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Szymczyk K, Taraba A, Zdziennicka A, Jańczuk B. Adsorption and volumetric properties of some nonionic surfactants and their mixtures with quercetin and rutin. Adv Colloid Interface Sci 2023; 314:102885. [PMID: 36963333 DOI: 10.1016/j.cis.2023.102885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 03/14/2023] [Accepted: 03/14/2023] [Indexed: 03/19/2023]
Abstract
The adsorption and volumetric properties of the Triton X-114 (TX114), Tween 80 (T80), quercetin (Q) and rutin (Ru) at the different temperatures in relation to above properties of the TX114 and T80 mixtures with quercetin and rutin in the absence and presence of alcohol were discussed based on the studies reported in the literature. The adsorption isotherms of the mixtures of the nonionic surfactants with flavonoids in the presence and absence of alcohol were analyzed based on the isotherms of the surface tension of the particular mixture components and thermodynamic parameters of the adsorption of these components at the water-air interface. The surface tension isotherms of the particular component of the mixtures were taken into account while considering the surface tension isotherms of the mixtures and the composition of the mixed surface layer at the water-air interface. Different ways of the mixed surface layer composition determination were shown. The values of the surface tension and composition of the mixed surface layers obtained using different methods were discussed in the light of the intermolecular interactions and their contribution to the surface tension of the surfactants mixture with flavonoids and alcohol. The composition of the mixed monolayer and the bulk phase were compared and the differences between them were explained. The behaviour of the nonionic surfactants and flavonoids in the presence and absence of alcohol was analyzed in relation to the micelle formations and molar volumes of the mixtures and their components. Moreover, the micelles composition and their size as well as the thermodynamic parameters of the micellization process were analyzed.
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Affiliation(s)
- Katarzyna Szymczyk
- Department of Interfacial Phenomena, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University in Lublin, Maria Curie-Skłodowska Sq. 3, 20-031 Lublin, Poland.
| | - Anna Taraba
- Department of Interfacial Phenomena, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University in Lublin, Maria Curie-Skłodowska Sq. 3, 20-031 Lublin, Poland
| | - Anna Zdziennicka
- Department of Interfacial Phenomena, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University in Lublin, Maria Curie-Skłodowska Sq. 3, 20-031 Lublin, Poland
| | - Bronisław Jańczuk
- Department of Interfacial Phenomena, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University in Lublin, Maria Curie-Skłodowska Sq. 3, 20-031 Lublin, Poland
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Szymczyk K, Zdziennicka A, Jańczuk B. Properties of some nonionic fluorocarbon surfactants and their mixtures with hydrocarbon ones. Adv Colloid Interface Sci 2021; 292:102421. [PMID: 33957391 DOI: 10.1016/j.cis.2021.102421] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 04/13/2021] [Accepted: 04/13/2021] [Indexed: 02/07/2023]
Abstract
The adsorption of Zonyl FSN-100 (FSN100, having an average 14 oxyethylene units and 6 -CF2 groups) and Zonyl FSO-100 (FSO100, having an average 10 oxyethylene units and 5 -CF2 groups) as well as of their mixtures with p-(1,1,3,3-tetramethylbutyl) phenoxypoly(ethylene glycols) having 10, 16 and 8 oxyethylene groups in molecule (TX100, TX165, TX114) and cetyltrimethylammonium bromide (CTAB) at the solution-air and polytetrafluoroethylene (PTFE)-solution and polymethyl methacrylate (PMMA)-solution interfaces as well as the composition of the surface mixed layer was discussed based on the literature data. The adsorption properties of nonionic fluorocarbon surfactants were compared to those of the classical ones on the basis of the Gibbs standard free energy of adsorption determined by different ways and the intermolecular interactions of the surfactant molecules through the water phase. The synergetic effect in the reduction of the water surface tension by the mixture of fluorocarbon and classical nonionic surfactant was shown and explained by the comparison of the composition of the mixed surface layer to those in the bulk phase. The composition of the mixed fluorocarbon and classical surfactant layer at the solution-air interface was compared to that formed at the PTFE-solution and PMMA-solution interfaces. The changes of the surface tension of the aqueous solution of the fluorocarbon surfactants and their mixtures with classical hydrocarbon ones and their adsorption were analyzed taking into account the PTFE and PMMA surface wettability. This analysis was also based on the components and parameters of the head and tail of the surfactants surface tension as well as those of PTFE and PMMA. Apart from adsorption and wetting properties the aggregation of the fluorocarbon surfactants and their mixtures was discussed. A specific attention was paid to the possibility of two CMC values in the case of nonionic fluorocarbon surfactants as well as the synergism in CMC of mixtures of nonionic fluorocarbon and hydrocarbon surfactants.
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Affiliation(s)
- Katarzyna Szymczyk
- Department of Interfacial Phenomena, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University in Lublin, Maria Curie-Skłodowska Sq. 3, 20-031 Lublin, Poland.
| | - Anna Zdziennicka
- Department of Interfacial Phenomena, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University in Lublin, Maria Curie-Skłodowska Sq. 3, 20-031 Lublin, Poland
| | - Bronisław Jańczuk
- Department of Interfacial Phenomena, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University in Lublin, Maria Curie-Skłodowska Sq. 3, 20-031 Lublin, Poland
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Yamakawa A, Hayase H, Hiraki S, Imai Y, Ina T, Nitta K, Tanida H, Uruga T, Takiue T. Condensed Film Formation and Molecular Packing in Cationic Surfactant-Cholesterol and Zwitterionic Surfactant-Cholesterol Systems at the Hexane/Water Interface. J Phys Chem B 2020; 124:9275-9282. [PMID: 32997501 DOI: 10.1021/acs.jpcb.0c07874] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A condensed film formation of surfactants with a charged head group at the oil/water interface was achieved by mixing surfactants of different geometric shapes to control molecular packing at the interface. The adsorbed films of mixed tetradecyltrimethylammonium bromide (C14TAB)-cholesterol (Chol) and tetradecylphosphocholine (C14PC)-Chol systems at the hexane/water interface were examined by interfacial tension and X-ray reflectivity measurements. The interfacial tension versus Chol concentration curves have break points because of the expanded-condensed phase transition of the adsorbed film. A two dimensional (2D) phase diagram, phase diagram of adsorption, indicated that 1:1 mixing in the condensed film is energetically favorable because of stronger mutual interaction between different molecules than between the same ones. The electron density profile normal to the interface manifested that the packing of C14TAB (or C14PC) and Chol molecules is like a 2D solid in the condensed state. As C14TAB and C14PC molecules take a corn shape with a large head group (critical packing parameter: CPP ≈ 1/3) and Chol takes an inverted corn shape with a bulky sterol ring (CPP > 1), the mixing of corn shape and inverted corn shape molecules produces well-ordered packing to promote solid-like molecular packing at the interface by energy gain because of vdW interaction between hydrophobic chains in addition to attractive ion-dipole interaction between head groups. Furthermore, the heterogeneous feature in the adsorbed film of the C14TAB-Chol system is explained by an interplay between contact energy and dipole interaction, which contribute to line tension at the domain boundary.
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Affiliation(s)
- Ayumi Yamakawa
- Department of Chemistry, Faculty of Science, Kyushu University, Fukuoka 819-0395, Japan
| | - Haruna Hayase
- Department of Chemistry, Faculty of Science, Kyushu University, Fukuoka 819-0395, Japan
| | - Shinya Hiraki
- Department of Chemistry, Faculty of Science, Kyushu University, Fukuoka 819-0395, Japan
| | - Yosuke Imai
- Faculty of Arts and Science, Kyushu University, Fukuoka 819-0395, Japan
| | - Toshiaki Ina
- Japan Synchrotron Radiation Research Institute, Hyogo 679-5198, Japan
| | - Kiyofumi Nitta
- Japan Synchrotron Radiation Research Institute, Hyogo 679-5198, Japan
| | - Hajime Tanida
- Japan Synchrotron Radiation Research Institute, Hyogo 679-5198, Japan
| | - Tomoya Uruga
- Japan Synchrotron Radiation Research Institute, Hyogo 679-5198, Japan
| | - Takanori Takiue
- Department of Chemistry, Faculty of Science, Kyushu University, Fukuoka 819-0395, Japan.,Faculty of Arts and Science, Kyushu University, Fukuoka 819-0395, Japan
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Padsala S, Dharaiya N, Ray D, Aswal VK, Sastry NV, Bahadur P. Self-organization of mixtures of sodium oleate and imidazolium based surface active ionic liquids studied by tensiometry, rheology and neutron scattering. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2017.10.108] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Villeneuve M, Tanaka M, Saito N, Sakamoto H, Hayami Y. Uptake of iron (III)-ethylenediamine-N, N, N', N'-tetraacetic acid complex by phosphatidylcholine lipid film. Part II. Effect of film curvature. Chem Phys Lipids 2017; 210:14-21. [PMID: 29241981 DOI: 10.1016/j.chemphyslip.2017.12.001] [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: 11/10/2017] [Accepted: 12/02/2017] [Indexed: 11/15/2022]
Abstract
Mixed micelles formed in a ternary-solute aqueous solution of NaOH, iron (III)-ethylenediamine-N, N, N', N'-tetraacetic acid complex (Fe-EDTA) and 1,2-diheptanoyl-sn-glycero-3-phosphatidyl choline (DHPC) were studied and compared with the mixed adsorbed film reported in Part I of this series to clarify the effect of the curvature of molecular assemblies on the interactions between their Fe-EDTA and DHPC constituents. The critical micelle concentrations (CMCs), surface tension at the CMC, and solution pH were measured as functions of the mole fractions of NaOH and DHPC. Rigorous thermodynamic equations were derived, in which the overall proton dissociation equilibria of Fe-EDTA and DHPC were taken into consideration, and applied to experimental data to obtain phase diagrams of micelle formation and the micelle-adsorbed film equilibrium. It was found that when the bulk solution was strongly acidic, Fe-EDTA was incorporated in the micelles. However, the adsorbed film was more Fe-EDTA-enriched than the micelle. These findings imply that a flat cell membrane is more permeable to an iron complex than a cell membrane with positive curvature.
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Affiliation(s)
- Masumi Villeneuve
- Graduate School of Integrated Arts and Sciences, Hiroshima University, 1-7-1 Kagamiyama, Higashi-Hiroshima 739-8521, Japan.
| | - Mihoko Tanaka
- Division of Material Science, Graduate School of Science and Engineering, Saitama University, 255 Shimo-okubo, Sakura-ku, Saitama 338-8570, Japan
| | - Natsumi Saito
- Division of Material Science, Graduate School of Science and Engineering, Saitama University, 255 Shimo-okubo, Sakura-ku, Saitama 338-8570, Japan
| | - Hiroyasu Sakamoto
- Graduate School of Design, Kyushu University, 4-9-1 Shiobaru, Minami-ku, Fukuoka 815-8540, Japan
| | - Yoshiteru Hayami
- Department of Contemporary Social Studies, Faculty of Contemporary Social Studies, Chikushi Jogakuen University, 2-12-1 Ishizaka, Dazaifu, Fukuoka 818-0192, Japan
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Physicochemical properties and esterolytic reactivity of oxime functionalized surfactants in pH-responsive mixed micellar system. Colloids Surf A Physicochem Eng Asp 2017. [DOI: 10.1016/j.colsurfa.2017.04.039] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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8
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Nave MI, Gu Y, Karen Chen-Wiegart YC, Wang J, Kornev KG. Is an electric field always a promoter of wetting? Electro-dewetting of metals by electrolytes probed by in situ X-ray nanotomography. Faraday Discuss 2017; 199:101-114. [DOI: 10.1039/c6fd00239k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We developed a special electrochemical cell enabling quantitative analysis and in situ X-ray nanotomography of metal/electrolyte interfaces subject to corrosion. Using this cell and applying the nodoid model to describe menisci formed on tungsten wires during anodization, the evolution of the electrolyte surface tension, the concentration of reaction products, and the meniscus contact angle were studied. In contrast to the electrowetting effect, where the applied electric field decreases the contact angle of electrolytes, anodization of the tungsten wires increases the contact angle of the meniscus. Hence, an electric field favors dewetting rather than wetting of the newly formed surface. The discovered effect opens up new opportunities for the control of wetting phenomena and calls for the revision of existing theories of electrowetting.
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Affiliation(s)
- Maryana I. Nave
- Department of Materials Science and Engineering
- Clemson University
- Clemson
- USA
| | - Yu Gu
- Department of Materials Science and Engineering
- Clemson University
- Clemson
- USA
| | | | - Jun Wang
- Photon Sciences Directorate
- Brookhaven National Laboratory
- Upton
- USA
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Li P, Ma K, Thomas RK, Penfold J. Analysis of the Asymmetric Synergy in the Adsorption of Zwitterionic–Ionic Surfactant Mixtures at the Air–Water Interface below and above the Critical Micelle Concentration. J Phys Chem B 2016; 120:3677-91. [DOI: 10.1021/acs.jpcb.6b00762] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Peixun Li
- Physical
and Theoretical Chemistry Laboratory, University of Oxford, South Parks
Road, Oxford, OX1 3QZ, U.K
| | - Kun Ma
- Physical
and Theoretical Chemistry Laboratory, University of Oxford, South Parks
Road, Oxford, OX1 3QZ, U.K
| | - Robert K. Thomas
- Physical
and Theoretical Chemistry Laboratory, University of Oxford, South Parks
Road, Oxford, OX1 3QZ, U.K
| | - Jeffrey Penfold
- Physical
and Theoretical Chemistry Laboratory, University of Oxford, South Parks
Road, Oxford, OX1 3QZ, U.K
- Rutherford-Appleton Laboratory, Science & Technology Facilities Council, Chilton, Didcot, OX11 0QX, U.K
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Negm NA, Mishrif MR, Mohamed DE. Vanillin based cationic surfactants mixed systems: Micellization and interfacial interaction behaviors in presence of nonionic conventional surfactant. Colloids Surf A Physicochem Eng Asp 2015. [DOI: 10.1016/j.colsurfa.2014.09.035] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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11
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Mixed Micellization and Interfacial Properties of Ionic Liquid-Type Imidazolium Gemini Surfactant with Amphiphilic Drug Amitriptyline Hydrochloride and its Thermodynamics. J SURFACTANTS DETERG 2015. [DOI: 10.1007/s11743-015-1709-3] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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12
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Nave MI, Chen-Wiegart YCK, Wang J, Kornev KG. Precipitation and surface adsorption of metal complexes during electropolishing. Theory and characterization with X-ray nanotomography and surface tension isotherms. Phys Chem Chem Phys 2015; 17:23121-31. [DOI: 10.1039/c5cp03431k] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Using X-ray nano-tomography, a gel-like phase formed at the tungsten surface during electropolishing was discovered and attributed to a complex process of precipitation and sintering of tungsten-based nuclei.
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Affiliation(s)
- Maryana I. Nave
- Department of Materials Science and Engineering
- Clemson University
- Clemson
- USA
| | | | - Jun Wang
- Photon Sciences Directorate
- Brookhaven National Laboratory
- Upton
- USA
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13
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A study of the interaction between a phenothiazine drug promazine hydrochloride with cationic surfactants. J Mol Liq 2013. [DOI: 10.1016/j.molliq.2013.09.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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14
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Szymczyk K. Properties of the ternary mixtures of fluorocarbon and hydrocarbon nonionic surfactants at the water–air interface. J Fluor Chem 2013. [DOI: 10.1016/j.jfluchem.2013.01.036] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Szymczyk K. Composition of Multicomponent Surfactant Systems at the Water–Air Interface. J SURFACTANTS DETERG 2012. [DOI: 10.1007/s11743-012-1336-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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16
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Iyota H, Ikeda N, Krastev R. Thermodynamic studies on thin liquid films IV. Foam film stabilized by sodium dodecyl sulfate. J Colloid Interface Sci 2011; 364:170-7. [PMID: 21920527 DOI: 10.1016/j.jcis.2011.08.035] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2011] [Revised: 08/12/2011] [Accepted: 08/13/2011] [Indexed: 11/26/2022]
Abstract
Thermodynamic treatment of thin liquid films in Part III of this series was applied to foam films stabilized by sodium dodecyl sulfate. Miscibility of sodium chloride and sodium dodecyl sulfate in the adsorbed films at the film surfaces and transition between the black films were studied by measuring film thickness and contact angle. A discontinuous change in the thickness and a break on the contact angle vs. concentration curve appeared at the transition. Judging from the phase diagram of adsorption, sodium chloride and sodium dodecyl sulfate are a little miscible in the adsorbed films. The miscibility was ascribed to specific interaction between sodium ion and dodecyl sulfate ion in the adsorbed films. The miscibility in an adsorbed film was compared between the film surface and meniscus and between the common black and Newton black films.
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Affiliation(s)
- Hidemi Iyota
- Department of Life and Environmental Science, Kagoshima Prefectural College, Kagoshima 890-0005, Japan.
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Rodríguez JL, Minardi RM, Schulz EP, Pieroni O, Schulz PC. The Composition of Mixed Micelles Formed by Dodecyl Trimethyl Ammonium Bromide and Benzethonium Chloride in Water. J SURFACTANTS DETERG 2011. [DOI: 10.1007/s11743-011-1302-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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18
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Thermodynamic quantities of surface formation of aqueous electrolyte solutions X. Aqueous solution of 2:1 valence-type salts. J Colloid Interface Sci 2011; 356:713-7. [DOI: 10.1016/j.jcis.2011.01.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2010] [Revised: 12/25/2010] [Accepted: 01/02/2011] [Indexed: 11/19/2022]
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19
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The Properties of Binary Mixtures of Ethoxylated Octyl Phenols with Ethoxylated Fluorinated Alkanols at the Water/Air Interface. J SURFACTANTS DETERG 2011. [DOI: 10.1007/s11743-011-1246-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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20
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Mixed Micellization Properties of Nonionic Fluorocarbon/Cationic Hydrocarbon Surfactants. J SURFACTANTS DETERG 2010. [DOI: 10.1007/s11743-010-1191-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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21
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Physicochemistry of the binary interacting mixtures of cetylpyridinium chloride (CPC) and sodium dodecylsulfate (SDS) with special reference to the catanionic ion-pair (coacervate) behavior. Colloids Surf A Physicochem Eng Asp 2010. [DOI: 10.1016/j.colsurfa.2009.11.039] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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22
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Wydro P, Paluch M. The miscibility of dodecyltrihydroxyethylammonium bromide with cationic, nonionic and anionic surfactants in mixed monolayers and micelles. Colloids Surf A Physicochem Eng Asp 2009. [DOI: 10.1016/j.colsurfa.2009.06.035] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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23
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Ali K, Shah AUHA, Bilal S, Shah AUHA. Surface tensions and thermodynamic parameters of surface formation of aqueous salt solutions: III. Aqueous solution of KCl, KBr and KI. Colloids Surf A Physicochem Eng Asp 2009. [DOI: 10.1016/j.colsurfa.2008.12.023] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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24
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Miscibility of sodium chloride and sodium dodecyl sulfate in the adsorbed film and aggregate. Colloid Polym Sci 2009; 287:425-433. [PMID: 19816528 PMCID: PMC2755752 DOI: 10.1007/s00396-008-1981-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2008] [Revised: 11/19/2008] [Accepted: 11/28/2008] [Indexed: 11/28/2022]
Abstract
The adsorption, micelle formation, and salting out of sodium dodecyl sulfate in the presence of sodium chloride were studied from the viewpoint of their mixed adsorption and aggregate formation. The surface tension of aqueous solutions of a sodium chloride–sodium dodecyl sulfate mixture was measured as a function of the total molality and composition of the mixture. Phase diagrams of adsorption and aggregate formation were obtained by applying thermodynamic equations to the surface tension. Judging from the phase diagrams, sodium chloride and sodium dodecyl sulfate are miscible in the adsorbed film at very large composition of sodium chloride and in the salted-out crystalline particle, while they are immiscible in the micelle. The miscibilities in the adsorbed film, micelle, and crystalline particle increase in the following order: particle > adsorbed film > micelle. The difference in miscibility among the oriented states was ascribed to the difference in geometry between the adsorbed film and micelle and to the interaction between bilayer surfaces in the particle.
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25
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Thermodynamic parameters of surface formation of some aqueous salt solutions. Colloids Surf A Physicochem Eng Asp 2008. [DOI: 10.1016/j.colsurfa.2008.07.020] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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26
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Iyota H, Abe K, Ikeda N, Motomura K, Aratono M. Nonideal mixing of alkylammonium chloride and decyldimethylphosphine oxide surfactants in adsorbed films and micelles. J Colloid Interface Sci 2008; 322:287-93. [DOI: 10.1016/j.jcis.2008.02.054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2007] [Revised: 02/18/2008] [Accepted: 02/24/2008] [Indexed: 10/22/2022]
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27
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Patil SR, Buchavzov N, Carey E, Stubenrauch C. Binary mixtures of (β-C 12G 2) with cationic and non-ionic surfactants: micelle and surface compositions. SOFT MATTER 2008; 4:840-848. [PMID: 32907190 DOI: 10.1039/b719014j] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Surfactants used for practical applications are usually surfactant mixtures because they often exhibit a performance that is superior to the individual surfactants. In the present study binary mixtures of the sugar based surfactant n-dodecyl-β-D-maltoside (β-C12G2) with the cationic surfactant dodecyl trimethylammonium bromide (C12TAB) and the non-ionic hexaethylene-glycol dodecyl ether (C12E6), respectively, were investigated at different bulk mole fractions. Surface tension measurements were used to determine the critical micelle concentration and the surfactant composition at the surface. In addition, the regular solution theory was used to calculate interaction parameters as well as the mole fractions of the individual surfactants in the mixed air-water monolayer and in the mixed micelles, respectively. It was found that n-dodecyl-β-D-maltoside interacts weakly with the cationic surfactant (C12TAB) and that it dominates in both the mixed monolayer and the mixed micelles. On the other hand, β-C12G2 and C12E6 mix ideally in solution. For both surfactant mixtures the surfactant composition at the surface determined by surface tension measurements and by the regular solution theory, respectively, were compared and discussed in detail.
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Affiliation(s)
- Sandeep R Patil
- University College Dublin, School of Chemical and Bioprocess Engineering, Belfield, Dublin 4, Ireland.
| | - Natalie Buchavzov
- Universität zu Köln, Institut für Physikalische Chemie, Luxemburger Str. 116, D-50939 Köln, Germany
| | - Enda Carey
- University College Dublin, School of Chemical and Bioprocess Engineering, Belfield, Dublin 4, Ireland.
| | - Cosima Stubenrauch
- University College Dublin, School of Chemical and Bioprocess Engineering, Belfield, Dublin 4, Ireland.
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28
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Electrolyte effect on mixed micelle and interfacial properties of binary mixtures of cationic and nonionic surfactants. J Colloid Interface Sci 2008; 318:449-56. [DOI: 10.1016/j.jcis.2007.11.005] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2007] [Revised: 11/03/2007] [Accepted: 11/05/2007] [Indexed: 11/20/2022]
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Wydro P. The influence of the size of the hydrophilic group on the miscibility of zwitterionic and nonionic surfactants in mixed monolayers and micelles. J Colloid Interface Sci 2007; 316:107-13. [PMID: 17720182 DOI: 10.1016/j.jcis.2007.07.025] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2007] [Revised: 07/12/2007] [Accepted: 07/14/2007] [Indexed: 11/20/2022]
Abstract
The aim of this work was to study the surface properties of nonionic and zwitterionic surfactants (namely dodecyl-beta-D-glucoside-DG, dodecyl-beta-D-maltoside-DM, and dodecylsulfobetaine-DSB) and the miscibility of these compounds in mixed monolayers and micelles. A thermodynamic description of the interactions between surfactants in the mixed aggregates was provided by the Motomura theory. The obtained results indicate that the investigated compounds mix nonideally both in the mixed adsorbed layers and in micelles. The calculated values of the excess free energies of mixing prove that the interactions between molecules, in the mixed monolayers and micelles, are more attractive or less repulsive than those in the respective one-component aggregates. However, the values of the excess free energy of the components mixing in the monolayers and micelles are more negative for the DSB/DG system than for the DSB/DM system. This indicates that the investigated zwitterionic surfactant interacts more strongly with DG than with DM. This results from the difference in the size of the polar heads of nonionic surfactants.
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Affiliation(s)
- Paweł Wydro
- Department of Physical Chemistry and Electrochemistry, Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland.
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30
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Hayami Y, Wataya A, Takiue T, Ikeda N, Matsubara H, Aratono M. Adsorption and micelle formation of alkylammonium chloride–alkyltrimethylammonium chloride mixtures. J Colloid Interface Sci 2007; 310:240-5. [PMID: 17349650 DOI: 10.1016/j.jcis.2007.01.096] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2006] [Revised: 01/21/2007] [Accepted: 01/22/2007] [Indexed: 10/23/2022]
Abstract
The surface tension of the aqueous solutions of binary cationic surfactant mixtures of (1) dodecylammnonium chloride (DAC)-tetradecyltrimethylammonium chloride (TTAC), (2) decylammonium chloride (DeAC)-dodecyltrimethylammonium chloride (DTAC), and (3) DAC-DTAC was measured as a function of the total molality and composition of surfactants at 298.15 K. The compositions of surfactants in the adsorbed film and micelle were evaluated and the phase diagram of adsorption and that of micelle formation were constructed. Furthermore the excess Gibbs energies of adsorption and micelle formation were calculated to estimate the deviation from the corresponding ideal mixing. It was found that the surface and micelle are enriched in trimethylammonium salts in (1) and (2), while in ammonium salt in (3) compared to the bulk solution. On the other hand, the micelle is enriched in trimethylammonium salts compared to the surface at the critical micelle concentration (CMC) in all the systems. The miscibility of the surfactants was clarified from the standpoints of the structure of the head group and of the matching between the size of polar head group of surfactants and the difference in hydrocarbon chain length.
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Affiliation(s)
- Y Hayami
- Department of Contemporary Liberal Arts, Chikushi Jogakuen Junior College, Dazaifu, Fukuoka 818-0192, Japan.
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31
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Szymczyk K, Jańczuk B. The properties of a binary mixture of nonionic surfactants in water at the water/air interface. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2007; 23:4972-81. [PMID: 17397200 DOI: 10.1021/la063554+] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
The behavior of mixed nonionic/nonionic surfactant solutions, that is, p-(1,1,3,3-tetramethylbutyl)phenoxy poly(ethylene glycol)s Triton X-100 (TX100) and Triton X-165 (TX165) have been studied by surface tension and density measurements. The obtained results of the surface tension measurements were compared with those calculated from the relations derived by Joos, Miller, and co-workers. From the comparison, it appeared that by using these two approaches the adsorption behavior of TX100 and TX165 mixtures at different mole fractions can be predicted. The negative deviation from the linear relationship between the surface tension and composition of TX100 and TX165 mixtures in the concentration range corresponding to that of the saturated monolayer at the interface, the values of the parameters of molecular interaction, the activity coefficients, as well as the excess Gibbs energy of mixed monolayer formation calculated on the basis of Rosen and Motomura approaches proved that there is synergism in the reduction of the surface tension of aqueous solutions of TX100 and TX165 mixture when saturation of the monolayer is achieved. The negative parameters of intermolecular interaction in the mixed micelle and calculations based on MT theory of Blankschtein indicate that there is also synergism in the micelle formation for TX100 and TX165 mixture. It was also found that the values of the standard Gibbs energy of adsorption and micellization for the mixture of these two surfactants, which confirm the synergetic effect, can be predicted on the basis of the proposed equations, which include the values of the mole fraction of surfactant and excess Gibbs energy TX100 and TX165 in the monolayer and micelle.
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Affiliation(s)
- Katarzyna Szymczyk
- Department of Interfacial Phenomena, Faculty of Chemistry, Maria Curie-Skłodowska University, Maria Curie-Skłodowska Sq. 3, 20-031 Lublin, Poland
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32
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Matubayasi N, Matsuyama S, Akizuki R. Surface properties of aqueous amino acid solutions II. Leucine-leucine hydrochloride and leucine-sodium leucinate mixtures. J Colloid Interface Sci 2006; 288:402-6. [PMID: 15927606 DOI: 10.1016/j.jcis.2005.03.046] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2003] [Revised: 08/17/2004] [Accepted: 03/03/2005] [Indexed: 11/15/2022]
Abstract
To understand the distinction between the effects of zwitterionic, anionic, and cationic l-leucine upon adsorption and lateral interactions at air/water surface, the surface tensions of aqueous solutions of l-leucine-l-leucine hydrochloride and l-leucine-sodium l-leucinate mixtures were measured as a function of concentration and composition at 25 degrees C. The surface activity decreases in the order l-leucine >l-leucine hydrochloride > sodium l-leucinate. Both l-leucine hydrochloride and sodium l-leucinate form gaseous adsorbed films through the experimentally accessible concentration range, while the adsorbed film of zwitterionic l-leucine shows a transition between gaseous and expanded film.
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Affiliation(s)
- Norihiro Matubayasi
- Faculty of Fisheries, Nagasaki University, 1-14 Bunkyou-machi, Nagasaki 852-8521, Japan.
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33
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Iyota H, Tomimitsu T, Shimada K, Ikeda N, Motomura K, Aratono M. Charge number effect on the miscibility of inorganic salt and surfactant in adsorbed film and micelle: inorganic salt-octyl methyl sulfoxide mixtures. J Colloid Interface Sci 2006; 299:428-34. [PMID: 16481003 DOI: 10.1016/j.jcis.2006.01.050] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2005] [Revised: 01/24/2006] [Accepted: 01/24/2006] [Indexed: 10/25/2022]
Abstract
Adsorption and micelle formation of a surfactant in the presence of inorganic salts with different charge numbers of cations were investigated from the viewpoint of mixed adsorption and micelle formation of salt and surfactant. Surface tension of aqueous solutions of the mixtures of octyl methyl sulfoxide (OMS) with calcium chloride and lanthanum chloride was measured as a function of the total molality of the mixture and the mole fraction of OMS in the mixture at 298.15 K under atmospheric pressure. Composition of the adsorbed film and micelle was numerically evaluated from the dependence of the total molality at a given surface tension and the mixture CMC on the bulk composition to draw phase diagrams of adsorption and micelle formation. Judging from the phase diagrams together with the ones of the sodium chloride system, miscibility of inorganic salt and OMS in the adsorbed film and micelle increases with an increase in the charge number of inorganic cation, which is attributable to the attractive interaction between inorganic cation and the polar head group of OMS molecule in the adsorbed film and micelle.
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Affiliation(s)
- Hidemi Iyota
- Department of Life and Environmental Science, Kagoshima Prefectural College, Kagoshima 890-0005, Japan.
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34
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Ali K, Anwar-ul-Haq, Bilal S, Siddiqi S. Concentration and temperature dependence of surface parameters of some aqueous salt solutions. Colloids Surf A Physicochem Eng Asp 2006. [DOI: 10.1016/j.colsurfa.2005.07.014] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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35
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Jarek E, Wydro P, Warszyński P, Paluch M. Surface properties of mixtures of surface-active sugar derivatives with ionic surfactants: Theoretical and experimental investigations. J Colloid Interface Sci 2006; 293:194-202. [PMID: 16111693 DOI: 10.1016/j.jcis.2005.06.028] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2005] [Revised: 06/06/2005] [Accepted: 06/08/2005] [Indexed: 11/23/2022]
Abstract
Surface properties of systems that are mixtures of ionic surfactants and sugar derivatives-anionic surfactant sodium dodecyl sulfate and n-dodecyl-beta-D-maltoside (SDS/DM) and cationic surfactant dodecyltrimethylammonium bromide and n-dodecyl-beta-D-glucoside (DTABr/DG)-were investigated. The experimental results obtained from measurements of surface tension of mixtures with various ratio of ionic to nonionic components were analyzed by two independent theories. First is Motomura theory, derived from the Gibbs-Duhem equation, allowing for indirect evaluation of the composition of mixed monolayers and the Gibbs energies of adsorption, corresponding to mutual interaction between surfactants in mixed adsorbed film. As second theory we used our newly developed theoretical model of adsorption of ionic-nonionic surfactant mixtures. Using this approach, we were able to describe the experimental surface tension isotherms for mixtures of surface-active sugar derivatives and ionic surfactants. We obtained a good agreement with experimental data using the same set of model parameters for a whole range of studied compositions of a given surfactant mixture. The values of surface excess calculated from both theories agreed with each other with a reasonable accuracy. However, the newly developed model of adsorption of ionic-nonionic surfactant mixtures has the advantage of straightforward determination of surface layer composition. By the solution of equations of adsorption, one can obtain directly the values of surface excess of all components (surfactant ions, counterions, and nonionic surfactants molecules), which are present in the investigated system.
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Affiliation(s)
- E Jarek
- Institute of Catalysis and Surface Chemistry, Polish Academy of Science, ul. Niezapominajek 8, 30-239 Cracow, Poland
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36
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Matsubara H, Nakano T, Matsuda T, Takiue T, Aratono M. Effects of alkyl chain length on synergetic adsorption and micelle formation in homologous cationic surfactant mixtures. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2005; 21:8131-7. [PMID: 16114913 DOI: 10.1021/la0508543] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
The surface tensions (gamma) of the aqueous solutions of tetradecyltrimethylammonium bromide (TTAB) and dodecyltrimethylammonium bromide (DTAB) were measured as a function of the total molality of surfactants (m) and the relative proportion (composition) of DTAB (X(2)) at 298.15 +/- 0.05 K under atmospheric pressure. The effect of the difference in the hydrophobic chain length between hexadecyltrimethylammonium bromide (HTAB) and DTAB on the synergism was examined. This synergism was observed in the miscibility at the surface of a mixture of these two compounds. The excess Gibbs energy of adsorption of the TTAB-DTAB system was positive in contrast to the HTAB-DTAB system. This indicates that there are certain restrictions on the difference in the hydrophobic chain length for the synergism to be brought about in homologous cationic surfactant mixtures. This mechanism was explained by the theory of a staggered structure formation at the air/water interface. A similar argument successfully applied to the hexadecyltrimethylammonium chloride (HTAC)-dodecyltrimethylammonium chloride (DTAC) and tetradecyltrimethylammonium chloride (TTAC)-DTAC mixtures also.
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Affiliation(s)
- Hiroki Matsubara
- Department of Chemistry, Faculty of Science, Kyushu University, Fukuoka 812-8581, Japan.
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37
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Aratono M, Kashimoto K, Matsuda T, Muroi S, Takata Y, Ikeda N, Takiue T, Tanida H, Watanabe I. Selective determination of surface density of bromide ion through XAFS and its application to verification of a criterion of an ideal mixing of surfactant mixture. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2005; 21:7398-404. [PMID: 16042471 DOI: 10.1021/la050876p] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The mole fraction of chloride ion of dodecyltrimethylammonium bromide (DTAB) and dodecyltrimethylammonium chloride (DTAC) mixture in the adsorbed film XHC was estimated not only by the thermodynamic analysis of the surface tension data but also by analyzing the Br K-edge jump of the XAFS spectrum under the total reflection condition (TRXAFS method). The phase diagrams of adsorption (PDA) at several surface tensions from the two methods were in good agreement. On the basis of the PDA obtained, it was clearly shown that the criterion of an ideal mixing for the DTAB-DTAC system is not given by the linear relation between the total molality of surfactant mixture m and XHC, m = m0B + (m0C - m0B)XHC, but by the one between m2 and XHC, m2 = (m0B)2 + [(m0C)2 - (m0B)2]XHC. Furthermore, it was demonstrated that the theoretical approach that provides the latter relation draws a distinction between the criteria for an ionic surfactant mixture without a common ion and that for an ionic surfactant mixture with a common ion.
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Affiliation(s)
- Makoto Aratono
- Department of Chemistry, Faculty of Sciences, Kyushu University, Fukuoka 812-8581, Japan.
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38
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Iyota H, Krastev R, Müller HJ. Thermodynamic studies on thin liquid films. III: Miscibility in adsorbed films at film interfaces. Colloid Polym Sci 2005. [DOI: 10.1007/s00396-004-1246-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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39
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Wydro P, Paluch M. A study of the interaction of dodecyl sulfobetaine with cationic and anionic surfactant in mixed micelles and monolayers at the air/water interface. J Colloid Interface Sci 2005; 286:387-91. [PMID: 15848442 DOI: 10.1016/j.jcis.2004.12.039] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2004] [Accepted: 12/13/2004] [Indexed: 11/29/2022]
Abstract
The miscibility and interactions between components in mixed adsorbed films and micelles containing zwitterionic (dodecyl sulfobetaine--DSB) and cationic (dodecyltrimethylammonium bromide) or anionic (sodium dodecyl sulfonate) surfactant, respectively, have been investigated. The molecular interactions have been quantified by the values of the excess free energy of adsorption (DeltaGS,Exc) and micelle formation (DeltaGM,Exc). The obtained results indicate nonideal behavior of the investigated mixtures since the values of DeltaGS,Exc and DeltaGM,Exc) are negative. Moreover, it has been found that DSB interact more strongly with anionic surfactant as compared to cationic surfactant owing to different structure of mixed monolayers and micelles.
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Affiliation(s)
- Paweł Wydro
- Department of Physical Chemistry and Electrochemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland.
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40
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Matsuki H, Yamanaka M, Kamaya H, Kaneshina S, Ueda I. Preferential partitioning of uncharged local anesthetics into the surface-adsorbed film. Colloids Surf B Biointerfaces 2004; 38:91-9. [PMID: 15465309 DOI: 10.1016/j.colsurfb.2004.07.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2004] [Accepted: 07/26/2004] [Indexed: 11/16/2022]
Abstract
The surface tension and pH of aqueous solutions of three hydrochloric acid (HCl) - uncharged anesthetic (mepivacaine (MC), bupibacaine (BC) and dibucaine (DC)) mixtures were measured as a function of total molality and composition of local anesthetic in order to investigate the competitive surface-adsorption of uncharged and charged local anesthetics. The behavior of the surface tension versus total molality and pH versus total molality curves remarkably changed at the composition corresponding to an equimolar mixture. The pH measurements showed that uncharged and charged forms coexisted only at compositions more than the equimolar mixture. The partitioning quantities of respective uncharged and charged anesthetics into the surface-adsorbed film were estimated from their surface densities calculated thermodynamically. The greater quantity of uncharged anesthetics existed in the adsorbed film at the coexisting composition, that is, the uncharged anesthetics adsorbed more preferentially than charged ones. The relative ease with which uncharged anesthetics transferred into the surface-adsorbed film was proportional to the hydrophobicities and well correlated the anesthetic potencies. At compositions in the vicinity of physiological pH (ca. 7.4), the bulk solution is more abundant in charged anesthetics than uncharged ones, whereas the uncharged molecules is conversely more abundant in the surface region. The present results clearly imply that the surface-active molecule of local anesthetic in the physiological pH is the uncharged form and the partitioning is greatly dependent on the hydrophobicity among the anesthetics.
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Affiliation(s)
- Hitoshi Matsuki
- Department of Biological Science and Technology, Faculty of Engineering, The University of Tokushima, 2-1 Minamijosanjima-cho, Tokushima 770-8506, Japan.
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41
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Wydro P, Paluch M. Surface properties of cationic–nonionic mixed surfactant systems. Colloids Surf A Physicochem Eng Asp 2004. [DOI: 10.1016/j.colsurfa.2004.07.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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42
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Matsuki H, Yamanaka M, Kamaya H, Kaneshina S, Ueda I. Dissociation equilibrium between uncharged and charged local anesthetic lidocaine in a surface-adsorbed film. Colloid Polym Sci 2004. [DOI: 10.1007/s00396-004-1177-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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43
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Kashimoto K, Matsubara H, Takahara H, Nakano T, Takiue T, Aratono M. Effect of molecular packing on adsorption and micelle formation of a homologous cationic surfactant mixture of hexadecyltrimethylammonium bromide and dodecyltrimethylammonium bromide. Colloid Polym Sci 2004. [DOI: 10.1007/s00396-004-1147-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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44
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Nonideal mixing of dodecyltrimethylammonium halides and nonionic surfactant in adsorbed films and micelles. Colloid Polym Sci 2003. [DOI: 10.1007/s00396-003-0931-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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45
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Abstract
The surface tensions of aqueous solutions of four mixtures (hydrochloric acid-glycine hydrochloride, glycine hydrochloride-glycine, glycine-sodium glycinate, and sodium glycinate-sodium hydroxide) were measured as a function of total molality and mole fraction. The measurements correspond to the change in surface tension with variation of pH. The contribution of glycine hydrochloride to the increments in surface tension is equivalent to that observed for the aqueous solution of glycine, while the contribution of sodium glycinate is much larger than that of glycine. The variations in surface tension on mixing in the surface region are discussed using comparisons with mixtures of simple salts.
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Affiliation(s)
- Norihiro Matubayasi
- Faculty of Fisheries, Nagasaki University, 1-14 Bunkyou-machi, Nagasaki 852-8521, Japan.
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46
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Kaneshina S, Miyata T, Matsuki H, Satake H, Kuroki M. Solubilization study of local anesthetics into sodium dodecyl sulfate micelle using anesthetic cation selective electrodes. Colloids Surf B Biointerfaces 2001; 22:55-62. [PMID: 11438240 DOI: 10.1016/s0927-7765(01)00157-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The free concentrations of local anesthetic cations in equilibrium with sodium dodecyl sulfate (SDS) micelle which solubilized the anesthetic were determined by using ion-selective electrodes sensitive to local anesthetics, procaine (PC), lidocaine (LC), and mepivacaine (MC). Solubilizate distribution between water and SDS micelle was analyzed by means of the stepwise mass-action model. Association constant, K(1), was found to depend upon the anesthetic concentration, which decreased exponentially as the concentration of free anesthetic increased. Therefore, K(1) should include the interaction function φ(A) as K(1)=K(int)exp{-φ(A)} where K(int) is an intrinsic association constant. φ(A) is an increasing function of the anesthetic concentration, which means that occupation of a solubilization site by a local anesthetic cation makes sequential solubilization more difficult. The binding affinity of an anesthetic with SDS micelle increased in the following order PC<LC<MC.The critical micelle concentration (CMC) of mixed micelle was determined as a function of the concentration of free anesthetic. The CMC decreased with an increasing amount of anesthetics solubilized. All the anesthetic compositions in the micelle calculated thermodynamically from the CMC data were larger than the corresponding ones in the aqueous phase. Although the local anesthetics used here do not form micelles by themselves, the CMC vs composition curve can be regarded as a part of a micellar phase diagram showing the negative azeotropic behavior, which reflects the attractive interaction between the anionic surfactant micelle and the local anesthetic cation.
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Affiliation(s)
- S Kaneshina
- Department of Biological Science and Technology, Faculty of Engineering, The University of Tokushima, Minamijosanjima, 770-8506, Tokushima, Japan
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47
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Matsuki H, Hata T, Yamanaka M, Kaneshina S. Partitioning of uncharged local anesthetic benzocaine into model biomembranes. Colloids Surf B Biointerfaces 2001; 22:69-76. [PMID: 11438242 DOI: 10.1016/s0927-7765(01)00159-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
The partitioning of uncharged local anesthetic benzocaine (BzC) into molecular aggregates formed by cationic surfactant decylammonium chloride (DeAC) and phospholipid dipalmitoylphosphatidylcholine (DPPC) was studied from the surface tension and light transmittance measurements. The quantities concerning the partitioning of BzC, the compositions of BzC in the surface-adsorbed film and micelle and three kinds of differential partition coefficients corresponding to phase transitions of the DPPC bilayer membrane were evaluated from thermodynamic analysis of the experimental data. The surface-adsorbed film and micelle were more abundant in BzC than the aqueous solution and significantly large differential partition coefficients for the DPPC membranes were observed. The results clearly showed that the BzC molecules greatly partitioned into hydrophobic environments produced by surfactant-monolayer and phospholipid-bilayer membranes. The partitioning behavior of BzC was also compared with that of charged local anesthetic procaine hydrochloride (PC.HCl). It was shown that the PC.HCl molecule did not or hardly partition into such hydrophobic environments. The contrasting results of the partitioning between BzC and PC.HCl are attributable to the drastic decrease of hydrophilicity of BzC due to the lacking of ionic polar head group in comparison with PC.HCl.
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Affiliation(s)
- H Matsuki
- Department of Biological Science and Technology, Faculty of Engineering, The University of Tokushima, Minamijosanjima, 770-8506, Tokushima, Japan
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48
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Ohta A, Matsubara H, Ikeda N, Aratono M. Miscibility of binary surfactant mixtures in the adsorbed film and micelle: the effect of size of polar head group. Colloids Surf A Physicochem Eng Asp 2001. [DOI: 10.1016/s0927-7757(01)00521-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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49
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Iyota H, Shimada K, Abe K, Ikeda N, Motomura K, Aratono M. Effect of the Head Group of Surfactant on the Miscibility of Sodium Chloride and Surfactant in an Adsorbed Film and Micelle. J Colloid Interface Sci 2001; 234:322-327. [PMID: 11161517 DOI: 10.1006/jcis.2000.7243] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The thermodynamic treatment of a surfactant mixture was applied to the mixture of sodium chloride, NaCl, with octyl methyl sulfoxide (OMS) and that with decyldimethylphosphine oxide (DePO). The surface tension of aqueous solutions of the mixtures was measured as a function of the total concentration and the composition of the mixtures at 298.15 K. The total surface densities of the mixtures and the composition of the adsorbed films and micelles were evaluated by applying thermodynamic equations to the expeimental results. It was found that the adsorbed film and micelle are almost composed of the surfactant and there is slight attractive interaction between the ions of NaCl and the head groups of OMS and DePO molecules in the adsorbed films and micelles. A difference in the miscibility of NaCl and surfactant was observed between the OMS and DePO systems and attributed to the difference in the hydration of the head group between OMS and DePO molecules. The comparison of these results with those of the mixtures of NaCl with tetraethylene glycol monooctyl ether (C(8)E(4)) and dodecylammonium chloride (DAC) indicated that the small difference in the miscibility in an adsorbed film and micelle among these nonionic surfactant systems arises from the difference in hydration and structure of the head groups and the large one between the nonionic surfactant and DAC systems results from electrostatic interactions between dodecylammonium and sodium ions. Copyright 2001 Academic Press.
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Affiliation(s)
- Hidemi Iyota
- Department of Life and Environmental Science, Kagoshima Prefectural College, Kagoshima, 890-0005, Japan
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50
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Aratono M, Ohta A, Minamizawa H, Ikeda N, Iyota H, Takiue T. The Excess Thermodynamic Quantities of Adsorption of a Binary Nonionic Surfactant Mixture. J Colloid Interface Sci 1999; 217:128-136. [PMID: 10441419 DOI: 10.1006/jcis.1999.6363] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The thermodynamic relations were developed for examining the miscibility of surfactants in the adsorbed film from the viewpoints of the thermodynamic quantities of adsorption such as Gibbs free energy, entropy, volume, enthalpy, and energy. The deviation from the additivity relation, the straight line connecting the thermodynamic quantities of the respective pure surfactants as a function of the composition of the adsorbed film, was proved to yield the corresponding excess quantities of adsorption. The criterion of the ideal mixing was offered and summarized with respect to the composition of adsorbed film, the mean area occupied by surfactants, and the thermodynamic quantities of adsorption. The resulting equations were applied to the simple nonionic surfactants mixture of decyl methyl sulfoxide (DeMS) and octyl methyl sulfoxide (OMS). The surface tension of the aqueous solution was measured as a function of not only the total molality and mole fraction of surfactants but also temperature under atmospheric pressure. Copyright 1999 Academic Press.
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Affiliation(s)
- M Aratono
- Faculty of Science, Kyushu University 33, Fukuoka, 812-8581, Japan
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