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Saini R, Mishra RK, Kumar P. Green Synthesis of Reduced Graphene Oxide Using the Tinospora cordifolia Plant Extract: Exploring Its Potential for Methylene Blue Dye Degradation and Antibacterial Activity. ACS OMEGA 2024; 9:20304-20321. [PMID: 38737070 PMCID: PMC11080027 DOI: 10.1021/acsomega.4c00748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 04/05/2024] [Accepted: 04/11/2024] [Indexed: 05/14/2024]
Abstract
Graphene has attracted significant attention recently due to its unique mechanical, electrical, thermal, and optical properties. The present study focuses on synthesizing green rGO using the Tinospora cordifolia plant extract by mixing it in a suspension of graphene oxide. The plant extract of T. cordifolia acts as a reducing agent and is cost-effective, renewable, and eco-friendly. Green-synthesized rGO (G-rGO) was characterized using FTIR, HR-SEM, EDX, and HR-XRD analyses. G-rGO consists of nanosheets with an average width of approximately 30 nm. G-rGO has a range of hydrodynamic radius (270-470) nm and an average ζ potential of -29.9 mV. Further, G-rGO was used as a nanoadsorbent for optimal exclusion of methylene blue (MB) dye using the response surface methodology (RSM). Adsorption results confirmed 94.85% MB dye removal with 58.81 mg g-1 adsorption capacity at optimum conditions. The G-rGO's antibacterial activity was also tested against Staphylococcus aureus (Gram-positive) and Escherichia coli (Gram-negative) bacteria, finding the exhibited zone of inhibition of 10, 11, and 15 mm and 10, 13, and 17 mm at 20, 40, and 80 μg mL-1 concentrations of G-rGO, respectively.
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Affiliation(s)
- Ravi Saini
- Department
of Chemical Engineering & Technology, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh,India
| | - Ranjeet Kumar Mishra
- Department
of Chemical Engineering, Manipal Institute
of Technology, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Pradeep Kumar
- Department
of Chemical Engineering & Technology, Indian Institute of Technology (BHU), Varanasi 221005, Uttar Pradesh,India
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2
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Yesmin S, Mahiuddin M, Nazmul Islam ABM, Karim KMR, Saha P, Khan MAR, Ahsan HM. Piper chaba Stem Extract Facilitated the Synthesis of Iron Oxide Nanoparticles as an Adsorbent to Remove Congo Red Dye. ACS OMEGA 2024; 9:10727-10737. [PMID: 38463303 PMCID: PMC10918656 DOI: 10.1021/acsomega.3c09557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/31/2024] [Accepted: 02/07/2024] [Indexed: 03/12/2024]
Abstract
In this study, a straightforward, eco-friendly, and facile method for synthesizing iron oxide nanoparticles (IONPs) utilizing Piper chaba steam extract as a reducing and stabilizing agent has been demonstrated. The formation of stable IONPs coated with organic moieties was confirmed from UV-vis, FTIR, and EDX spectroscopy and DLS analysis. The produced IONPs are sufficiently crystalline to be superparamagnetic having a saturation magnetization value of 58 emu/g, and their spherical form and size of 9 nm were verified by XRD, VSM, SEM, and TEM investigations. In addition, the synthesized IONPs exhibited notable effectiveness in the removal of Congo Red (CR) dye with a maximum adsorption capacity of 88 mg/g. The adsorption kinetics followed pseudo-second-order kinetics, meaning the adsorption of CR on IONPs is mostly controlled by chemisorption. The adsorption isotherms of CR on the surface of IONPs follow the Langmuir isotherm model, indicating the monolayer adsorption on the homogeneous surface of IONPs through adsorbate-adsorbent interaction. The IONPs have revealed good potential for their reusability, with the adsorption efficiency remaining at about 85% after five adsorption-desorption cycles. The large-scale, safe, and cost-effective manufacturing of IONPs is made possible by this environmentally friendly process.
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Affiliation(s)
| | - Md. Mahiuddin
- Chemistry Discipline, Khulna University, Khulna9208, Bangladesh
| | | | | | - Prianka Saha
- Chemistry Discipline, Khulna University, Khulna9208, Bangladesh
| | | | - Habib Md. Ahsan
- Chemistry Discipline, Khulna University, Khulna9208, Bangladesh
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Utami M, Yenn TW, Alam MW, Ravindran B, Husniati, Purnama I, Salmahaminati, Hidayat H, Dhetaya FN, Salsabilla SN. Efficient photocatalytic bactericidal performance of green-synthesised TiO 2/reduced graphene oxide using banana peel extracts. Heliyon 2024; 10:e26636. [PMID: 38420369 PMCID: PMC10901103 DOI: 10.1016/j.heliyon.2024.e26636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 02/16/2024] [Accepted: 02/16/2024] [Indexed: 03/02/2024] Open
Abstract
In this study, the fabrication of titanium dioxide/reduced graphene oxide (TiO2/rGO) utilising banana peel extracts (Musa paradisiaca L.) as a reducing agent for the photoinactivation of Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) was explored. The GO synthesis was conducted using a modified Tour method, whereas the production of rGO involved banana peel extracts through a reflux method. The integration of TiO2 into rGO was achieved via a hydrothermal process. The successful synthesis of TiO2/rGO was verified through various analytical techniques, including X-ray diffraction (XRD), gas sorption analysis (GSA), Fourier-transform infrared (FT-IR) spectroscopy, ultraviolet-visible diffuse reflectance spectroscopy (UV-Vis DRS), scanning electron microscope-energy dispersive X-ray (SEM-EDX) and transmission electron microscopy (TEM) analyses. The results indicated that the hydrothermal-assisted green synthesis effectively produced TiO2/rGO with a particle size of 60.5 nm. Compared with pure TiO2, TiO2/rGO demonstrated a reduced crystallite size (88.505 nm) and an enhanced surface area (22.664 m2/g). Moreover, TiO2/rGO featured a low direct bandgap energy (3.052 eV), leading to elevated electrical conductivity and superior photoconductivity. To evaluate the biological efficacy of TiO2/rGO, photoinactivation experiments targeting E. coli and S. aureus were conducted using the disc method. Sunlight irradiation emerged as the most effective catalyst, achieving optimal inactivation results within 6 and 4 h.
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Affiliation(s)
- Maisari Utami
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Yogyakarta, 55584, Indonesia
| | - Tong Woei Yenn
- Institute of Medical Science Technology, Universiti Kuala Lumpur, Kajang, 43000, Malaysia
| | - Mir Waqas Alam
- Department of Physics, College of Science, King Faisal University, Al-Ahsa, 31982, Saudi Arabia
| | - Balasubramani Ravindran
- Department of Medical Biotechnology and Integrative Physiology, Institute of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, 602105, India
- Department of Environmental Energy and Engineering, Kyonggi University, Gyeonggi-Do, 16227, Republic of Korea
| | - Husniati
- Research Center for Pharmaceutical Ingredients and Traditional Medicine, Research Organization for Health, National Research and Innovation Agency (BRIN), South Tangerang, 15314, Indonesia
| | - Indra Purnama
- Department of Agrotechnology, Faculty of Agriculture, Universitas Lancang Kuning, Pekanbaru, 28266, Indonesia
- Graduate School of Agricultural Sciences, Universitas Lancang Kuning, Pekanbaru, 28266, Indonesia
| | - Salmahaminati
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Yogyakarta, 55584, Indonesia
| | - Habibi Hidayat
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Yogyakarta, 55584, Indonesia
| | - Faustine Naomi Dhetaya
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Yogyakarta, 55584, Indonesia
| | - Siva Nur Salsabilla
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Yogyakarta, 55584, Indonesia
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Camparotto NG, de Figueiredo Neves T, de Souza Vendemiatti J, Dos Santos BT, Vieira MGA, Prediger P. Adsorption of contaminants by nanomaterials synthesized by green and conventional routes: a critical review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:12683-12721. [PMID: 38253828 DOI: 10.1007/s11356-024-31922-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 01/04/2024] [Indexed: 01/24/2024]
Abstract
Nanomaterials, due to their large surface area and selectivity, have stood out as an alternative for the adsorption of contaminants from water and effluents. Synthesized from green or traditional protocols, the main advantages and disadvantages of green nanomaterials are the elimination of the use of toxic chemicals and difficulty of reproducing the preparation of nanomaterials, respectively, while traditional nanomaterials have the main advantage of being able to prepare nanomaterials with well-defined morphological properties and the disadvantage of using potentially toxic chemicals. Thus, based on the particularities of green and conventional nanomaterials, this review aims to fill a gap in the literature on the comparison of the synthesis, morphology, and application of these nanomaterials in the adsorption of contaminants in water. Focusing on the adsorption of heavy metals, pesticides, pharmaceuticals, dyes, polyaromatic hydrocarbons, and phenol derivatives in water, for the first time, a review article explored and compared how chemical and morphological changes in nanoadsorbents synthesized by green and conventional protocols affect performance in the adsorption of contaminants in water. Despite advances in the area, there is still a lack of review articles on the topic.
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Affiliation(s)
| | | | | | - Bruna Toledo Dos Santos
- School of Technology, University of Campinas - Unicamp, Limeira , São Paulo, CEP: 13484-332, Brazil
| | - Melissa Gurgel Adeodato Vieira
- School of Chemical Engineering, University of Campinas - UNICAMP, Albert Einstein Avenue, 500, Campinas, São Paulo, 13083-852, Brazil
| | - Patrícia Prediger
- School of Technology, University of Campinas - Unicamp, Limeira , São Paulo, CEP: 13484-332, Brazil.
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Islam AN, Saha P, Hossain ME, Habib MA, Karim KMR, Mahiuddin M. Green Coffee Bean Extract Assisted Facile Synthesis of Reduced Graphene Oxide and Its Dye Removal Activity. GLOBAL CHALLENGES (HOBOKEN, NJ) 2024; 8:2300247. [PMID: 38223893 PMCID: PMC10784199 DOI: 10.1002/gch2.202300247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 11/20/2023] [Indexed: 01/16/2024]
Abstract
To discharge the colored effluents from industries there needs to be effective and affordable treatment options. Adsorption using reduced graphene oxide (rGO) as an adsorbent is a prominent one. In this study, green coffee bean extract (GCBE) is utilized as a safe reducing agent for the reduction of graphene oxide (GO) to synthesize rGO. The formation of rGO is confirmed by a new peak in the UV-vis spectra at 275 nm and a diffraction peak in the XRD patterns at 22°. The effective formation of rGO is further substantiated by a change in the GO peak's properties in the FTIR, EDX, and Raman spectra and a weight loss change in TGA. The SEM and TEM analyses demonstrate the effective production of the nano-sheets of rGO having exfoliated and segregated in a few layers. Furthermore, the obtained rGO exhibited outstanding efficacy in wastewater cleanup, effectively adsorbing MB as a prototype organic dye. The kinetics and isotherm study suggested that the adsorption leads by the chemisorption and monolayer formation on the homogeneous surface of rGO. The maximum adsorption capacity is found to be 89.3 mg g-1. This process offers a fresh opportunity for the economical and safe production of rGO for wastewater treatment.
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Affiliation(s)
| | - Prianka Saha
- Chemistry DisciplineKhulna UniversityKhulna9208Bangladesh
| | | | | | | | - Md. Mahiuddin
- Chemistry DisciplineKhulna UniversityKhulna9208Bangladesh
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Patyal M, Verma D, Kaur K, Gupta N, Malik AK. Development of a novel green catalyzed nanostructured Cu(II) macrocyclic complex-based disposable electrochemical sensor for sensitive detection of bisphenol A in environmental samples. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 336:122420. [PMID: 37611790 DOI: 10.1016/j.envpol.2023.122420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 07/24/2023] [Accepted: 08/18/2023] [Indexed: 08/25/2023]
Abstract
BPA is an endocrine disruptor and the leading environmental pollutant due to its use as raw material in industries. Therefore, the present work reports the sensitive, efficient, and disposable electrochemical paper-based SPE for determining the BPA sensor using an amide-based macrocyclic complex (nanostructured complex of copper acetate with macrocyclic ligand, i.e., CuL (CH3COO)2) synthesized using Citrus limon (lemon) extract via sonication for the first time. The structural, morphological, and electrochemical analyses have been characterized by mass spectroscopy, FTIR, UV-Vis, XRD, FESEM-EDX, elemental mapping and electrochemical techniques. The sensor platform for detecting BPA was fabricated by simple drop-casting on the disposable paper-based SPE using macrocyclic complex, i.e., CuL (CH3COO)2/SPE. After optimizing the conditions, CuL (CH3COO)2/SPE electrode was employed for determining BPA via CV with a wide linear range of 31 × 10-9 μM-0.205 μM, low LOD of 0.027 nM, and high sensitivity of 49.71 μA (log nM)-1 cm-2 having correlation coefficient (R2) of 0.976 which is quite better in compared to other reported SPE sensor for detection of BPA. Further, our sensor also showed good selectivity and reproducibility, in addition to detecting BPA in environmental samples (tube well water, river water and drain water) with acceptable recoveries and RSDs values. In this work, the combination of macrocyclic complex and paper-based SPE has turned out to be a cost-effective electrochemical sensor.
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Affiliation(s)
- Meenakshi Patyal
- Department of Chemistry, Punjabi University, Patiala, Punjab, India
| | - Damini Verma
- Special Centre for Nanoscience, Jawaharlal Nehru University, New Delhi, India
| | - Kirandeep Kaur
- Department of Chemistry, Punjabi University, Patiala, Punjab, India
| | - Nidhi Gupta
- Department of Chemistry, Punjabi University, Patiala, Punjab, India.
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Dave PN, Sirach R. Effects of Barium‐Copper‐Cobalt oxide composites supported on reduced graphene oxide in the thermolysis of ammonium perchlorate and 3‐nitro‐1,2,4‐triazol‐5‐one. ChemistrySelect 2023. [DOI: 10.1002/slct.202204797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Affiliation(s)
- Pragnesh N. Dave
- Department of Chemistry Sardar Patel University Vallabh Vidyanagar 388 120 Gujarat India
| | - Ruksana Sirach
- Department of Chemistry Sardar Patel University Vallabh Vidyanagar 388 120 Gujarat India
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Manikandan V, Lee NY. Reduced graphene oxide: Biofabrication and environmental applications. CHEMOSPHERE 2023; 311:136934. [PMID: 36273614 DOI: 10.1016/j.chemosphere.2022.136934] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 10/04/2022] [Accepted: 10/16/2022] [Indexed: 06/16/2023]
Abstract
Green synthesis of high-quality reduced graphene oxide (rGO) from agro-industrial waste resources remains attractive owing to its outstanding environmental benefits. The remarkable properties of rGO include excellent morphology, uniform particle size, good optical properties, high conductivity, nontoxicity, and extraordinary chemical stability. Traditional methods for the synthesis of rGO nanomaterials involve several chemical reactions including oxidation, carbonization, toxic solvent, and pyrolysis which produce harmful byproducts. Green preparation of rGO is an emerging area of research in graphene technology which is cost-effective and sustainable in the procedure. Owing to the uniform particle rGO particle size, these smart nanomaterials have wide applicability, including in metal ions and pollutant sensing and adsorption, photocatalysis, optoelectrical devices, medical diagnosis, and drug delivery. Here we review the physicochemical properties of rGO, the biowaste sources and green methods of rGO synthesis, and the diverse applications of rGO, including in water purification and the biomedical fields. With this review, covering more than 200 research articles published on rGO in the last eight years ending in 2022, we aim to provide a quick guide for researchers seeking up-to-date information on the properties, production, and applicability of rGO, with special attention to rGO applications in water purification and the biomedical fields.
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Affiliation(s)
- Velu Manikandan
- Department of BioNano Technology, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si, Gyeonggi-do, 13120, South Korea
| | - Nae Yoon Lee
- Department of BioNano Technology, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si, Gyeonggi-do, 13120, South Korea.
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Non-Functionalized Oil Palm Waste-derived Reduced Graphene Oxide for Methylene Blue Removal: Isotherm, Kinetics, Thermodynamics, and Mass Transfer Mechanism. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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