1
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Arkhipov VP, Arkhipov RV, Filippov A. The efficiency of micellar solubilization of naphthalene from aqueous solutions using rhamnolipid as a biological surfactant according to NMR diffusometry. MAGNETIC RESONANCE IN CHEMISTRY : MRC 2024; 62:712-717. [PMID: 38816348 DOI: 10.1002/mrc.5468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 05/13/2024] [Accepted: 05/15/2024] [Indexed: 06/01/2024]
Abstract
The micellar solubilization of naphthalene from its saturated aqueous solutions using the biosurfactant rhamnolipid was studied. Using the NMR diffusion method, selective measurements of the self-diffusion coefficients of molecules of all components of the solution-naphthalene, rhamnolipid, and water-were carried out at various rhamnolipid concentrations from 0.06 to 100 g/L. Based on the results of diffusometry, the distribution of naphthalene molecules between the states free in solution and states bound by micelles was found. With an increase in the concentration of rhamnolipids, the proportion of bound naphthalene molecules increases from 50% at CRL = 2 g/L to 100% at CRL ≥ 50 g/L. The micelle-water partition coefficient Km and the molar solubilization ratio MSR were calculated.
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Affiliation(s)
- Victor P Arkhipov
- Department of Physics, Kazan National Research Technological University, Kazan, Russian Federation
| | - Ruslan V Arkhipov
- Institute of Physics, Kazan Federal University, Kazan, Russian Federation
| | - Andrei Filippov
- Chemistry of Interfaces, Luleå University of Technology, Luleå, Sweden
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2
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Cvanić T, Sulejmanović M, Perović M, Vulić J, Pezo L, Ćetković G, Travičić V. Novel Green Strategy to Recover Bioactive Compounds with Different Polarities from Horned Melon Peel. Foods 2024; 13:2880. [PMID: 39335809 PMCID: PMC11431022 DOI: 10.3390/foods13182880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2024] [Revised: 09/06/2024] [Accepted: 09/10/2024] [Indexed: 09/30/2024] Open
Abstract
Around 20-30% of the horned melon's weight is peel. This peel is often discarded or underutilized despite containing valuable bioactive compounds. Conventional methods for extracting polyphenols and carotenoids from horned melon peel are typically inefficient, environmentally harmful, or require significant time and energy. The potential of green cloud point extraction (CPE) or green surfactant-based extraction for recovering bioactives with different polarities from this kind of by-product has not been thoroughly investigated. Therefore, this study focused on optimizing CPE process parameters using a one-variable-at-a-time (OVAT) approach. Optimal CPE demonstrated superior yields compared to conventional, ultrasound, microwave, ultrasound-assisted CPE, and microwave-assisted CPE methods. Further, a Plackett-Burman design identified key factors influencing optimal CPE conditions, while artificial neural network (ANN) analysis assessed each input variable's impact on outcomes. Maximum extraction efficiency for total phenolics (352.49 mg GAE/100 g), total carotenoids (16.59 mg β-carotene/100 g), and antioxidant activity (989.02 μmol TE/100 g) was achieved under conditions of: surfactant type = Tween 80, surfactant concentration = 2%; solid:liquid ratio = 1:100; pH = 6612; equilibration temperature = 35 °C; equilibration time = 60 min; salt type = NaCl; salt concentration = 16.4%; centrifugation speed = 7906× g ; centrifugation time = 13.358 min; and No. of CPE steps = Step 1. This comprehensive approach aimed to enhance the understanding and optimization of CPE for maximizing the recovery of bioactives from the horned melon peel, addressing the inefficiencies of traditional extraction methods.
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Affiliation(s)
- Teodora Cvanić
- Faculty of Technology Novi Sad, University of Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia
| | - Mirjana Sulejmanović
- Faculty of Technology Novi Sad, University of Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia
| | - Milica Perović
- Faculty of Technology Novi Sad, University of Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia
| | - Jelena Vulić
- Faculty of Technology Novi Sad, University of Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia
| | - Lato Pezo
- Engineering Department, Institute of General and Physical Chemistry, Studentski trg 12/V, 11000 Belgrade, Serbia
| | - Gordana Ćetković
- Faculty of Technology Novi Sad, University of Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia
| | - Vanja Travičić
- Faculty of Technology Novi Sad, University of Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia
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Zhao J, Lan W, Xie J. Recent developments in nanoemulsions against spoilage in cold-stored fish: A review. Food Chem 2023; 429:136876. [PMID: 37481985 DOI: 10.1016/j.foodchem.2023.136876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 06/27/2023] [Accepted: 07/11/2023] [Indexed: 07/25/2023]
Abstract
Nanoemulsion-based technology is developing rapidly in the food industry, especially in the design of delivery systems for bioactive compounds. This review presents an in-depth understanding of the composition, function, antibacterial mechanism and successful application of nanoemulsions as preservative agents against fish spoilage. The results showed that the inclusion of bioactive substances in the food-grade nanoemulsions encapsulation system could improve its stability, control its release, inhibit the microbial growth and reproduction through a variety of targets. These nanoemulsions can inhibit fish spoilage via reducing microbial load and retarding the oxidation of proteins and lipids, thereby maintaining quality attributes of fish. In addition, nanoemulsions could be coupled with vacuum package for enhancing microbial destruction, retaining nutritional value and extending the shelf-life of fish. Accordingly, nanoemulsions are suggested as a promising strategy to inhibit fish spoilage.
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Affiliation(s)
- Jiaxin Zhao
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Weiqing Lan
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Shanghai Aquatic Products Processing and Storage Engineering Technology Research Center, Shanghai 201306, China; National Experimental Teaching Demonstration Center for Food Science and Engineering (Shanghai Ocean University), Shanghai 201306, China.
| | - Jing Xie
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Shanghai Aquatic Products Processing and Storage Engineering Technology Research Center, Shanghai 201306, China; National Experimental Teaching Demonstration Center for Food Science and Engineering (Shanghai Ocean University), Shanghai 201306, China.
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Arkhipov V, Arkhipov R, Filippov A. Rhamnolipid Biosurfactant: Use for the Removal of Phenol from Aqueous Solutions by Micellar Solubilization. ACS OMEGA 2023; 8:30646-30654. [PMID: 37636955 PMCID: PMC10448651 DOI: 10.1021/acsomega.3c04367] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 07/31/2023] [Indexed: 08/29/2023]
Abstract
Selective measurements of the self-diffusion coefficients of molecules of the biological surfactant rhamnolipid (RL) in individual aqueous solutions and in solutions with phenol as a solubilizate were carried out by nuclear magnetic resonance (NMR) diffusometry. Based on the obtained results, the solubilization characteristics of RLs were calculated. They are the fraction of solubilized phenol molecules, the phenol micelle-water distribution coefficient, the molar solubilization coefficient, the hydrodynamic radii of RL monomers and micelles, the aggregation numbers of micelles, and the solubilization capacity of micelles. Fraction of the solubilized phenol molecules increases and approaches 80-90% with increasing RL concentration. The solubilization capacity of the micelles increases from several units to 102 with an increase in both the concentration of RLs and the concentration of phenol in solution.
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Affiliation(s)
- Victor
P. Arkhipov
- Department
of Physics, Kazan National Research Technological
University, Kazan 420015, Russian Federation
| | - Ruslan Arkhipov
- Institute
of Physics, Kazan Federal University, Kazan 420008, Russian Federation
| | - Andrei Filippov
- Chemistry
of Interfaces, Luleå University of
Technology, 971 87 Luleå, Sweden
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5
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Wang YC, Wang V, Chen BH. Analysis of bioactive compounds in cinnamon leaves and preparation of nanoemulsion and byproducts for improving Parkinson's disease in rats. Front Nutr 2023; 10:1229192. [PMID: 37599679 PMCID: PMC10433916 DOI: 10.3389/fnut.2023.1229192] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 07/20/2023] [Indexed: 08/22/2023] Open
Abstract
Introduction Cinnamomum osmophloeum Kanehira (C. osmophloeum), a broad-leaved tree species of Taiwan, contains phenolic acids, flavonoids, and phenylpropanoids such as cinnamaldehyde and cinnamic acid in leaves. Many reports have shown that the cinnamon leaf extract possesses anti-inflammatory, hypoglycemic, hypolipidemic and neuroprotective functions. This study aims to analyze bioactive compounds in C. osmophloeum (cinnamon leaves) by UPLC-MS/MS and prepare hydrosol, cinnamon leaf extract and cinnamon leaf nanoemulsion for comparison in improving Parkinson's disease (PD) in rats. Methods After extraction and determination of total phenolic and total flavonoid contents, cinnamaldehyde and the other bioactive compounds were analyzed in cinnamon leaves and hydrosol by UPLC-MS/MS. Cinnamon leaf nanoemulsion was prepared by mixing a suitable proportion of cinnamon leaf extract, soybean oil, lecithin, Tween 80 and deionized water, followed by characterization of particle size and polydispersity index by dynamic light scattering analyzer, particle size and shape by transmission electron microscope, encapsulation efficiency, as well as storage and heating stability. Fifty-six male Sprague-Dawley rats aged 8 weeks were divided into seven groups with group 1 as control (sunflower oil) and group 2 as induction (2 mg/kg bw rotenone in sunflower oil plus 10 mL/kg bw saline), while the other groups including rotenone injection (2 mg/kg bw) followed by high-dose of 60 mg/kg bw (group 3) or low-dose of 20 mg/kg bw (group 4) for tube feeding of cinnamon leaf extract or cinnamon leaf nanoemulsion at the same doses (groups 5 and 6) every day for 5 weeks as well as group 7 with rotenone plus hydrosol containing 0.5 g cinnamon leaf powder at a dose of 10 mL/kg bw. Biochemical analysis of brain tissue (striatum and midbrain) was done to determine dopamine, α-synuclein, tyrosine hydroxylase, superoxide dismutase, catalase, glutathione peroxidase and malondialdehyde contents by using commercial kits, while catalepsy performed by bar test. Results and discussion An extraction solvent of 80% ethanol was found to be the most optimal with a high yield of 15 bioactive compounds being obtained following UPLC analysis. A triple quadrupole tandem mass spectrometer with electrospray ionization mode was used for identification and quantitation, with cinnamaldehyde present at the highest amount (17985.2 µg/g). The cinnamon leaf nanoemulsion was successfully prepared with the mean particle size, zeta potential, polydispersity index and encapsulation efficiency being 30.1 nm, -43.1 mV, 0.149 and 91.6%, respectively. A high stability of cinnamon leaf nanoemulsion was shown over a 90-day storage period at 4 and heating at 100 for 2 h. Animal experiments revealed that the treatments of cinnamon leaf extract, nanoemulsion and hydrosol increased the dopamine contents from 17.08% to 49.39% and tyrosine hydroxylase levels from 17.07% to 25.59%, while reduced the α-synuclein levels from 17.56% to 15.95% in the striatum of rats. Additionally, in the midbrain of rats, an elevation of activities of superoxide dismutase (6.69-16.82%), catalase (8.56-16.94%), and glutathione peroxidase (2.09-16.94%) was shown, while the malondialdehyde content declined by 15.47-22.47%. Comparatively, the high-dose nanoemulsion exerted the most pronounced effect in improving PD in rats and may be a promising candidate for the development of health food or botanic drug.
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Affiliation(s)
- Yi Chun Wang
- Department of Food Science, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Vinchi Wang
- School of Medicine, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Bing Huei Chen
- Department of Food Science, Fu Jen Catholic University, New Taipei City, Taiwan
- Department of Nutrition, China Medical University, Taichung, Taiwan
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Yu S, Tan Z, Lai Y, Li Q, Liu J. Nanoparticulate pollutants in the environment: Analytical methods, formation, and transformation. ECO-ENVIRONMENT & HEALTH 2023; 2:61-73. [PMID: 38075291 PMCID: PMC10702925 DOI: 10.1016/j.eehl.2023.04.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/20/2023] [Accepted: 04/24/2023] [Indexed: 06/28/2024]
Abstract
The wide application of nanomaterials and plastic products generates a substantial number of nanoparticulate pollutants in the environment. Nanoparticulate pollutants are quite different from their bulk counterparts because of their unique physicochemical properties, which may pose a threat to environmental organisms and human beings. To accurately predict the environmental risks of nanoparticulate pollutants, great efforts have been devoted to developing reliable methods to define their occurrence and track their fate and transformation in the environment. Herein, we summarized representative studies on the preconcentration, separation, formation, and transformation of nanoparticulate pollutants in environmental samples. Finally, some perspectives on future research directions are proposed.
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Affiliation(s)
- Sujuan Yu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhiqiang Tan
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yujian Lai
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Qingcun Li
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jingfu Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
- School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
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Halko R, Hagarová I, Andruch V. Innovative approaches in cloud-point extraction. J Chromatogr A 2023; 1701:464053. [PMID: 37207414 DOI: 10.1016/j.chroma.2023.464053] [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: 02/02/2023] [Revised: 05/05/2023] [Accepted: 05/07/2023] [Indexed: 05/21/2023]
Abstract
Cloud-point extraction (CPE) is a pre-treatment technique for the extraction and preconcentration of different chemical compounds, such as metal ions, pesticides, drugs, phenols, vitamins etc., from various samples. CPE is based on the phenomenon of two phases (micellar and aqueous) forming after the heating of an aqueous isotropic solution of a non-ionic or zwitterionic surfactant above the cloud-point temperature. If analytes are added to the surfactant solution under suitable conditions, they should be extracted into the micellar phase, also called the surfactant-rich phase. Recently, the traditional CPE procedure is being increasingly replaced by improved CPE procedures. In this study, recent advances in CPE over the last three years (2020 - 2022), including the application of various innovative approaches, are reviewed. In addition to the basic principle of CPE, alternative extraction media in CPE, CPE supported by various auxiliary energies, a different modified CPE procedure and the use nanomaterials and solid-phase extraction in combination with CPE are presented and discussed. Finally, some future trends for improved CPE are presented.
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Affiliation(s)
- Radoslav Halko
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University Bratislava, Mlynská dolina, Ilkovičova 6, 842 15 Bratislava IV, Slovak Republic.
| | - Ingrid Hagarová
- Institute of Laboratory Research on Geomaterials, Faculty of Natural Sciences, Comenius University Bratislava, Mlynská dolina, Ilkovičova 6, 842 15 Bratislava IV, Slovak Republic
| | - Vasil Andruch
- Department of Analytical Chemistry, Faculty of Science, Pavol Jozef Šafárik University in Košice, Košice 041 80, Slovak Republic
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8
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Barrios N, Javier Patiño-Agudelo Á, Herbert Quina F, Salas C, Pereira J. Specific anion effects on the interfacial properties and aggregation of alkylphenol ethoxylate surfactants. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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9
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Cloud point extraction coupled with ultrasonic-assisted back-extraction for the determination of metalaxyl, fludioxonil and fenarimol in fruits by gas chromatography with flame ionization detection. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02431-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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10
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Arkhipov VP, Arkhipov RV, Petrova EV, Filippov A. Abnormal diffusion behavior and aggregation of oxyethylated alkylphenols in aqueous solutions near their cloud point. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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11
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Bala R, Sachdeva D, Prakash V, Sran BS, Devi S, Manhas RK. Binding of alkanesulfonates, CH3(CH2)nO2SO− (where n = 2–8) with hexaureachromium(III) in aqueous medium:synthesis, characterization and binding properties of [Cr(CO(NH2)2)6](CH3(CH2)nO2SO)3.xH2O. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.132290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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12
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Shi W, Yan R, Huang L. Preparation and insecticidal performance of sustained-release cinnamon essential oil microemulsion. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:1397-1404. [PMID: 34370306 DOI: 10.1002/jsfa.11472] [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: 05/27/2021] [Revised: 07/13/2021] [Accepted: 08/09/2021] [Indexed: 06/13/2023]
Abstract
BACKGROUND To improve the utilization rate of cinnamon essential oil and compensate for the shortcomings of its easy decomposition and oxidation, the microemulsion of cinnamon essential oil was prepared using Tween 80 and anhydrous ethanol as surfactant and cosurfactant, respectively. The effects of the surfactant type, Km value, preparation temperature and aqueous pH on the quality of the microemulsion were studied via a pseudo-ternary phase diagram. The slow-release performance of cinnamon essential oil microemulsion and the control performance of the insect repellent package on the rice weevil were characterized. RESULTS The results showed that, when Tween 80 was used as a surfactant and anhydrous ethanol was used as a cosurfactant, the Km value was 3:1, preparation temperature was 40 °C, aqueous pH was 5 and prepared cinnamon essential oil microemulsion was of the O/W type. The microemulsion had strong stability and a 81.5-nm concentrated particle size distribution, and possessed excellent embedding and sustained-release effects. The prepared insect repellent active package prolongs the use time and the effect of cinnamon essential oil. The repellent rate of the rice weevil was as high as 100% after 48 h, and the contact mortality and fumigation mortality rates of the rice weevil also reached 96.67% and 86.67%, respectively, after 96 h. CONCLUSION The prepared cinnamon essential oil microemulsion and active packaging had a good sustained-release effect. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Weiwei Shi
- College of Light Industry Science and Engineering, Tianjin University of Science & Technology, Tianjin, China
| | - Ruixiang Yan
- College of Light Industry Science and Engineering, Tianjin University of Science & Technology, Tianjin, China
| | - Liqiang Huang
- College of Light Industry Science and Engineering, Tianjin University of Science & Technology, Tianjin, China
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Tongcumpou C, Tuntiwiwattanapun N. Developing a cloud point extraction process for lipopeptide recovery from cell-free broth of Bacillus sp. GY19. SEP SCI TECHNOL 2022. [DOI: 10.1080/01496395.2022.2026385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Chantra Tongcumpou
- Environmental Research Institute, Chulalongkorn University, Phayathai Rd., Pathumwan, Bangkok 10330, Thailand
| | - Nattapong Tuntiwiwattanapun
- Environmental Research Institute, Chulalongkorn University, Phayathai Rd., Pathumwan, Bangkok 10330, Thailand
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14
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Shi S, Wu H, Zhang L, Xiong P, Chen D, Chen L, Xu J, Qin Z, Liao J. Cloud point extraction associated with differential pulse voltammetry: preconcentration and determination of trace uranyl in natural water. Analyst 2022; 147:645-651. [DOI: 10.1039/d1an02034j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A procedure for the electroanalytical determination of uranyl ions pre-concentrated from natural water by cloud point extraction (CPE) is developed in this study.
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Affiliation(s)
- Siwei Shi
- Institute of Materials, China Academy of Engineering Physics, Mianyang 621900, Sichuan, P. R. China
| | - Haoxi Wu
- Institute of Materials, China Academy of Engineering Physics, Mianyang 621900, Sichuan, P. R. China
| | - Ling Zhang
- Institute of Materials, China Academy of Engineering Physics, Mianyang 621900, Sichuan, P. R. China
| | - Penghui Xiong
- Institute of Materials, China Academy of Engineering Physics, Mianyang 621900, Sichuan, P. R. China
| | - Denglei Chen
- Institute of Materials, China Academy of Engineering Physics, Mianyang 621900, Sichuan, P. R. China
| | - Lumin Chen
- Institute of Materials, China Academy of Engineering Physics, Mianyang 621900, Sichuan, P. R. China
| | - Jie Xu
- Institute of Materials, China Academy of Engineering Physics, Mianyang 621900, Sichuan, P. R. China
| | - Zhen Qin
- Institute of Materials, China Academy of Engineering Physics, Mianyang 621900, Sichuan, P. R. China
| | - Junsheng Liao
- Institute of Materials, China Academy of Engineering Physics, Mianyang 621900, Sichuan, P. R. China
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15
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Wu Q, Zhao C, Wang Q, Liu J. Successive preconcentration and mechanistic investigation of Au( iii), Pd( ii), Pt( iv) and Rh( iii) via cloud point extraction using a functionalised ionic liquid. NEW J CHEM 2022. [DOI: 10.1039/d2nj00191h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This study proposes the efficient separation of Au(iii)/Pd(ii)/Pt(iv)/Rh(iii) through the 2-mercaptobenzothiazole-functionalised ionic liquid ([C6mim][2MBT]) using a cloud point extraction system.
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Affiliation(s)
- Qi Wu
- Anhui Zhongzheng Environment Co., Ltd, Wuhu, Anhui, 241001, P. R. China
| | - Changfeng Zhao
- School of Energy and Machinery, Dezhou University, DeZhou, Shandong, 253023, P. R. China
| | - Qinzhong Wang
- School of Energy and Machinery, Dezhou University, DeZhou, Shandong, 253023, P. R. China
| | - Jing Liu
- Tai'an Hospital District, the 960th Hospital of the PLA Joint Logistics Support Force, Tai’an, Shandong, 271000, P. R. China
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Nanomicellar Extraction of Polyphenols-Methodology and Applications Review. Int J Mol Sci 2021; 22:ijms222111392. [PMID: 34768823 PMCID: PMC8584012 DOI: 10.3390/ijms222111392] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/11/2021] [Accepted: 10/19/2021] [Indexed: 11/17/2022] Open
Abstract
The selection of the appropriate extraction method is crucial, especially for the receiving of active substances from plant material. The extraction using supercritical liquids and micellar-mediated extraction (MME) is the most advantageous among the alternative methods to classical solid-liquid extraction. However, the latter seems to be the best solution when the desired actives are polar. The following article presents a comprehensive review of the micellar-mediated extraction method in the last decade. The theoretical principle of the process was also refreshed and the current state of knowledge on the applications for analytical and manufacturing purposes was summarized.
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17
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Avadhani VS, Sen ID. Interaction of imidazolium chloride-based ionic liquids with Triton X-114 micelles. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116836] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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18
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Silver Nanoparticles Functionalized with Sodium Mercaptoethane Sulfonate to Remove Copper from Water by the Formation of a Micellar Phase. SEPARATIONS 2021. [DOI: 10.3390/separations8080108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
This work presents a novel procedure for the removal of Cu2+ from water, an essential element in human nutrition considered toxic in high concentrations, based on a microextraction technique involving the formation of a micellar phase. To achieve the total elimination of copper from aqueous samples, a Cu2+-complexing reagent based on silver nanoparticles functionalized with sodium mercaptoethane sulfonate (AgNPs@MESNa) was used. The complex formed by Cu2+ and the reagent was extracted into a micellar microphase formed by Triton X-114, a harmless surfactant. Volumes of 200 µL of the 10−4 mol L−1 suspension of AgNPs@MESNa and 100 µL of a solution of Triton X-114 at 30% m/m were employed to successfully remove 10 mg L−1 of Cu from 20 mL of water samples. The time and temperature needed to achieve 100% microextraction efficiency were 10 min and 40 °C, respectively. The procedure is considered environmentally friendly due to the low volume of the extracting phase and the simple experimental conditions that achieve total removal of Cu2+ from water samples.
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19
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Elnagar MM, Hashem MA, Hassanien MM, Ismail MA. pH-controlled mixed micelle cloud point extraction for selective removal of trace levels of iron from titanium concentrates. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.118534] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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20
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Liu B, Zhao W, Shen Y, Fan Y, Wang Y. Trimeric Cationic Surfactant Coacervation as a Versatile Approach for Removing Organic Pollutants. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:5993-6001. [PMID: 33956450 DOI: 10.1021/acs.langmuir.1c00557] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
A versatile method to remove a broad spectrum of dye pollutants from wastewater rapidly and efficiently is highly desirable. Here, we report that the complex coacervation of cationic trimeric imine-based surfactants (TISn) with negatively charged hydrolyzed polyacrylamide (HPAM) can be used for this purpose. The coacervation occurs in a wide concentration and composition range and requires the HPAM and TISn concentrations as low as 0.1 g/L and 0.1 mM, respectively. Dye effluents treated by trimeric surfactants and HPAM complete phase separation within 30 s under turbulent conditions, which generates an exceedingly small volume fraction (0.4%) of viscoelastic coacervate and a clear supernatant with a dye removal efficiency of up to 99.9% for anionic and neutral dyes in dosages of up to 120 mg/L. Crowded molecular arrangement and thick framework in coacervate are responsible for the rapid phase separation rate and low volume fraction. The trimeric imine surfactant/polymer coacervation provides a simple, effective, and sustainable approach for the rapid removal of dyes and other organic pollutants.
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Affiliation(s)
- Bin Liu
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, and Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Weiwei Zhao
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, and Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yutan Shen
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, and Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yaxun Fan
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, and Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Yilin Wang
- Beijing National Laboratory for Molecular Science (BNLMS), CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, and Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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21
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Tandem micellar catalysis and cloud point extraction process for C-S coupling reaction in water. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126263] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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22
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Beshah K, Campbell R, Dan F, Daugs E, DeFelippis J, Gu J, Wasserman E, Young WO. Insights into the behavior of ethylene oxide-1,2-epoxybutane diblock copolymers in water as a function of temperature and the presence of colloidal silica. J Colloid Interface Sci 2021; 581:102-111. [PMID: 32771722 DOI: 10.1016/j.jcis.2020.07.101] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 07/20/2020] [Accepted: 07/21/2020] [Indexed: 11/28/2022]
Abstract
HYPOTHESIS Nonionic surfactants have been widely used for many consumer products and industrial processes, and their applications often involve temperature-cycling across cloud point temperature (Tcloud). To explore the behavior of nonionic surfactants across Tcloud and when mixed with colloidal silica at a very dilute concentration around 0.1 wt%, a series of 1,2-epoxybutane-capped alcohol ethoxylates (BAEs) with various cloud points is used as a model system. EXPERIMENTS BAEs with cloud points from 15 to 64 °C were successfully prepared by varying the lengths of 1,2-epoxybutane (BO) and ethylene oxide (EO) blocks and their phase behavior across Tcloud was studied using nuclear magnetic resonance spectroscopy (NMR), dynamic light scattering (DLS) and differential scanning calorimetry (DSC). FINDINGS In the absence of silica, the NMR signals are not greatly affected by the cloud point transition, but both the water and surfactant exhibit a decrease in spin-spin relaxation time once the temperature reaches the Tcloud. In the presence of silica, the NMR spectra indicate significantly reduced mobility of the EO portion relative to the alkyl and BO segments. Furthermore, our results suggest that the BAE surfactants are not fractionally clouding out or precipitating with a portion of the compositional distribution during the cloud point transition.
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Affiliation(s)
| | | | - Florin Dan
- Dow, 400 Arcola Road, Collegeville, PA 19426, USA
| | - Edward Daugs
- Dow, 400 Arcola Road, Collegeville, PA 19426, USA
| | | | - Junsi Gu
- Dow, 400 Arcola Road, Collegeville, PA 19426, USA
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Gniazdowska E, Korytowska N, Kłudka G, Giebułtowicz J. Determination of Antidepressants in Human Plasma by Modified Cloud-Point Extraction Coupled with Mass Spectrometry. Pharmaceuticals (Basel) 2020; 13:E458. [PMID: 33322843 PMCID: PMC7764124 DOI: 10.3390/ph13120458] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 12/07/2020] [Accepted: 12/07/2020] [Indexed: 01/17/2023] Open
Abstract
Cloud-point extraction (CPE) is rarely combined with liquid chromatography coupled to mass spectrometry (LC-MS) in drug determination due to the matrix effect (ME). However, we have recently shown that ME is not a limiting factor in CPE. Low extraction efficiency may be improved by salt addition, but none of the salts used in CPE are suitable for LC-MS. It is the first time that the influences of a volatile salt-ammonium acetate (AA)-on the CPE extraction efficiency and ME have been studied. Our modification of CPE included also the use of ethanol instead of acetonitrile to reduce the sample viscosity and make the method more environmentally friendly. We developed and validated CPE-LC-MS for the simultaneous determination of 21 antidepressants in plasma that can be useful for clinical and forensic toxicology. The selected parameters included Triton X-114 concentration (1.5 and 6%, w/v), concentration of AA (0, 10, 20 and 30%, w/v), and pH (3.5, 6.8 and 10.2). The addition of 10% of AA increased recovery twice. For 20 and 30% (w/v) of AA, three phases were formed that prolonged the extraction process. The developed CPE method (6% Triton X-114, 10% AA, pH 10.2) was successfully validated through LC-MS/MS simultaneous determination of 21 antidepressants in human plasma. The linearity was in the range of 10-750 ng/mL (r2 > 0.990).
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Affiliation(s)
- Elżbieta Gniazdowska
- Łukasiewicz Research Network, Industrial Chemistry Institute, 8 Rydygiera, 01-793 Warsaw, Poland;
- Department of Bioanalysis and Drugs Analysis, Doctoral School, Medical University of Warsaw, 61 Żwirki i Wigury, 02-091 Warsaw, Poland
| | - Natalia Korytowska
- Department of Bioanalysis and Drugs Analysis, Faculty of Pharmacy, Medical University of Warsaw, 1 Banacha, 02-097 Warsaw, Poland; (N.K.); (G.K.)
| | - Grzegorz Kłudka
- Department of Bioanalysis and Drugs Analysis, Faculty of Pharmacy, Medical University of Warsaw, 1 Banacha, 02-097 Warsaw, Poland; (N.K.); (G.K.)
| | - Joanna Giebułtowicz
- Department of Bioanalysis and Drugs Analysis, Faculty of Pharmacy, Medical University of Warsaw, 1 Banacha, 02-097 Warsaw, Poland; (N.K.); (G.K.)
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24
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Arkhipov V, Arkhipov R, Filippov A. Micelles of Oxyethylated Isononylphenols in Aqueous Solutions and Hydrophilic-Lipophilic Balance. ACS OMEGA 2020; 5:28224-28232. [PMID: 33163805 PMCID: PMC7643249 DOI: 10.1021/acsomega.0c04041] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 10/15/2020] [Indexed: 06/01/2023]
Abstract
We have measured the self-diffusion coefficients and calculated the effective hydrodynamic radii of micelles of ethoxylated isononylphenols in aqueous solutions in the presence of sodium chloride, as well as in their binary mutual mixtures, when approaching cloudy conditions. These cloudy conditions were created by an increase in temperature, a change in the concentration of an electrolyte in the solution, or a mutual ratio of neonols in their binary mixtures. The results are discussed within the concept of the hydrophilic-lipophilic balance.
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Affiliation(s)
| | | | - Andrei Filippov
- Chemistry
of Interfaces, Luleå University of
Technology, Luleå, SE-91187 Luleå, Sweden
- Department
of Medical and Biological Physics, Kazan
State Medical University, 420012 Kazan, Russia
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25
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Kurnik IS, Mussagy CU, Pereira JF, Lopes AM. Amphiphilic copolymer aqueous solutions with cholinium ionic liquids as adjuvants: New insights into determination of binodal curves and phase-separation mechanisms. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.114245] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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26
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Campos DA, Schaumann GE, Philippe A. Natural TiO 2-Nanoparticles in Soils: A Review on Current and Potential Extraction Methods. Crit Rev Anal Chem 2020; 52:1-21. [PMID: 33054361 DOI: 10.1080/10408347.2020.1823812] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The monitoring of anthropogenic TiO2-nanoparticles in soils is challenged by the knowledge gap on their characteristics of the large natural TiO2-nanoparticle pool. Currently, no efficient method is available for characterizing natural TiO2-nanoparticles in soils without an extraction procedure. Considering the reported diversity of extraction methods, the following article reviews and discusses their potential for TiO2 from soils, focusing on the selectivity and the applicability to complex samples. It is imperative to develop a preparative step reducing analytical interferences and producing a stable colloidal dispersion. It is suggested that an oxidative treatment, followed by alkaline conditioning and the application of dispersive agents, achieve such task. This enables the further separation and characterization through size or surface-based separation (i.e., hydrodynamic fractionation methods, filtration or sequential centrifugation). Meanwhile, cloud point extraction, gel electrophoresis, and electrophoretic deposition have been studied on various nanoparticles but not on TiO2-nanoparticles. Furthermore, industrially applied methods in, for example, kaolin processing (flotation and flocculation) are interesting but require further improvements on terms of selectivity and applicability to soil samples. Overall, none of the current extraction methods is sufficient toward TiO2; however, further optimization or combination of orthogonal techniques could help reaching a fair selectivity toward TiO2.
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Affiliation(s)
- Daniel Armando Campos
- iES, Institute for Environmental Sciences, Group of Environmental and Soil Chemistry, University of Koblenz-Landau, Landau in der Pfalz, Germany
| | - Gabriele Ellen Schaumann
- iES, Institute for Environmental Sciences, Group of Environmental and Soil Chemistry, University of Koblenz-Landau, Landau in der Pfalz, Germany
| | - Allan Philippe
- iES, Institute for Environmental Sciences, Group of Environmental and Soil Chemistry, University of Koblenz-Landau, Landau in der Pfalz, Germany
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Urstoeger A, Wimmer A, Kaegi R, Reiter S, Schuster M. Looking at Silver-Based Nanoparticles in Environmental Water Samples: Repetitive Cloud Point Extraction Bridges Gaps in Electron Microscopy for Naturally Occurring Nanoparticles. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:12063-12071. [PMID: 32846092 DOI: 10.1021/acs.est.0c02878] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The growing use of silver-based nanoparticles (Ag-b-NPs) in everyday products goes hand in hand with their release into the environment, resulting in ng L-1 traces in natural water bodies. In order to assess their fate, possible transformations and ecotoxicology-essential information to proper risk assessment-particle size, shape, and chemical composition have to be determined. Transmission electron microscopy coupled with energy dispersive X-ray spectroscopy (TEM-EDX) is a powerful tool for determining these particle characteristics, but it requires high particle concentrations in order to produce statistically reliable results. In this study, we will present the extraction of Ag-b-NPs at environmentally relevant concentrations down to 5 ng L-1 from artificial as well as environmental water samples via cloud point extraction on a repetitive basis. The combination with an on-grid centrifugation technique ensures an efficient concentration and deposition of the extracted particles onto the TEM grid for subsequent TEM-EDX measurements. Furthermore, electron microscopy investigations were supplemented by single particle inductively coupled plasma mass spectrometry (sp-ICP-MS) measurements. Ag-b-NPs were successfully visualized and characterized at environmentally relevant concentrations of 5 ng L-1 with TEM-EDX and sp-ICP-MS measurements. Their size, shape, and chemical composition were not affected by the sample preparation.
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Affiliation(s)
- Alexander Urstoeger
- Division of Analytical Chemistry, Department of Chemistry, Technical University of Munich, Lichtenbergstraße 4, Garching 85748, Germany
| | - Andreas Wimmer
- Division of Analytical Chemistry, Department of Chemistry, Technical University of Munich, Lichtenbergstraße 4, Garching 85748, Germany
| | - Ralf Kaegi
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, Überlandstrasse 133, Dübendorf 8600, Switzerland
| | - Simon Reiter
- Division of Analytical Chemistry, Department of Chemistry, Technical University of Munich, Lichtenbergstraße 4, Garching 85748, Germany
| | - Michael Schuster
- Division of Analytical Chemistry, Department of Chemistry, Technical University of Munich, Lichtenbergstraße 4, Garching 85748, Germany
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28
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Benabdallah N, Hadj Youcef M, Reffas H, Bendraoua A. Evaluation and optimization of mixed-micelle mediated cloud point extraction of nickel(II) from concentrated chloride medium with Triton X-114-amphiphilic Schiff bases. SEP SCI TECHNOL 2020. [DOI: 10.1080/01496395.2020.1826524] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Nabil Benabdallah
- Laboratoire de Chimie et d’Electrochimie des Complexes Métalliques (LCECM), Département de Génie Chimique, Faculté de Chimie, Université des Sciences et de la Technologie d’Oran-Mohamed Boudiaf (USTOMB), Oran, Algérie
| | - Mohammed Hadj Youcef
- Laboratoire de Chimie et d’Electrochimie des Complexes Métalliques (LCECM), Département de Génie Chimique, Faculté de Chimie, Université des Sciences et de la Technologie d’Oran-Mohamed Boudiaf (USTOMB), Oran, Algérie
| | - Hasnia Reffas
- Laboratoire de Chimie et d’Electrochimie des Complexes Métalliques (LCECM), Département de Génie Chimique, Faculté de Chimie, Université des Sciences et de la Technologie d’Oran-Mohamed Boudiaf (USTOMB), Oran, Algérie
| | - Abdelaziz Bendraoua
- Laboratoire de Synthèse organique, Physico-chimie, Biomoléculeset Environnement (LSPBE), Université des Sciences et de la Technologie d’Oran-Mohamed Boudiaf (USTOMB), Oran, Algérie
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29
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Marothu VK, K. P, G. M, K. L. Cloud point extraction as a sample enrichment technique for capillary electrophoresis–An overview. J LIQ CHROMATOGR R T 2020. [DOI: 10.1080/10826076.2020.1790386] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
| | - Padmalatha K.
- Vijaya Institute of Pharmaceutical Sciences for Women, Vijayawada, India
| | - Madhavi G.
- Vijaya Institute of Pharmaceutical Sciences for Women, Vijayawada, India
| | - Lasya K.
- Vijaya Institute of Pharmaceutical Sciences for Women, Vijayawada, India
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30
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Nakagawa T, Hinze WL, Takagai Y. Rapid Micelle-Mediated Size-Controlled Fabrication of Calcium Sulfate Nanorods Using Silver Nanoparticles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:7456-7462. [PMID: 32539405 DOI: 10.1021/acs.langmuir.0c01043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Calcium sulfate nanorods (CS-NRs) are valuable materials utilized in various applications, particularly in the medical field. In this work, the size-controlled synthesis of CS-NRs was carried out on the basis of the micelle-mediated phase separation phenomenon. A nonionic surfactant, Triton X-114, was employed for the thermoresponsive phase separation of a homogeneous solution to a surfactant-rich phase. Whereas each specific ion, Ca2+ and SO42-, was difficult to individually extract when present at concentrations less than their equilibrium concentration (solubility product constant, Ksp), the synthesized CS microrods (CS-μRs) were extracted into the surfactant-rich phase (enrichment factor = ca. 50). The presence of nitric acid increased the size of the materials up to 6707 ± 3488 nm on the long side and 87 ± 37 nm on the short side. The addition of silver nanoparticles (Ag-NPs) to the reaction mixture led to the formation of much smaller products, i.e., uniform CS-NRs whose sizes were in the range of 89 ± 15 nm (long side) and 25 ± 4 nm (short side). The size of the extracted Ag-NPs and CS-NRs decreased with an increase in added Ag-NP concentration until their microscopic observation became difficult. The factors (such as additive concentration, pH, temperature) affecting size control were evaluated.
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Affiliation(s)
- Taichi Nakagawa
- Faculty of Symbiotic Systems Science, Cluster of Science and Technology, Fukushima University, 1 Kanayagawa, Fukushima 960-1296, Japan
| | - Willie L Hinze
- Department of Chemistry, Wake Forest University, P.O. Box 7486, Winston-Salem, North Carolina 27109, United States
| | - Yoshitaka Takagai
- Faculty of Symbiotic Systems Science, Cluster of Science and Technology, Fukushima University, 1 Kanayagawa, Fukushima 960-1296, Japan
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31
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Haidar CN, Martini G, Pellegrini Malpiedi L, Nerli BB. Rhamnolipids biosurfactants as potential modulators of phase and partitioning behavior in micellar systems of aliphatic alcohol ethoxylate surfactants. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113125] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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32
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Safa F, Osaghi B. Adsorption onto MWCNTs Coupled with Cloud Point Extraction for Dye Removal from Aqueous Solutions: Optimization by Experimental Design. Comb Chem High Throughput Screen 2020; 24:246-258. [PMID: 32552635 DOI: 10.2174/1386207323666200618153940] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 01/17/2020] [Accepted: 04/20/2020] [Indexed: 11/22/2022]
Abstract
AIMS The main aim of the study was to examine the feasibility and benefits of adsorption onto multi-walled carbon nanotubes (MWCNTs) coupled with cloud point extraction (CPE) for the removal of Rhodamine B (RB) from aqueous solutions. BACKGROUND MWCNTs offer the particular features of the ideal adsorbents for the organic dyes such as hollow tubular structure and specific surface area. Nevertheless, they suffer from the drawbacks of low dispersion in the aqueous solutions and separation inconvenience from the media. Cloud point extraction, combined with the adsorption onto MWCNTs can be a promising method to overcome the problems. OBJECTIVE In the study, adsorption onto MWCNTs coupled with CPE was applied for RB removal from aqueous solutions. The process was optimized by the response surface modeling method. Moreover, the applicability of the proposed method in the real sample analyses was investigated. METHODS MWCNTs were used as adsorbent and Triton X-100 (TX-100) as the nonionic surfactant for CPE process. The experiments were carried out based on a Box-Behnken design (BBD) with the input variables of MWCNTs dosage (0.6-1.2 mg), solution pH (3-9), clouding time (20-40 min) and TX-100 concentration (10-20 v/v%) using 5 mg L-1 RB solutions. RESULT Regression analyses resulted in a statistically significant quadratic model (R2=0.9718, F=24.96, p<0.0001) by which the optimum levels of the variables were predicted as: MWCNTs dosage of 0.7 mg, pH=3, clouding time of 39.9 minutes and TX-100 concentration of 19.91% (v/v). The predicted conditions were experimentally validated by achieving an RB removal of 94.24%. CONCLUSION Based on the results, the combination of the environmentally friendly technique of CPE with adsorption onto MWCNTs allows the efficient removal of RB from water samples and the method can be effectively optimized by the response surface modeling.
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Affiliation(s)
- Fariba Safa
- Department of Chemistry, Rasht Branch, Islamic Azad University, Rasht, Iran
| | - Bahare Osaghi
- Department of Chemistry, Rasht Branch, Islamic Azad University, Rasht, Iran
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33
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de Oliveira Júnior SD, de Araújo Padilha CE, de Asevedo EA, de Macedo GR, dos Santos ES. Recovery and purification of cellulolytic enzymes from Aspergillus fumigatus CCT 7873 using an aqueous two-phase micellar system. ANN MICROBIOL 2020. [DOI: 10.1186/s13213-020-01573-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Abstract
Purpose
In this study, an aqueous two-phase micellar system (ATPMS), formed by the non-ionic surfactant Triton X-114, was used to investigate the partitioning of cellulolytic enzymes produced by the filamentous fungus Aspergillus fumigatus CCT 7873.
Methods
Performance of the ATPMS on the partitioning of CMCase (activity on carboxymethyl cellulose) and FPase (activity on filter paper) was investigated by varying the temperature (35, 40, 45, 50, 55, 60, and 65 °C), enzyme crude extract concentration (20, 40, 60, and 80% w/w), and Triton X-114 concentration (2, 4, 6, and 8% w/w) and by adding different inorganic salts (NaCl, CaCl2, MgSO4, and MnSO4) in the system.
Results
An ATPMS formed with 8% (w/w) Triton X-114 and 40% (w/w) enzymatic crude extract at a system temperature of 55 °C was most favorable for partitioning the tested enzymes. Under these conditions, a purification factor for CMCase and FPase of 10.89 and 0.65 was reached, respectively. The addition of inorganic salts changed the distribution of enzymes. Of these, CaCl2 contributed to a higher distribution coefficient (50.0), whereas for FPase, the presence of MnSO4 in the system improved the purification factor to 3.94.
Conclusion
The highest values obtained for the yield and purification factors demonstrate that ATPMS is an interesting option for recovering and purifying cellulolytic enzymes.
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Twenty years of supramolecular solvents in sample preparation for chromatography: achievements and challenges ahead. Anal Bioanal Chem 2020; 412:6037-6058. [PMID: 32206847 DOI: 10.1007/s00216-020-02559-y] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 02/20/2020] [Accepted: 02/28/2020] [Indexed: 02/06/2023]
Abstract
Supramolecular solvents (SUPRAS) have progressively become a suitable alternative to organic solvents for sample preparation in chromatographic analysis. The inherent properties of these nanostructured solvents (e.g. different polarity microenvironments, multiple binding sites, possibility of tailoring their properties, etc.) offer multiple opportunities for the development of innovative sample treatment platforms not approachable by conventional solvents. In this review, major achievements attained in the combination SUPRAS-chromatography in the last 20 years as well as the challenges that should be addressed in the near future are critically discussed. Among achievements, particular attention is paid to the theoretical and practical knowledge gained that has helped make substantial progress in the area. In this respect, advances in the understanding of the mechanisms involved in SUPRAS formation and SUPRAS-solute interactions driving extractions are discussed, with a view to the setting up of knowledge-based extraction procedures. Likewise, the strategies followed to improve the compatibility of SUPRAS extracts with liquid and gas chromatography and adapt SUPRAS-based extractions to different formats are presented. Ongoing efforts to apply SUPRAS in multicomponent extractions and synthesize tailored SUPRAS for the development of innovative sample treatments are highlighted. Among challenges identified, discussion is focused on the automation of SUPRAS-based sample treatment and the elucidation of SUPRAS nanostructures, which are considered essential for their acceptance in routine labs and the design of tailored SUPRAS with programmed functions. Graphical abstract.
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López-Mayan J, Barciela-Alonso MC, Domínguez-González MR, Peña-Vázquez E, Bermejo-Barrera P. Cloud point extraction and ICP-MS for titanium speciation in water samples. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104264] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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36
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Kori S. Cloud point extraction coupled with back extraction: a green methodology in analytical chemistry. Forensic Sci Res 2019; 6:19-33. [PMID: 34007513 PMCID: PMC8112826 DOI: 10.1080/20961790.2019.1643567] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 04/15/2019] [Accepted: 05/13/2019] [Indexed: 12/05/2022] Open
Abstract
Recently, cloud point extraction (CPE) coupled with back extraction (BE) has been suggested as a promising alternative to liquid-liquid extraction. In CPE, non-ionic surfactants in aqueous solutions form micelles and the solution becomes turbid when heated to the cloud point temperature. Microwave- or ultrasonic-assisted BE can be performed after CPE and before injection of the sample for instrumental analysis by ultraviolet-visible spectroscopy, high-performance liquid chromatography, gas chromatography, gas chromatography-mass spectrometry, or liquid chromatography-mass spectrometry. This article reviews selected published scientific research on the application of CPE-BE to the determination of alkaloids, drugs and organophosphorus compounds from several complex matrices. This method could be scaled-up for use in forensic science.
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Affiliation(s)
- Shivpoojan Kori
- Chemistry, Biochemistry & Forensic Science, Amity School of Applied Sciences, Amity University Gurgaon (Manesar), Haryana, India
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37
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Doroschuk VO, Matsenko IY, Mandzyuk YS, Makukha OG, Grytsyk NO. Cloud Point Extraction Combined with Liquid Chromatography Coupled to Tandem Mass Spectrometry for the Determination of Verapamil in Urine. JOURNAL OF ANALYTICAL CHEMISTRY 2019. [DOI: 10.1134/s1061934819070025] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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38
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Chanachichalermwong W, Charoensaeng A, Suriyapraphadilok U. Krafft Point Prediction of Anionic Surfactants Using Group Contribution Method: First‐Order and Higher‐Order Groups. J SURFACTANTS DETERG 2019. [DOI: 10.1002/jsde.12290] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Woramet Chanachichalermwong
- The Petroleum and Petrochemical CollegeChulalongkorn University Bangkok Thailand
- Center of Excellence on Petrochemical and Materials Technology Bangkok Thailand
- Special Task Force for Applied Surfactant Research in Petroleum and Environmental ApplicationsChulalongkorn University Bangkok Thailand
| | - Ampira Charoensaeng
- The Petroleum and Petrochemical CollegeChulalongkorn University Bangkok Thailand
- Center of Excellence on Petrochemical and Materials Technology Bangkok Thailand
- Special Task Force for Applied Surfactant Research in Petroleum and Environmental ApplicationsChulalongkorn University Bangkok Thailand
| | - Uthaiporn Suriyapraphadilok
- The Petroleum and Petrochemical CollegeChulalongkorn University Bangkok Thailand
- Center of Excellence on Petrochemical and Materials Technology Bangkok Thailand
- Special Task Force for Applied Surfactant Research in Petroleum and Environmental ApplicationsChulalongkorn University Bangkok Thailand
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39
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Habbal S, Haddou B, Canselier JP, Gourdon C. Easy Removal of Methylparaben and Propylparaben from Aqueous Solution Using Nonionic Micellar System. TENSIDE SURFACT DET 2019. [DOI: 10.3139/113.110611] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
AbstractThis study aimed to investigate the simultaneous removal of methylparaben (MePB) and propylparaben (PrPB) from effluents (each one at 16 mg/L) using a nonionic micellar system containing Triton X-114. Response surface methodology (RSM) has been carried out. Extraction results using nonionic surfactant two-phase system were considered as a function of surfactant concentration and temperature variation. Four responses were investigated: MePB and PrPB extraction yield (E), solute (Xs,w) and surfactant (Xsf,w) concentrations in the aqueous phase and the volume fraction of micellar phase (ϕC) at equilibrium. Very high extraction efficiencies (99 % for PrPB and 84 % for MePB) were achieved at optimal conditions. Thereby, the amounts of PrPB and MePB were reduced 80 and 5 times, respectively. The extraction improvement using sodium sulfate was also shown. Finally, the solute stripping from micellar phase by pH change was proved.
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Affiliation(s)
- S. Habbal
- 1Laboratory of Physical Chemistry of Materials: Catalysis and Environment, University of Science and Technology of Oran, BP 1505, M'Nouar, Oran, Algeria
| | - B. Haddou
- 1Laboratory of Physical Chemistry of Materials: Catalysis and Environment, University of Science and Technology of Oran, BP 1505, M'Nouar, Oran, Algeria
| | - J. P. Canselier
- 2Laboratoire de Génie Chimique, Université de Toulouse, CNRS, INP, UPS, 4 allé Emile Monso, CS 84234, 31 432 Toulouse cedex 4 Toulouse, France
| | - C. Gourdon
- 2Laboratoire de Génie Chimique, Université de Toulouse, CNRS, INP, UPS, 4 allé Emile Monso, CS 84234, 31 432 Toulouse cedex 4 Toulouse, France
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40
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Wang S, Jiao J, Wang X, Gai Q, Kou P, Xu W, Luo M, Zhao C, Fu YJ. An integrated strategy for extraction and pre-concentration of four astragalosides from Radix Astragali by a formulated surfactant aqueous system. J IND ENG CHEM 2019. [DOI: 10.1016/j.jiec.2018.11.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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41
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Schaeffer N, Kholany M, Veloso TLM, Pereira JL, Ventura SPM, Nicaud JM, Coutinho JAP. Temperature-responsive extraction of violacein using a tuneable anionic surfactant-based system. Chem Commun (Camb) 2019; 55:8643-8646. [DOI: 10.1039/c9cc03831k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A tuneable and thermoresponsive ionic system is applied to the extraction and cloud-point separation of violacein from biomass.
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Affiliation(s)
- Nicolas Schaeffer
- CICECO – Aveiro Institute of Materials
- Department of Chemistry
- University of Aveiro
- 3810-193 Aveiro
- Portugal
| | - Mariam Kholany
- CICECO – Aveiro Institute of Materials
- Department of Chemistry
- University of Aveiro
- 3810-193 Aveiro
- Portugal
| | - Telma L. M. Veloso
- CICECO – Aveiro Institute of Materials
- Department of Chemistry
- University of Aveiro
- 3810-193 Aveiro
- Portugal
| | - Joana Luísa Pereira
- Department of Biology and CESAM – Centre for Environmental and Marine Studies
- University of Aveiro
- 3810-193 Aveiro
- Portugal
| | - Sónia P. M. Ventura
- CICECO – Aveiro Institute of Materials
- Department of Chemistry
- University of Aveiro
- 3810-193 Aveiro
- Portugal
| | - Jean-Marc Nicaud
- Micalis Institute
- INRA
- AgroParisTech
- Université Paris-Saclay
- 78350 Jouy-en-Josas
| | - João A. P. Coutinho
- CICECO – Aveiro Institute of Materials
- Department of Chemistry
- University of Aveiro
- 3810-193 Aveiro
- Portugal
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42
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Śliwa K, Śliwa P, Sikora E, Ogonowski J, Oszmiański J, Nowicka P. Application of Polyethylene/Polypropylene Glycol Ethers of Fatty Alcohols for Micelle‐Mediated Extraction of
Calendula anthodium. J SURFACTANTS DETERG 2018. [DOI: 10.1002/jsde.12237] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Karolina Śliwa
- Faculty of Chemical Engineering and TechnologyCracow University of Technology 24 Warszawska St., Cracow 31‐155 Poland
| | - Paweł Śliwa
- Faculty of Chemical Engineering and TechnologyCracow University of Technology 24 Warszawska St., Cracow 31‐155 Poland
| | - Elżbieta Sikora
- Faculty of Chemical Engineering and TechnologyCracow University of Technology 24 Warszawska St., Cracow 31‐155 Poland
| | - Jan Ogonowski
- Faculty of Chemical Engineering and TechnologyCracow University of Technology 24 Warszawska St., Cracow 31‐155 Poland
| | - Jan Oszmiański
- Department of Fruit, Vegetable and Grain TechnologyWrocław University of Environmental and Life Sciences 37 Chełmońskiego Str. Wrocław 51‐630 Poland
| | - Paulina Nowicka
- Department of Fruit, Vegetable and Grain TechnologyWrocław University of Environmental and Life Sciences 37 Chełmońskiego Str. Wrocław 51‐630 Poland
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43
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Salicylic acid assisted cloud point extraction at room temperature: Application for preconcentration and spectrophotometric determination of molybdenum(VI). Microchem J 2018. [DOI: 10.1016/j.microc.2018.07.010] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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44
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Cloud point extraction combined with HPLC–MS for the determination of nimesulide in biological samples. CHEMICAL PAPERS 2018. [DOI: 10.1007/s11696-018-0618-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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45
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Haddou B, Benkhedja H, Teixeira Da Silva De La Salles K, Canselier JP, Gourdon C. Prediction of the cloud point of polyethoxylated surfactants and their mixtures by the thermodynamic model of Flory-Huggins-Rupert. J DISPER SCI TECHNOL 2018. [DOI: 10.1080/01932691.2018.1485577] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Boumediene Haddou
- U. S. T. Oran, Faculté de Chimie, Département de Génie Chimique, Laboratoire de Physico-Chimie des Matériaux, Environnement et Catalyse, Oran, M’Nouar, Algeria
- Laboratoire de Génie Chimique UMR CNRS 5503, Université de Toulouse, BP84234, Toulouse, France
| | - Houaria Benkhedja
- U. S. T. Oran, Faculté de Chimie, Département de Génie Chimique, Laboratoire de Physico-Chimie des Matériaux, Environnement et Catalyse, Oran, M’Nouar, Algeria
- Laboratoire de Génie Chimique UMR CNRS 5503, Université de Toulouse, BP84234, Toulouse, France
| | - Katia Teixeira Da Silva De La Salles
- Laboratoire de Génie Chimique UMR CNRS 5503, Université de Toulouse, BP84234, Toulouse, France
- Departamento de Tecnologia Química, Campus Universitário do Bacanga Centro de Ciências Exatas e Tecnologia, São Luís, Brazil
| | - Jean Paul Canselier
- Laboratoire de Génie Chimique UMR CNRS 5503, Université de Toulouse, BP84234, Toulouse, France
| | - Christophe Gourdon
- Laboratoire de Génie Chimique UMR CNRS 5503, Université de Toulouse, BP84234, Toulouse, France
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46
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Malinowska M, Śliwa K, Sikora E, Ogonowski J, Oszmiański J, Kolniak‐Ostek J. Ultrasound‐assisted and micelle‐mediated extraction as a method to isolate valuable active compounds from apple pomace. J FOOD PROCESS PRES 2018. [DOI: 10.1111/jfpp.13720] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Magdalena Malinowska
- Faculty of Chemical Engineering and Technology, Institute of Organic Chemistry and Technology Cracow University of Technology Cracow Poland
| | - Karolina Śliwa
- Faculty of Chemical Engineering and Technology, Institute of Organic Chemistry and Technology Cracow University of Technology Cracow Poland
| | - Elżbieta Sikora
- Faculty of Chemical Engineering and Technology, Institute of Organic Chemistry and Technology Cracow University of Technology Cracow Poland
| | - Jan Ogonowski
- Faculty of Chemical Engineering and Technology, Institute of Organic Chemistry and Technology Cracow University of Technology Cracow Poland
| | - Jan Oszmiański
- Department of Fruit, Vegetable and Grain Technology Wroclaw University of Environmental and Life Sciences Wroclaw Poland
| | - Joanna Kolniak‐Ostek
- Department of Fruit, Vegetable and Grain Technology Wroclaw University of Environmental and Life Sciences Wroclaw Poland
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47
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Shao Y, Wu C, Wu T, Li Y, Chen S, Yuan C, Hu Y. Eugenol-chitosan nanoemulsions by ultrasound-mediated emulsification: Formulation, characterization and antimicrobial activity. Carbohydr Polym 2018; 193:144-152. [DOI: 10.1016/j.carbpol.2018.03.101] [Citation(s) in RCA: 89] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2017] [Revised: 03/27/2018] [Accepted: 03/30/2018] [Indexed: 01/18/2023]
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48
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Arkhipov VP, Arkhipov RV, Idiyatullin ZS. Efficiency and Kinetics of Extracting Phenol from Aqueous Solutions Using Nonionic Surfactants. RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A 2018. [DOI: 10.1134/s0036024418080046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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49
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Cheung SF, Yee MF, Le NK, Wu BM, Kamei DT. A one-pot, isothermal DNA sample preparation and amplification platform utilizing aqueous two-phase systems. Anal Bioanal Chem 2018; 410:5255-5263. [PMID: 29947898 DOI: 10.1007/s00216-018-1178-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Revised: 05/21/2018] [Accepted: 05/30/2018] [Indexed: 12/18/2022]
Abstract
Infectious diseases remain one of the major causes of death worldwide in developing countries. While screening via conventional polymerase chain reaction (PCR) is the gold standard in laboratory testing, its limited applications at the point-of-care have prompted the development of more portable nucleic acid detection systems. These include isothermal DNA amplification techniques, which are less equipment-intensive than PCR. Unfortunately, these techniques still require extensive sample preparation, limiting user accessibility. In this study, we introduce a novel system that combines thermophilic helicase-dependent amplification (tHDA) with a Triton X-100 micellar aqueous two-phase system (ATPS) to achieve cell lysis, lysate processing, and enhanced nucleic acid amplification in a simple, one-step process. The combined one-pot system was able to amplify and detect a target gene from whole-cell samples containing as low as 102 cfu/mL, and is the first known application of ATPSs to isothermal DNA amplification. This system's ease-of-use and sensitivity underlie its potential as a point-of-care diagnostic platform to detect for infectious diseases. Graphical abstract ᅟ.
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Affiliation(s)
- Sherine F Cheung
- Department of Bioengineering, University of California, 5121 Engineering V, 420 Westwood Plaza, Los Angeles, CA, 90095, USA
| | - Matthew F Yee
- Department of Bioengineering, University of California, 5121 Engineering V, 420 Westwood Plaza, Los Angeles, CA, 90095, USA
| | - Nguyen K Le
- Department of Bioengineering, University of California, 5121 Engineering V, 420 Westwood Plaza, Los Angeles, CA, 90095, USA
| | - Benjamin M Wu
- Department of Bioengineering, University of California, 5121 Engineering V, 420 Westwood Plaza, Los Angeles, CA, 90095, USA.,Division of Advanced Prosthodontics & Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry, Los Angeles, CA, 90095, USA
| | - Daniel T Kamei
- Department of Bioengineering, University of California, 5121 Engineering V, 420 Westwood Plaza, Los Angeles, CA, 90095, USA.
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50
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Kungsanant S, Kittisrisawai S, Suriya-Amrit P, Kitiyanan B, Chavadej S, Osuwan S, Scamehorn JF. Study of nonionic surfactants on HVOCs removal from coacervate solutions using cocurrent vacuum stripping in a packed column. SEP SCI TECHNOL 2018. [DOI: 10.1080/01496395.2018.1458877] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Suratsawadee Kungsanant
- Department of Chemical Engineering, Faculty of Engineering, Prince of Songkla University, Hat Yai, Thailand
| | | | - Pornchai Suriya-Amrit
- The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok, Thailand
| | - Boonyarach Kitiyanan
- The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok, Thailand
| | - Sumaeth Chavadej
- The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok, Thailand
| | - Somchai Osuwan
- The Petroleum and Petrochemical College, Chulalongkorn University, Bangkok, Thailand
| | - John F. Scamehorn
- Institute for Applied Surfactant Research and Department of Chemical, Biological, and Materials Engineering, University of Oklahoma, Norman, OK, USA
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