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Xu H, Liang X, Lu S, Gao M, Wang S, Li Y. Self-Assembly of Palmitic Acid in the Presence of Choline Hydroxide. Molecules 2023; 28:7463. [PMID: 38005186 PMCID: PMC10673190 DOI: 10.3390/molecules28227463] [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: 10/10/2023] [Revised: 11/02/2023] [Accepted: 11/03/2023] [Indexed: 11/26/2023] Open
Abstract
To disperse fatty acids in aqueous solution, choline, a quaternary ammonium ion, has been used recently. So far, only the self-assembly of myristic acid (MA) in the presence of choline hydroxide as a function of the molar ratio has been investigated, and, thus, the current understanding of these fatty acid systems is still limited. We investigated the self-assembly of palmitic acid (PA) in the presence of choline hydroxide (ChOH) as a function of the molar ratio (R) between ChOH and PA. The self-assemblies were characterized by phase contrast microscopy, cryo-TEM, small-angle X-ray scattering, and 2H NMR. The ionization state of PA was determined by pH, conductivity, and FT-IR measurements. With increase in R, various self-assembled structures, including vesicles, lamellar phase, rigid membranes (large sheets, tubules, cones, and polyhedrals), and micelles, form in the PA/ChOH system, different from those of the MA/ChOH system. The change in R induces pH variation and, consequently, a change in the PA ionization state, which, in turn, regulates the molecular interactions, including hydrogen bonding and electrostatic interaction, leading to various self-assemblies. Temperature is an important factor used to tune the self-assembly transitions. The fatty acid choline systems studied here potentially may be applicable in medicine, chemical engineering, and biotechnology.
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Affiliation(s)
- Huifang Xu
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China; (X.L.); (S.L.); (S.W.); (Y.L.)
| | - Xin Liang
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China; (X.L.); (S.L.); (S.W.); (Y.L.)
| | - Song Lu
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China; (X.L.); (S.L.); (S.W.); (Y.L.)
| | - Meihua Gao
- School of Materials and Chemical Engineering, Xuzhou University of Technology, Xuzhou 221018, China
| | - Sijia Wang
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China; (X.L.); (S.L.); (S.W.); (Y.L.)
| | - Yuanyuan Li
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, China; (X.L.); (S.L.); (S.W.); (Y.L.)
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Almeida M, Dudzinski D, Rousseau B, Amiel C, Prévost S, Cousin F, Le Coeur C. Aqueous Binary Mixtures of Stearic Acid and Its Hydroxylated Counterpart 12-Hydroxystearic Acid: Fine Tuning of the Lamellar/Micelle Threshold Temperature Transition and of the Micelle Shape. Molecules 2023; 28:6317. [PMID: 37687150 PMCID: PMC10489131 DOI: 10.3390/molecules28176317] [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: 07/27/2023] [Revised: 08/17/2023] [Accepted: 08/18/2023] [Indexed: 09/10/2023] Open
Abstract
This study examines the structures of soft surfactant-based biomaterials which can be tuned by temperature. More precisely, investigated here is the behavior of stearic acid (SA) and 12-hydroxystearic acid (12-HSA) aqueous mixtures as a function of temperature and the 12-HSA/SA molar ratio (R). Whatever R is, the system exhibits a morphological transition at a given threshold temperature, from multilamellar self-assemblies at low temperature to small micelles at high temperature, as shown by a combination of transmittance measurements, Wide Angle X-ray diffraction (WAXS), small angle neutron scattering (SANS), and differential scanning calorimetry (DSC) experiments. The precise determination of the threshold temperature, which ranges between 20 °C and 50 °C depending on R, allows for the construction of the whole phase diagram of the system as a function of R. At high temperature, the micelles that are formed are oblate for pure SA solutions (R = 0) and prolate for pure 12-HSA solutions (R = 1). In the case of mixtures, there is a progressive continuous transition from oblate to prolate shapes when increasing R, with micelles that are almost purely spherical for R = 0.33.
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Affiliation(s)
- Maëva Almeida
- CNRS, ICMPE, UMR 7182, 2 Rue Henri Dunant, Université Paris Est Creteil, 94320 Thiais, France; (M.A.); (B.R.); (C.A.)
- Laboratoire Léon Brillouin, Université Paris-Saclay, CEA-CNRS UMR 12 CEA Saclay, 91191 Gif sur Yvette, France;
| | - Daniel Dudzinski
- Laboratoire Léon Brillouin, Université Paris-Saclay, CEA-CNRS UMR 12 CEA Saclay, 91191 Gif sur Yvette, France;
| | - Bastien Rousseau
- CNRS, ICMPE, UMR 7182, 2 Rue Henri Dunant, Université Paris Est Creteil, 94320 Thiais, France; (M.A.); (B.R.); (C.A.)
| | - Catherine Amiel
- CNRS, ICMPE, UMR 7182, 2 Rue Henri Dunant, Université Paris Est Creteil, 94320 Thiais, France; (M.A.); (B.R.); (C.A.)
| | - Sylvain Prévost
- Institut Laue-Langevin, 71 Avenue des Martyrs, CS 20156, CEDEX 9, 38042 Grenoble, France;
| | - Fabrice Cousin
- Laboratoire Léon Brillouin, Université Paris-Saclay, CEA-CNRS UMR 12 CEA Saclay, 91191 Gif sur Yvette, France;
| | - Clémence Le Coeur
- CNRS, ICMPE, UMR 7182, 2 Rue Henri Dunant, Université Paris Est Creteil, 94320 Thiais, France; (M.A.); (B.R.); (C.A.)
- Laboratoire Léon Brillouin, Université Paris-Saclay, CEA-CNRS UMR 12 CEA Saclay, 91191 Gif sur Yvette, France;
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Almeida M, Dudzinski D, Amiel C, Guigner JM, Prévost S, Le Coeur C, Cousin F. Aqueous Binary Mixtures of Stearic Acid and Its Hydroxylated Counterpart 12-Hydroxystearic Acid: Cascade of Morphological Transitions at Room Temperature. Molecules 2023; 28:molecules28114336. [PMID: 37298812 DOI: 10.3390/molecules28114336] [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: 04/24/2023] [Revised: 05/12/2023] [Accepted: 05/19/2023] [Indexed: 06/12/2023] Open
Abstract
Here, we describe the behavior of mixtures of stearic acid (SA) and its hydroxylated counterpart 12-hydroxystearic acid (12-HSA) in aqueous mixtures at room temperature as a function of the 12-HSA/SA mole ratio R. The morphologies of the self-assembled aggregates are obtained through a multi-structural approach that combines confocal and cryo-TEM microscopies with small-angle neutron scattering (SANS) and wide-angle X-ray scattering (WAXS) measurements, coupled with rheology measurements. Fatty acids are solubilized by an excess of ethanolamine counterions, so that their heads are negatively charged. A clear trend towards partitioning between the two types of fatty acids is observed, presumably driven by the favorable formation of a H-bond network between hydroxyl OH function on the 12th carbon. For all R, the self-assembled structures are locally lamellar, with bilayers composed of crystallized and strongly interdigitated fatty acids. At high R, multilamellar tubes are formed. The doping via a low amount of SA molecules slightly modifies the dimensions of the tubes and decreases the bilayer rigidity. The solutions have a gel-like behavior. At intermediate R, tubes coexist in solution with helical ribbons. At low R, local partitioning also occurs, and the architecture of the self-assemblies associates the two morphologies of the pure fatty acids systems: they are faceted objects with planar domains enriched in SA molecules, capped with curved domains enriched in 12-HSA molecules. The rigidity of the bilayers is strongly increased, as well their storage modulus. The solutions remain, however, viscous fluids in this regime.
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Affiliation(s)
- Maëva Almeida
- Institut Chimie et Materiaux Paris Est, Université Paris Est Créteil, CNRS, UMR 7182, 2 Rue Henri Dunant, 94320 Thiais, France
- Laboratoire Léon Brillouin, Université Paris-Saclay, CEA-CNRS UMR 12 CEA Saclay, 91191 Gif sur Yvette, France
| | - Daniel Dudzinski
- Laboratoire Léon Brillouin, Université Paris-Saclay, CEA-CNRS UMR 12 CEA Saclay, 91191 Gif sur Yvette, France
| | - Catherine Amiel
- Institut Chimie et Materiaux Paris Est, Université Paris Est Créteil, CNRS, UMR 7182, 2 Rue Henri Dunant, 94320 Thiais, France
| | - Jean-Michel Guigner
- Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie (IMPMC)-IRD-MNHN, Sorbonne Université & CNRS, UMR 7590, CEDEX 05, 75252 Paris, France
| | - Sylvain Prévost
- Institut Laue-Langevin-71 Avenue des Martyrs, CS 20156, CEDEX 9, 38042 Grenoble, France
| | - Clémence Le Coeur
- Institut Chimie et Materiaux Paris Est, Université Paris Est Créteil, CNRS, UMR 7182, 2 Rue Henri Dunant, 94320 Thiais, France
- Laboratoire Léon Brillouin, Université Paris-Saclay, CEA-CNRS UMR 12 CEA Saclay, 91191 Gif sur Yvette, France
| | - Fabrice Cousin
- Institut Chimie et Materiaux Paris Est, Université Paris Est Créteil, CNRS, UMR 7182, 2 Rue Henri Dunant, 94320 Thiais, France
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Liu D, Deng G, Zhao Y, Zhang Y, Wang Z, Huang Z, Wang L. Alkane-tolerant worm-like micelles based on assembled surfactants. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Liu X, Yu Q, Song A, Dong S, Hao J. Progress in nuclear magnetic resonance studies of surfactant systems. Curr Opin Colloid Interface Sci 2020. [DOI: 10.1016/j.cocis.2019.10.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Barbosa MS, Freire CCC, Almeida LC, Freitas LS, Souza RL, Pereira EB, Mendes AA, Pereira MM, Lima ÁS, Soares CMF. Optimization of the enzymatic hydrolysis ofMoringa oleiferaLam oil using molecular docking analysis for fatty acid specificity. Biotechnol Appl Biochem 2019; 66:823-832. [DOI: 10.1002/bab.1793] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 06/10/2019] [Indexed: 12/13/2022]
Affiliation(s)
| | | | | | - Lisiane S. Freitas
- Departamento de Química Universidade Federal de Sergipe São Cristóvão SE Brazil
| | - Ranyere L. Souza
- Universidade Tiradentes Aracaju SE Brazil
- Instituto de Tecnologia e Pesquisa Aracaju SE Brazil
| | - Ernandes B. Pereira
- Faculdade de Ciências Farmacêuticas Universidade Federal de Alfenas Alfenas MG Brazil
| | - Adriano A. Mendes
- Instituto de Química Universidade Federal de Alfenas Alfenas MG Brazil
| | | | - Álvaro S. Lima
- Universidade Tiradentes Aracaju SE Brazil
- Instituto de Tecnologia e Pesquisa Aracaju SE Brazil
| | - Cleide M. F. Soares
- Universidade Tiradentes Aracaju SE Brazil
- Instituto de Tecnologia e Pesquisa Aracaju SE Brazil
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Xu H, Du N, Song Y, Song S, Hou W. Spontaneous vesicle formation and vesicle-to-micelle transition of sodium 2-ketooctanate in water. J Colloid Interface Sci 2018; 509:265-274. [DOI: 10.1016/j.jcis.2017.09.023] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Revised: 09/06/2017] [Accepted: 09/06/2017] [Indexed: 11/24/2022]
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Li F, Tang X, Chen M, Zhang W. Effect of Polyhydric Alcohols, Surfactants, Emollients and Emulsifiers on Phase Behaviors of Ternary Fatty Acid Soap Solutions. J SURFACTANTS DETERG 2017. [DOI: 10.1007/s11743-017-1998-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Hong Y, Xu W, Hu Y, Li G, Chen M, Hao J, Dong S. Multi-responsive emulsion of stearic acid soap aqueous solution. Colloids Surf A Physicochem Eng Asp 2017. [DOI: 10.1016/j.colsurfa.2017.03.053] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Xu H, Du N, Song Y, Song S, Hou W. Vesicles of 2-ketooctanoic acid in water. SOFT MATTER 2017; 13:2246-2252. [PMID: 28255587 DOI: 10.1039/c6sm02665f] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
We report the spontaneous formation of vesicles from 2-ketooctanoic acid (KOCOOH), a single-tailed weakly acidic surfactant, in water. The vesicles were characterized using negative-staining, cryogenic transmission electron microscopy, conductivity, and atomic force microscopy. The pH effect on the vesicle formation and the stability of the vesicular structures were determined. The vesicles form at a very low concentration (ca. 1.4 mM) and within a wide pH range (ca. 2-10). Uni- and multilamellar vesicle structures are observed, which coexist in the KOCOOH solution. The hydrogen bonding between KOCOOH molecules probably plays an important role in the formation of the vesicles. Importantly, the vesicles exhibit remarkable stability upon long-term storage, and in artificial seawater. KOCOOH vesicles are a good alternative model system for protocell-like vesicles, as they are easily formed under plausible prebiotic conditions. In addition, they may have the same potential applications, such as in medicine, chemical engineering, and biotechnology, as conventional vesicles. To the best of our knowledge, this is the first report on the vesicles of single-tailed keto-acid amphiphiles.
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Affiliation(s)
- Huifang Xu
- Key Laboratory of Colloid and Interface Chemistry (Ministry of Education), Shandong University, Jinan 250100, P. R. China.
| | - Na Du
- Key Laboratory of Colloid and Interface Chemistry (Ministry of Education), Shandong University, Jinan 250100, P. R. China.
| | - Yawen Song
- Key Laboratory of Colloid and Interface Chemistry (Ministry of Education), Shandong University, Jinan 250100, P. R. China.
| | - Shue Song
- Key Laboratory of Colloid and Interface Chemistry (Ministry of Education), Shandong University, Jinan 250100, P. R. China.
| | - Wanguo Hou
- Key Laboratory of Colloid and Interface Chemistry (Ministry of Education), Shandong University, Jinan 250100, P. R. China.
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Li F, Chen M, Zhang W. Effect of Binary/Ternary Fatty Acids Ratio and Glycerin on the Phase Behaviors of Soap Solutions. J SURFACTANTS DETERG 2017. [DOI: 10.1007/s11743-017-1927-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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13
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Chen LC, Wang HP, Deng YH, Deng SP. Vesicle formation by proton transfer driven short-tailed fatty acids of C4-C8 chain length in water. SOFT MATTER 2017; 13:1291-1298. [PMID: 28106900 DOI: 10.1039/c6sm02307j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Ultrashort single-chain fatty acids self-assemble to form vesicles under certain proton-driven conditions. The protonation provides a larger charge area around the hydrophilic carbonyl headgroups, and proton shift as the key driving parameter was studied. The ultrashort fatty acids (C4-C8) formed stable unilamellar vesicles predominantly through out the whole range of tested pH levels (6.5-9.5). A proton-driven self-assembly process and effects on the phase transition were characterized by dynamic light scattering, transmission electron microscopy and cryo-transmission electron microscopy. In particular, we studied in greater detail the molecular packing characteristics of FA vesicles for geometric reasons and the protonation effect changes the molecular surface charge and further carboxylic acid headgroup motion. This study enhances the understanding of the physicochemical specificity of these membrane vesicles, and may facilitate the alteration of membrane function caused by FAs.
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Affiliation(s)
- Li-Chun Chen
- College of Food & Biology Engineering, Zhejiang Gongshang University, Hangzhou, Zhejiang 310035, China. and Zhejiang Provincial Key Lab for Chem & Bio Processing Technology of Agricultural Products, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China
| | - Hong-Peng Wang
- Zhejiang Provincial Key Lab for Chem & Bio Processing Technology of Agricultural Products, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China
| | - Yu-Hao Deng
- Zhejiang Provincial Key Lab for Chem & Bio Processing Technology of Agricultural Products, Zhejiang University of Science and Technology, Hangzhou, Zhejiang 310023, China
| | - Shao-Ping Deng
- College of Food & Biology Engineering, Zhejiang Gongshang University, Hangzhou, Zhejiang 310035, China.
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Xu W, Liu H, Song A, Hao J. Bilayers and wormlike micelles at high pH in fatty acid soap systems. J Colloid Interface Sci 2016; 465:304-10. [DOI: 10.1016/j.jcis.2015.12.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Revised: 12/01/2015] [Accepted: 12/01/2015] [Indexed: 11/24/2022]
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