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Enache AC, Cojocaru C, Samoila P, Ciornea V, Apolzan R, Predeanu G, Harabagiu V. Adsorption of Brilliant Green Dye onto a Mercerized Biosorbent: Kinetic, Thermodynamic, and Molecular Docking Studies. Molecules 2023; 28:molecules28104129. [PMID: 37241872 DOI: 10.3390/molecules28104129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 05/15/2023] [Accepted: 05/15/2023] [Indexed: 05/28/2023] Open
Abstract
This study reports the valorization of pistachio shell agricultural waste, aiming to develop an eco-friendly and cost-effective biosorbent for cationic brilliant green (BG) dye adsorption from aqueous media. Pistachio shells were mercerized in an alkaline environment, resulting in the treated adsorbent (PSNaOH). The morphological and structural features of the adsorbent were analyzed using scanning electron microscopy, Fourier transform infrared spectroscopy, and polarized light microscopy. The pseudo-first-order (PFO) kinetic model best described the adsorption kinetics of the BG cationic dye onto PSNaOH biosorbents. In turn, the equilibrium data were best fitted to the Sips isotherm model. The maximum adsorption capacity decreased with temperature (from 52.42 mg/g at 300 K to 46.42 mg/g at 330 K). The isotherm parameters indicated improved affinity between the biosorbent surface and BG molecules at lower temperatures (300 K). The thermodynamic parameters estimated on the basis of the two approaches indicated a spontaneous (ΔG < 0) and exothermic (ΔH < 0) adsorption process. The design of experiments (DoE) and the response surface methodology (RSM) were employed to establish optimal conditions (sorbent dose (SD) = 4.0 g/L and initial concentration (C0) = 10.1 mg/L), yielding removal efficiency of 98.78%. Molecular docking simulations were performed to disclose the intermolecular interactions between the BG dye and lignocellulose-based adsorbent.
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Affiliation(s)
- Andra-Cristina Enache
- Laboratory of Inorganic Polymers, "Petru Poni" Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Corneliu Cojocaru
- Laboratory of Inorganic Polymers, "Petru Poni" Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Petrisor Samoila
- Laboratory of Inorganic Polymers, "Petru Poni" Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Victor Ciornea
- Faculty of Biology and Chemistry, "Ion Creanga" State Pedagogical University, 1 Ion Creangă Street, MD-2069 Chisinau, Moldova
| | - Roxana Apolzan
- SC Cosfel Actual SRL, 95-97 Grivitei Street, 010705 Bucharest, Romania
| | - Georgeta Predeanu
- Research Center for Environmental Protection and Eco-Friendly Technologies (CPMTE), University Politehnica of Bucharest, 1 Polizu Street, 011061 Bucharest, Romania
| | - Valeria Harabagiu
- Laboratory of Inorganic Polymers, "Petru Poni" Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania
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Gul S, Gul A, Gul H, Khattak R, Ismail M, Khan SU, Khan MS, Aouissi HA, Krauklis A. Removal of Brilliant Green Dye from Water Using Ficus benghalensis Tree Leaves as an Efficient Biosorbent. Materials (Basel) 2023; 16:ma16020521. [PMID: 36676258 PMCID: PMC9866320 DOI: 10.3390/ma16020521] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Revised: 11/30/2022] [Accepted: 12/28/2022] [Indexed: 05/29/2023]
Abstract
The presence of dyes in water stream is a major environmental problem that affects aquatic and human life negatively. Therefore, it is essential to remove dye from wastewater before its discharge into the water bodies. In this study, Banyan (Ficus benghalensis, F. benghalensis) tree leaves, a low-cost biosorbent, were used to remove brilliant green (BG), a cationic dye, from an aqueous solution. Batch model experiments were carried out by varying operational parameters, such as initial concentration of dye solution, contact time, adsorbent dose, and pH of the solution, to obtain optimum conditions for removing BG dye. Under optimum conditions, maximum percent removal of 97.3% and adsorption capacity (Qe) value of 19.5 mg/g were achieved (at pH 8, adsorbent dose 0.05 g, dye concentration 50 ppm, and 60 min contact time). The Langmuir and Freundlich adsorption isotherms were applied to the experimental data. The linear fit value, R2 of Freundlich adsorption isotherm, was 0.93, indicating its best fit to our experimental data. A kinetic study was also carried out by implementing the pseudo-first-order and pseudo-second-order kinetic models. The adsorption of BG on the selected biosorbent follows pseudo-second-order kinetics (R2 = 0.99), indicating that transfer of internal and external mass co-occurs. This study surfaces the excellent adsorption capacity of Banyan tree leaves to remove cationic BG dye from aqueous solutions, including tap water, river water, and filtered river water. Therefore, the selected biosorbent is a cost-effective and easily accessible approach for removing toxic dyes from industrial effluents and wastewater.
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Affiliation(s)
- Salma Gul
- Department of Chemistry, Women University Swabi, Swabi 22101, Pakistan
| | - Azra Gul
- Department of Chemistry, Women University Swabi, Swabi 22101, Pakistan
| | - Hajera Gul
- Department of Chemistry, Shaheed Benazir Bhutto Women University, Peshawar 25000, Pakistan
| | - Rozina Khattak
- Department of Chemistry, Shaheed Benazir Bhutto Women University, Peshawar 25000, Pakistan
| | - Muhammad Ismail
- Department of Chemistry, Women University Swabi, Swabi 22101, Pakistan
| | - Sana Ullah Khan
- Department of Chemistry, Women University Swabi, Swabi 22101, Pakistan
| | | | - Hani Amir Aouissi
- Scientific and Technical Research Center on Arid Regions (CRSTRA), Biskra 07000, Algeria
- Laboratoire de Recherche et d’Etude en Aménagement et Urbanisme (LREAU), Université des Sciences et de la Technologie (USTHB), Algiers 16000, Algeria
- Environmental Research Center (CRE), Badji-Mokhtar Annaba University, Annaba 23000, Algeria
| | - Andrejs Krauklis
- Institute for Mechanics of Materials, University of Latvia, Jelgavas Street 3, LV-1004 Riga, Latvia
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Ajibade PA, Oluwalana AE. Photocatalytic Degradation of Single and Binary Mixture of Brilliant Green and Rhodamine B Dyes by Zinc Sulfide Quantum Dots. Molecules 2021; 26:molecules26247686. [PMID: 34946768 PMCID: PMC8704525 DOI: 10.3390/molecules26247686] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/12/2021] [Accepted: 12/13/2021] [Indexed: 11/16/2022] Open
Abstract
We present the preparation of octadecylamine-capped ZnS quantum dots from bis(morpholinyldithiocarbamato)Zn(II) complex. The complex was thermolyzed at 130 °C in octadecylamine at different times, to study the effect of reaction time on the morphological and photocatalytic properties of the ZnS quantum dots. Powder X-ray diffraction patterns confirmed a hexagonal wurtzite crystalline phase of ZnS, while HRTEM images showed particle sizes of about 1–3 nm, and energy band gaps of 3.68 eV (ZnS–1), 3.87 eV (ZnS–2), and 4.16 eV (ZnS–3) were obtained from the Tauc plot for the ZnS nanoparticles. The as-prepared ZnS were used as photocatalysts for the degradation of brilliant green, rhodamine B, and binary dye consisting of a mixture of brilliant green-rhodamine B. The highest photocatalytic degradation efficiency of 94% was obtained from ZnS–3 with low photoluminescence intensity. The effect of catalytic dosage and pH of the dyes solution on the photocatalytic process shows that pH 8 is optimal for the degradation of brilliant green, while pH 6.5 is the best for photocatalytic degradation of rhodamine B. The degradation of the binary dyes followed the same trends. The effect of catalytic dosage shows that 1 mg mL−1 of the ZnS nano-photocatalyst is the optimum dosage for the degradation of organic dyes. Reusability studies show that the ZnS quantum dots can be reused five times without a significant reduction in degradation efficiency.
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Ahmed IA, H Ragab A, Habila MA, Alomar TS, Aljuhani EH. Equilibrium and Kinetic Study of Anionic and Cationic Pollutants Remediation by Limestone-Chitosan-Alginate Nanocomposite from Aqueous Solution. Molecules 2021; 26:2586. [PMID: 33946625 DOI: 10.3390/molecules26092586] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 04/18/2021] [Accepted: 04/20/2021] [Indexed: 11/16/2022] Open
Abstract
In this work, low-cost and readily available limestone was converted into nanolimestone chitosan and mixed with alginate powder and precipitate to form a triple nanocomposite, namely limestone—chitosan–alginate (NLS/Cs/Alg.), which was used as an adsorbent for the removal of brilliant green (BG) and Congo red (CR) dyes in aqueous solutions. The adsorption studies were conducted under varying parameters, including contact time, temperature, concentration, and pH. The NLS/Cs/Alg. was characterized by SEM, FTIR, BET, and TEM techniques. The SEM images revealed that the NLS/Cs/Alg. surface structure had interconnected pores, which could easily trap the pollutants. The BET analysis established the surface area to be 20.45 m2/g. The recorded maximum experimental adsorption capacities were 2250 and 2020 mg/g for CR and BG, respectively. The adsorption processes had a good fit to the kinetic pseudo second order, which suggests that the removal mechanism was controlled by physical adsorption. The CR and BG equilibrium data had a good fit for the Freundlich isotherm, suggesting that adsorption processes occurred on the heterogeneous surface with a multilayer formation on the NLS/Cs/Alg. at equilibrium. The enthalpy change (ΔH0) was 37.7 KJ mol−1 for CR and 8.71 KJ mol−1 for BG, while the entropy change (ΔS0) was 89.1 J K−1 mol−1 for CR and 79.1 J K−1 mol−1 BG, indicating that the adsorption process was endothermic and spontaneous in nature.
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Ali Khan M, Govindasamy R, Ahmad A, Siddiqui MR, Alshareef SA, Hakami AAH, Rafatullah M. Carbon Based Polymeric Nanocomposites for Dye Adsorption: Synthesis, Characterization, and Application. Polymers (Basel) 2021; 13:polym13030419. [PMID: 33525497 PMCID: PMC7865211 DOI: 10.3390/polym13030419] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/13/2021] [Accepted: 01/25/2021] [Indexed: 12/20/2022] Open
Abstract
Agglomeration and restacking can reduce graphene oxide (GO) activity in a wide range of applications. Herein, GO was synthesized by a modified Hummer's method. To minimize restacking and agglomeration, in situ chemical oxidation polymerization was carried out to embed polyaniline (PANI) chains at the edges of GO sheets, to obtain GO-PANI nanocomposite. The GO-PANI was tested for the adsorptive removal of brilliant green (BG) from an aqueous solution through batch mode studies. Infrared (FT-IR) analysis revealed the dominance of hydroxyl and carboxylic functionalities over the GO-PANI surface. Solution pH-dependent BG uptake was observed, with maximum adsorption at pH 7, and attaining equilibrium in 30 min. The adsorption of BG onto GO-PANI was fit to the Langmuir isotherm, and pseudo-second-order kinetic models, with a maximum monolayer adsorption capacity (qm) of 142.8 mg/g. An endothermic adsorption process was observed. Mechanistically, π-π stacking interaction and electrostatic interaction played a critical role during BG adsorption on GO-PANI.
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Affiliation(s)
- Moonis Ali Khan
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (M.A.K.); (M.R.S.); (S.A.A.); (A.A.H.H.)
| | - Ramendhirran Govindasamy
- School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia; (R.G.); (A.A.)
| | - Akil Ahmad
- School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia; (R.G.); (A.A.)
| | - Masoom Raza Siddiqui
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (M.A.K.); (M.R.S.); (S.A.A.); (A.A.H.H.)
| | - Shareefa Ahmed Alshareef
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (M.A.K.); (M.R.S.); (S.A.A.); (A.A.H.H.)
| | - Afnan Ali Hussain Hakami
- Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (M.A.K.); (M.R.S.); (S.A.A.); (A.A.H.H.)
| | - Mohd Rafatullah
- School of Industrial Technology, Universiti Sains Malaysia, Penang 11800, Malaysia; (R.G.); (A.A.)
- Correspondence: ; Tel.: +60-4653-2111; Fax: +60-465-6375
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Giri BS, Gun S, Pandey S, Trivedi A, Kapoor RT, Singh RP, Abdeldayem OM, Rene ER, Yadav S, Chaturvedi P, Sharma N, Singh RS. Reusability of brilliant green dye contaminated wastewater using corncob biochar and Brevibacillus parabrevis: hybrid treatment and kinetic studies. Bioengineered 2020; 11:743-758. [PMID: 32631112 PMCID: PMC8291847 DOI: 10.1080/21655979.2020.1788353] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/29/2022] Open
Abstract
This work highlights the potential of corncob biochar (CCBC) and Brevibacillus parabrevis for the decolorization of brilliant green (BG) dye from synthetically prepared contaminated wastewater. The CCBC was characterized by proximate, Fourier-transform infrared spectroscopy, scanning electron microscopy, X-ray diffraction, and Brunauer-Emmett-Teller analysis, respectively. Different parameters affecting the adsorption process were evaluated. The experimental results were analyzed by the Langmuir and Freundlich isotherm models. Kinetic results were examined by different models; pseudo-second-order model has shown the best fit to the experimental data. Anew positive values of ΔHo (172.58 kJ/mol) and ΔSo (569.97 J/K/mol) in the temperature range of 303-318 K revealed that the adsorption process was spontaneous and endothermic. The present investigation showed that the bacteria immobilized with CCBC showed better BG dye degradation. The kinetic parameters, μmax, Ks, and μ max, were found to be 0.5 per day, 39.4 mg/day, and 0.012 L/mg/day using Monod model, respectively. The adsorbent with bacteria showed good potential for the removal of cationic BG dye and can be considered for the remediation of industrial effluent.
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Affiliation(s)
- Balendu Shekher Giri
- Department of Chemical Engineering and Technology, IIT(BHU) , Varanasi, India.,Aquatic Toxicology Laboratory, Environmental Toxicology Group, Council of Scientific and Industrial Research-Indian Institute of Toxicology Research (CSIR-IITR) , Lucknow, India
| | - Sudeshna Gun
- Department of Chemical Engineering, NIT Durgapur , West, India
| | - Saurabh Pandey
- Department of Chemical Engineering and Technology, IIT(BHU) , Varanasi, India
| | - Aparna Trivedi
- Department of Chemical Engineering, Uiet CSJM University , Kanpur, India
| | | | | | - Omar M Abdeldayem
- Department of Water Supply, Sanitation and Environmental Engineering, IHE Delft Institute for Water Education , Delft, The Netherlands
| | - Eldon R Rene
- Department of Water Supply, Sanitation and Environmental Engineering, IHE Delft Institute for Water Education , Delft, The Netherlands
| | - Sudeep Yadav
- Department of Chemical Engineering, Bundelkhand Institute of Engineering & Technology (BIET) , Jhanshi, India
| | - Preeti Chaturvedi
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, Council of Scientific and Industrial Research-Indian Institute of Toxicology Research (CSIR-IITR) , Lucknow, India
| | - Neha Sharma
- Amity Institute of Microbial Technology, Amity University , Noida, India
| | - Ram Sharan Singh
- Department of Chemical Engineering and Technology, IIT(BHU) , Varanasi, India
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Zhang X, Zheng Y, Fried LE, Du Y, Montano SJ, Sohn A, Lefkove B, Holmgren L, Arbiser JL, Holmgren A, Lu J. Disruption of the mitochondrial thioredoxin system as a cell death mechanism of cationic triphenylmethanes. Free Radic Biol Med 2011; 50:811-20. [PMID: 21215310 PMCID: PMC3047390 DOI: 10.1016/j.freeradbiomed.2010.12.036] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2010] [Revised: 12/23/2010] [Accepted: 12/27/2010] [Indexed: 11/30/2022]
Abstract
Alterations in mitochondrial structure and function are a hallmark of cancer cells compared to normal cells and thus targeting mitochondria has emerged as an novel approach to cancer therapy. The mitochondrial thioredoxin 2 (Trx2) system is critical for cell viability, but its role in cancer biology is not well understood. Recently some cationic triphenylmethanes such as brilliant green (BG) and gentian violet were shown to have antitumor and antiangiogenic activity with unknown mechanisms. Here we demonstrate that BG killed cells at nanomolar concentrations and targeted mitochondrial Trx2, which was oxidized and degraded. HeLa cells were more sensitive to BG than fibroblasts. In HeLa cells, Trx2 down-regulation by siRNA resulted in increased sensitivity to BG, whereas for fibroblasts, the same treatments had no effect. BG was observed to accumulate in mitochondria and cause a rapid and dramatic decrease in mitochondrial Trx2 protein. With a redox Western blot method, we found that treatment with BG caused oxidation of both Trx1 and Trx2, followed by release of cytochrome c and apoptosis-inducing factor from the mitochondria into the cytosol. Moreover, this treatment resulted in an elevation of the mRNA level of Lon protease, a protein quality control enzyme in the mitochondrial matrix, suggesting that the oxidized Trx2 may be degraded by Lon protease.
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Affiliation(s)
- Xu Zhang
- Division of Biochemistry, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden
| | - Yujuan Zheng
- Department of Oncology and Pathology, Cancer Centrum Karolinska, Karolinska Institute, Stockholm, Sweden
| | - Levi E Fried
- Department of Dermatology, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Yatao Du
- Division of Biochemistry, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden
| | - Sergio J. Montano
- Division of Biochemistry, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden
| | - Allie Sohn
- Department of Dermatology, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Benjamin Lefkove
- Department of Dermatology, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Lars Holmgren
- Department of Oncology and Pathology, Cancer Centrum Karolinska, Karolinska Institute, Stockholm, Sweden
| | - Jack L. Arbiser
- Department of Dermatology, Emory University School of Medicine, Atlanta, Georgia, USA
- Atlanta VA Medical Center, Atlanta, Georgia, USA
| | - Arne Holmgren
- Division of Biochemistry, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden
- Correspondence to: Arne Holmgren, MD, PhD Professor of Biochemistry Division of Biochemistry Department of Medical Biochemistry and Biophysics Karolinska Institutet, SE 171 77 Stockholm, Sweden. Phone: +46 8 52487686; Fax: +46 8 7284716
| | - Jun Lu
- Division of Biochemistry, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden
- Jun Lu, Ph. D Division of Biochemistry Department of Medical Biochemistry and Biophysics Karolinska Institute SE-171 77 Stockholm, Sweden Phone: +46 8 52487005 Fax: +46 8 305193
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