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Okasaki FB, Duarte LGTA, Sabadini E. Increasing the aqueous solubility of the anesthetic propofol through wormlike micelle formation. Colloids Surf B Biointerfaces 2023; 232:113592. [PMID: 37857185 DOI: 10.1016/j.colsurfb.2023.113592] [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: 07/18/2023] [Revised: 09/28/2023] [Accepted: 10/11/2023] [Indexed: 10/21/2023]
Abstract
Propofol, a phenol derivative, is commonly employed as an intravenous anesthetic during clinical procedures, formulated as an oil/water emulsion due to its poor solubility in water. The stability limitations associated with emulsions have prompted research efforts towards developing aqueous formulations of propofol. In this work, we investigate the solubility enhancement of propofol in anionic and cationic surfactants. Our findings reveal that the solubility of propofol can increase significantly, up to 100-fold, depending on the nature of the micellar aggregate, as observed for alkylammonium halogenates CnTAB (for n = 12, 14 and 16), contrasting with the lower solubility with SDS. Interestingly, C14TAB and C16TAB demonstrate significantly higher solubility than C12TAB. This was attributed to the formation of wormlike micelles, in which the propofol molecules are positioned between the cationic heads of the surfactant molecules, changing the micellar curvature and the morphology of the aggregate. Therefore, the aromatic molecules in the micellar environment can be partitioned into the micellar cores and their palisades. Regarding C12TAB, the alkyl chain is too short to form wormlike micelles, thus, concentrating propofol molecules mainly into the micellar core, and consequently, leading to their aggregation. Solubility diagrams of propofol were constructed in conjunction with different surfactants. The systems exhibiting viscoelastic behavior, indicative of wormlike micelle formation, were further investigated using rheology. Additionally, the fluorescent properties of propofol enabled the examination of the anesthetic molecule within diverse micellar environments.
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Affiliation(s)
- Fernando B Okasaki
- Department of Physical Chemistry, Institute of Chemistry, University of Campinas, UNICAMP, P.O. Box 6154, Campinas 13084-862, SP, Brazil
| | - Luís G T A Duarte
- Department of Physical Chemistry, Institute of Chemistry, University of Campinas, UNICAMP, P.O. Box 6154, Campinas 13084-862, SP, Brazil
| | - Edvaldo Sabadini
- Department of Physical Chemistry, Institute of Chemistry, University of Campinas, UNICAMP, P.O. Box 6154, Campinas 13084-862, SP, Brazil.
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2
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Cao X, Guo W, Zhu Q, Ge H, Yang H, Ke Y, Shi X, Lu X, Feng Y, Yin H. Supramolecular self-assembly of robust, ultra-stable, and high-temperature-resistant viscoelastic worm-like micelles. J Colloid Interface Sci 2023; 649:403-415. [PMID: 37354797 DOI: 10.1016/j.jcis.2023.06.086] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 06/09/2023] [Accepted: 06/14/2023] [Indexed: 06/26/2023]
Abstract
HYPOTHESIS Worm-like micelles are susceptible to heating owing to the fast dynamic exchange of molecules between micelles. Inhibition of such exchange could afford robust worm-like micelles, which is expected to largely improve rheology properties at high temperatures. EXPERIMENTS A cationic surfactant docosyl(trimethyl)azanium chloride (DCTAC) and a strongly hydrophobic organic counterion 3-hydroxy naphthalene-2-carboxylate (SHNC) were used for the worm-like micelles fabrication. The microstructure was characterized using cryogenic transmission electron microscopy and small-angle neutron scattering, and the interactions between DCTAC and SHNC were characterized using nuclear magnetic resonance spectroscopy. Rheometer was employed to measure the rheological properties of the solution. FINDINGS SHNC/DCTAC at the molar ration of 1:2 forms ultra-stable worm-like micelles, whose viscosity remain stable at temperature up to 130 °C. SHNC is found to strongly adsorbs on DCTAC micelle with the orientation on the surface of micelle, keeping the naphthalene backbone entire penetration into the palisade layer while both carboxylic and hydroxyl groups protrude out of the micelle. With temperature increasing, this adsorption further strengthens, resulting in the growth contour length and accompanying the enhancement of rheological properties. One SHNC molecule and two DCTAC molecules are speculated to form a stable complex via multiple interactions including hydrophobic, cationic-π, and π-π interactions, which decreases the dynamic exchange of them between micelles. These findings are helpful to understand surfactant aggregates stability and assist the development of novel stable supramolecular nanostructures. Additionally, the excellent thermal stability of this worm-like micellar fluid makes it a potential high-temperature resistant clean fracturing fluid for deep oil reservoirs.
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Affiliation(s)
- Xiaoqin Cao
- Polymer Research Institute, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, PR China
| | - Weiluo Guo
- Polymer Research Institute, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, PR China
| | - Qi Zhu
- CNPC Bohai Drilling Engineering Co., Ltd, Tianjin 300450, PR China
| | - Hongjiang Ge
- Oil Production Technology Institute, Dagang Oil Field Company PetroChina, Tianjin 300280, PR China
| | - Hua Yang
- Spallation Neutron Source Science Center, Dongguan 523803, PR China; Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, PR China
| | - Yubin Ke
- Spallation Neutron Source Science Center, Dongguan 523803, PR China; Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, PR China
| | - Xiaohuo Shi
- Instrumentation and Service Center for Molecular Sciences, Westlake University, Hangzhou 310024, PR China
| | - Xingyu Lu
- Instrumentation and Service Center for Molecular Sciences, Westlake University, Hangzhou 310024, PR China
| | - Yujun Feng
- Polymer Research Institute, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, PR China
| | - Hongyao Yin
- Polymer Research Institute, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, PR China.
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Liu W, Wang Y, Tan Y, Ye Z, Chen Q, Shang Y. pH and light dual stimuli-responses of mixed system of 2-hydroxyl-propanediyl-α,ω-bis(dimethyldodecyl ammonium bromide) and trans-ortho-hydroxyl cinnamic acid. RSC Adv 2022; 12:34601-34613. [PMID: 36545609 PMCID: PMC9714207 DOI: 10.1039/d2ra05098f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 10/18/2022] [Indexed: 12/03/2022] Open
Abstract
Stimuli-responsive smart supramolecular self-assembly with controllable morphology and adjustable rheological property has attracted widespread concern of scientists in recent years due to the great potential application in microfluidics, controlled release, biosensors and so on. In this study, a pH and UV light dual stimuli-responsive system was constructed by combining Gemini surfactant 2-hydroxyl-propanediyl-α,ω-bis(dimethyldodecyl ammonium bromide) (12-3(OH)-12·2Br-) with trans-ortho-hydroxyl cinnamic acid (trans-OHCA) in aqueous solution. The phase behavior and stimuli-responsive behavior of the system including the microstructural transition, rheological property, intermolecular interaction, and isomerization reaction were explored by various experiment techniques such as rheometer, UV-vis spectrum, polarized optical microscopy (POM), transmission electron microscopy (TEM), dynamic light scattering (DLS) as well as theoretical calculation. The system displays abundant phase behaviors that supramolecular self-assemblies of different morphologies in different states such as spherical micelle, wormlike micelle, lamellar liquid crystal, and aqueous two phase system (ATPS) were observed even at lower concentration, which provide the research basis on the abundant stimuli-responsiveness of the system. The results prove that the multiple ionization and the photo-isomerization of trans-OHCA endow the system with plentiful responses to pH and UV light stimuli. It is expected that this study on the dual stimuli-responsive system with abundant self-assembly behaviors and adjustable rheological behaviors would be of theoretical and practical importance, which would provide essential guidance in designing and constructing smart materials with multiple stimuli-responses.
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Affiliation(s)
- Wenxiu Liu
- School of Materials and Chemical Engineering, Anhui Jianzhu UniversityHefei 230601AnhuiChina
| | - Yaqin Wang
- School of Materials and Chemical Engineering, Anhui Jianzhu UniversityHefei 230601AnhuiChina,Functional Membrane Laboratory, School of Chemistry and Material Science, University of Science and Technology of ChinaHefei 230026AnhuiChina,Shandong Tianwei Membrane Technology Co., Ltd, Binhai Economic and Technological Development AreaWeifang 262737ShandongChina
| | - Yue Tan
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering, East China University of Science and TechnologyShanghai 200237China
| | - Zhicheng Ye
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering, East China University of Science and TechnologyShanghai 200237China
| | - Qizhou Chen
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering, East China University of Science and TechnologyShanghai 200237China
| | - Yazhuo Shang
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering, East China University of Science and TechnologyShanghai 200237China
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4
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Creatto EJ, Okasaki FB, Cardoso MB, Sabadini E. Wormlike micelles of CTAB with phenols and with the corresponding phenolate derivatives - When hydrophobicity and charge drive the coacervation. J Colloid Interface Sci 2022; 627:355-366. [PMID: 35863194 DOI: 10.1016/j.jcis.2022.07.044] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 07/06/2022] [Accepted: 07/07/2022] [Indexed: 10/17/2022]
Abstract
HYPOTHESIS Hydrophobicity and the presence or absence of charge in phenol derivatives are relevant on the rheology and phase behavior when they are assembled with a cationic surfactant, forming wormlike micelles. The incorporation of phenols with a greater number of rings into the micellar palisade is entropically favored, but a solubilization limit or coacervation are two paths followed by the solutions, depending on the electrical nature of the aromatic co-solutes. EXPERIMENTS The investigations were carried out with systems formed by a fixed concentration of hexadecyltrimethylammonium bromide (CTAB) and increasing concentrations of neutral phenols (1-naphthol, 2-naphthol, 2,3-dihydroxynaphthalene and R and S-binol) and with their corresponding phenolate derivatives. The monophasic limits of the systems were established, as well as their linear and non-linear rheology. The structural investigation of the coacervates formed with the phenolates were done using SAXS and Cryo-TEM. FINDINGS The zero-shear viscosity of the solutions reaches maxima values close to the solubility limit of the aromatics, which depends on the numbers of rings and hydroxyl groups (position and number). However, when the correspondent ionized phenols were investigated, beyond the maxima values for the zero-shear viscosity, liquid-liquid biphasic systems are formed, in which the upper phase contains a coacervate, associated with branched wormlike micelles. However, when the ratio between phenolate and CTAB is around 3:1 the coacervate evolves to a lamellar structure.
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Affiliation(s)
- Eduardo José Creatto
- Department of Physical-Chemistry, Institute of Chemistry, University of Campinas, P.O. BOX 6154, 13084-862 Campinas, SP, Brazil
| | - Fernando Bonin Okasaki
- Department of Physical-Chemistry, Institute of Chemistry, University of Campinas, P.O. BOX 6154, 13084-862 Campinas, SP, Brazil
| | - Mateus Borba Cardoso
- Brazilian Synchrotron Light Laboratory (LNLS), National Center for Research in Energy and Materials (CNPEM), P.O. BOX 6154, CEP 13083-970, Campinas, São Paulo, Brazil
| | - Edvaldo Sabadini
- Department of Physical-Chemistry, Institute of Chemistry, University of Campinas, P.O. BOX 6154, 13084-862 Campinas, SP, Brazil.
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Gong J, Yao K, Sun Q, Sun Y, Sun L, Liu C, Xu B, Tan J, Zhao L, Xu B. Interfacial Composition of Surfactant Aggregates in the Presence of Fragrance: A Chemical Trapping Study. Molecules 2022; 27:molecules27144333. [PMID: 35889205 PMCID: PMC9320350 DOI: 10.3390/molecules27144333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/04/2022] [Accepted: 07/04/2022] [Indexed: 12/02/2022] Open
Abstract
In recent years, there has been increasing interest in daily-use chemical products providing a pleasant scent. The added fragrance molecules may induce microstructural transitions of surfactant aggregates, which further affect the physical and chemical properties of the products. Here, the effects of four types of aromatic alcohols (cinnamyl alcohol, phenyl ethanol, phenyl methanol and anisyl alcohol) on cetyltrimethylammonium bromide (CTAB)/KBr aggregates were studied. The combined results from rheology, dynamic light scattering, and transmission electron microscopy measurements showed that cinnamyl alcohol induced significant micellar growth, while increases in micellar growth were less obvious for the other aromatic alcohols. The changes in the interfacial molarities of water, aromatic alcohol, and bromide ions during such transitions were studied using the chemical trapping method. Transitions resulting from added cinnamyl alcohol were accompanied by significant declines in interfacial water and bromide ion molarities, and a rise in interfacial alcohol molarity. The marked decrease in interfacial water molarity was not observed in previous studies of the octanol induced formation of wormlike micelles and vesicles, indicating that a different mechanism was presented in the current system. Nuclear magnetic resonance investigation showed that π–π stacking between cinnamyl alcohols, but not cation–π interactions between alcohols and CTAB headgroups, facilitated the tight packing of alcohol molecules in CTAB aggregates and the repulsion of water from the interfacial region. The current study may provide a theoretical basis for the morphological regulation of surfactant aggregates in the presence of additives.
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Affiliation(s)
- Jiani Gong
- Department of Daily Chemical Engineering, Beijing Technology and Business University, No. 11 Fucheng Road, Beijing 100048, China; (J.G.); (K.Y.); (Q.S.); (Y.S.); (L.S.); (L.Z.); (B.X.)
| | - Kaixin Yao
- Department of Daily Chemical Engineering, Beijing Technology and Business University, No. 11 Fucheng Road, Beijing 100048, China; (J.G.); (K.Y.); (Q.S.); (Y.S.); (L.S.); (L.Z.); (B.X.)
| | - Qihan Sun
- Department of Daily Chemical Engineering, Beijing Technology and Business University, No. 11 Fucheng Road, Beijing 100048, China; (J.G.); (K.Y.); (Q.S.); (Y.S.); (L.S.); (L.Z.); (B.X.)
| | - Yujia Sun
- Department of Daily Chemical Engineering, Beijing Technology and Business University, No. 11 Fucheng Road, Beijing 100048, China; (J.G.); (K.Y.); (Q.S.); (Y.S.); (L.S.); (L.Z.); (B.X.)
| | - Lijie Sun
- Department of Daily Chemical Engineering, Beijing Technology and Business University, No. 11 Fucheng Road, Beijing 100048, China; (J.G.); (K.Y.); (Q.S.); (Y.S.); (L.S.); (L.Z.); (B.X.)
| | - Changyao Liu
- Department of Daily Chemical Engineering, Beijing Technology and Business University, No. 11 Fucheng Road, Beijing 100048, China; (J.G.); (K.Y.); (Q.S.); (Y.S.); (L.S.); (L.Z.); (B.X.)
- Correspondence: (C.L.); (B.X.)
| | - Bo Xu
- McIntire School of Commerce, University of Virginia, Charlottesville, VA 22903, USA
- Correspondence: (C.L.); (B.X.)
| | - Jiajing Tan
- Department of Organic Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China;
| | - Li Zhao
- Department of Daily Chemical Engineering, Beijing Technology and Business University, No. 11 Fucheng Road, Beijing 100048, China; (J.G.); (K.Y.); (Q.S.); (Y.S.); (L.S.); (L.Z.); (B.X.)
| | - Baocai Xu
- Department of Daily Chemical Engineering, Beijing Technology and Business University, No. 11 Fucheng Road, Beijing 100048, China; (J.G.); (K.Y.); (Q.S.); (Y.S.); (L.S.); (L.Z.); (B.X.)
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6
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Kumar V, Verma R, Satodia D, Ray D, Kuperkar K, Aswal VK, Mitchell-Koch KR, Bahadur P. Contrasting effect of 1-butanol and 1,4-butanediol on the triggered micellar self-assemblies of C 16-type cationic surfactants. Phys Chem Chem Phys 2021; 23:19680-19692. [PMID: 34525135 DOI: 10.1039/d1cp01666k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The self-assembly in aqueous solutions of three quaternary salt-based C16-type cationic surfactants with different polar head groups and identical carbon alkyl chain viz., cetylpyridinium bromide (CPB), cetyltrimethylammonium tosylate (CTAT), and cetyltriphenylphosphonium bromide (CTPPB) in the presence of 1-butanol (BuOH) and 1,4-butanediol (BTD) was investigated using tensiometry, 2D-nuclear Overhauser enhancement spectroscopy (2D-NOESY) and small angle neutron scattering (SANS) techniques. The adsorption parameters and micellar characteristics evaluated at 303.15 K distinctly showed that BuOH promotes the mixed micelle formation while BTD interfered with the micellization phenomenon. The SANS data fitted using an ellipsoid (as derived by Hayter and Penfold using the Ornstein-Zernike equation and the mean spherical approximation) and wormlike micellar models offered an insight into the micelle size/shape and aggregation number (Nagg) in the examined systems. The evaluated descriptors presented a clear indication of the morphology transition in cationic micelles as induced by the addition of the two alcohols. We also offer an investigation into the acceptable molecular interactions governing the differences in micelle morphologies, using the non-invasive 2D-NOESY technique and molecular modeling. The experimental observations elucidated from computational simulation add novelty to this work. Giving an account to the structural complexity in the three cationic surfactants, the molecular dynamics (MD) simulation was performed for CPB micelles in an aqueous solution of alcohols that highlighted the micelle solvation and structural transition, which is further complemented in terms of critical packing parameter (PP) for the examined systems.
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Affiliation(s)
- Vinod Kumar
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology (SVNIT), Surat 395007, Gujarat, India.
| | - Rajni Verma
- Department of Chemistry, Wichita State University (WSU), Wichita, Kansas 67260-0051, USA
| | - Dwarkesh Satodia
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology (SVNIT), Surat 395007, Gujarat, India.
| | - Debes Ray
- Solid State Physics Division, Bhabha Atomic Research Centre (BARC), Mumbai 400 085, Maharashtra, India
| | - Ketan Kuperkar
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology (SVNIT), Surat 395007, Gujarat, India.
| | - Vinod Kumar Aswal
- Solid State Physics Division, Bhabha Atomic Research Centre (BARC), Mumbai 400 085, Maharashtra, India
| | - Katie R Mitchell-Koch
- Department of Chemistry, Wichita State University (WSU), Wichita, Kansas 67260-0051, USA
| | - Pratap Bahadur
- Department of Chemistry, Veer Narmad South Gujarat University (VNSGU), Udhana-Magdalla road, Surat 395007, Gujarat, India
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7
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Effects of NaCl and temperature on rheological characteristics and structures of CTAB/NaSal wormlike micellar solutions. J IND ENG CHEM 2021. [DOI: 10.1016/j.jiec.2021.03.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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8
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Kumar V, Sai GM, Verma R, Mitchell-Koch KR, Ray D, Aswal VK, Thareja P, Kuperkar K, Bahadur P. Tuning Cationic Micelle Properties with an Antioxidant Additive: A Molecular Perspective. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:4611-4621. [PMID: 33843215 PMCID: PMC8895413 DOI: 10.1021/acs.langmuir.1c00290] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
In this work, we characterize the micellization and morphology transition induced in aqueous cetyltrimethylammonium bromide (CTAB) solution by the addition of the antioxidant propyl gallate (PG) using tensiometry, rheology, and small-angle neutron scattering (SANS) techniques combined with the molecular dynamics (MD) simulation approach. The adsorption of CTAB at the air-water interface in the presence of varying [PG] revealed a progressive decrease in the critical micelle concentration (CMC), while the changes in different interfacial parameters indicated enhancement of the hydrophobicity induced by PG in the CTAB micellar system. The dynamic rheology behavior indicated an increase in the flow viscosity (η) as a function of [PG]. Moreover, the rheological components (storage modulus, G', and loss modulus, G″) depicted the viscoelastic features. SANS measurements depicted the existence of ellipsoidal micelles with varying sizes and aggregation number (Nagg) as a function of [PG] and temperature. Computational simulation performed using density functional theory (DFT) calculations and molecular dynamics (MD) provided an insight into the atomic composition of the examined system. The molecular electrostatic potential (MEP) analysis depicted a close proximity of CTAB, i.e., emphasized favorable interactions between the quaternary nitrogen of CTAB and the hydroxyl group of the PG monomer, further validated by the two-dimensional nuclear Overhauser enhancement spectroscopy (2D-NOESY), which showed the penetration of PG inside the CTAB micelles. In addition, various dynamic properties, viz., the radial distribution function (RDF), the radius of gyration (Rg), and solvent-accessible surface area (SASA), showed a significant microstructural evolution of the ellipsoidal micelles in the examined CTAB-PG system, where the changes in the micellar morphology with a more elongated hydrophobic chain and the increased Rg and SASA values indicated the notable intercalation of PG in the CTAB micelles.
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Affiliation(s)
- Vinod Kumar
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology (SVNIT), Surat-395 007, Gujarat, INDIA
| | - Geetha M Sai
- Department of Chemical Engineering, Indian Institute of Technology (IIT), Gandhinagar 382 355, Gujarat, INDIA
| | - Rajni Verma
- Department of Chemistry, Wichita State University (WSU), Wichita, Kansas 67260-0051, USA
| | - Katie R. Mitchell-Koch
- Department of Chemistry, Wichita State University (WSU), Wichita, Kansas 67260-0051, USA
| | - Debes Ray
- Solid State Physics Division, Bhabha Atomic Research Centre (BARC), Mumbai 400 085, INDIA
| | - Vinod Kumar Aswal
- Solid State Physics Division, Bhabha Atomic Research Centre (BARC), Mumbai 400 085, INDIA
| | - Prachi Thareja
- Department of Chemical Engineering, Indian Institute of Technology (IIT), Gandhinagar 382 355, Gujarat, INDIA
| | - Ketan Kuperkar
- Department of Chemistry, Sardar Vallabhbhai National Institute of Technology (SVNIT), Surat-395 007, Gujarat, INDIA
| | - Pratap Bahadur
- Department of Chemistry, Veer Narmad South Gujarat University (VNSGU), Udhana-Magdalla road, Surat 395 007, Gujarat, INDIA
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9
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Jora M, Sabadini E, Raghavan SR. Light-Triggered Rheological Changes in a System of Cationic Wormlike Micelles Formulated with a Photoacid Generator. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:13408-13414. [PMID: 33151692 PMCID: PMC7676294 DOI: 10.1021/acs.langmuir.0c01439] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
"Smart" fluids displaying large changes in their rheological properties in response to external stimuli have been of great interest in recent years. For example, "smart" wormlike micelles (WLMs) that respond to pH can be readily formulated by combining a cationic surfactant such as cetyltrimethylammonium bromide (CTAB) with an aromatic compound such as 1,2-dihydroxybenzene (DHB). Here, we show that a pH-responsive aqueous formulation as mentioned above can be simultaneously made responsive to ultraviolet (UV) light by incorporating a photoacid generator (PAG) into the system. A commercially available PAG, diphenyliodonium-2-carboxylate, is used here. Upon exposure to UV light, this PAG irreversibly photolyzes into iodobenzene (IB) and benzoic acid (BA), with the formation of BA, leading to a drop in pH. WLMs formed by mixtures of CTAB, DHB, and the PAG are systematically characterized before and after UV irradiation. As the PAG photolyzes, an increase in the viscosity of WLMs occurs by a factor of 1000. We show that the ratio of the zero-shear viscosity η0 (after UV/before UV) depends on the initial pH of the sample. The UV-induced increase in η0 can be attributed to the growth of WLMs in solution, which in turn is influenced by both the ionization state of DHB and the presence of IB and BA.
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Affiliation(s)
- Manazael
Zuliani Jora
- Physical
Chemistry Department, University of Campinas, Campinas, São Paulo 13084-862, Brazil
| | - Edvaldo Sabadini
- Physical
Chemistry Department, University of Campinas, Campinas, São Paulo 13084-862, Brazil
| | - Srinivasa R. Raghavan
- Department
of Chemical & Biomolecular Engineering, University of Maryland, College
Park, Maryland 20742-2111, United States
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10
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Jung H, Park SH, Lee J, Lee B, Park J, Seok Y, Choi JH, Kim MG, Song CS, Lee J. A Size-Selectively Biomolecule-Immobilized Nanoprobe-Based Chemiluminescent Lateral Flow Immunoassay for Detection of Avian-Origin Viruses. Anal Chem 2020; 93:792-800. [PMID: 33175513 DOI: 10.1021/acs.analchem.0c03153] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
In this study, a signal-amplifiable nanoprobe-based chemiluminescent lateral flow immunoassay (CL-LFA) was developed to detect avian influenza viruses (AIV) and other contagious and fatal viral avian-origin diseases worldwide. Signal-amplifiable nanoprobes are capable of size-selective immobilization of antibodies (binding receptors) and enzymes (signal transducers) on sensitive paper-based sensor platforms. Particle structure designs and conjugation pathways conducive for antigen accessibility to maximum amounts of immobilized enzymes and antibodies have advanced. The detection limit of the CL-LFA using the signal-amplifiable nanoprobe for the nucleoprotein of the H3N2 virus was 5 pM. Sensitivity tests for low pathogenicity avian influenza H9N2, H1N1, and high pathogenicity avian influenza H5N9 viruses were conducted, and the detection limits of CL-LFA were found to be 103.5 50% egg infective dose (EID50)/mL, 102.5 EID50/mL, and 104 EID50/mL, respectively, which is 20 to 100 times lower than that of a commercial AIV rapid test kit. Moreover, CL-LFA demonstrated high sensitivity and specificity against 37 clinical samples. The signal-amplifiable probe designed in this study is a potential diagnostic probe with ultrahigh sensitivity for applications in the field of clinical diagnosis, which requires sensitive antigen detection as evidenced by enhanced signaling capacity and sensitivity of the LFAs.
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Affiliation(s)
- Huijin Jung
- Molecular Recognition Research Center, Korea Institute of Science and Technology (KIST), Division of Nano and Information Technology, KIST School, Korea University of Science and Technology (UST), Seoul 02792, Republic of Korea.,Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | - Sung Hyeon Park
- Molecular Recognition Research Center, Korea Institute of Science and Technology (KIST), Division of Nano and Information Technology, KIST School, Korea University of Science and Technology (UST), Seoul 02792, Republic of Korea.,Department of HY-KIST Bio-convergence, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea
| | - Jiho Lee
- Avian Diseases Laboratory, College of Veterinary Medicine, Konkuk University, Seoul 05029, South Korea
| | - Byeongdu Lee
- X-ray Science Division, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Jinyoung Park
- Molecular Recognition Research Center, Korea Institute of Science and Technology (KIST), Division of Nano and Information Technology, KIST School, Korea University of Science and Technology (UST), Seoul 02792, Republic of Korea
| | - Youngung Seok
- Department of Chemistry, School of Physics and Chemistry, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagiro, Gwangju 500-712, Republic of Korea
| | - Jong-Ho Choi
- Department of Chemistry, Korea University, Seoul 02841, Republic of Korea
| | - Min-Gon Kim
- Department of Chemistry, School of Physics and Chemistry, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagiro, Gwangju 500-712, Republic of Korea
| | - Chang-Seon Song
- Avian Diseases Laboratory, College of Veterinary Medicine, Konkuk University, Seoul 05029, South Korea
| | - Joonseok Lee
- Molecular Recognition Research Center, Korea Institute of Science and Technology (KIST), Division of Nano and Information Technology, KIST School, Korea University of Science and Technology (UST), Seoul 02792, Republic of Korea.,Department of HY-KIST Bio-convergence, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea
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Liu W, Chen Q, Shang Y, Teng H, Liu H. Semi-quantitative Analysis of the UV-responsive Behavior of Anisotropic Phase Constructed by Gemini Surfactant 12-3-12·2Br− and trans-ortho-Methoxycinnamate. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125348] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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12
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Rosin-based chiral wormlike Micelles: Rheological behavior and its application in preparing ultrasmall gold nanoparticles. J Colloid Interface Sci 2020; 579:61-70. [PMID: 32570031 DOI: 10.1016/j.jcis.2020.06.029] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 06/01/2020] [Accepted: 06/07/2020] [Indexed: 12/15/2022]
Abstract
Innovations in surfactant structures are a feasible way to prepare unique molecular aggregates with interesting properties. Herein, taking dehydroabietic acid as the starting material, a new amine oxide surfactant, abbreviated as R-8-AO, was synthesized. Cryogenic transmission electron microscopy (cryo-TEM) images and circular dichroism (CD) spectra reveal that at suitable concentrations, R-8-AO molecules form rarely discovered right-handed chiral wormlike micelles, which have a cross-sectional diameter of 5-6 nm. The overlap concentration of R-8-AO is approximately 8 mM, above which the wormlike micelles began to entangle in solutions. Due to the strong van der Waals forces between R-8-AO molecules, the scaling law gives an exponent of 7.88, which is higher than the theory predicted value. Gold nanoparticles were synthesized in-situ by irradiating mixed solutions of HAuCl4 and wormlike micelles formed by R-8-AO with UV light. These ultrasmall spherical gold nanoparticles, which are located at the surface of wormlike micelles, have a uniform particle size of 3 ± 1 nm, as observed by TEM. In addition, the gold nanoparticles form a worm-like morphology induced by the wormlike micelles, showing soft-aggregate-directed nanoparticle assembly. This work is first to reveal the effectiveness of preparing ultrasmall gold nanoparticles with new morphological wormlike micelles as soft templates. The resulting organic-inorganic hybrid aggregates are also expected to find applications in catalysis and electronic fields.
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13
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Jora MZ, de Souza RN, Sabadini E. Role of F, Cl, Br and I in the wormlike micelles formation when combining C14TAB with 4-halogenbenzoates. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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14
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Nan YQ, Liu JX, Zhang SS, Chen DJ, Ye QX, Yuan C, Hao LS. Photo-responsive wormlike micellar systems based on mixed cationic/anionic surfactants and mixed photo-sensitive additives. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124988] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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15
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Li R, Zhang Q, Pei X, Xie D, Song B. The rheological behavior of organic salt/Gemini surfactant mixed systems: Effect of isomerization of additives. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2019.124114] [Citation(s) in RCA: 6] [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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16
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Jora MZ, de Souza RN, Barbosa TM, Tormena CF, Sabadini E. Probing the Formation of Wormlike Micelles Formed by Cationic Surfactant with Chlorobenzoate Derivatives. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:17046-17053. [PMID: 31809055 DOI: 10.1021/acs.langmuir.9b02173] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The energy released when tetradecyltrimethylammonium bromide (C14TAB) is combined with different derivatives of chlorobenzoates in an isothermal titration calorimeter (ITC) allows a direct evaluation of the spontaneity of the threading of the aromatic anions into the micellar palisade. The comparison between the enthalpimetric curves with the ones for viscosity of the solutions, hydrodynamic radii of the aggregates (dynamic light scattering experiments), and the fraction of aromatic anions incorporated (diffusion-ordered spectroscopy experiments) allows the establishment of the variations of enthalpy with formation, growth, and decrease of the wormlike micelles (WLMs). The formation of WLMs with C14TAB is very favored (very exothermic) for titrations of chlorobenzoate derivatives which present the chlorine atom in positions 3 or 4 of the aromatic ring. However, the aggregation is highly unfavorable if chlorine is at position 2 of chlorobenzoate. According to the results, the high potential of the ITC to determine critical concentrations and the energies associated with the aggregation of a cationic surfactant and aromatic anions for the formation of WLMs was demonstrated.
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Affiliation(s)
- Manazael Z Jora
- Physical Chemistry Department, Institute of Chemistry , University of Campinas-UNICAMP . P.O. Box 6154, 13084-862 Campinas , São Paulo , Brazil
| | - Renato N de Souza
- Physical Chemistry Department, Institute of Chemistry , University of Campinas-UNICAMP . P.O. Box 6154, 13084-862 Campinas , São Paulo , Brazil
| | - Thaís M Barbosa
- Organic Chemistry Department, Institute of Chemistry , University of Campinas-UNICAMP , P.O. Box: 6154, 13083-970 Campinas , São Paulo , Brazil
| | - Cláudio F Tormena
- Organic Chemistry Department, Institute of Chemistry , University of Campinas-UNICAMP , P.O. Box: 6154, 13083-970 Campinas , São Paulo , Brazil
| | - Edvaldo Sabadini
- Physical Chemistry Department, Institute of Chemistry , University of Campinas-UNICAMP . P.O. Box 6154, 13084-862 Campinas , São Paulo , Brazil
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Rheological behaviors and mechanism of pH-stimulus wormlike micelles variation induced by ortho-substituent types of benzoic acid. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.112080] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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18
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Aramaki K, Fujii M, Sakanishi Y. Rheological properties of silicone-surfactant-based wormlike micellar solution. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.123841] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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19
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de Souza RN, Jora MZ, Duarte LGTA, Clinckspoor KJ, Atvars TDZ, Sabadini E. A new interpretation of the mechanism of wormlike micelle formation involving a cationic surfactant and salicylate. J Colloid Interface Sci 2019; 552:794-800. [PMID: 31212113 DOI: 10.1016/j.jcis.2019.05.025] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 05/04/2019] [Accepted: 05/06/2019] [Indexed: 10/26/2022]
Abstract
HYPOTHESIS When tetradecyltrimethylammonium bromide, TTAB, is added to aqueous solution of sodium salicylate, NaSal, the threading of the aromatic anion into the micellar palisade leads to the formation of wormlike micelles. Based on the calorimetric titration of NaSal with TTAB, and on the lifetime of fluorescence of salicylate, we propose that the aggregation of the two components directly leads to the formation of wormlike micelles, without any pre-aggregation. EXPERIMENTS By using an isothermal titration calorimeter, aliquots of TTAB were added to a dilute solution of NaSal. The energy involved in each addition was then integrated and the variation of enthalpy was determined. In the same range of concentrations and molar ratios, the surface tensiometry and time-resolved emission spectroscopy experiments were performed. FINDINGS A very characteristic calorimetric signal associated with wormlike micelle formation was obtained, being the enthalpy variation of this process, ΔWLMH2980 < 0. When 1.2 mmol L-1 of NaSal is titrated with 11.0 mmol L-1 of TTAB at 298.15 K, ΔfH2980 = -10.31 kJ per mol of injectant. By adding TTAB to NaSal solution, two fluorescence lifetimes of salicylate were observed solely after wormlike micelle being formed. The correspondent lifetime values of 4.0 ns and 7.2 ns are respectively associated with the free and associated species of salicylate. The new results demonstrated that wormlike micelles are the first aggregate formed when TTAB is added to salicylate. This aspect is relevant for understanding the mechanism of wormlike micelles formation.
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Affiliation(s)
- Renato Nunes de Souza
- Physical Chemistry Department, Institute of Chemistry, University of Campinas-UNICAMP, P.O. Box 6154, 13084-862 Campinas, SP, Brazil
| | - Manazael Zuliani Jora
- Physical Chemistry Department, Institute of Chemistry, University of Campinas-UNICAMP, P.O. Box 6154, 13084-862 Campinas, SP, Brazil
| | | | - Karl Jan Clinckspoor
- Physical Chemistry Department, Institute of Chemistry, University of Campinas-UNICAMP, P.O. Box 6154, 13084-862 Campinas, SP, Brazil
| | - Teresa Dib Zambon Atvars
- Physical Chemistry Department, Institute of Chemistry, University of Campinas-UNICAMP, P.O. Box 6154, 13084-862 Campinas, SP, Brazil
| | - Edvaldo Sabadini
- Physical Chemistry Department, Institute of Chemistry, University of Campinas-UNICAMP, P.O. Box 6154, 13084-862 Campinas, SP, Brazil.
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20
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Tu Y, Chen Q, Shang Y, Teng H, Liu H. Photoresponsive Behavior of Wormlike Micelles Constructed by Gemini Surfactant 12-3-12·2Br - and Different Cinnamate Derivatives. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:4634-4645. [PMID: 30855972 DOI: 10.1021/acs.langmuir.8b04290] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The photoresponsive wormlike micelles constructed by Gemini surfactants and cinnamate derivatives play a great role in the field of smart materials. However, how the structure of cinnamate derivatives affects the photoresponsive behavior of micelles is still a hotspot for scientists to research. Here, three kinds of aromatic salts with different ortho-substituted groups including trans- o-methoxy cinnamate ( trans-OMCA), trans- o-hydroxy cinnamate ( trans-OHCA), and trans-cinnamate ( trans-CA) were introduced into Gemini surfactant 12-3-12·2Br- aqueous solutions to construct photoresponsive wormlike micelles through their noncovalent interactions. Their properties were researched using the rheological method, cryo-transmission electron microscopy, and 1H NMR and two-dimensional nuclear Overhauser effect spectra. The results show that these cinnamate derivatives could well construct wormlike micelles with 12-3-12·2Br-. Furthermore, subtle differences in the ortho substituents' structure have a significant effect on the photoresponsive behavior of formed wormlike micelles. Specifically, the zero viscosity (η0) of 40 mM 12-3-12·2Br-/24 mM trans-OHCA mixed solution decreases from 26.72 to 2.6 Pa·s with the shortening of the length of wormlike micelles after UV irradiation. Correspondingly, the η0 for the same ratio of 12-3-12·2Br-/ trans-OMCA decreases from 2.42 to 0.06 Pa·s and the wormlike micelles are transited into rodlike micelles and even spherical micelles after the same UV irradiation time. However, the variation of wormlike micelles in the 12-3-12·2Br-/ trans-CA system induced by UV light is not obvious with η0 being maintained at around 2.89 Pa·s. This study will help us better understand the effects of chemical groups on macrophenomena and microinteraction for micellar systems. It provides a theoretical basis for the construction of photoresponsive micelles, thus widening their application in the field of soft materials.
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Affiliation(s)
- Yan Tu
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering , East China University of Science and Technology , Shanghai 200237 , China
| | - Qizhou Chen
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering , East China University of Science and Technology , Shanghai 200237 , China
| | - Yazhuo Shang
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering , East China University of Science and Technology , Shanghai 200237 , China
| | - Hongni Teng
- Department of Applied Chemistry, College of Chemical and Environmental Engineering , Shandong University of Science and Technology , Qingdao 266510 , China
| | - Honglai Liu
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering , East China University of Science and Technology , Shanghai 200237 , China
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21
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Gu PP, Zhao JX. A reverse lyotropic liquid crystal formed by cetylpyridiniumchloride in cyclohexane with the assistance of aromatic counterions. Colloid Polym Sci 2019. [DOI: 10.1007/s00396-018-04466-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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22
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The effects of small molecule organic additives on the self-assembly and rheology of betaine wormlike micellar fluids. J Colloid Interface Sci 2019; 534:518-532. [DOI: 10.1016/j.jcis.2018.09.046] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 09/12/2018] [Accepted: 09/13/2018] [Indexed: 11/23/2022]
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23
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Creatto EJ, Ceccacci F, Mancini G, Sabadini E. Effect of the Hydrophobic Tail of a Chiral Surfactant on the Chirality of Aggregates and on the Formation of Wormlike Micelles. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:13288-13295. [PMID: 30350684 DOI: 10.1021/acs.langmuir.8b02556] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The micellization of chiral enantiopure surfactants, dodecyl- N, N-dimethyl- N-( S)-(1-phenyl)ethylammonium bromide and hexadecyl- N, N-dimethyl- N-( S)-(1-phenyl)ethylammonium bromide, was investigated by circular dichroism spectroscopy and isothermal titration calorimetry. The formation of wormlike micelles (WLMs) upon the addition of sodium salicylate to the aqueous solutions of the surfactant was observed only in the case of hexadecyl- N, N-dimethyl- N-( S)-(1-phenyl)ethylammonium bromide. The presence of WLMs was assessed by cryogenic transmission electron microscopy, rheology, and isothermal titration calorimetry experiments, and their supramolecular chirality was investigated by circular dichroism spectroscopy. Depending on the length of the hydrophobic tail, molecular chirality is transferred into a different chiral supramolecular trait. Our findings demonstrate that hydrophobic interactions by controlling the organization and functions of self-assemblies also control the transcription of the chiral information from molecules to complex supramolecular systems.
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Affiliation(s)
- Eduardo J Creatto
- Department of Physical-Chemistry, Institute of Chemistry , University of Campinas , P.O. Box 6154, 13084-862 Campinas , São Paulo , Brazil
| | - Francesca Ceccacci
- CNR-Istituto di Metodologie Chimiche, Sezione Meccanismi di Reazione, Dipartimento di Chimica Università degli Studi di Roma "Sapienza" , P.le A. Moro 5 , 00185 Roma , Italy
| | - Giovanna Mancini
- CNR-Istituto di Metodologie Chimiche , Via Salaria km 29.300 , Monterotondo Scalo, 00016 Rome , Italy
| | - Edvaldo Sabadini
- Department of Physical-Chemistry, Institute of Chemistry , University of Campinas , P.O. Box 6154, 13084-862 Campinas , São Paulo , Brazil
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24
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Liu D, Ma Y, Tan J, Wang L, Tang Q, Lu H. CO 2 regulates phase transition of sodium oleate and 3-(diethylamino)-propylamine in aqueous solution. J DISPER SCI TECHNOL 2018. [DOI: 10.1080/01932691.2018.1461642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Dongfang Liu
- College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, P. R. China
- Ministry of Education, Engineering Research Center of Oilfield Chemistry (Southwest Petroleum University), Chengdu, P. R. China
| | - Youlin Ma
- College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, P. R. China
- Ministry of Education, Engineering Research Center of Oilfield Chemistry (Southwest Petroleum University), Chengdu, P. R. China
| | - Jiang Tan
- College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, P. R. China
- Ministry of Education, Engineering Research Center of Oilfield Chemistry (Southwest Petroleum University), Chengdu, P. R. China
| | - Lu Wang
- College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, P. R. China
- Ministry of Education, Engineering Research Center of Oilfield Chemistry (Southwest Petroleum University), Chengdu, P. R. China
| | - Quanwu Tang
- College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, P. R. China
- Ministry of Education, Engineering Research Center of Oilfield Chemistry (Southwest Petroleum University), Chengdu, P. R. China
| | - Hongsheng Lu
- College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, P. R. China
- Ministry of Education, Engineering Research Center of Oilfield Chemistry (Southwest Petroleum University), Chengdu, P. R. China
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Tu Y, Ye Z, Lian C, Shang Y, Teng H, Liu H. UV-Responsive Behavior of Multistate and Multiscale Self-Assemblies Constructed by Gemini Surfactant 12-3-12·2Br - and trans- o-Methoxy-cinnamate. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:12990-12999. [PMID: 30289724 DOI: 10.1021/acs.langmuir.8b02914] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Photoresponsive systems with adjustable self-assembly morphologies and tunable rheological properties have aroused widespread concern of researchers in recent years because of their prospect applications in controlled release, microfluidics, sensors, and so forth. In this paper, we combine a cationic Gemini surfactant 12-3-12·2Br- and trans-2-methoxy-cinnamate ( trans-OMCA) together to create a representative UV-responsive self-assembly system. The system displays abundant self-assembly behaviors, and the self-assemblies with different states and different scales including wormlike micelles, vesicles, and lyotropic liquid crystals (LCs) as well as an aqueous two-phase system (ATPS) are observed even at lower surfactant concentration. The UV-responsive behavior of the formed self-assemblies is investigated systematically. The results have shown that the photoisomerization of OMCA from trans form to cis form under UV light irradiation alters the hydrophobicity and steric hindrance effect of OMCA and thus affects the molecular packing at the micellar interface and further leads to the transformation of assembly morphologies. The long wormlike micelles can gradually transform into much shorter rodlike micelles under UV irradiation and companied by the decrease of solution viscosity by 2 orders of magnitude. In addition, the vesicles can evolve into multistate self-assembly structures including the ATPS, wormlike micelles, rod-like micelles, and small spherical micelles depending on the UV irradiation time. The ATPS and its adjacent anisotropic LC phase can respectively combine into a single phase and separate into ATPS under UV irradiation. The morphologies of assemblies in the 12-3-12·2Br-/ trans-OMCA mixed system can be tailored by adjusting the system composition and duration of UV light irradiation on purpose. The photoresponsive system with abundant self-assembly behaviors and tunable rheological properties has wide application prospect in numerous fields such as drug delivery, materials science, smart fluids, and so forth, and the macroscopic phase separation and combination provide novel strategies for effective separation and purification of certain substances.
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Affiliation(s)
- Yan Tu
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering , East China University of Science and Technology , Shanghai 200237 , China
| | - Zhicheng Ye
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering , East China University of Science and Technology , Shanghai 200237 , China
| | - Cheng Lian
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering , East China University of Science and Technology , Shanghai 200237 , China
| | - Yazhuo Shang
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering , East China University of Science and Technology , Shanghai 200237 , China
| | - Hongni Teng
- Department of Applied Chemistry, College of Chemical and Environmental Engineering , Shandong University of Science and Technology , Qingdao 266510 , China
| | - Honglai Liu
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering , East China University of Science and Technology , Shanghai 200237 , China
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Micellar transition (ellipsoidal to ULV) induced in aqueous Gemini surfactant (12-2-12) solution as a function of additive concentration and temperature using experimental and theoretical study. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2018.06.070] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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27
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Aramaki K, Ooishi K, Fujii M, Ariga K, Shrestha LK. Demonstration of a Novel Charge-Free Reverse Wormlike Micelle System. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:8670-8677. [PMID: 29940738 DOI: 10.1021/acs.langmuir.8b01632] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We demonstrate a novel charge-free reverse wormlike micelle (RWLM) consisting of a ternary mixture of a nonionic amphiphilic block copolymer, fatty acid alkyl ester oil, and water under ambient conditions. Nonionic amphiphile tetra-[poly(oxyethylene)-poly(oxybutylene)]pentaerythrityl ether (TEBPE) self-assembled into spheroid-type micelles in nonaqueous media isopropyl myristate (IPM) with viscosity comparable to that of IPM. The addition of water increases viscosity only slightly up to a certain concentration of water and then drastically, demonstrating the sphere-to-wormlike micelle transition as confirmed by small-angle X-ray scattering. Further increase in water decreases the viscosity after attaining a maximum value. The zero shear viscosity (η0) of the 10 wt % TEBPE/IPM system reached the maximum at 2.6 wt % water and ca. 56 Pa·s, which is ∼fivefold higher than that of water. Dynamic rheological measurements on the highly viscous solutions confirmed the viscoelastic behavior and could be described by the Maxwell model. Conductivity, measured in the presence of a conductive probe, 1-ethyl-3-methylimidazolium tetrafluoroborate, was found to be higher for viscous samples compared to the nonviscous samples, suggesting the static percolation caused by the RWLM formation. Decrease in η0 and conductivity beyond a maximum suggests the shortening of reverse micelles. A similar behavior has been observed in other fatty acid alkyl ester oils of different alkyl chain lengths. Note that most of the RWLM systems previously reported are based on phosphatidylcholine (PC). Formulation and structure-properties related to non-PC-based RWLMs have been rarely explored. Non-PC-based RWLMs using chemically stable and low-cost synthetic molecules can be applied not only in pharmaceuticals and cosmetics but also in a wide range of applications including drag reduction agents for nonaqueous fluids and as a template for nanomaterial synthesis.
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Affiliation(s)
- Kenji Aramaki
- Graduate School of Environment and Information Sciences , Yokohama National University , Tokiwadai 79-7 , Hodogaya-ku, Yokohama 240-8501 , Japan
| | - Kaoru Ooishi
- Graduate School of Environment and Information Sciences , Yokohama National University , Tokiwadai 79-7 , Hodogaya-ku, Yokohama 240-8501 , Japan
| | - Misaki Fujii
- Graduate School of Environment and Information Sciences , Yokohama National University , Tokiwadai 79-7 , Hodogaya-ku, Yokohama 240-8501 , Japan
| | - Katsuhiko Ariga
- International Center for Materials Nanoarchitectonics (WPI-MANA) , National Institute for Materials Science (NIMS) , 1-1 Namiki , Tsukuba , Ibaraki 305-0044 , Japan
- Department of Advanced Materials Science, Graduate School of Frontier Sciences , The University of Tokyo , 5-1-5 Kashiwanoha , Kashiwa , Chiba 277-8561 , Japan
| | - Lok Kumar Shrestha
- International Center for Materials Nanoarchitectonics (WPI-MANA) , National Institute for Materials Science (NIMS) , 1-1 Namiki , Tsukuba , Ibaraki 305-0044 , Japan
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Deng SL, Zhao JX, Wen ZX. Self-assembly of quaternary ammonium gemini surfactants in cyclohexane upon reinforcement by simple counterions. RSC Adv 2018; 8:18880-18888. [PMID: 35539680 PMCID: PMC9080703 DOI: 10.1039/c8ra02720j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 05/03/2018] [Indexed: 11/24/2022] Open
Abstract
The quaternary ammonium gemini surfactants 12-s-12 (s = 2, 6, and 10) can produce homogeneous cyclohexane solutions with the assistance of salts, sodium benzoate (NaBez), sodium salicylate (NaSal), or sodium 2-bromoethanesulphonate (NaBres). In these samples, 12-s-12/salt formed aggregates and their structures were assigned by SAXS measurements together with POM observations. Among the three salts, both NaBez and NaBres had similar effects on assisting aggregate formation, but NaSal favoured the generation of aggregates of 12-s-12 with lower interface curvature. For example, both 12-2-12/NaBez and 12-2-12/NaBres formed an I2 liquid crystalline (LC) phase with an Fm3m structure, but 12-2-12/NaSal generated a H2 LC phase. Both 12-6-12/NaBez and 12-6-12/NaBres generated a H2 LC phase, while 12-6-12/NaSal yielded both H2 and V2 phases with Pn3m symmetry, both of which co-existed in solution. The special effect of NaSal was attributed to its ortho-hydroxyl in the benzene ring. This favoured the formation of intermolecular hydrogen bonds among the NaSal molecules attracted to the quaternary ammonium head of 12-s-12. The water molecules joined between the NaSal molecules to build hydrogen-bonding bridges, which further increased the size of the 12-s-12 head. This benefited the formation of aggregates with lower surface curvature. In the systems of both NaBez and NaBres, the spacer length of the gemini surfactants dominated the morphology of the formed aggregates, wherein the effect of the salt was significantly weaker. Finally, the visco-elasticity of samples with similar aggregates was measured and the rheological behaviour discussed.
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Affiliation(s)
- Sheng-Lu Deng
- Institute of Colloid and Interface Chemistry, College of Chemistry and Chemical Engineering, Fuzhou University Fuzhou Fujian 350108 China
| | - Jian-Xi Zhao
- Institute of Colloid and Interface Chemistry, College of Chemistry and Chemical Engineering, Fuzhou University Fuzhou Fujian 350108 China
| | - Zhi-Xiu Wen
- Institute of Colloid and Interface Chemistry, College of Chemistry and Chemical Engineering, Fuzhou University Fuzhou Fujian 350108 China
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Mirgorodskaya AB, Valeeva FG, Zakharov SV, Kuryashov DA, Bashkirtseva NY, Zakharova LY. Aggregation behavior of morpholinium surfactants in the presence of organic electrolytes. Russ Chem Bull 2018. [DOI: 10.1007/s11172-018-2072-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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30
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Tu Y, Gao M, Teng H, Shang Y, Fang B, Liu H. A gemini surfactant-containing system with abundant self-assembly morphology and rheological behaviors tunable by photoinduction. RSC Adv 2018; 8:16004-16012. [PMID: 35542184 PMCID: PMC9080092 DOI: 10.1039/c8ra01070f] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2018] [Accepted: 04/16/2018] [Indexed: 01/01/2023] Open
Abstract
The photoisomerization of OMCA affects the degree of OMCA participation in the formation of mixed micelles and results in the transformation of micellar morphologies.
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Affiliation(s)
- Yan Tu
- Key Laboratory for Advanced Materials
- School of Chemistry & Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Mengge Gao
- Key Laboratory for Advanced Materials
- School of Chemistry & Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Hongni Teng
- Department of Applied Chemistry
- College of Chemical and Environmental Engineering
- Shandong University of Science and Technology
- Qingdao 266510
- China
| | - Yazhuo Shang
- Key Laboratory for Advanced Materials
- School of Chemistry & Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Bo Fang
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering
- Lab of Chemical Engineering Rheology
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Honglai Liu
- Key Laboratory for Advanced Materials
- School of Chemistry & Molecular Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
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31
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Photoisomerization induced scission of rod-like micelles unravelled with multiscale modeling. J Colloid Interface Sci 2018; 510:357-367. [DOI: 10.1016/j.jcis.2017.09.036] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2017] [Revised: 09/07/2017] [Accepted: 09/07/2017] [Indexed: 11/21/2022]
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32
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Destefani TA, Lavansdoski Onaga G, de Farias MA, Percebom AM, Sabadini E. Stabilization of spherical nanoparticles of iron(III) hydroxides in aqueous solution by wormlike micelles. J Colloid Interface Sci 2017; 513:527-535. [PMID: 29179093 DOI: 10.1016/j.jcis.2017.11.035] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 11/08/2017] [Accepted: 11/11/2017] [Indexed: 11/29/2022]
Abstract
HYPOTHESIS The low Ksp value of Fe(OH)3 (3 × 10-38 at 298 K) explain the immediate coagulation when the pH of a solution of Fe(III) is adjusted to 7. However, stable dispersions of Fe(OH)3 can be formed when the pH is adjusted to 7 in the presence of wormlike micelles formed by cetyltrimethylammonium bromide and sodium salicylate. The formation of a structure containing Fe(OH)3 nanoparticles decorating wormlike micelles is responsible for the high stability of the dispersions. EXPERIMENTS Fe(OH)3 nanoparticles were obtained by increasing the pH of solutions of cetyltrimethylammonium bromide and Fe(III), previously complexed with salicylate at pH 3. The interaction between nanoparticles and the chains of wormlike micelles was investigated by DLS, SAXS, TEM and Cryo-TEM. FINDINGS DLS revealed higher scattering contrast and slower diffusion for wormlike micelles in the presence of nanoparticles. These results were interpreted as the decoration of the chains of wormlike micelles by nanoparticles of Fe(OH)3. A pearl-necklace model was successfully used to adjust SAXS curves, revealing nanoparticles with ∼3 nm of diameter, spaced ∼2 nm apart along the string. This result agrees with TEM and Cryo-TEM images. The formed structure prevents the coagulation of nanoparticles, assuring high stability to the dispersion.
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Affiliation(s)
- Thalita Angélica Destefani
- Department of Physical-Chemistry, Institute of Chemistry, University of Campinas, P.O. BOX 6154, 13084-862 Campinas, SP, Brazil
| | - Gabriel Lavansdoski Onaga
- Department of Physical-Chemistry, Institute of Chemistry, University of Campinas, P.O. BOX 6154, 13084-862 Campinas, SP, Brazil
| | - Marcelo Alexandre de Farias
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), 13083-970 Campinas, São Paulo, Brazil
| | - Ana Maria Percebom
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), 22451-900 Rio de Janeiro, RJ, Brazil
| | - Edvaldo Sabadini
- Department of Physical-Chemistry, Institute of Chemistry, University of Campinas, P.O. BOX 6154, 13084-862 Campinas, SP, Brazil.
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33
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Pasquino R, De Gennaro B, Gaudino D, Grizzuti N. On the Use of Nonsteroidal Anti-Inflammatory Drugs as Rheology Modifiers for Surfactant Solutions. J Pharm Sci 2017; 106:3410-3412. [PMID: 28712964 DOI: 10.1016/j.xphs.2017.07.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Revised: 06/27/2017] [Accepted: 07/06/2017] [Indexed: 12/01/2022]
Abstract
Surfactant molecules can give rise to different morphological structures, depending on numerous parameters such as temperature, surfactant concentration, and salinity. Specifically, the salt content can be easily tuned in a way to induce morphological transitions and modulate the rheological response. It is shown that nonsteroidal anti-inflammatory drugs can be used in the same way as classical binding salts in changing the rheological properties of the resulting gel-like system. On the one hand, the experimental results show that by tuning small details in the molecular conformation of the drug and its concentration in the micellar solution, it is possible to obtain the desired mechanical response. On the other hand, the results prove that rheology can be considered as a powerful tool to detect the drug release content, with obvious consequences on possible applications.
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Affiliation(s)
- Rossana Pasquino
- DICMaPI, Università degli Studi di Napoli Federico II, Napoli, Italy.
| | - Bruno De Gennaro
- DICMaPI, Università degli Studi di Napoli Federico II, Napoli, Italy
| | - Danila Gaudino
- DICMaPI, Università degli Studi di Napoli Federico II, Napoli, Italy
| | - Nino Grizzuti
- DICMaPI, Università degli Studi di Napoli Federico II, Napoli, Italy
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34
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Lu H, Ma Y, Wang B, Huang Z. The CO2 stimulus-responsive spherical-worm-like micelles transition based on anionic surfactant sodium oleate and N, N, N′, N′, N″-pentamethyldipropylenetriamine. J DISPER SCI TECHNOL 2017. [DOI: 10.1080/01932691.2016.1269649] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Hongsheng Lu
- College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, P. R. China
- Engineering Research Center of Oilfield Chemistry (Southwest Petroleum University), Ministry of Education, Chengdu, P. R. China
| | - Youlin Ma
- College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, P. R. China
| | - Baogang Wang
- College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, P. R. China
| | - Zhiyu Huang
- College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, P. R. China
- Engineering Research Center of Oilfield Chemistry (Southwest Petroleum University), Ministry of Education, Chengdu, P. R. China
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35
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Han C, Guo Y, Chen X, Yao M, Zhang Y, Zhang Q, Wei X. Phase behaviour and temperature-responsive properties of a gemini surfactant/Brij-30/water system. SOFT MATTER 2017; 13:1171-1181. [PMID: 28098305 DOI: 10.1039/c6sm02654k] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The phase behaviour of a ternary system composed of cationic gemini surfactant 2-hydroxypropyl-1,3-bis(myristyldimethylammonium chloride) (14-3(OH)-14(2Cl)), nonionic surfactant polyoxyethylene laurel ether (C12H25(OCH2CH2)10OH, Brij-30) and H2O was studied and its phase diagram was determined. In several different phase regions identified in the phase diagram, the viscoelastic worm-like micellar solution region was investigated. The focus of the investigation was the increase in the viscosity of the micellar solution with the temperature and the Brij-30 content, as suggested by a partial region of the triangular phase diagram. With an increase in the Brij-30 content or temperature, one-dimensional micellar growth occurred, and a maximum appeared in the zero-shear viscosity, η0, versus Brij-30 content or temperature curves; this was true for mixed solutions containing 14-3(OH)-14(2Cl) and Brij-30 in different mass ratios (WBrij-30/W14-3(OH)-14(2Cl)). After the maximum point, the decrease in viscosity is the result of the micellar shortening in the size with Brij-30 content and of the micellar branching in the network structure with temperature. This rheological analysis was performed to investigate the structural changes in different solutions as well as the effects of various factors on micellar growth. Various techniques were used to study the phase-transition processes occurring in this system, including cryogenic transmission electron microscopy, small-angle X-ray scattering measurements, and differential scanning calorimetry. The transition mechanisms of the aggregates were analysed on the basis of the obtained results.
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Affiliation(s)
- Chuanhong Han
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, P. R. China.
| | - Yan Guo
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, P. R. China.
| | - Xiaoxiao Chen
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, P. R. China.
| | - Meihuan Yao
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
| | - Yingtian Zhang
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, P. R. China.
| | - Qirui Zhang
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, P. R. China.
| | - Xilian Wei
- Shandong Provincial Key Laboratory of Chemical Energy Storage and Novel Cell Technology, College of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, P. R. China.
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36
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Lutz-Bueno V, Isabettini S, Walker F, Kuster S, Liebi M, Fischer P. Ionic micelles and aromatic additives: a closer look at the molecular packing parameter. Phys Chem Chem Phys 2017; 19:21869-21877. [DOI: 10.1039/c7cp03891g] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Tuning mixture of ionic surfactants with aromatic additives results in micelles with impressive viscoelastic properties.
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Affiliation(s)
- Viviane Lutz-Bueno
- Institute of Food, Nutrition and Health
- ETH Zurich
- 8092 Zurich
- Switzerland
- Swiss Light Source
| | | | - Franziska Walker
- Institute of Food, Nutrition and Health
- ETH Zurich
- 8092 Zurich
- Switzerland
| | - Simon Kuster
- Institute of Food, Nutrition and Health
- ETH Zurich
- 8092 Zurich
- Switzerland
| | - Marianne Liebi
- Swiss Light Source
- Paul Scherrer Institute
- 5232 Villigen PSI
- Switzerland
| | - Peter Fischer
- Institute of Food, Nutrition and Health
- ETH Zurich
- 8092 Zurich
- Switzerland
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37
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Pasquino R, Di Domenico M, Izzo F, Gaudino D, Vanzanella V, Grizzuti N, de Gennaro B. Rheology-sensitive response of zeolite-supported anti-inflammatory drug systems. Colloids Surf B Biointerfaces 2016; 146:938-44. [DOI: 10.1016/j.colsurfb.2016.07.039] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2016] [Revised: 07/09/2016] [Accepted: 07/19/2016] [Indexed: 11/29/2022]
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38
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Wei X, Geng P, Han C, Guo Y, Chen X, Zhang J, Zhang Y, Sun D, Zhou S. Rheological Properties of Viscoelastic Solutions in a Cationic Surfactant–Organic Salts–Water System. Ind Eng Chem Res 2016. [DOI: 10.1021/acs.iecr.6b00238] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xilian Wei
- Shandong
Provincial Key Laboratory
of Chemical Energy Storage and Novel Cell Technology, College of Chemistry
and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, People’s Republic of China
| | - Peipei Geng
- Shandong
Provincial Key Laboratory
of Chemical Energy Storage and Novel Cell Technology, College of Chemistry
and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, People’s Republic of China
| | - Chuanhong Han
- Shandong
Provincial Key Laboratory
of Chemical Energy Storage and Novel Cell Technology, College of Chemistry
and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, People’s Republic of China
| | - Yan Guo
- Shandong
Provincial Key Laboratory
of Chemical Energy Storage and Novel Cell Technology, College of Chemistry
and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, People’s Republic of China
| | - Xiaoxiao Chen
- Shandong
Provincial Key Laboratory
of Chemical Energy Storage and Novel Cell Technology, College of Chemistry
and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, People’s Republic of China
| | - Junhong Zhang
- Shandong
Provincial Key Laboratory
of Chemical Energy Storage and Novel Cell Technology, College of Chemistry
and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, People’s Republic of China
| | - Yingtian Zhang
- Shandong
Provincial Key Laboratory
of Chemical Energy Storage and Novel Cell Technology, College of Chemistry
and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, People’s Republic of China
| | - Dezhi Sun
- Shandong
Provincial Key Laboratory
of Chemical Energy Storage and Novel Cell Technology, College of Chemistry
and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, People’s Republic of China
| | - Shiyan Zhou
- Shandong
Provincial Key Laboratory
of Chemical Energy Storage and Novel Cell Technology, College of Chemistry
and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, People’s Republic of China
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39
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Vasilieva EA, Zakharov SV, Kuryashov DA, Valeeva FG, Ibragimova AR, Bashkirtseva NY, Zakharova LY. Supramolecular systems based on cationic surfactants: an influence of hydrotropic salts and oppositely charged polyelectrolytes. Russ Chem Bull 2016. [DOI: 10.1007/s11172-015-1091-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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40
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Takahashi Y, Kishimoto M, Kondo Y. Photoinduced formation of threadlike micelles from mixtures of a cationic surfactant and a stilbene amphiphile. J Colloid Interface Sci 2016; 470:250-256. [DOI: 10.1016/j.jcis.2016.02.053] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Revised: 02/22/2016] [Accepted: 02/22/2016] [Indexed: 11/24/2022]
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41
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Umeasiegbu CD, Balakotaiah V, Krishnamoorti R. pH-Induced Re-entrant Microstructural Transitions in Cationic Surfactant-Hydrotrope Mixtures. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:655-663. [PMID: 26654713 DOI: 10.1021/acs.langmuir.5b02211] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The structural transitions occurring with change in pH for aqueous mixtures of a cationic surfactant (cetyltrimethylammonium bromide, CTAB) and a hydrotrope (sodium salicylate, NaSal) were investigated at various temperatures using dynamic light scattering and small-angle neutron scattering. Direct structural studies show a transition from rigid cylindrical micelles at neutral pH to spherical micelles at ∼ pH 2 upon protonation of salicylate molecules; however, an unanticipated reversion to flexible cylindrical micelles with further decrease in pH was observed. We also observed these microstructure transitions from cylinders at high pH to spherical micelles at intermediate pH to flexible cylindrical micelles at low pH were highly sensitive to temperature. Our results suggest that, in addition to the well-described electrostatic and hydrophobic interactions in cationic surfactant-hydrotrope mixtures, the pH-induced microstructural changes are potentially governed by complementary cation-π and hydrogen bonding interactions.
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Affiliation(s)
- Chinedu D Umeasiegbu
- Department of Chemical and Biomolecular Engineering, University of Houston , Houston, Texas 77204-4004, United States
| | - Vemuri Balakotaiah
- Department of Chemical and Biomolecular Engineering, University of Houston , Houston, Texas 77204-4004, United States
| | - Ramanan Krishnamoorti
- Department of Chemical and Biomolecular Engineering, University of Houston , Houston, Texas 77204-4004, United States
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42
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Padsala S, Dharaiya N, Sastry N, Aswal VK, Bahadur P. Microstructural morphologies of CTAB micelles modulated by aromatic acids. RSC Adv 2016. [DOI: 10.1039/c6ra24271e] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
pH and temperature-dependent aggregation behaviour of CTAB with solubilized aromatic acids.
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Affiliation(s)
- Shailesh Padsala
- Department of Chemistry
- Veer Narmad South Gujarat University
- Surat-395007
- India
| | - Nilesh Dharaiya
- Department of Chemistry
- Veer Narmad South Gujarat University
- Surat-395007
- India
| | | | - Vinod K. Aswal
- Solid State Physics Division
- Bhabha Atomic Research Centre
- Mumbai-400085
- India
| | - Pratap Bahadur
- Department of Chemistry
- Veer Narmad South Gujarat University
- Surat-395007
- India
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43
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A Rehage-Hoffmann rheological approach to worm-like micelles of C16TAB and ortho-hydroxycinnamate. Colloid Polym Sci 2015. [DOI: 10.1007/s00396-015-3672-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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44
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Ito TH, Rodrigues RK, Loh W, Sabadini E. Calorimetric and Light Scattering Investigations of the Transition from Spherical to Wormlike Micelles of C₁₄TAB Triggered by Salicylate. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:6020-6026. [PMID: 25978073 DOI: 10.1021/acs.langmuir.5b01027] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Although wormlike micelles (WLM) were first described more than 30 years ago, many aspects of their formation process are still unclear. Herein, a systematic experimental investigation of the process for wormlike micelle (WLM) formation in mixtures of tetradecyltrimethylammonium bromide (C14TAB) and salicylate (2-hydroxybenzoate) was carried out. This system was used as a model to investigate the conditions for the formation of the giant aggregate. For comparison, the other two isomers of salicylate (3- and 4-hydroxybenzoate) were also investigated, once in these cases wormlike micelles are not formed. The studies were based on calorimetric titration, static light scattering, and rheological measurements. Enthalpy changes upon titration of C14TAB into 2-hydroxybenzoate solutions revealed a highly cooperative and exothermic process that was associated with micelle growth. The size of the aggregates, obtained by static light scattering measurements, confirms the shape transition. In addition, the correlation of these two sets of results with measurements of micelle charge surface indicates that this transition occurs around the point of charge neutralization.
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Affiliation(s)
- Thiago Heiji Ito
- Department of Physical Chemistry, Institute of Chemistry, University of Campinas, P.O. Box 6154, 13084-862 Campinas, SP Brazil
| | - Roberta Kamei Rodrigues
- Department of Physical Chemistry, Institute of Chemistry, University of Campinas, P.O. Box 6154, 13084-862 Campinas, SP Brazil
| | - Watson Loh
- Department of Physical Chemistry, Institute of Chemistry, University of Campinas, P.O. Box 6154, 13084-862 Campinas, SP Brazil
| | - Edvaldo Sabadini
- Department of Physical Chemistry, Institute of Chemistry, University of Campinas, P.O. Box 6154, 13084-862 Campinas, SP Brazil
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45
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Preziosi V, Tarabella G, D'Angelo P, Romeo A, Barra M, Guido S, Cassinese A, Iannotta S. Real-time monitoring of self-assembling worm-like micelle formation by organic transistors. RSC Adv 2015. [DOI: 10.1039/c4ra14118k] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
OECT (Fig. a) for monitoring micelle formation in a spherical (red points – Fig. b) and a wormlike (blue points – Fig. b) regime solutions.
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Affiliation(s)
- V. Preziosi
- CNR-SPIN and Physics Dep
- University Federico II
- I-80125 Naples
- Italy
| | - G. Tarabella
- IMEM-CNR
- Parco Area delle Scienze 37/A
- I-43124 Parma
- Italy
| | - P. D'Angelo
- IMEM-CNR
- Parco Area delle Scienze 37/A
- I-43124 Parma
- Italy
| | - A. Romeo
- IMEM-CNR
- Parco Area delle Scienze 37/A
- I-43124 Parma
- Italy
| | - M. Barra
- CNR-SPIN and Physics Dep
- University Federico II
- I-80125 Naples
- Italy
| | - S. Guido
- Department of Chemical, Materials and Production Engineering
- University Federico II
- I-80125 Naples
- Italy
| | - A. Cassinese
- CNR-SPIN and Physics Dep
- University Federico II
- I-80125 Naples
- Italy
| | - S. Iannotta
- IMEM-CNR
- Parco Area delle Scienze 37/A
- I-43124 Parma
- Italy
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