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Al-Khazaali WMK, Ataei SA, Khesareh S. Biodesulfurization of Fossil Fuels: Analysis and Prospective. F1000Res 2023; 12:1116. [PMID: 38533421 PMCID: PMC10964007 DOI: 10.12688/f1000research.133427.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/04/2023] [Indexed: 03/28/2024] Open
Abstract
Biodesulfurization (BDS) of fossil fuels is a promising method for treating the high content of sulfur in crude oils and their derivatives in the future, attributed to its environmental-friendly nature and the technical efficient ability to desulfurize the organosulfur compounds recalcitrant on other techniques. It was found that the bioreaction rate depends on the treated fluid, targeting sulfur compounds, and the microorganism applied. Also, many studies investigated the operation conditions, specificity, and biocatalysts modification to develop BDS efficiency. Furthermore, mathematical kinetics models were formulated to represent the process. In this review, the previous studies are analyzed and discussed. This review article is characterized by a clear picture of all BDS's experimental, industrial, procedural, theoretical, and hypothetical points.
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Affiliation(s)
| | - Seyed Ahmad Ataei
- Department of Chemical Engineering, Faculty of Engineering, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Saeed Khesareh
- Department of Chemical Engineering, Faculty of Engineering, Shahid Bahonar University of Kerman, Kerman, Iran
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Nor FHM, Abdullah S, Ibrahim Z, Nor MHM, Osman MI, Al Farraj DA, AbdelGawwad MR, Kamyab H. Role of extremophilic Bacillus cereus KH1 and its lipopeptide in treatment of organic pollutant in wastewater. Bioprocess Biosyst Eng 2023; 46:381-391. [PMID: 35779113 DOI: 10.1007/s00449-022-02749-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 06/13/2022] [Indexed: 12/01/2022]
Abstract
An effective biosurfactant producer and extremophiles bacteria, Bacillus cereus KH1, was isolated from textile effluent and the biosurfactant was produced using molasses as the sole carbon source. Growth parameters such as pH, temperature, salinity and concentration of molasses were optimised for decolourising the textile effluent with 24-h incubation. The biosurfactant property of B. cereus KH1 was evaluated based on haemolytic activity, oil displacement technique, drop-collapsing test and emulsification index. The results of the produced biosurfactant showed a positive reaction in haemolytic activity, oil displacement technique, drop-collapsing test and exhibiting a 67% emulsification index. The cell-free broth was stable in 40 °C pH 7, 7% salinity and 7% molasses. Thin-Layer Chromatography and Fourier Transform Infrared Spectroscopy analysis revealed that the biosurfactant was a lipopeptide with a yield 2.98 g L-1. These findings proved the synergistic action of B. cereus KH1 with lipopeptide biosurfactant may accelerated the decolourisation efficiency to 87%.
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Affiliation(s)
- Farhah Husna Mohd Nor
- Department of Physics and Chemistry, Faculty of Applied Sciences and Technology, Universiti Tun Hussein Onn Malaysia, Pagoh Education Hub, Pagoh, 84600, Muar, Johor, Malaysia
| | - Shakila Abdullah
- Department of Physics and Chemistry, Faculty of Applied Sciences and Technology, Universiti Tun Hussein Onn Malaysia, Pagoh Education Hub, Pagoh, 84600, Muar, Johor, Malaysia.
| | - Zaharah Ibrahim
- Department of Biosciences, Faculty of Science, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Muhamad Hanif Md Nor
- Department of Biosciences, Faculty of Science, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Mohd Isa Osman
- Setia Impian Development, Peringgit Centre, Taman Peringgit Jaya, 75400, Melaka, Malaysia
| | - Dunia A Al Farraj
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. 2455, Riyadh, 11451, Saudi Arabia
| | - Mohamed Ragab AbdelGawwad
- Genetics and Bioengineering, Faculty of Engineering and Natural Sciences, International University of Sarajevo, 71210, Sarajevo, Bosnia and Herzegovina
| | - Hesam Kamyab
- Malaysia-Japan International Institute of Technology, Universiti Teknologi Malaysia, Jalan Sultan Yahya Petra, 54100, Kuala Lumpur, Malaysia
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Gidudu B, Chirwa EMN. The Role of pH, Electrodes, Surfactants, and Electrolytes in Electrokinetic Remediation of Contaminated Soil. Molecules 2022; 27:7381. [PMID: 36364207 PMCID: PMC9657640 DOI: 10.3390/molecules27217381] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/21/2022] [Accepted: 10/25/2022] [Indexed: 08/01/2023] Open
Abstract
Electrokinetic remediation has, in recent years, shown great potential in remediating polluted environments. The technology can efficiently remove heavy metals, chlorophenols, polychlorinated biphenyls, phenols, trichloroethane, benzene, toluene, ethylbenzene, and xylene (BTEX) compounds and entire petroleum hydrocarbons. Electrokinetic remediation makes use of electrolysis, electroosmosis, electrophoresis, diffusion, and electromigration as the five fundamental processes in achieving decontamination of polluted environments. These five processes depend on pH swings, voltage, electrodes, and electrolytes used in the electrochemical system. To apply this technology at the field scale, it is necessary to pursue the design of effective processes with low environmental impact to meet global sustainability standards. It is, therefore, imperative to understand the roles of the fundamental processes and their interactions in achieving effective and sustainable electrokinetic remediation in order to identify cleaner alternative solutions. This paper presents an overview of different processes involved in electrokinetic remediation with a focus on the effect of pH, electrodes, surfactants, and electrolytes that are applied in the remediation of contaminated soil and how these can be combined with cleaner technologies or alternative additives to achieve sustainable electrokinetic remediation. The electrokinetic phenomenon is described, followed by an evaluation of the impact of pH, surfactants, voltage, electrodes, and electrolytes in achieving effective and sustainable remediation.
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Abstract
The growing interest in innovations regarding the treatment of oily wastewater stems from the fact that the oil industry is the largest polluter of the environment. The harm caused by this industry is seen in all countries. Companies that produce such wastewater are responsible for its treatment prior to disposal or recycling into their production processes. As oil emulsions are difficult to manage and require different types of treatment or even combined methods, a range of environmental technologies have been proposed for oil-contaminated effluents, such as gravity separation, flotation, flocculation, biological treatment, advanced oxidation processes, and membranes. Natural materials, such as biopolymers, constitute a novel, sustainable solution with considerable potential for oily effluent separation. The present review offers an overview of the treatment of oily wastewater, describing current trends and the latest applications. This review also points to further research needs and major concerns, especially with regards to sustainability, and discusses potential biotechnological applications.
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Yao L, Selmi A, Esmaeili H. A review study on new aspects of biodemulsifiers: Production, features and their application in wastewater treatment. CHEMOSPHERE 2021; 284:131364. [PMID: 34216919 DOI: 10.1016/j.chemosphere.2021.131364] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/15/2021] [Accepted: 06/26/2021] [Indexed: 06/13/2023]
Abstract
The effluent produced in refineries is in the form of an oil/water emulsion that must be treated. These emulsions are often stable and a suitable method must be used to separate the oil from the emulsion. Recently, biosurfactants or biodemulsifiers have received much attention to reduce the interfacial tension between two liquids. Biodemulsifiers are produced by microorganisms and have several benefits over chemical demulsifiers such as low-toxic, biodegradability, eco-friendly and easy synthesis. They can eliminate two phases by changing the interfacial forces between the water and oil molecules. Biosurfactants are categorized based on the molecular weight of their compounds (low or high molecular weight). Sophorolipids, lipopeptides rhamnolipids, trehalolipids, glycolipid, lipoproteins, lichenysin, surfactin, and polymeric biosurfactants are several types of biosurfactants, which are produced by bacteria or fungi. This review study provides a deep evaluation of biosurfactants in the demulsification process. To this end, different types of biosurfactants, the synthesis method of various biosurfactants using various microorganisms, features of biosurfactants, and the role of biodemulsifiers in the demulsification process are thoroughly discussed. Also, the impact of various efficient factors like pH, microorganism type, temperature, the oil content in the emulsion, and gravity on biodemulsificaion was studied. Finally, the mechanism of the demulsification process was discussed. According to previous studies, rhamnolipid biodemulsifier showed the highest biodemulsification efficiency (100%) in the removal of oil from an emulsion.
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Affiliation(s)
- Lei Yao
- College of Civil and Architecture Engineering, Chuzhou University, Chuzhou, 239000, Anhui, China.
| | - Abdellatif Selmi
- Department of Civil Engineering, College of Engineering, Prince Sattam Bin Abdulaziz University, Al-Kharj, 11942, Saudi Arabia; Ecole Nationale d'Ingénieurs deTunis (ENIT), Civil Engineering Laboratory, B.P. 37, Le Belvédère1002, Tunis, Tunisia
| | - Hossein Esmaeili
- Department of Chemical Engineering, Bushehr Branch, Islamic Azad University, Bushehr, Iran
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Gao P, Jiang Z, Luo Q, Mu C, Cui M, Yang X. Preparation and Evaluation of Self-emulsifying Drug Delivery System (SEDDS) of Cepharanthine. AAPS PharmSciTech 2021; 22:245. [PMID: 34611770 PMCID: PMC8491757 DOI: 10.1208/s12249-021-02085-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 06/29/2021] [Indexed: 12/03/2022] Open
Abstract
The aim of this article was to design a self-emulsifying drug delivery system (SEDDS) of loaded cepharanthine (CEP) to improve the oral bioavailability in rats. Based on the solubility determination and pseudo-ternary phase diagram, isopropyl palmitate (IPP) was chosen as the oil phase. Meanwhile, Cremophor RH40 and Macrogol 200 (PEG 200) were chosen as the emulsifier and co-emulsifier, respectively. This prescription was further optimized by using central composite design of response surface methodology. The optimized condition was CEP:IPP:Cremophor RH40:PEG 200=3.6:30.0:55.3:11.1 in mass ratio with maximum drug loading (36.21 mg/mL) and the minimum particle size (36.70 nm). The constructed CEP-SEDDS was characterized by dynamic light scattering, transmission electron microscopy, in vitro release and stability studies. The dissolution level of CEP-SEDDS was nearly 100% after 30 min in phosphate-buffered saline (PBS, pH 6.8) which was higher than that of the pure CEP (approximately 20%). In addition, in vivo pharmacokinetic study in rats showed that CEP-SEDDS dramatically improved bioavailability compared with active pharmaceutical ingredient (API) (the relative bioavailability was 203.46%). In this study, CEP-SEDDS was successfully prepared to enhance the oral bioavailability which might facilitate to increase its better clinical application. Graphical abstract ![]()
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Hou N, Wang Q, Sun Y, Li X, Song Q, Jiang X, Li B, Zhao X, Zang H, Li D, Li C. A novel biodemulsifier of Bacillus mojavensis XH1 - Oxalate decarboxylase with the potential for demulsification of oilfield emulsion. JOURNAL OF HAZARDOUS MATERIALS 2021; 407:124737. [PMID: 33321372 DOI: 10.1016/j.jhazmat.2020.124737] [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: 07/07/2020] [Revised: 11/25/2020] [Accepted: 11/29/2020] [Indexed: 06/12/2023]
Abstract
In recent years, special attention has been devoted to biodemulsifiers as a new type of environment-friendly demulsifiers. A novel biodemulsifying oxalate decarboxylase (OxdC) secreted by Bacillus mojavensis XH1 is reported in the present study. A genome-wide comparison showed that strains with high demulsification efficiencies all possess alkane degradation genes. An analysis of the differentially expressed genes and proteins induced by different substrates showed that OxdC secreted by XH1 was an effective demulsifier. Moreover, the demulsification ability was verified by prokaryotic gene expression, knockout and complementation analyses. OxdC from XH1 exhibited a strong demulsification capacity and significantly outperformed the model protein Bacillus subtilis 168 OxdC (Yvrk), which shared a high amino acid similarity but showed limited demulsification ability. Based on a comparison of the structural characteristics, the hydrophobic amino acids on the surface of OxdC were identified as a key factor driving the favorable demulsification activity of XH1. The metabolic pathways of XH1 used liquid paraffin and glucose as substrates, illustrating that hydrocarbons are necessary for biodemulsifier secretion. The present study provides new insight into the application of OxdC as an additional genetic resource in biodemulsification.
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Affiliation(s)
- Ning Hou
- College of Resources and Environment, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China
| | - Qiaoruo Wang
- College of Resources and Environment, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China
| | - Yang Sun
- College of Resources and Environment, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China
| | - Xianyue Li
- College of Resources and Environment, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China
| | - Qiuying Song
- College of Resources and Environment, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China
| | - Xinxin Jiang
- College of Resources and Environment, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China
| | - Baoxin Li
- College of Resources and Environment, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China
| | - Xinyue Zhao
- College of Resources and Environment, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China
| | - Hailian Zang
- College of Resources and Environment, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China
| | - Dapeng Li
- College of Resources and Environment, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China.
| | - Chunyan Li
- College of Resources and Environment, Northeast Agricultural University, Harbin 150030, Heilongjiang, PR China.
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Shubair A, Al-Salih H, Sabouni R, Gomaa H, Hassanin S, Salem S, Zeno T, El Taher B, Zaka A. Photocatalytic demulsification of oil/water emulsions containing nonionic surfactant. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:13124-13132. [PMID: 33174172 DOI: 10.1007/s11356-020-11541-1] [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: 06/25/2020] [Accepted: 11/03/2020] [Indexed: 06/11/2023]
Abstract
Separation of oil-water (OW) emulsions is investigated using a photocatalytic demulsification approach. Experiments were conducted using two types of photocatalysts, namely, ZnO and TiO2. The emulsion samples were prepared with oil to water ratios of 1:3, 1:1, and 3:1 and using nonionic surfactant Tween 20 as an emulsifier. The demulsification efficiency was determined using a direct time varying phase separation measurement, while dynamic light scattering (DLS) and microscope imaging (MI) were used to determine the change in emulsion droplets size. The investigation results showed that all the emulsions were destabilized and separated within 30-90 min with demulsification efficiency that ranged from 38 to 90%. On the other hand, untreated control samples remained stable with no phase separation for more than 24 h. For most of the studied experimental conditions, TiO2 nanoparticles gave better demulsification results than ZnO. Modeling of the batch demulsification kinetics for both systems agreed satisfactorily with the experimental measurements. This could allow its further extension towards design of continuous processes for potential implementation in treatment of industrial oily wastewaters.
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Affiliation(s)
- Asma Shubair
- Department of Chemical Engineering, American University of Sharjah, P.O.Box: 26666, Sharjah, UAE
| | - Hilal Al-Salih
- Department of Chemical Engineering, American University of Sharjah, P.O.Box: 26666, Sharjah, UAE
| | - Rana Sabouni
- Department of Chemical Engineering, American University of Sharjah, P.O.Box: 26666, Sharjah, UAE.
| | - Hassan Gomaa
- Department of Chemical and Biochemical Engineering, Western University, London, Ontario, Canada
| | - Sara Hassanin
- Department of Chemical Engineering, American University of Sharjah, P.O.Box: 26666, Sharjah, UAE
| | - Soha Salem
- Department of Chemical Engineering, American University of Sharjah, P.O.Box: 26666, Sharjah, UAE
| | - Talah Zeno
- Department of Chemical Engineering, American University of Sharjah, P.O.Box: 26666, Sharjah, UAE
| | - Bassam El Taher
- Department of Chemical Engineering, American University of Sharjah, P.O.Box: 26666, Sharjah, UAE
| | - Awais Zaka
- Department of Chemical Engineering, American University of Sharjah, P.O.Box: 26666, Sharjah, UAE
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Impact of flocculant addition in oil recovery from multiphasic fermentations. FOOD AND BIOPRODUCTS PROCESSING 2020. [DOI: 10.1016/j.fbp.2020.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Application of Biosurfactants and Pulsating Electrode Configurations as Potential Enhancers for Electrokinetic Remediation of Petrochemical Contaminated Soil. SUSTAINABILITY 2020. [DOI: 10.3390/su12145613] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The remediation of soil contaminated with petrochemicals using conventional methods is very difficult because of the complex emulsions formed by solids, oil, and water. Electrokinetic remediation has of recent shown promising potential in the removal of organics from contaminated media as calls for further improvement of the technology are still made. This work investigated the performance of electrokinetic remediation of soil contaminated with petrochemicals by applying fixed electrode configurations and continuous approaching electrode configurations. This was done in combination with bioremediation by inoculating hydrocarbon degrading bacteria and biosurfactants with the aim of obtaining an improved method of remediation. The results obtained show that the biosurfactant produced by the hydrocarbon degrading bacteria Pseudomonas aeruginosa was able to enhance oil extraction to 74.72 ± 2.87%, 57.375 ± 3.75%, and 46.2 ± 4.39% for 185 mm fixed electrodes, 335-260-185 mm continuous approaching electrodes, and 335 mm fixed electrode configurations, respectively. By maintaining high current flow, the 335-260-185 mm continuous approaching electrodes configuration enhanced electroosmotic flow (EOF) on every event of electrodes movement. The fixed electrode configuration of 185 mm provided amiable pH conditions for bacterial growth by allowing quick neutrality of the pH due to high EOF as compared to the 335 mm fixed electrodes configuration. After 240 h, the carbon content in the soil was reduced from 0.428 ± 0.11 mg of carbon/mg of the soil to 0.103 ± 0.005, 0.11355 ± 0.0006, and 0.1309 ± 0.004 for 185 mm, 335-260-185 mm, and 335 mm, respectively. The application of biosurfactants and continuous approaching electrodes reduced the energy expenditure of electrokinetic remediation by enhancing the decontamination process with respect to time.
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Corti-Monzón G, Nisenbaum M, Villegas-Plazas M, Junca H, Murialdo S. Enrichment and characterization of a bilge microbial consortium with oil in water-emulsions breaking ability for oily wastewater treatment. Biodegradation 2020; 31:57-72. [DOI: 10.1007/s10532-020-09894-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 03/05/2020] [Indexed: 01/09/2023]
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Rocha e Silva NMP, Meira HM, Almeida FCG, Soares da Silva RDCF, Almeida DG, Luna JM, Rufino RD, Santos VA, Sarubbo LA. Natural Surfactants and Their Applications for Heavy Oil Removal in Industry. SEPARATION AND PURIFICATION REVIEWS 2018. [DOI: 10.1080/15422119.2018.1474477] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Nathalia Maria P. Rocha e Silva
- Northeast Biotechnology Network, Federal Rural University of Pernambuco, Recife, Pernambuco, Brazil
- Advanced Institute of Technology and Innovation (IATI), Recife, Pernambuco, Brazil
- Centre for Sciences and Technology, Catholic University of Pernambuco, Recife, Pernambuco, Brazil
| | - Hugo M. Meira
- Advanced Institute of Technology and Innovation (IATI), Recife, Pernambuco, Brazil
- Centre for Sciences and Technology, Catholic University of Pernambuco, Recife, Pernambuco, Brazil
| | - Fabíola Carolina G. Almeida
- Advanced Institute of Technology and Innovation (IATI), Recife, Pernambuco, Brazil
- Centre for Sciences and Technology, Catholic University of Pernambuco, Recife, Pernambuco, Brazil
| | - Rita de Cássia F. Soares da Silva
- Advanced Institute of Technology and Innovation (IATI), Recife, Pernambuco, Brazil
- Centre for Sciences and Technology, Catholic University of Pernambuco, Recife, Pernambuco, Brazil
| | - Darne G. Almeida
- Advanced Institute of Technology and Innovation (IATI), Recife, Pernambuco, Brazil
- Centre for Sciences and Technology, Catholic University of Pernambuco, Recife, Pernambuco, Brazil
| | - Juliana M. Luna
- Advanced Institute of Technology and Innovation (IATI), Recife, Pernambuco, Brazil
- Centre for Sciences and Technology, Catholic University of Pernambuco, Recife, Pernambuco, Brazil
| | - Raquel D. Rufino
- Advanced Institute of Technology and Innovation (IATI), Recife, Pernambuco, Brazil
- Centre for Sciences and Technology, Catholic University of Pernambuco, Recife, Pernambuco, Brazil
| | - Valdemir A. Santos
- Advanced Institute of Technology and Innovation (IATI), Recife, Pernambuco, Brazil
- Centre for Sciences and Technology, Catholic University of Pernambuco, Recife, Pernambuco, Brazil
| | - Leonie A. Sarubbo
- Advanced Institute of Technology and Innovation (IATI), Recife, Pernambuco, Brazil
- Centre for Sciences and Technology, Catholic University of Pernambuco, Recife, Pernambuco, Brazil
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