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Thakur S, Badoni A, Samriti, Sharma P, Ojha A, Swart HC, Kuznetsov AY, Prakash J. Standalone Highly Efficient Graphene Oxide as an Emerging Visible Light-Driven Photocatalyst and Recyclable Adsorbent for the Sustainable Removal of Organic Pollutants. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:18486-18502. [PMID: 39172065 DOI: 10.1021/acs.langmuir.4c01727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/23/2024]
Abstract
Carbon-based nanostructures are promising eco-friendly multifunctional nanomaterials because of their tunable surface and optoelectronic properties for a variety of energy and environmental applications. The present study focuses on the synthesis of graphene oxide (GO) with particular emphasis on engineering its surface and optical properties for making it an excellent adsorbent as well as a visible light-active photocatalyst. It was achieved by modifying the improved Hummers method through optimizing the synthesis parameters involved in the oxidation process. This controlled synthesis allows for systematic tailoring of structural, optical, and surface functionality, leading to improved adsorption and photocatalytic properties for the sustainable removal of organic pollutants in water treatment. Several spectroscopic and microscopic characterization techniques, such as XRD, SEM, Raman, UV-visible, FTIR, TEM, XPS, BET, etc. were employed to analyze the degree of oxidation, surface chemistry/functionalization, morphological, optical, and structural properties of the synthesized GO nanostructures. The analyses showed excellent surface functionality with surface active sites for better adsorptive removal and a tunable band gap from 2.51 to 2.76 eV exhibiting excellent natural sunlight activity (>99%) for photocatalytic removal of the organic pollutant. Various adsorption isotherms have been studied with excellent adsorption capability (Qmax = 454.54 mg/g) as compared to the literature. The study introduces GO both as a proficient stand-alone (sole) nanoadsorbent as well as a nanophotocatalyst for the efficient removal of organic dye pollutants in water treatment. Additionally, the article highlights the sustainable solar light-induced green chemistry aspects of GO as an excellent recyclable adsorbent as a result of its self-cleaning ability under natural sunlight, demonstrating its potential in real eco-friendly environmental and practical applications.
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Affiliation(s)
- Sahil Thakur
- Department of Chemistry, National Institute of Technology Hamirpur, Hamirpur (H.P.) 177005, India
| | - Ayush Badoni
- Department of Chemistry, National Institute of Technology Hamirpur, Hamirpur (H.P.) 177005, India
| | - Samriti
- Department of Chemistry, National Institute of Technology Hamirpur, Hamirpur (H.P.) 177005, India
| | - Pratibha Sharma
- Department of Chemistry, National Institute of Technology Hamirpur, Hamirpur (H.P.) 177005, India
| | - Abhijeet Ojha
- Department of Materials Science and Engineering, National Institute of Technology Hamirpur, Hamirpur (H.P.) 177005, India
| | - Hendrik C Swart
- Department of Physics, University of the Free State, Bloemfontein 9301, Republic of South Africa
| | - Andrej Yu Kuznetsov
- Department of Physics, Centre for Materials Science and Nanotechnology, University of Oslo, Oslo N-0316, Norway
| | - Jai Prakash
- Department of Chemistry, National Institute of Technology Hamirpur, Hamirpur (H.P.) 177005, India
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A Study of Methylene Blue Dye Interaction and Adsorption by Monolayer Graphene Oxide. ADSORPT SCI TECHNOL 2022. [DOI: 10.1155/2022/7385541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The graphene oxide (GO) interaction with methylene blue (MB) cationic dye was studied in an aqueous solution at different pH during MB adsorption. The mutual interaction of MB with GO surface was studied and evaluated by Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD). The π-π and electrostatic interaction of MB with GO surface are the main types of interactions, and the XRD data show the monomeric arrangement of MB cation with GO. The GO surface functional groups and point of zero charge (PZC) were determined by acid-base titration. Suitability of zeta-potential measurement and acid-base titration method was briefly discussed. The quality of prepared GO was evaluated by Raman spectroscopy, XRD, and atomic force microscope (AFM). The experimental adsorption equilibrium data were analyzed using Langmuir, Langmuir-Freundlich, Freundlich, and Temkin isotherms. The GO maximum adsorption capacity increases with higher pH, that is ascribed to the facile interaction of negatively charged GO with positively charged MB structure.
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Wang C, Chen X, Jiang Y, Li N, Zhu P, Xu H. Facile and green synthesis of reduced graphene oxide/loofah sponge for Streptomyces albulus immobilization and ε-poly-l-lysine production. BIORESOURCE TECHNOLOGY 2022; 349:126534. [PMID: 34896528 DOI: 10.1016/j.biortech.2021.126534] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 12/05/2021] [Accepted: 12/06/2021] [Indexed: 06/14/2023]
Abstract
Facile and green fabrication of reduced graphene oxide on loofah sponge (rGOLS) carrier was applied for cell immobilization of ε-Poly-l-lysine (ε-PL) production. Due to surface properties including large specific surface area, high polarity, and low interaction energy, rGOLS-1 was employed as the optimum rGOLS to enhance immobilization of Streptomyces albulus. Compared with raw LS, batch experiments showed rGOLS-1 facilitated superior cell vitality for ε-PL production due to the presence of reduced graphene oxide. In the sequential fed-batch cultivation of Streptomyces albulus using rGOLS-1 with an aerobic plant fibrous-bed bioreactor (rGOLS-1-AFPB), the maximum ε-PL concentration and productivity reached to 39.2 ± 0.63 g/L and 0.48 g/L/h. The cells immobilized in rGOLS-1 with high vitality and ε-PL production efficiency were reused six times over a period of 624 h. This research afforded an effective approach to enhance the fermentation performance of immobilized cells with the design of an advanced immobilization carrier.
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Affiliation(s)
- Cheng Wang
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China
| | - Xi Chen
- Nanjing Shangqin New Material Technology Company, Nanjing 210046, China
| | - Yingying Jiang
- Department of Physics, National University of Singapore, Singapore 117551, Singapore
| | - Na Li
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China
| | - Ping Zhu
- Institute of Agro-product Processing, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China
| | - Hong Xu
- College of Food Science and Light Industry, Nanjing Tech University, Nanjing 211816, China.
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Lin Z, Weng X, Khan NI, Owens G, Chen Z. Removal mechanism of Sb(III) by a hybrid rGO-Fe/Ni composite prepared by green synthesis via a one-step method. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 788:147844. [PMID: 34134369 DOI: 10.1016/j.scitotenv.2021.147844] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 05/07/2021] [Accepted: 05/15/2021] [Indexed: 06/12/2023]
Abstract
The annual influx of antimony (Sb) into the environment due to the widespread use of Sb compounds in industry and agriculture has become of global concern. Herein, a functional nanomaterial composite based on loading bimetallic iron/nickel nanoparticles on reduced graphene oxide (rGO-Fe/Ni) was initially prepared in a one-step phytogenic synthesis using a green tea extract. Subsequently, when applied for Sb(III) removal, the removal efficiency of rGO-Fe/Ni reached 69.7% within 3 h at an initial Sb concentration of 1.0 mg·L-1. Advanced materials characterization via scanning electron microscopy-energy dispersive X-ray spectroscopy and X-ray photoelectron spectroscopy revealed that Sb(III) was initially adsorbed onto the surface of rGO and then oxidized to Sb(V). This result was also supported by adsorption isotherm, kinetics, and thermodynamic analysis. These studies revealed that the adsorption was spontaneous and endothermic, following a Langmuir adsorption model with pseudo-second-order kinetics and allowed a Sb(III) removal mechanism based on adsorption and catalytic oxidation to be proposed. Furthermore, when rGO-Fe/Ni was practically used to remove Sb(III) in groundwater a 95.7% removal efficiency was obtained at 1 mg·L-1 Sb(III), thus successfully demonstrating that rGO-Fe/Ni has significant potential for the practical remediation of Sb contaminated groundwater.
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Affiliation(s)
- Ze Lin
- School of Environmental Science and Engineering, Fujian Normal University, Fuzhou 350007, Fujian Province, China
| | - Xiulan Weng
- School of Environmental Science and Engineering, Fujian Normal University, Fuzhou 350007, Fujian Province, China
| | - Nasreen Islam Khan
- Environmental Contaminants Group, Future Industries Institute, University of South Australia, Mawson Lakes Campus, Mawson Lakes, South Australia 5095, Australia
| | - Gary Owens
- Environmental Contaminants Group, Future Industries Institute, University of South Australia, Mawson Lakes Campus, Mawson Lakes, South Australia 5095, Australia
| | - Zuliang Chen
- School of Environmental Science and Engineering, Fujian Normal University, Fuzhou 350007, Fujian Province, China.
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Zhao C, Yan Y, Gao J, Yang L, Zhou J, Li H, Huang K, Wang D. A novel surface-active monomer decorating a self-floating adsorbent with high pH adaptability for anionic dyes: π-π stacking. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.114864] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Embedding of L–Arginine into graphene oxide (GO) for endotoxin removal from water: Modeling and optimization approach. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125491] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Yusuf M, Song K, Geng S, Fazhi X. Adsorptive removal of anionic dyes by graphene impregnated with MnO2 from aqueous solution. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124667] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Kabiri S, Andelkovic IB, da Silva RC, Degryse F, Baird R, Tavakkoli E, Losic D, McLaughlin MJ. Engineered Phosphate Fertilizers with Dual-Release Properties. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c00403] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Shervin Kabiri
- Fertiliser Technology Research Centre, School of Agriculture, Food and Wine, The University of Adelaide, PMB 1, Waite Campus, Glen Osmond, SA 5064, Australia
- School of Chemical Engineering, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Ivan B. Andelkovic
- Fertiliser Technology Research Centre, School of Agriculture, Food and Wine, The University of Adelaide, PMB 1, Waite Campus, Glen Osmond, SA 5064, Australia
- School of Chemical Engineering, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Rodrigo C. da Silva
- Fertiliser Technology Research Centre, School of Agriculture, Food and Wine, The University of Adelaide, PMB 1, Waite Campus, Glen Osmond, SA 5064, Australia
| | - Fien Degryse
- Fertiliser Technology Research Centre, School of Agriculture, Food and Wine, The University of Adelaide, PMB 1, Waite Campus, Glen Osmond, SA 5064, Australia
| | - Roslyn Baird
- Fertiliser Technology Research Centre, School of Agriculture, Food and Wine, The University of Adelaide, PMB 1, Waite Campus, Glen Osmond, SA 5064, Australia
| | - Ehsan Tavakkoli
- Fertiliser Technology Research Centre, School of Agriculture, Food and Wine, The University of Adelaide, PMB 1, Waite Campus, Glen Osmond, SA 5064, Australia
- NSW Department of Primary Industries, Wagga Wagga Agricultural Institute, Wagga Wagga, NSW 2650, Australia
- Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2650, Australia
| | - Dusan Losic
- School of Chemical Engineering, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Michael J. McLaughlin
- Fertiliser Technology Research Centre, School of Agriculture, Food and Wine, The University of Adelaide, PMB 1, Waite Campus, Glen Osmond, SA 5064, Australia
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9
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Khani R, Irani M. A reusable reduced graphene oxide-cobalt oxide nanocomposite with excellent yield as adsorbent for determination trace-level of brilliant green in environmental water samples. RESEARCH ON CHEMICAL INTERMEDIATES 2020. [DOI: 10.1007/s11164-020-04083-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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10
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Jun BM, Kim S, Kim Y, Her N, Heo J, Han J, Jang M, Park CM, Yoon Y. Comprehensive evaluation on removal of lead by graphene oxide and metal organic framework. CHEMOSPHERE 2019; 231:82-92. [PMID: 31128355 DOI: 10.1016/j.chemosphere.2019.05.076] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 04/24/2019] [Accepted: 05/11/2019] [Indexed: 06/09/2023]
Abstract
Graphene oxide (GO) and metal-organic framework (MOF) as adsorbents were applied to removal of Pb(II) with comprehensive characterizations and various experimental conditions. Various characterizations were conducted to clarify the physico-chemical properties of adsorbents. The analyses of adsorption experiments included (i) dosage amounts, (ii) isotherm and kinetic studies, and (iii) several factors related to water chemistry (i.e., solution pH, background ions, and humic acid). The maximum equilibrium adsorption capacity (qe) for Pb(II) using the GO and MOF was 555 and 108 mg g-1, respectively, as determined in the optimum dosage experiments. Although the surface area of the MOF (629 m2 g-1) was much larger than that of the GO (19.8 m2 g-1), the adsorption capacity of the MOF was five times lower due to electrical repulsion. Thus, the MOF was utilized as the control group for comparison with the GO to evaluate the adsorption mechanisms in the experiments related to surface charge (i.e., under various pH and humic acid conditions). The adsorption isotherms and kinetics model determined using GO followed the Langmuir model (R2 > 0.99) and pseudo-second-order model (R2 > 0.99), respectively. Additionally, three adsorption-desorption cycles were conducted with the GO adsorbent to evaluate the maintenance of the removal ratio after regeneration and the equilibrium adsorption capacity was determined. Finally, the adsorption of other heavy metals (i.e., Cu(II), Cd(II), and Zn(II)), separately and in mixtures, was also evaluated to determine the selectivity of the adsorbents.
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Affiliation(s)
- Byung-Moon Jun
- Department of Civil and Environmental Engineering, University of South Carolina, Columbia, 300 Main Street, SC, 29208, USA
| | - Sewoon Kim
- Department of Civil and Environmental Engineering, University of South Carolina, Columbia, 300 Main Street, SC, 29208, USA
| | - Yejin Kim
- Department of Environmental Engineering, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, Republic of Korea; Department of Civil and Environmental Engineering, Korea Army Academy at Youngcheon, 495 Hogook-ro, Gokyungmeon, Youngcheon, Gyeongbuk, 38900, Republic of Korea
| | - Namguk Her
- Department of Civil and Environmental Engineering, Korea Army Academy at Youngcheon, 495 Hogook-ro, Gokyungmeon, Youngcheon, Gyeongbuk, 38900, Republic of Korea
| | - Jiyong Heo
- Department of Civil and Environmental Engineering, Korea Army Academy at Youngcheon, 495 Hogook-ro, Gokyungmeon, Youngcheon, Gyeongbuk, 38900, Republic of Korea
| | - Jonghun Han
- Department of Civil and Environmental Engineering, Korea Army Academy at Youngcheon, 495 Hogook-ro, Gokyungmeon, Youngcheon, Gyeongbuk, 38900, Republic of Korea
| | - Min Jang
- Department of Environmental Engineering, Kwangwoon University, 447-1, Wolgye-Dong Nowon-Gu, Seoul, Republic of Korea
| | - Chang Min Park
- Department of Environmental Engineering, Kyungpook National University, 80 Daehak-ro, Buk-gu, Daegu, 41566, Republic of Korea.
| | - Yeomin Yoon
- Department of Civil and Environmental Engineering, University of South Carolina, Columbia, 300 Main Street, SC, 29208, USA.
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11
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Lin Z, Weng X, Ma L, Sarkar B, Chen Z. Mechanistic insights into Pb(II) removal from aqueous solution by green reduced graphene oxide. J Colloid Interface Sci 2019; 550:1-9. [DOI: 10.1016/j.jcis.2019.04.078] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/31/2019] [Accepted: 04/25/2019] [Indexed: 01/16/2023]
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12
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Suresh R, Udayabhaskar R, Sandoval C, Ramírez E, Mangalaraja RV, Mansilla HD, Contreras D, Yáñez J. Effect of reduced graphene oxide on the structural, optical, adsorption and photocatalytic properties of iron oxide nanoparticles. NEW J CHEM 2018. [DOI: 10.1039/c8nj00321a] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Effect of reduced graphene oxide on the structural and photocatalytic properties of Fe2O3 nanoparticles.
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Affiliation(s)
- R. Suresh
- Department of Analytical and Inorganic Chemistry, Faculty of Chemical Sciences, University of Concepción
- Chile
| | - R. Udayabhaskar
- Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepcion
- Concepción
- Chile
| | - Claudio Sandoval
- Department of Analytical and Inorganic Chemistry, Faculty of Chemical Sciences, University of Concepción
- Chile
| | - Eimmy Ramírez
- Department of Analytical and Inorganic Chemistry, Faculty of Chemical Sciences, University of Concepción
- Chile
| | - R. V. Mangalaraja
- Advanced Ceramics and Nanotechnology Laboratory, Department of Materials Engineering, Faculty of Engineering, University of Concepcion
- Concepción
- Chile
| | - Héctor D. Mansilla
- Department of Organic Chemistry, Faculty of Chemical Sciences, University of Concepción
- Concepción
- Chile
| | - David Contreras
- Department of Analytical and Inorganic Chemistry, Faculty of Chemical Sciences, University of Concepción
- Chile
- Centre for Biotechnology, University of Concepcion
- Concepción
- Chile
| | - Jorge Yáñez
- Department of Analytical and Inorganic Chemistry, Faculty of Chemical Sciences, University of Concepción
- Chile
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A novel lignin-based nanofibrous dressing containing arginine for wound-healing applications. Drug Deliv Transl Res 2017; 8:111-122. [DOI: 10.1007/s13346-017-0441-0] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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14
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Hoseinpour Najar M, Minaiyan M, Taheri A. Preparation and in vivo evaluation of a novel gel-based wound dressing using arginine–alginate surface-modified chitosan nanofibers. J Biomater Appl 2017; 32:689-701. [DOI: 10.1177/0885328217739562] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The development of an effective wound dressing with the ability to induce skin wound healing is a great challenge in medicine. Nanofibers are highly attractive for wound dressing preparation due to their properties such as hemostasis induction, good absorption of wound exudates, and facilitation of cell growth. Chitosan nanofibers have attracted great attention for application in wound dressings due to their accelerating effects on wound healing. In this study, arginine surface-modified chitosan nanofibers were successfully prepared by attachment of arginine molecules on the surface of chitosan nanofibers using sodium alginate through electrostatic interaction. The effect of pH on the amount of attached arginine was evaluated at three different pH values; 5, 6, and 7. Fourier-transform infrared spectroscopy and zeta potential of chitosan nanofibers before and after surface modification suggested the occurrence of the attachment of arginine to chitosan nanofibers. Scanning electron microscope images showed the nanofibrous structure of arginine surface-modified chitosan nanofibers with an average diameter ranging from 100 nm to 150 nm. The release of arginine from arginine surface-modified chitosan nanofibers gel showed a sustained release manner. The suitable viscosity and spreadability of arginine surface-modified chitosan nanofibers gel verified its easy application at the wound site. Arginine surface-modified chitosan nanofibers gel significantly improved the wound healing process including wound closure when tested in vivo using rat model. Additionally, histological examination and immunohistochemical studies showed the significant enhancement of the re-epithelialization, collagen deposition, and angiogenesis in the skin of the animal group treated with arginine surface-modified chitosan nanofibers gel compared with the other control groups. These results suggested that arginine surface-modified chitosan nanofibers gel could be introduced as an effective wound dressing.
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Affiliation(s)
- Mahsa Hoseinpour Najar
- Novel Drug Delivery Systems Research Center, Department of Pharmaceutics, Faculty of Pharmacy, Isfahan University of Medical sciences, Isfahan, Iran
| | - Mohsen Minaiyan
- Department of Pharmacology and Isfahan Pharmaceutical Sciences Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Azade Taheri
- Novel Drug Delivery Systems Research Center, Department of Pharmaceutics, Faculty of Pharmacy, Isfahan University of Medical sciences, Isfahan, Iran
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Rahman MM, Hussain MM, Asiri AM. Fabrication of 3-methoxyphenol sensor based on Fe3O4 decorated carbon nanotube nanocomposites for environmental safety: Real sample analyses. PLoS One 2017; 12:e0177817. [PMID: 28938019 PMCID: PMC5609863 DOI: 10.1371/journal.pone.0177817] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2016] [Accepted: 05/03/2017] [Indexed: 01/15/2023] Open
Abstract
Iron oxide ornamented carbon nanotube nanocomposites (Fe3O4.CNT NCs) were prepared by a wet-chemical process in basic means. The optical, morphological, and structural characterizations of Fe3O4.CNT NCs were performed using FTIR, UV/Vis., FESEM, TEM; XEDS, XPS, and XRD respectively. Flat GCE had been fabricated with a thin-layer of NCs using a coating binding agent. It was performed for the chemical sensor development by a dependable I-V technique. Among all interfering analytes, 3-methoxyphenol (3-MP) was selective towards the fabricated sensor. Increased electrochemical performances for example elevated sensitivity, linear dynamic range (LDR) and continuing steadiness towards selective 3-MP had been observed with chemical sensor. The calibration graph found linear (R2 = 0.9340) in a wide range of 3-MP concentration (90.0 pM ~ 90.0 mM). The limit of detection and sensitivity were considered as 1.0 pM and 9×10-4 μAμM-1cm-2 respectively. The prepared of Fe3O4.CNT NCs by a wet-chemical progression is an interesting route for the development of hazardous phenolic sensor based on nanocomposite materials. It is also recommended that 3-MP sensor is exhibited a promising performances based on Fe3O4.CNT NCs by a facile I-V method for the significant applications of toxic chemicals for the safety of environmental and health-care fields.
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Affiliation(s)
- Mohammed M. Rahman
- Chemistry Department, King Abdulaziz University, Jeddah, Saudi Arabia
- Center of Excellence for Advanced Material Research (CEAMR), King Abdulaziz University, Jeddah, Saudi Arabia
| | - Mohammad Musarraf Hussain
- Chemistry Department, King Abdulaziz University, Jeddah, Saudi Arabia
- Center of Excellence for Advanced Material Research (CEAMR), King Abdulaziz University, Jeddah, Saudi Arabia
| | - Abdullah M. Asiri
- Chemistry Department, King Abdulaziz University, Jeddah, Saudi Arabia
- Center of Excellence for Advanced Material Research (CEAMR), King Abdulaziz University, Jeddah, Saudi Arabia
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Balkhoyor HB, Rahman MM, Asiri AM. Effect of Ce doping into ZnO nanostructures to enhance the phenolic sensor performance. RSC Adv 2016. [DOI: 10.1039/c6ra10863f] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Various Ce-doped ZnO nanostructures (Ce/ZnO NSs) were prepared by a facile wet chemical method using reducing agents in alkaline medium.
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Affiliation(s)
| | - Mohammed M. Rahman
- Chemistry Department
- King Abdulaziz University
- Jeddah 21589
- Saudi Arabia
- Center of Excellence for Advanced Materials Research (CEAMR)
| | - Abdullah M. Asiri
- Chemistry Department
- King Abdulaziz University
- Jeddah 21589
- Saudi Arabia
- Center of Excellence for Advanced Materials Research (CEAMR)
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17
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Dwivedi AD, Dubey SP, Sillanpää M, Kwon YN, Lee C, Varma RS. Fate of engineered nanoparticles: Implications in the environment. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2014.12.014] [Citation(s) in RCA: 113] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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18
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Cheng W, Wang M, Yang Z, Sun Y, Ding C. The efficient enrichment of U(vi) by graphene oxide-supported chitosan. RSC Adv 2014. [DOI: 10.1039/c4ra09541c] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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19
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Wang J, Gao X, Wang Y, Gao C. Novel graphene oxide sponge synthesized by freeze-drying process for the removal of 2,4,6-trichlorophenol. RSC Adv 2014. [DOI: 10.1039/c4ra09995h] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Graphene oxide (GO) spongy materials as environmental pollutant scavengers have drawn great attention owing to their ultralarge surface area, unique spongy structure and hydrogen-bonding interactions.
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Affiliation(s)
- Jiali Wang
- Key Laboratory of Marine Chemistry Theory and Technology
- Ministry of Education
- Ocean University of China
- Qingdao 266100, China
- College of Chemistry and Chemical Engineering
| | - Xueli Gao
- Key Laboratory of Marine Chemistry Theory and Technology
- Ministry of Education
- Ocean University of China
- Qingdao 266100, China
- College of Chemistry and Chemical Engineering
| | - Yuhong Wang
- National Center of Ocean Standards and Metrology
- Tianjin 300112, China
| | - Congjie Gao
- Key Laboratory of Marine Chemistry Theory and Technology
- Ministry of Education
- Ocean University of China
- Qingdao 266100, China
- College of Chemistry and Chemical Engineering
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