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Kałamaga A, Wróbel RJ. The Impact of N/O-Functional Groups on the Sorption Capabilities of Activated Carbons Derived from Furfuryl Alcohol. Molecules 2024; 29:987. [PMID: 38474499 DOI: 10.3390/molecules29050987] [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: 01/23/2024] [Revised: 02/15/2024] [Accepted: 02/22/2024] [Indexed: 03/14/2024] Open
Abstract
This work describes the effect of nitrogen and oxygen functional groups on the sorption properties of activated carbons produced from furfuryl alcohol. The poly(furfuryl) alcohol underwent carbonization in nitrogen, ammonia, and ammonia and air (in a 3:2 proportion) atmospheres at 600 °C for 4 h. The resulting materials were subsequently activated in a carbon dioxide atmosphere for 1 h at temperatures of 700 °C, 800 °C, 900 °C, and 1000 °C. The X-ray photoelectron spectroscopy (XPS) findings suggest that ammoxidation is superior to amination in terms of nitrogen doping. The maximum nitrogen concentration achieved after ammoxidation was 25 at.%, which decreased to 4 at.% after activation. Additionally, it was observed that oxygen functional groups have a greater impact on porous structure development compared to nitrogen functional groups. The materials activated through carbonization under an ammonia/air atmosphere attained the highest oxygen concentration of roughly 19 at.% as confirmed by XPS. The materials were evaluated for their sorption capacities for carbon dioxide and ethylene, which were 2.2 mmol/g and 2.9 mmol/g, respectively, at 30 °C.
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Affiliation(s)
- Agnieszka Kałamaga
- Department of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology, Piastów 17 Ave., 70-310 Szczecin, Poland
| | - Rafał J Wróbel
- Department of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology, Piastów 17 Ave., 70-310 Szczecin, Poland
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Wang W, Dong Q, Mao Y, Zhang Y, Gong T, Li H. GO accelerate iron oxides formation and tetrabromobisphenol A removal enhancement in the GO loaded NZVI system. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 316:120512. [PMID: 36309300 DOI: 10.1016/j.envpol.2022.120512] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 10/17/2022] [Accepted: 10/21/2022] [Indexed: 06/16/2023]
Abstract
Tetrabromobisphenol A (TBBPA) is an emerging persistent organic pollutant, which is very difficult to remove by common methods. In this study, the GO-load nanoscale zero-valent iron (NZVI/GO) was fabricated and optimized to improve the reaction rate and removal efficiency for TBBPA reliably and efficiently. The results showed that GO-load significantly reduced the self-aggregation of NZVI and the aggregate size decreased by 50.00% (1400-700 nm). Meanwhile, GO significantly improved the reaction rate kobs (1.11 ± 0.11 h-1) of TBBPA in the NZVI/GO system compared to the NZVI (0.40 ± 0.08 h-1) system, and this increment was more pronounced (177.5%) when the mass ratio of NZVI-to-GO reached 1.0 than other mass ratios. Furthermore, X-Ray Diffraction and X-ray photoelectron spectroscopy analysis suggested that the Fe2+ transformation was changed and enriched by the GO. Only magnetite (Fe3O4) was detected on the surface of NZVI, whereas the maghemite (γ-Fe2O3), hematite (α-Fe2O3), and Fe3O4 were detected on the interface of NZVI/GO, which further performed the complexation adsorption through the -OH of TBBPA. This specific complexation adsorption is another potential accelerated removal mechanism for TBBPA and intermediates within the NZVI/GO system. This research has put forward a new perspective for widening the application of TBBPA removal using the synergistic effect between GO and NZVI.
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Affiliation(s)
- Wenbing Wang
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Qianling Dong
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Yitao Mao
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Yifan Zhang
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Tiantian Gong
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China
| | - Hui Li
- School of Environmental and Chemical Engineering, Shanghai University, Shanghai, 200444, China.
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Espina A, Cañamares MV, Jurašeková Z, Sanchez-Cortes S. Analysis of Iron Complexes of Tannic Acid and Other Related Polyphenols as Revealed by Spectroscopic Techniques: Implications in the Identification and Characterization of Iron Gall Inks in Historical Manuscripts. ACS OMEGA 2022; 7:27937-27949. [PMID: 35990485 PMCID: PMC9386834 DOI: 10.1021/acsomega.2c01679] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 07/22/2022] [Indexed: 06/15/2023]
Abstract
In this work, a structural analysis of the polyphenol complexes with iron and copper at several conditions is reported. The investigated polyphenols were tannic acid, gallic acid, pyrogallol, and syringic acid, being components and molecular models of the gallnuts usually employed in the past in fabrication of iron gall inks (IGIs). Commercial tannic acid extracted from gallnuts, which is a complex mixture of different gallotannins and simpler galloylglucoses, was also employed in this analysis. This analysis comprised the use of Raman, Fourier-transform infrared (FTIR), UV-vis absorption, and fluorescence spectroscopy. The complexation of iron with these molecules leads to a strong change in color due to the deep restructuring of the polyphenol that can be clearly seen by Raman and FTIR spectra. Three main Raman bands appeared at 1450-1490 cm-1 (ν1), 1320-1345 cm-1 (ν2), and 400-650 cm-1 (ν3), which are characteristic of the metal complexes. The structural changes of the polyphenol complexes with iron were also investigated at different pHs and different polyphenol/iron stoichiometries. Other effects of the interaction of polyphenols with iron are the pH decrease of the mixture upon metal complexation and fluorescence quenching induced by the interaction of iron. This quenching is important since it facilitates the Raman inspection of manuscripts since polyphenols show a strong fluorescence emission that overlaps the Raman spectrum. Furthermore, DFT calculations were performed for the first time on the gallic acid complex with iron in order to elaborate a detailed assignment of the vibrational modes of polyphenols and their metal complexes, something that was missed in previous applications of Raman to IGIs.
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Affiliation(s)
- Alba Espina
- Department of Biophysics, Faculty of Science, P. J. Safarik University, Kosice 04154, Slovakia
| | | | - Zuzana Jurašeková
- Department of Biophysics, Faculty of Science, P. J. Safarik University, Kosice 04154, Slovakia
| | - Santiago Sanchez-Cortes
- Instituto de Estructura de la Materia (CSIC), Serrano, 121. Madrid 28006, Spain
- Center for Interdisciplinary Biosciences, Technology and Innovation Park, P. J. Safarik University, Kosice 04154, Slovakia
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Incorporation of silver nanoparticles into active antimicrobial nanocomposites: Release behavior, analyzing techniques, applications and safety issues. Adv Colloid Interface Sci 2021; 293:102440. [PMID: 34022748 DOI: 10.1016/j.cis.2021.102440] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 05/09/2021] [Accepted: 05/09/2021] [Indexed: 02/08/2023]
Abstract
Employing new strategies to develop novel composite systems has become a popular area of interest among researchers. Raising people's awareness and their attention to the health and safety issues are key parameters to achieve this purpose. One of the recommended strategies is the utilization of nanoparticles within the matrix of composite materials to improve their physical, mechanical, structural and antimicrobial characteristics. Silver nanoparticles (Ag NPs) have attracted much attention for nanocomposite applications mainly due to their antimicrobial characteristics. Herein, the current review will focus on the different methods for preparing antimicrobial nanocomposites loaded with Ag NPs, the release of Ag NPs from these nanostructures in different media, analyzing techniques for the evaluation of Ag release from nanocomposites, potential applications, and safety issues of nanocomposites containing Ag NPs. The applications of Ag NPs-loaded nanocomposites have been extensively established in food, biomedical, textile, environmental and pharmacological areas mainly due to their antibacterial attributes. Several precautions should be addressed before implementation of Ag NPs in nanocomposites due to the health and safety issues.
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Bagheri M, Jafari SM, Eikani MH. Ultrasonic-assisted production of zero-valent iron-decorated graphene oxide/activated carbon nanocomposites: Chemical transformation and structural evolution. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 118:111362. [DOI: 10.1016/j.msec.2020.111362] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Revised: 07/02/2020] [Accepted: 08/05/2020] [Indexed: 12/19/2022]
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Joz Majidi H, Babaei A, Kazemi‐Pasarvi S, Arab‐Bafrani Z, Amiri M. Tuning polylactic acid scaffolds for tissue engineering purposes by incorporating graphene oxide‐chitosan nano‐hybrids. POLYM ADVAN TECHNOL 2020. [DOI: 10.1002/pat.5202] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Hoomaan Joz Majidi
- Department of Polymer Engineering, Faculty of Engineering Golestan University Gorgan Iran
| | - Amir Babaei
- Department of Polymer Engineering, Faculty of Engineering Golestan University Gorgan Iran
| | - Sina Kazemi‐Pasarvi
- Department of Polymer Engineering, Faculty of Chemical Engineering Tarbiat Modares University Tehran Iran
| | - Zahra Arab‐Bafrani
- Metabolic Disorders Research Center Golestan University of Medical Sciences Gorgan Iran
- Department of Biochemistry and Biophysics, Faculty of Medicine Golestan University of Medical Sciences Gorgan Iran
| | - Mehrasa Amiri
- Department of Polymer Engineering, Faculty of Engineering Golestan University Gorgan Iran
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Detection of food spoilage and adulteration by novel nanomaterial-based sensors. Adv Colloid Interface Sci 2020; 286:102297. [PMID: 33142210 DOI: 10.1016/j.cis.2020.102297] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 10/13/2020] [Accepted: 10/22/2020] [Indexed: 02/06/2023]
Abstract
Food industry is always looking for more innovative and accurate ways to monitor the food safety and quality control of final products. Current detection techniques of analytes are costly and time-consuming, and occasionally require professional experts and specialized tools. The usage of nanomaterials in sensory systems has eliminated not only these drawbacks but also has advantages such as higher sensitivity and selectivity. This article first presents a general overview of the current studies conducted on the detection of spoilage and adulteration in foods from 2015 to 2020. Then, the sensory properties of nanomaterials including metal and magnetic nanoparticles, carbon nanostructures (nanotubes, graphene and its derivatives, and nanofibers), nanowires, and electrospun nanofibers are presented. The latest investigations and advancements in the application of nanomaterial-based sensors in detecting spoilage (food spoilage pathogens, toxins, pH changes, and gases) and adulterants (food additives, glucose, melamine, and urea) have also been discussed in the following sections. To conclude, these sensors can be applied in the smart packaging of food products to meet the demand of consumers in the new era.
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Rajabi H, Jafari SM, Feizy J, Ghorbani M, Mohajeri SA. Preparation and characterization of 3D graphene oxide nanostructures embedded with nanocomplexes of chitosan- gum Arabic biopolymers. Int J Biol Macromol 2020; 162:163-174. [DOI: 10.1016/j.ijbiomac.2020.06.076] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/03/2020] [Accepted: 06/08/2020] [Indexed: 12/20/2022]
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Azizi-Lalabadi M, Hashemi H, Feng J, Jafari SM. Carbon nanomaterials against pathogens; the antimicrobial activity of carbon nanotubes, graphene/graphene oxide, fullerenes, and their nanocomposites. Adv Colloid Interface Sci 2020; 284:102250. [PMID: 32966964 DOI: 10.1016/j.cis.2020.102250] [Citation(s) in RCA: 89] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/22/2020] [Accepted: 08/24/2020] [Indexed: 02/07/2023]
Abstract
Recently, antibiotic resistance of pathogens has grown given the excessive and inappropriate usage of common antimicrobial agents. Hence, producing novel antimicrobial compounds is a necessity. Carbon nanomaterials (CNMs) such as carbon nanotubes, graphene/graphene oxide, and fullerenes, as an emerging class of novel materials, can exhibit a considerable antimicrobial activity, especially in the nanocomposite forms suitable for different fields including biomedical and food applications. These nanomaterials have attracted a great deal of interest due to their broad efficiency and novel features. The most important factor affecting the antimicrobial activity of CNMs is their size. Smaller particles with a higher surface to volume ratio can easily attach onto the microbial cells and affect their cell membrane integrity, metabolic procedures, and structural components. As these unique characteristics are found in CNMs, a wide range of possibilities have raised in terms of antimicrobial applications. This study aims to cover the antimicrobial activities of CNMs (both as individual forms and in nanocomposites) and comprehensively explain their mechanisms of action. The results of this review will present a broad perspective, summarizes the most remarkable findings, and provides an outlook regarding the antimicrobial properties of CNMs and their potential applications.
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Joz Majidi H, Mirzaee A, Jafari SM, Amiri M, Shahrousvand M, Babaei A. Fabrication and characterization of graphene oxide-chitosan-zinc oxide ternary nano-hybrids for the corrosion inhibition of mild steel. Int J Biol Macromol 2020; 148:1190-1200. [DOI: 10.1016/j.ijbiomac.2019.11.060] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Revised: 10/30/2019] [Accepted: 11/07/2019] [Indexed: 10/25/2022]
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Investigating the best strategy to diminish the toxicity and enhance the antibacterial activity of graphene oxide by chitosan addition. Carbohydr Polym 2019; 225:115220. [DOI: 10.1016/j.carbpol.2019.115220] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 08/05/2019] [Accepted: 08/19/2019] [Indexed: 12/17/2022]
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