Pr(PAN)3, Gd(PAN)3 and Gd0.99Ln0.01(PAN)3 complexes where PAN = 1-(2-pyridylazo)-2-naphthol and Ln = Eu, Sm, Tb, Nd, Yb. Polyhedron 2020. [DOI: 10.1016/j.poly.2020.114558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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20
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Ganguly D, Chandra Santra R, Mazumdar S, Saha A, Karmakar P, Das S. Radioprotection of thymine and calf thymus DNA by an azo compound: mechanism of action followed by DPPH radical quenching & ROS depletion in WI 38 lung fibroblast cells. Heliyon 2020; 6:e04036. [PMID: 32490245 PMCID: PMC7262411 DOI: 10.1016/j.heliyon.2020.e04036] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 04/26/2020] [Accepted: 05/18/2020] [Indexed: 11/19/2022] Open
Abstract
Purpose To explain the observed radio-protection properties of an azo compound, 2-(2-hydroxyphenylazo)-indole-3∕-acetic acid (HPIA). Materials and methods Mechanism of radioprotection by HPIA was attempted using the stable free radical 2, 2-diphenyl-1-picrylhydrazyl (DPPH) using UV-Vis and electron paramagnetic resonance (EPR) spectroscopy. The radical destroying ability of HPIA was studied by depletion of reactive oxygen species (ROS) in WI 38 lung fibroblast cells. Results & Discussion Studies indicate HPIA interacts with radical intermediates formed in solution following irradiation by 60Co γ-rays. As a result, reactive radical intermediates do not cause any damage on chosen substrates like thymine or calf thymus DNA when irradiated in presence of HPIA. The study showed that reactive intermediates not only react with HPIA but that the kinetics of their reaction is definitely faster than their interaction either with thymine or with DNA. Had this not been the case, much more damage would have been observed on chosen substrates following irradiation with 60Co γ-rays, in the presence of HPIA than actually observed in experiments, particularly those that were performed in a relatively high dose. Experiments reveal radiation induced-damage caused to thymine in presence of HPIA was ~ 136 to ~ 132times that caused in its absence under different conditions indicating the radio-protection properties of HPIA. In case of calf thymus DNA, damage in presence of HPIA was much lower than in its absence. A fluorometric microplate assay for depletion of ROS by detecting the oxidation of 2′,7′-dichlorofluorescin-diacetate (DCF-DA) into the highly fluorescent compound 2′,7′ dichlorofluorescein (DCF) indicated HPIA brought about a considerable check on ROS-mediated damage to cells by scavenging them right away. Conclusion The study indicates HPIA may be an antioxidant supplement during radiotherapy.
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Affiliation(s)
- Durba Ganguly
- Department of Chemistry (Inorganic Section), Jadavpur University, Kolkata 700032, India
| | - Ramesh Chandra Santra
- Department of Chemistry (Inorganic Section), Jadavpur University, Kolkata 700032, India
| | - Swagata Mazumdar
- Department of Life Science and Biotechnology, Jadavpur University, Kolkata 700032, India
| | - Abhijit Saha
- UGC-DAE CSR, Kolkata Centre, Sector III, LB- 8, Bidhan Nagar, Kolkata 700 098, India
| | - Parimal Karmakar
- Department of Life Science and Biotechnology, Jadavpur University, Kolkata 700032, India
| | - Saurabh Das
- Department of Chemistry (Inorganic Section), Jadavpur University, Kolkata 700032, India
- Corresponding author.
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Hierarchical flower-like SrHPO4 electrodes for the photoelectrochemical degradation of Rhodamine B. J APPL ELECTROCHEM 2020. [DOI: 10.1007/s10800-020-01416-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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22
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Iammarino M, Mentana A, Centonze D, Palermo C, Mangiacotti M, Chiaravalle AE. Dye use in fresh meat preparations and meat products: a survey by a validated method based on
HPLC
‐
UV
‐diode array detection as a contribution to risk assessment. Int J Food Sci Technol 2020. [DOI: 10.1111/ijfs.14275] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Marco Iammarino
- Zooprophylactic Institute of Puglia and Basilicata Via Manfredonia 20 Foggia71121Italy
| | - Annalisa Mentana
- Department of the Sciences of Agriculture, Food and Environment University of Foggia Via Napoli, 25 Foggia71122Italy
| | - Diego Centonze
- Department of the Sciences of Agriculture, Food and Environment University of Foggia Via Napoli, 25 Foggia71122Italy
| | - Carmen Palermo
- Department of the Sciences of Agriculture, Food and Environment University of Foggia Via Napoli, 25 Foggia71122Italy
| | - Michele Mangiacotti
- Zooprophylactic Institute of Puglia and Basilicata Via Manfredonia 20 Foggia71121Italy
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Manzoor J, Sharma M. Impact of Textile Dyes on Human Health and Environment. IMPACT OF TEXTILE DYES ON PUBLIC HEALTH AND THE ENVIRONMENT 2020. [DOI: 10.4018/978-1-7998-0311-9.ch008] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
The textile industry is one of the important industries that generates a large amount of industrial effluents. Color is the main attraction of any fabric. Manufacture and use of synthetic dyes for fabric dyeing has therefore become a massive industry. Synthetic dyes have provided a wide range of colorfast, bright hues. However, their toxic nature has become a cause of grave concern to environmentalists. Use of synthetic dyes has an adverse effect on all forms of life. Presence of sulphur, naphthol, vat dyes, nitrates, acetic acid, soaps, enzymes chromium compounds, and heavy metals like copper, arsenic, lead, cadmium, mercury, nickel, and cobalt and certain auxiliary chemicals all collectively make the textile effluent highly toxic. These organic materials react with many disinfectants, especially chlorine, and form byproducts (DBPs) that are often carcinogenic and therefore undesirable. This effluent, if allowed to flow in the fields, clogs the pores of the soil resulting in loss of soil productivity. This chapter gives an overview on the health and environmental impact of dyes.
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Pandey K, Saha P, Rao KVB. A study on the utility of immobilized cells of indigenous bacteria for biodegradation of reactive azo dyes. Prep Biochem Biotechnol 2019; 50:317-329. [PMID: 31755822 DOI: 10.1080/10826068.2019.1692219] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Azo dyes are recalcitrant compounds used as a colorant in various industries. The pollution caused by their extensive usage has adversely affected the environment for years. The existing physicochemical methods for dye pollution remediation are rather inefficient and hence there is a dearth of low-cost, potential systems capable of dye degradation. The current research studies the biodegradation potential of immobilized bacterial cells against azo dyes Reactive Orange 16 (RO-16) and Reactive Blue 250 (RB-250). Two indigenous dye degrading bacteria Bacillus sp. VITAKB20 and Lysinibacillus sp. KPB6 was isolated from textile sludge sample. Free cells of Bacillus. sp. VITAKB20 degraded 92.38% of RO-16 and that of Lysinibacillus sp. KPB6 degraded 95.36% of RB-250 within 72 h under static conditions. Upon immobilization with calcium alginate, dye degradation occurred rapidly. Bacillus. sp. VITAKB20 degraded 97.5% of RO-16 and Lysinibacillus sp. KPB6 degraded 98.2% of RB-250 within 48 h under shaking conditions. Further, the nature of dye decolorization was biodegradation as evident by high-performance liquid chromatography (HPLC), and Fourier-transform infrared spectroscopy (FTIR) results. Phytotoxicity and biotoxicity assays revealed that the degraded dye products were less toxic in nature than the pure dyes. Thus, immobilization proved to be a highly likely alternative treatment for dye removal.
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Affiliation(s)
- Koushik Pandey
- Department of Biomedical Sciences, School of Biosciences and Technology, Vellore Institute of Technology, Vellore, India
| | - Purbasha Saha
- Department of Biomedical Sciences, School of Biosciences and Technology, Vellore Institute of Technology, Vellore, India
| | - K V Bhaskara Rao
- Department of Biomedical Sciences, School of Biosciences and Technology, Vellore Institute of Technology, Vellore, India
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Tartrazine Removal from Aqueous Solution by HDTMA-Br-Modified Colombian Bentonite. ScientificWorldJournal 2019; 2019:2042563. [PMID: 31611736 PMCID: PMC6755291 DOI: 10.1155/2019/2042563] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 07/16/2019] [Accepted: 07/22/2019] [Indexed: 11/18/2022] Open
Abstract
The effect of pH, ionic strength (NaCl added), agitation speed, adsorbent mass, and contact time on the removal of tartrazine from an aqueous solution, using an organobentonite, has been studied. A complete factorial design 32 with two replicates was used to evaluate the influence of the dye concentration (30, 40, and 50 mg/L) and amount of adsorbent (25, 35, and 45 mg) on decolorization of the solution. Experimental data were evaluated with Design Expert® software using a response surface methodology (RSM) in order to obtain the interaction between the processed variables and the response. pH values between 2 and 9, stirring speed above 200 rpm, and contact time of 60 min did not have a significant effect on decolorization. The optimum conditions for maximum removal of tartrazine from an aqueous solution of 30 mg/L were follows: pH = 6.0, NaCl concentration = 0.1 M, stirring speed = 230 rpm, temperature = 20°C, contact time = 60 min, and the organobentonite amount = 38.04 mg. The equilibrium isotherm at 20°C was analyzed by means of the Langmuir and Freundlich models, and the maximum adsorption capacity obtained was 40.79 ± 0.71 mg/g. This adsorption process was applied in a sample of industrial wastewater containing tartrazine and sunset yellow, having obtained a decolorization rate higher than 98% for both dyes. These results suggest that organobentonite is an effective adsorbent for the removal of anionic dyes from an aqueous solution.
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Iammarino M, Mentana A, Centonze D, Palermo C, Mangiacotti M, Chiaravalle AE. Simultaneous determination of twelve dyes in meat products: Development and validation of an analytical method based on HPLC-UV-diode array detection. Food Chem 2019; 285:1-9. [DOI: 10.1016/j.foodchem.2019.01.133] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Revised: 01/18/2019] [Accepted: 01/20/2019] [Indexed: 02/04/2023]
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Hamedani YP, Hekmati M. Green biosynthesis of silver nanoparticles decorated on multi-walled carbon nanotubes using the extract of Pistacia atlantica leaves as a recyclable heterogeneous nanocatalyst for degradation of organic dyes in water. Polyhedron 2019. [DOI: 10.1016/j.poly.2019.02.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Brash BM, Gemensky-Metzler AJ, Wilkie DA, Miller EJ, Chandler HL. Determination of trypan blue efficacy in the mitigation of ex vivo canine PCO formation. Vet Ophthalmol 2019; 22:902-909. [PMID: 30942514 DOI: 10.1111/vop.12669] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 03/11/2019] [Accepted: 03/16/2019] [Indexed: 12/26/2022]
Abstract
PURPOSE To determine whether trypan blue (TB) reduces canine lens epithelial cell (LEC) or corneal endothelial cell (CEC) viability in vitro; if cell death is noted, to subsequently evaluate the molecular mechanism. METHODS Cellular viability was determined using a lactate dehydrogenase (LDH) assay. In TB-treated LECs, caspase 3/7 activity was assessed to evaluate apoptosis; autophagy was evaluated using immunoblotting against LC3 and p62. To evaluate the effects of TB on ex vivo posterior capsule opacification (PCO), following mock cataract surgery, lens capsules were treated with TB and subsequently maintained in culture to determine LEC migration and proliferation. RESULTS Following acute exposure, TB did not significantly reduce LEC or CEC viability at any of the concentrations tested. Increased caspase 3/7 activity was found in LEC cultures treated with TB for an extended period of time; no change in LC3 or p62 expression was noted. Ex vivo PCO formation was not significantly altered by TB treatment. CONCLUSIONS Acute exposure to TB did not reduce LEC or CEC viability, and only longer exposure to TB was able to initiate apoptosis. Treatment with intraocular TB at the time of cataract surgery is likely safe to the CECs but will not prevent PCO formation.
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Affiliation(s)
- Breanna M Brash
- College of Veterinary Medicine, The Ohio State University, Columbus, Ohio
| | | | - David A Wilkie
- College of Veterinary Medicine, The Ohio State University, Columbus, Ohio
| | - Eric J Miller
- College of Veterinary Medicine, The Ohio State University, Columbus, Ohio
| | - Heather L Chandler
- College of Veterinary Medicine, The Ohio State University, Columbus, Ohio.,College of Optometry, The Ohio State University, Columbus, Ohio
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Singh S, Hitkari G, Pandey G. Effect of annealing temperature on structural, optical and photocatalytic properties of α-Fe2O3 nanostructures. INORG NANO-MET CHEM 2019. [DOI: 10.1080/24701556.2019.1571511] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Sandhya Singh
- Department of Applied Chemistry, Babasaheb Bhimrao Ambedkar University, Lucknow, UP, India
| | - Gaurav Hitkari
- Department of Applied Chemistry, Babasaheb Bhimrao Ambedkar University, Lucknow, UP, India
| | - Gajanan Pandey
- Department of Applied Chemistry, Babasaheb Bhimrao Ambedkar University, Lucknow, UP, India
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Ray J, Jana S, Mondal B, Tripathy T. Enhanced and rapid adsorptive removal of toxic organic dyes from aqueous solution using a nanocomposite of saponified polymethyl acrylate grafted dextrin with embedded nanosilica. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2018.11.126] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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31
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Carvalho da Cruz Brambilla CM, Hilario Garcia AL, Rabaioli da Silva F, Taffarel SR, Grivicich I, Picada JN, Scotti A, Dalberto D, Mišík M, Knasmüller S, da Silva J. Amido Black 10B a widely used azo dye causes DNA damage in pro- and eukaryotic indicator cells. CHEMOSPHERE 2019; 217:430-436. [PMID: 30439655 DOI: 10.1016/j.chemosphere.2018.11.026] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 10/27/2018] [Accepted: 11/02/2018] [Indexed: 06/09/2023]
Abstract
Acid Black 10B (AB10B) is widely used for the production of textiles, leather and prints. It is a representative of azo dyes and it is well documented that some of these compounds are mutagenic per se, and that cleavage products (in particular aromatic amines) may cause damage of the genetic material and cancer. Since no toxicological data on AB10B have been published, we evaluated its mutagenic activity in Salmonella/microsome assays and studied its acute toxic and genotoxic properties in a human derived liver cell line (HepG2) which retained the activities of drug metabolizing enzymes. The compound did not cause cytotoxicity (MTT assay), but clear genotoxic effects were detected in pro- and eukaryotic indicator cells. Dose dependent induction of his+ revertants was seen in strain TA98 which detects frameshift mutations without metabolic activation; a more pronounced effect was seen in its derivative YG1024 which overexpresses N-acetyltransferase. Induction of single/double strand breaks by Comet assay was detected with concentrations > 0.125 mg/mL in liver derived cells; as well as increased rates for micronucleus (reflecting structural and numeric chromosomal aberrations) and nuclear buds which are a consequence of gene amplifications were seen with a higher dose (2.0 mg/mL) (p < 0.05; Tukey's test). The mutational pattern which was observed in the bacterial tests indicates that the cleavage product p-nitroaniline may cause the genotoxic effects of the dye. Our findings indicate that exposure of humans and the release of the compound into the environment may lead to adverse effects due to its DNA damaging activity.
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Affiliation(s)
- Crislaine Maria Carvalho da Cruz Brambilla
- Laboratory of Genetic Toxicology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, Prédio 22 (4º Andar) 92425-900, Canoas, RS, Brazil
| | - Ana Leticia Hilario Garcia
- Laboratory of Genetic Toxicology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, Prédio 22 (4º Andar) 92425-900, Canoas, RS, Brazil; Laboratory of Ecotoxicology, Posgraduate Progam in Enviromental Quality, University Feevale, ERS-239, 2755, 93525-075, Novo Hamburgo, RS, Brazil
| | | | | | - Ivana Grivicich
- Laboratory of Cancer Biology, PPGBioSaúde, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, Prédio 22 (5º Andar) 92425-900, Canoas, RS, Brazil
| | - Jaqueline Nascimento Picada
- Laboratory of Genetic Toxicology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, Prédio 22 (4º Andar) 92425-900, Canoas, RS, Brazil
| | - Amanda Scotti
- Laboratory of Genetic Toxicology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, Prédio 22 (4º Andar) 92425-900, Canoas, RS, Brazil
| | - Daiana Dalberto
- Laboratory of Genetic Toxicology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, Prédio 22 (4º Andar) 92425-900, Canoas, RS, Brazil
| | - Miroslav Mišík
- Institute of Cancer Research, Department of Internal Medicine I, Medical University of Vienna, Borschkegasse 8a, A-1090 Vienna, Austria
| | - Siegfried Knasmüller
- Institute of Cancer Research, Department of Internal Medicine I, Medical University of Vienna, Borschkegasse 8a, A-1090 Vienna, Austria
| | - Juliana da Silva
- Laboratory of Genetic Toxicology, PPGBioSaúde and PPGGTA, Lutheran University of Brazil (ULBRA), Av. Farroupilha 8001, Prédio 22 (4º Andar) 92425-900, Canoas, RS, Brazil.
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Berlina AN, Zherdev AV, Dzantiev BB. ELISA and Lateral Flow Immunoassay for the Detection of Food Colorants: State of the Art. Crit Rev Anal Chem 2019; 49:209-223. [DOI: 10.1080/10408347.2018.1503942] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Anna N. Berlina
- A. N. Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Moscow, Russia
| | - Anatoly V. Zherdev
- A. N. Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Moscow, Russia
| | - Boris B. Dzantiev
- A. N. Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Moscow, Russia
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Poornima Parvathi V, Parimaladevi R, Sathe V, Umadevi M. Application of G-SERS for the efficient detection of toxic dye contaminants in textile effluents using gold/graphene oxide substrates. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2018.10.027] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Babusca D, Morosanu AC, Benchea AC, Dimitriu DG, Dorohoi DO. Spectral and quantum mechanical study of some azo-derivatives. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.03.125] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Sierra-Rosales P, Berríos C, Miranda-Rojas S, Squella JA. Experimental and theoretical insights into the electrooxidation pathway of azo-colorants on glassy carbon electrode. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.09.090] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Franco JH, da Silva BF, Dias EFG, de Castro AA, Ramalho TC, Zanoni MVB. Influence of auxochrome group in disperse dyes bearing azo groups as chromophore center in the biotransformation and molecular docking prediction by reductase enzyme: Implications and assessment for environmental toxicity of xenobiotics. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 160:114-126. [PMID: 29793200 DOI: 10.1016/j.ecoenv.2018.04.066] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 04/25/2018] [Accepted: 04/27/2018] [Indexed: 06/08/2023]
Abstract
Synthetic azo dyes have increasingly become a matter of great concern as a result of the genotoxic and mutagenic potential of the products derived from azo dye biotransformation. This work evaluates the manner in which reducing enzymes produced by Escherichia coli (E. coli) act on three disperse dyes bearing azo groups, namely Disperse Red 73 (DR 73), Disperse Red 78 (DR 78), and Disperse Red 167 (DR 167). UV-Vis spectrophotometry, high-performance liquid chromatography with diode array detector (HPLC-DAD), and liquid chromatography mass spectrometry (LC-MS/MS) were applied towards the identification of the main products. Seven days of incubation of the azo dyes with the tested enzymes yielded a completely bleached solution. 3-4-Aminophenyl-ethyl-amino-propanitrile was detected following the biotransformation of both DR 73 and DR 78. 4-Nitroaniline and 2-chloro-4-nitroaniline were detected upon the biotransformation of DR 73 and DR 78, respectively. The main products derived from the biotransformation of DR 167 were dimethyl 3,3'-3-acetamido-4-aminophenyl-azanedyl-dipropanoate and 2-chloro-4-nitroaniline. The results imply that DR 73 lost the CN- substituent during the biotransformation. Furthermore, theoretical calculations were also carried out aiming at evaluating the interaction and reactivity of these compounds with DNA. Taken together, the results indicate that DR 73, DR 78, and DR 167 pose health risks and serious threats to both human beings and the environment at large as their biotransformation produces harmful compounds such as amines, which have been widely condemned by the International Agency for Research on Cancer.
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Affiliation(s)
- Jefferson Honorio Franco
- Institute of Chemistry, State University "Julio de Mesquita Filho"- UNESP, Araraquara, São Paulo, Brazil
| | - Bianca F da Silva
- Institute of Chemistry, State University "Julio de Mesquita Filho"- UNESP, Araraquara, São Paulo, Brazil
| | | | - Alexandre A de Castro
- Department of Chemistry, Federal University of Lavras - UFLA, Lavras, Minas Gerais, Brazil
| | - Teodorico C Ramalho
- Department of Chemistry, Federal University of Lavras - UFLA, Lavras, Minas Gerais, Brazil
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pH responsive adsorption/desorption studies of organic dyes from their aqueous solutions by katira gum-cl-poly(acrylic acid-co-N-vinyl imidazole) hydrogel. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2018.06.001] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Mushtaq F, Chen X, Hoop M, Torlakcik H, Pellicer E, Sort J, Gattinoni C, Nelson BJ, Pané S. Piezoelectrically Enhanced Photocatalysis with BiFeO 3 Nanostructures for Efficient Water Remediation. iScience 2018; 4:236-246. [PMID: 30240743 PMCID: PMC6146592 DOI: 10.1016/j.isci.2018.06.003] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Revised: 05/10/2018] [Accepted: 06/05/2018] [Indexed: 11/30/2022] Open
Abstract
Designing new catalysts that can efficiently utilize multiple energy sources can contribute to solving the current challenges of environmental remediation and increasing energy demands. In this work, we fabricated single-crystalline BiFeO3 (BFO) nanosheets and nanowires that can successfully harness visible light and mechanical vibrations and utilize them for degradation of organic pollutants. Under visible light both BFO nanostructures displayed a relatively slow reaction rate. However, under piezocatalysis both nanosheets and nanowires exhibited higher reaction rates in comparison with photocatalytic degradation. When both solar light and mechanical vibrations were used simultaneously, the reaction rates were elevated even further, with the BFO nanowires degrading 97% of RhB dye within 1 hr (k-value 0.058 min−1). The enhanced degradation under mechanical vibrations can be attributed to the promotion of charge separation caused by the internal piezoelectric field of BFO. BFO nanowires also exhibited good reusability and versatility toward degrading four different organic pollutants. Use of photocatalytic and ferroelectric BiFeO3 nanosheets and nanowires Harnessing solar energy and mechanical vibrations for organic pollutant removal Elevated performance under mechanical stress was attributed to the piezotronic effect Hydroxyl radicals and holes were dominant species for degradation of organics
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Affiliation(s)
- Fajer Mushtaq
- Multi-Scale Robotics Lab (MSRL), Institute of Robotics and Intelligent Systems (IRIS), ETH Zurich, CH-8092 Zurich, Switzerland.
| | - Xiangzhong Chen
- Multi-Scale Robotics Lab (MSRL), Institute of Robotics and Intelligent Systems (IRIS), ETH Zurich, CH-8092 Zurich, Switzerland.
| | - Marcus Hoop
- Multi-Scale Robotics Lab (MSRL), Institute of Robotics and Intelligent Systems (IRIS), ETH Zurich, CH-8092 Zurich, Switzerland
| | - Harun Torlakcik
- Multi-Scale Robotics Lab (MSRL), Institute of Robotics and Intelligent Systems (IRIS), ETH Zurich, CH-8092 Zurich, Switzerland
| | - Eva Pellicer
- Departament de Física, Facultat de Ciències, Universitat Autònoma de Barcelona, Campus UAB, E-08193 Bellaterra (Cerdanyola del Vallès), Spain
| | - Jordi Sort
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Passeig Lluís Companys 23, E-08010 Barcelona, Spain; Departament de Física, Universitat Autònoma de Barcelona, E-08193 Bellaterra (Cerdanyola del Vallès), Spain
| | | | - Bradley J Nelson
- Multi-Scale Robotics Lab (MSRL), Institute of Robotics and Intelligent Systems (IRIS), ETH Zurich, CH-8092 Zurich, Switzerland
| | - Salvador Pané
- Multi-Scale Robotics Lab (MSRL), Institute of Robotics and Intelligent Systems (IRIS), ETH Zurich, CH-8092 Zurich, Switzerland
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Hussein A, Scholz M. Treatment of artificial wastewater containing two azo textile dyes by vertical-flow constructed wetlands. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:6870-6889. [PMID: 29270896 PMCID: PMC5846842 DOI: 10.1007/s11356-017-0992-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Accepted: 12/10/2017] [Indexed: 05/29/2023]
Abstract
The release of untreated dye textile wastewater into receiving streams is unacceptable not only for aesthetic reasons and its negative impacts on aquatic life but also because numerous dyes are toxic and carcinogenic to humans. Strategies, as of now, used for treating textile wastewaters have technical and economical restrictions. The greater part of the physico-chemical methods, which are used to treat this kind of wastewater, are costly, produce large amounts of sludge and are wasteful concerning some soluble dyes. In contrast, biological treatments such as constructed wetlands are cheaper than the traditional methods, environmental friendly and do not produce large amounts of sludge. Synthetic wastewater containing Acid Blue 113 (AB113) and Basic Red 46 (BR46) has been added to laboratory-scale vertical-flow construction wetland systems, which have been planted with Phragmites australis (Cav.) Trin. ex Steud. (common reed). The concentrations 7 and 208 mg/l were applied for each dye at the hydraulic contact times of 48 and 96 h. Concerning the low concentrations of BR46 and AB113, the unplanted wetlands are associated with significant (ρ < 0.05) reduction performances, if compared with planted wetlands concerning the removal of dyes. For the high concentrations of AB113, BR46 and a mixture of both of them, wetlands with long contact times were significantly (ρ < 0.05) better than wetlands that had short contact times in terms of dye, colour and chemical oxygen demand reductions. Regarding nitrate nitrogen (NO3-N), the reduction percentage rates of AB113, BR46 and a mixture dye of both of them were between 85 and 100%. For low and high inflow dye concentrations, best removals were generally recorded for spring and summer, respectively.
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Affiliation(s)
- Amjad Hussein
- Civil Engineering Research Group, School of Computing, Science and Engineering, The University of Salford, Newton Building, Peel Park Campus, Salford, Greater Manchester, M5 4WT, UK
- Civil Engineering Department, Engineering College, Al-Muthanna University, Al-Muthanna, Samawah, Iraq
| | - Miklas Scholz
- Civil Engineering Research Group, School of Computing, Science and Engineering, The University of Salford, Newton Building, Peel Park Campus, Salford, Greater Manchester, M5 4WT, UK.
- Division of Water Resources Engineering, Department of Building and Environmental Technology, Faculty of Engineering, Lund University, P.O. Box 118, 221 00, Lund, Sweden.
- Department of Civil Engineering Science, School of Civil Engineering and the Built Environment, University of Johannesburg, Kingsway Campus, Auckland Park, P.O. Box 524, Johannesburg, 2006, South Africa.
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Franco JH, Silva BFD, Oliveira RV, Meireles G, de Oliveira DP, Castro AAD, Ramalho TC, Zanoni MVB. Identification of biotransformation products of disperse dyes with rat liver microsomes by LC-MS/MS and theoretical studies with DNA: Structure-mutagenicity relationship using Salmonella/microsome assay. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 613-614:1093-1103. [PMID: 28950671 DOI: 10.1016/j.scitotenv.2017.08.271] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Revised: 08/07/2017] [Accepted: 08/27/2017] [Indexed: 06/07/2023]
Abstract
Azo dyes are known as a group of substances with DNA damage potential that depend on the nature and number of azo groups connected to aromatic rings (benzene and naphthalene), chemical properties, e.g. solubility and reactive functional groups, which significantly affect their toxicological and ecological risks. In this paper, we used in vitro models to evaluate the metabolism of selected textile dyes: Disperse Red 73 (DR 73), Disperse Red 78 (DR 78) and Disperse Red 167 (DR 167). To evaluate the mutagenic potential of the textile dyes, the Salmonella mutagenicity assay (Ames test) with strains TA 98 and TA 100 in the presence and absence of the exogenous metabolic system (S9) was used. DR73 was considered the most mutagenic compound, inducing both replacement base pairs (TA 100) and also changing frameshift (TA 98) mutations that are reduced in the presence of the S9 mixture. Furthermore, we used rat liver microsomes in the same experimental conditions of the S9 mixture to metabolize the dyes and the resultant solutions were analyzed using a liquid chromatography coupled to a quadrupole linear ion trap mass spectrometry (LC-MS/MS) to investigate the metabolites formed by the in vitro biotransformation. Based on this experiment, we detected and identified two biotransformation products for each textile dye substrate analyzed. Furthermore, to evaluate the interaction and reactivity of these compounds with DNA, theoretical calculations were also carried out. The results showed that the chemical reaction occurred preferentially at the azo group and the nitro group, indicating that there was a reduction in these groups by the CYP P450 enzymes presented in the rat microsomal medium. Our results clearly demonstrated that the reduction of these dyes by biological systems is a great environmental concern due to increased genotoxicity for the body of living beings, especially for humans.
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Affiliation(s)
- Jefferson Honorio Franco
- Institute of Chemistry-State University "Julio de Mesquita Filho"-UNESP-Avenida Professor Francisco Degni, 55, Quitandinha, 14800-900 Araraquara, SP, Brazil
| | - Bianca F da Silva
- Institute of Chemistry-State University "Julio de Mesquita Filho"-UNESP-Avenida Professor Francisco Degni, 55, Quitandinha, 14800-900 Araraquara, SP, Brazil
| | - Regina V Oliveira
- Federal University of São Carlos, UFSCar, Department of Chemistry, Rod. Washington Luiz Km 235, Monjolinho, 13565-905 São Carlos, SP, Brazil
| | - Gabriela Meireles
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo - FCFRP/USP, Ribeirão Preto, São Paulo, Brazil
| | - Danielle Palma de Oliveira
- School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo - FCFRP/USP, Ribeirão Preto, São Paulo, Brazil.
| | | | - Teodorico C Ramalho
- Department of Chemistry, Federal University of Lavras, 37200-000 Lavras, Brazil
| | - Maria V B Zanoni
- Institute of Chemistry-State University "Julio de Mesquita Filho"-UNESP-Avenida Professor Francisco Degni, 55, Quitandinha, 14800-900 Araraquara, SP, Brazil
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Arshad A, Iqbal J, Mansoor Q. NiO-nanoflakes grafted graphene: an excellent photocatalyst and a novel nanomaterial for achieving complete pathogen control. NANOSCALE 2017; 9:16321-16328. [PMID: 29051936 DOI: 10.1039/c7nr05756c] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The increased levels of industrial pollutants in water and of drug-resistant pathogens more generally are a serious threat to human and aquatic life. Herein, we present the solar-light-induced dye removal and bactericidal properties of nickel oxide (NiO) and graphene nanoplatelet (GNP) nanocomposites. The conducting nature of GNPs is the key factor that accounts for the enhanced photocatalytic and antibacterial activity. Remarkably, the graphene/NiO nanocomposite shows outstanding photocatalytic activity (99% degradation) as compared to NiO (34%) alone, which makes it a potential candidate for the depollution of dye-contaminated water. In addition, the optimized amount of GNPs in the graphene/NiO nanocomposite renders it an exceptional antibacterial material, producing 100% growth inhibition of pathogenic microorganisms (both Gram-positive and Gram-negative bacteria). Therefore, the graphene/NiO nanocomposite can be an innovative material to achieve complete pathogen control, alongside being an economic solution for water treatment.
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Affiliation(s)
- A Arshad
- Department of Physics, International Islamic University, Islamabad, Pakistan
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42
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Lutein and Brilliant Blue-Based Dye for Donor Preparation and Transplantation in Descemet Membrane Endothelial Keratoplasty. Cornea 2017; 36:440-444. [PMID: 28079691 DOI: 10.1097/ico.0000000000001140] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE Trypan blue (TB) is used for visualization of the endothelium-Descemet membrane graft during Descemet membrane endothelial keratoplasty (DMEK). However, TB is assumed to have a dose-dependent toxic effect on the corneal endothelium. We retrospectively compared a lutein/zeaxanthin and Brilliant Blue (LZ/BB)-based dye for preparation and transplantation of the graft in DMEK to TB. METHODS In 20 patients, a dye composed of 1% LZ /0.025% BB was used, and in 22 patients, 0.06% TB was used for graft visualization in DMEK. We evaluated the rebubbling rate, best spectacle-corrected visual acuity (BSCVA), central corneal thickness (CCT), and endothelial cell density (ECD) before and 3 and 6 months after transplantation. RESULTS Staining of endothelium-Descemet membrane with LZ/BB was faint but sufficient. There was no significant difference between both groups, except in CCT after 3 months, which was lower in the LZ/BB group (P = 0.02). In the LZ/BB group, BSCVA improved from 0.48 ± 0.39 before DMEK to 0.19 ± 0.09 after 6 months (P < 0.05) (20% rebubbling rate). Donor ECD decreased from 2735 ± 259 cells/m preoperatively to 1876 ± 316 cells/mm (P < 0.0001) at 6 months (31.4%). CCT decreased from 642 ± 130 μm preoperatively to 519.8 ± 38 μm (P < 0.0001) at 6 months. In the TB group, BSCVA improved from 0.43 ± 0.27 to 0.17 ± 0.14 (P = 0.0003) at 6 months (30% rebubbling rate). ECD decreased from 2825 ± 263 to 1777 ± 302 cells/mm (P < 0.0001) after 6 months (36.3%), CCT from 638 ± 48 μm preoperatively to 531 ± 48 μm (P < 0.0001) at 6 months. CONCLUSIONS LZ/BB-based dyes are suitable for DMEK with outcomes comparable to TB. However, available formulas result in faint staining, discouraging their routine use in donors with assumed difficult preparation.
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Evaluation of metabolism of azo dyes and their effects on Staphylococcus aureus metabolome. J Ind Microbiol Biotechnol 2017; 44:1471-1481. [PMID: 28786013 DOI: 10.1007/s10295-017-1970-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 07/18/2017] [Indexed: 12/26/2022]
Abstract
Dyes containing one or more azo linkages are widely applied in cosmetics, tattooing, food and drinks, pharmaceuticals, printing inks, plastics, leather, as well as paper industries. Previously we reported that bacteria living on human skin have the ability to reduce some azo dyes to aromatic amines, which raises potential safety concerns regarding human dermal exposure to azo dyes such as those in tattoo ink and cosmetic colorant formulations. To comprehensively investigate azo dye-induced toxicity by skin bacteria activation, it is very critical to understand the mechanism of metabolism of the azo dyes at the systems biology level. In this study, an LC/MS-based metabolomics approach was employed to globally investigate metabolism of azo dyes by Staphylococcus aureus as well as their effects on the metabolome of the bacterium. Growth of S. aureus in the presence of Sudan III or Orange II was not affected during the incubation period. Metabolomics results showed that Sudan III was metabolized to 4-(phenyldiazenyl) aniline (48%), 1-[(4-aminophenyl) diazenyl]-2-naphthol (4%) and eicosenoic acid Sudan III (0.9%). These findings indicated that the azo bond close to naphthalene group of Sudan III was preferentially cleaved compared with the other azo bond. The metabolite from Orange II was identified as 4-aminobenzene sulfonic acid (35%). A much higher amount of Orange II (~90×) was detected in the cell pellets from the active viable cells compared with those from boiled cells incubated with the same concentration of Orange II. This finding suggests that Orange II was primarily transported into the S. aureus cells for metabolism, instead of the theory that the azo dye metabolism occurs extracellularly. In addition, the metabolomics results showed that Sudan III affected energy pathways of the S. aureus cells, while Orange II had less noticeable effects on the cells. In summary, this study provided novel information regarding azo dye metabolism by the skin bacterium, the effects of azo dyes on the bacterial cells and the important role on the toxicity and/or inactivation of these compounds due to microbial metabolism.
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Adsorption of anionic azo-dyes from aqueous solutions onto graphene oxide: Equilibrium, kinetic and thermodynamic studies. J Colloid Interface Sci 2017; 496:188-200. [DOI: 10.1016/j.jcis.2017.02.031] [Citation(s) in RCA: 261] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 01/22/2017] [Accepted: 02/13/2017] [Indexed: 11/22/2022]
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45
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Adsorption characteristics for the removal of a toxic dye, tartrazine from aqueous solutions by a low cost agricultural by-product. ARAB J CHEM 2017. [DOI: 10.1016/j.arabjc.2013.06.005] [Citation(s) in RCA: 379] [Impact Index Per Article: 54.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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46
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Ganguly D, Jain CK, Santra RC, Roychoudhury S, Majumder HK, Mondal TK, Das S. Anticancer Activity of a Complex of CuIIwith 2-(2-hydroxyphenylazo)-indole-3/-acetic Acid on three different Cancer Cell Lines: A Novel Feature for Azo Complexes. ChemistrySelect 2017. [DOI: 10.1002/slct.201601270] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Durba Ganguly
- Department of Chemistry (Inorganic Section); Jadavpur University; Kolkata-700 032 India
| | - Chetan Kumar Jain
- Cancer Biology & Inflammatory Disorder Division; Indian Institute of Chemical Biology; Kolkata-700032, India
- Infectious Diseases and Immunology Division; Indian Institute of Chemical Biology; Kolkata-700032 India
| | - Ramesh Chandra Santra
- Department of Chemistry (Inorganic Section); Jadavpur University; Kolkata-700 032 India
| | - Susanta Roychoudhury
- Cancer Biology & Inflammatory Disorder Division; Indian Institute of Chemical Biology; Kolkata-700032, India
| | - Hemanta Kumar Majumder
- Infectious Diseases and Immunology Division; Indian Institute of Chemical Biology; Kolkata-700032 India
| | - Tapan Kumar Mondal
- Department of Chemistry (Inorganic Section); Jadavpur University; Kolkata-700 032 India
| | - Saurabh Das
- Department of Chemistry (Inorganic Section); Jadavpur University; Kolkata-700 032 India
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Kamaljeet, Bansal S, SenGupta U. A Study of the Interaction of Bovine Hemoglobin with Synthetic Dyes Using Spectroscopic Techniques and Molecular Docking. Front Chem 2017; 4:50. [PMID: 28119912 PMCID: PMC5223637 DOI: 10.3389/fchem.2016.00050] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2016] [Accepted: 12/22/2016] [Indexed: 12/02/2022] Open
Abstract
Synthetic dyes are a very efficient class of dyes that are ingested or come into contact with the skin from numerous sources (cosmetics, textiles, leather, paper, and drugs). An important component of their safety profile is the interactions that they form after they enter the body. Hemoglobin is a functionally important protein that can form multiple interactions with soluble compounds present in the blood, and hence forms an important aspect of the toxicological or safety profile of the dyes. Here we study the interaction between bovine hemoglobin and organic dyes using UV-Vis absorbance and fluorescence spectroscopy. Molecular modeling was used to visualize the binding site and partners of the dye molecules, within the hemoglobin molecule. We find that all four dyes studied form sufficiently strong interactions with hemoglobin to allow for the formation of potentially toxic interactions. Molecular modeling showed that all four dyes bind within the central cavity of the hemoglobin molecule. However, binding partners could not be identified as multiple binding conformations with very similar energies were possible for each dye.
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Affiliation(s)
| | | | - Uttara SenGupta
- Department of Chemistry, Lovely Professional UniversityPhagwara, India
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48
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Shan Z, Lu M, Curry DE, Beale S, Campbell S, Poduska KM, Bennett C, Oakes KD, Zhang X. Regenerative nanobots based on magnetic layered double hydroxide for azo dye removal and degradation. Chem Commun (Camb) 2017; 53:10456-10458. [DOI: 10.1039/c7cc05081j] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Azo dye removal and degradation protocol using magnetic LDH-based regenerative nanobots.
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Affiliation(s)
- Zhi Shan
- Verschuren Centre for Sustainability in Energy & the Environment
- Cape Breton University
- Sydney
- Canada
- College of life Science, Sichuan Agriculture University
| | - Mingsheng Lu
- Marine School, Huaihai Institute of Technology
- Lianyungang
- China
| | - Dennis E. Curry
- Verschuren Centre for Sustainability in Energy & the Environment
- Cape Breton University
- Sydney
- Canada
| | | | - Stephen Campbell
- Department of Physics and Physical Oceanography, Memorial University of Newfoundland
- St. John's
- Canada
| | - Kristin M. Poduska
- Department of Physics and Physical Oceanography, Memorial University of Newfoundland
- St. John's
- Canada
| | - Craig Bennett
- Department of Physics, Acadia University
- Wolfville
- Canada
| | - Ken D. Oakes
- Verschuren Centre for Sustainability in Energy & the Environment
- Cape Breton University
- Sydney
- Canada
- Department of Biology
| | - Xu Zhang
- Verschuren Centre for Sustainability in Energy & the Environment
- Cape Breton University
- Sydney
- Canada
- Department of Chemistry, Cape Breton University
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Iammarino M, Marino R, Albenzio M. How meaty? Detection and quantification of adulterants, foreign proteins and food additives in meat products. Int J Food Sci Technol 2016. [DOI: 10.1111/ijfs.13350] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Marco Iammarino
- Istituto Zooprofilattico Sperimentale Della Puglia E Della Basilicata; Via Manfredonia 20 Foggia 71121 Italy
| | - Rosaria Marino
- Department of the Sciences of Agriculture, Food and Environment (SAFE); University of Foggia; Via Napoli, 25 Foggia 71122 Italy
| | - Marzia Albenzio
- Department of the Sciences of Agriculture, Food and Environment (SAFE); University of Foggia; Via Napoli, 25 Foggia 71122 Italy
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50
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Chung KT. Azo dyes and human health: A review. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART C, ENVIRONMENTAL CARCINOGENESIS & ECOTOXICOLOGY REVIEWS 2016; 34:233-261. [PMID: 27635691 DOI: 10.1080/10590501.2016.1236602] [Citation(s) in RCA: 294] [Impact Index Per Article: 36.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Synthetic azo dyes are widely used in industries. Gerhardt Domagk discovered that the antimicrobial effect of red azo dye Prontosil was caused by the reductively cleaved (azo reduction) product sulfanilamide. The significance of azo reduction is thus revealed. Azo reduction can be accomplished by human intestinal microflora, skin microflora, environmental microorganisms, to a lesser extent by human liver azoreductase, and by nonbiological means. Some azo dyes can be carcinogenic without being cleaved into aromatic amines. However, the carcinogenicity of many azo dyes is due to their cleaved product such as benzidine. Benzidine induces various human and animal tumors. Another azo dye component, p-phenylenediamine, is a contact allergen. Many azo dyes and their reductively cleaved products as well as chemically related aromatic amines are reported to affect human health, causing allergies and other human maladies.
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Affiliation(s)
- King-Thom Chung
- a Department of Biological Sciences , The University of Memphis , Memphis , Tennessee , USA
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