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Dos Santos Silva Araújo L, Lazzara G, Chiappisi L. Thermoresponsive behavior of cyclodextrin inclusion complexes with weakly anionic alkyl ethoxy carboxylates. SOFT MATTER 2023; 19:1523-1530. [PMID: 36727568 DOI: 10.1039/d2sm01621d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
This study investigates the temperature responsive behavior of inclusion complexes formed by weakly anionic alkyl ethoxy carboxylates and α (αCD) and β-cyclodextrins (βCD). Small-angle neutron scattering (SANS) was performed to probe the structural behaviour at the 1-100 nanometer scale of the hierarchical assemblies at different temperatures. The phase transitions and thermodynamics were systematically monitored as a function of the degree of ionization of the surfactant by differential scanning calorimetry (DSC). Herein, we investigate the effect of the surfactant degree of ionization on the thermoresponsive properties of the inclusion complex supramolecular assemblies. Inclusion complexes formed with the ionized surfactant spontaneously assemble into multilayered structures, which soften with increasing temperature. We also found that the presence of charges is not only required to impart order to the supramolecular assemblies, but also induced in-plane crystallization of the inclusion complexes. Finally, the use of a weakly anionic surfactant allows us to probe the interplay between the charge density and temperature on the assembly of surfactant-cyclodextrin inclusion complexes. This study helps to improve the design of multi-responsive supramolecular systems based on cyclodextrins.
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Affiliation(s)
- Larissa Dos Santos Silva Araújo
- Dipartimento di Fisica e Chimica, Università degli Studi di Palermo, Viale delle Scienze pad 17, 90128, Palermo, Italy
- Institut Max von Laue-Paul Langevin, 71 avenue des Martyrs, 38042, Grenoble, France.
| | - Giuseppe Lazzara
- Dipartimento di Fisica e Chimica, Università degli Studi di Palermo, Viale delle Scienze pad 17, 90128, Palermo, Italy
| | - Leonardo Chiappisi
- Institut Max von Laue-Paul Langevin, 71 avenue des Martyrs, 38042, Grenoble, France.
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Alva-Ensastegui J, Palomar-Pardavé M, Ramírez-Silva M, Aparicio-Gutiérrez N. Quercetin Displacement Caused By Sodium Dodecyl Sulphate On Inclusion Complex Quercetin-Beta Cyclodextrin In An Acid Environment. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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3
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Martín VI, López-Cornejo P, López-López M, Blanco-Arévalo D, Moreno-Vargas AJ, Angulo M, Laschewsky A, Moyá ML. Influence of the surfactant degree of oligomerization on the formation of cyclodextrin: surfactant inclusion complexes. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2018.04.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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4
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Influence of the cyclodextrin nature on the decompaction of dimeric cationic surfactant-DNA complexes. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2018.06.066] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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5
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Sarkar K, Barman BK, Nath Roy M. Study to explore inclusion complexes of α- and β-cyclodextrin molecules with 3-octyl-1-methylimidazolium bromide with the manifestation of hydrophobic and hydrophilic interactions. Chem Phys Lett 2018. [DOI: 10.1016/j.cplett.2018.07.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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6
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Barman S, Ekka D, Saha S, Roy MN. NMR, surface tension and conductance study to investigate host–guest inclusion complexes of three sequential ionic liquids with β-cyclodextrin in aqueous media. Chem Phys Lett 2016. [DOI: 10.1016/j.cplett.2016.06.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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7
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Use of liquid crystals for imaging different inclusion abilities of α-cyclodextrin and β-cyclodextrin toward cetyltrimethyl ammonium bromide. Chem Phys Lett 2015. [DOI: 10.1016/j.cplett.2015.08.021] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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8
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Kittisrisawai S, Romero-Zerón LB. Complexation of Surfactant/β-Cyclodextrin to Inhibit Surfactant Adsorption onto Sand, Kaolin, and Shale for Applications in Enhanced Oil Recovery Processes. Part II: Dynamic Adsorption Analysis. J SURFACTANTS DETERG 2015. [DOI: 10.1007/s11743-015-1703-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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9
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Alhassawi H, Romero-Zerón L. Novel surfactant delivery system for controlling surfactant adsorption onto solid surfaces. Part II: Dynamic adsorption tests. CAN J CHEM ENG 2015. [DOI: 10.1002/cjce.22231] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Hassan Alhassawi
- Department of Chemical Engineering; University of New Brunswick; Head Hall, 15 Dineen Dr., E3B 5A3 Fredericton, NB Canada
| | - Laura Romero-Zerón
- Department of Chemical Engineering; University of New Brunswick; Head Hall, 15 Dineen Dr., E3B 5A3 Fredericton, NB Canada
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10
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Complexation of Surfactant/β-Cyclodextrin to Inhibit Surfactant Adsorption onto Sand, Kaolin, and Shale for Applications in Enhanced Oil Recovery Processes. Part I: Static Adsorption Analysis. J SURFACTANTS DETERG 2015. [DOI: 10.1007/s11743-015-1688-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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11
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Sajid Ali M, Rub MA, Khan F, Al-Lohedan H, Kabir-ud-Din. β-Cyclodextrin-promazine hydrochloride interaction: Conductometric and viscometric studies. JOURNAL OF SAUDI CHEMICAL SOCIETY 2015. [DOI: 10.1016/j.jscs.2011.12.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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12
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Wei B, Romero-Zerón L, Rodrigue D. Improved viscoelasticity of xanthan gum through self-association with surfactant: β-cyclodextrin inclusion complexes for applications in enhanced oil recovery. POLYM ENG SCI 2014. [DOI: 10.1002/pen.23912] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Bing Wei
- Department of Chemical Engineering; University of New Brunswick; Fredericton Canada E3B 5A3
| | - Laura Romero-Zerón
- Department of Chemical Engineering; University of New Brunswick; Fredericton Canada E3B 5A3
| | - Denis Rodrigue
- Department of Chemical Engineering; Université Laval; Québec Canada G1V 0A6
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Valente AJM, Söderman O. The formation of host-guest complexes between surfactants and cyclodextrins. Adv Colloid Interface Sci 2014; 205:156-76. [PMID: 24011696 DOI: 10.1016/j.cis.2013.08.001] [Citation(s) in RCA: 133] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2013] [Revised: 08/01/2013] [Accepted: 08/01/2013] [Indexed: 11/15/2022]
Abstract
Cyclodextrins are able to act as host molecules in supramolecular chemistry with applications ranging from pharmaceutics to detergency. Among guest molecules surfactants play an important role with both fundamental and practical applications. The formation of cyclodextrin/surfactant host-guest compounds leads to an increase in the critical micelle concentration and in the solubility of surfactants. The possibility of changing the balance between several intermolecular forces, and thus allowing the study of, e.g., dehydration and steric hindrance effects upon association, makes surfactants ideal guest molecules for fundamental studies. Therefore, these systems allow for obtaining a deep insight into the host-guest association mechanism. In this paper, we review the influence on the thermodynamic properties of CD-surfactant association by highlighting the effect of different surfactant architectures (single tail, double-tailed, gemini and bolaform), with special emphasis on cationic surfactants. This is complemented with an assessment of the most common analytical techniques used to follow the association process. The applied methods for computation of the association stoichiometry and stability constants are also reviewed and discussed; this is an important point since there are significant discrepancies and scattered data for similar systems in the literature. In general, the surfactant-cyclodextrin association is treated without reference to the kinetics of the process. However, there are several examples where the kinetics of the process can be investigated, in particular those where volumes of the CD cavity and surfactant (either the tail or in special cases the head group) are similar in magnitude. This will also be critically reviewed.
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Affiliation(s)
- Artur J M Valente
- Department of Chemistry, University of Coimbra, 3004-535 Coimbra, Portugal.
| | - Olle Söderman
- Division of Physical Chemistry, Center for Chemistry and Chemical Engineering, Lund University, Lund, Sweden
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Wei B, Romero-Zerón L, Rodrigue D. Formulation of a Self-Assembling Polymeric Network System for Enhanced Oil Recovery Applications. ADVANCES IN POLYMER TECHNOLOGY 2014. [DOI: 10.1002/adv.21413] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Bing Wei
- Department of Chemical Engineering; University of New Brunswick; Fredericton E3B 5A3 Canada
| | - Laura Romero-Zerón
- Department of Chemical Engineering; University of New Brunswick; Fredericton E3B 5A3 Canada
| | - Denis Rodrigue
- Department of Chemical Engineering; Université Laval; Québec G1V 0A6 Canada
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Okubo T. Inclusional association as studied by the drying dissipative structure. Part 3. Drying pattern of aqueous mixtures of β-cyclodextrin and n-alkyltrimethylammonium bromide. Colloid Polym Sci 2013. [DOI: 10.1007/s00396-013-3009-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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16
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Huang N, Zhang Y, Zhao M, He P. Studies on the Preparation of Stable PSt Latex in the Presence of Cyclodextrins and a Small Amount of Surfactant. J DISPER SCI TECHNOL 2012. [DOI: 10.1080/01932691.2011.625235] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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17
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Wang D, Long P, Dong R, Hao J. Self-assembly in the mixtures of surfactant and dye molecule controlled via temperature and β-cyclodextrin recognition. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2012; 28:14155-14163. [PMID: 22988921 DOI: 10.1021/la3030028] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
A new ternary system of tetradecyldimethylamine oxide (C(14)DMAO)/4-phenylazo benzoic acid (AzoH)/H(2)O was first investigated, and it was found that the self-assembly can be regulated via temperature and β-cyclodextrin (β-CD) recognition. In the temperature regulated self-assembly, the self-assembled phase structural transition between wormlike micelles and multilamellar vesicles (onions) were determined by cryogenic-transmission electron microscopy (cryo-TEM) images and (2)H nuclear magnetic resonance ((2)H NMR) spectra. The phase structural transition temperatures (PSTT) controlled by changing the amount of AzoH were measured by differential scanning calorimetry analysis. The self-assembled phase structural transition mechanism was discussed. It is argued that the self-assembled phase structural transition is the synergetic balance among the hydrophilic headgroup, steric structures of the hydrophobic chain, and membrane charge. β-CD molecules were used as controlling hands to modulate the phase structural transition of self-assembly of the C(14)DMAO/AzoH/H(2)O system in solution via snatching C(14)DMAO molecules. The phase structural transitions from the threadlike micellar phase to the lamellar phase and from the lamellar phase to the vesicular phase can each be controlled because of the β-CD molecular recognition. The phase structural transitions were confirmed by cryo-TEM observations and (2)H NMR measurements. The rheological properties were also investigated to display the importance in the phase structural transition. It was found that the dye molecule, AzoH, is harder to enclose by β-CD than by C(14)DMAO because of the lower complex stability constant (i.e., K(C(14)DMAO@β-CD) ≫ K(AzoH@β-CD). Therefore, the phase structural transition is mainly controlled by the inclusion of C(14)DMAO into the hydrophobic cavity of β-CD molecules. The phase structural transition controlled via temperature and β-CD may find potential applications such as in actuators, shape memories, drug delivery systems, and drag-reducing fluids, etc.
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Affiliation(s)
- Dong Wang
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China
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18
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Cyclodextrin/Amphiphilic Phosphane Mixed Systems and their Applications in Aqueous Organometallic Catalysis. Adv Synth Catal 2012. [DOI: 10.1002/adsc.201100837] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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19
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Interaction of amphiphilic drug amitriptyline hydrochloride with β-cyclodextrin as studied by conductometry, surface tensiometry and viscometry. J Mol Liq 2012. [DOI: 10.1016/j.molliq.2012.01.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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20
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Vasilescu M, Pincu E, Meltzer V, Ionita G. Modulation of dansyl moiety fluorescence in systems containing cyclodextrins. NEW J CHEM 2012. [DOI: 10.1039/c2nj40174f] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Jiang L, Yan Y, Huang J. Versatility of cyclodextrins in self-assembly systems of amphiphiles. Adv Colloid Interface Sci 2011; 169:13-25. [PMID: 21839422 DOI: 10.1016/j.cis.2011.07.002] [Citation(s) in RCA: 130] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2011] [Revised: 07/14/2011] [Accepted: 07/16/2011] [Indexed: 11/25/2022]
Abstract
Recently, cyclodextrins (CDs) were found to play important yet complicated (or even apparently opposite sometimes) roles in self-assembly systems of amphiphiles or surfactants. Herein, we try to review and clarify the versatility of CDs in surfactant assembly systems by 1) classifying the roles played by CDs into two groups (modulator and building unit) and four subgroups (destructive and constructive modulators, amphiphilic and unamphiphilic building units), 2) comparing these subgroups, and 3) analyzing mechanisms. As a modulator, although CDs by themselves do not participate into the final surfactant aggregates, they can greatly affect the aggregates in two ways. In most cases CDs will destroy the aggregates by depleting surfactant molecules from the aggregates (destructive), or in certain cases CDs can promote the aggregates to grow by selectively removing the less-aggregatable surfactant molecules from the aggregates (constructive). As an amphiphilic building unit, CDs can be chemically (by chemical bonds) or physically (by host-guest interaction) attached to a hydrophobic moiety, and the resultant compounds act as classic amphiphiles. As an unamphiphilic building unit, CD/surfactant complexes or even CDs on their own can assemble into aggregates in an unconventional, unamphiphilic manner driven by CD-CD H-bonds. Moreover, special emphasis is put on two recently appeared aspects: the constructive modulator and unamphiphilic building unit.
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Dou Z, Xing H, Xiao J. Hydrogenated and Fluorinated Host–Guest Surfactants: Complexes of Cyclodextrins with Alkanes and Fluoroalkyl‐Grafted Alkanes. Chemistry 2011; 17:5373-80. [DOI: 10.1002/chem.201003443] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2010] [Indexed: 11/09/2022]
Affiliation(s)
- Zeng‐Pei Dou
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871 (P.R. China), Fax: (+86) 10‐62561871
| | - Hang Xing
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871 (P.R. China), Fax: (+86) 10‐62561871
- Beijing FLUOBON Surfactant Institute, Beijing 100080 (P.R. China)
| | - Jin‐Xin Xiao
- Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871 (P.R. China), Fax: (+86) 10‐62561871
- Beijing FLUOBON Surfactant Institute, Beijing 100080 (P.R. China)
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Yang Z, Li Y, Zhou H, Li Q, Gao L. Conductivity and Surface Tension Study for Cucurbit[7]uril Inclusion Complex of Cetyltrimethylammonium Chloride in Aqueous Solution. J DISPER SCI TECHNOL 2010. [DOI: 10.1080/01932690903223567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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25
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Cyclodextrins modify the properties of cationic polyacrylamides. J Colloid Interface Sci 2009; 339:325-9. [DOI: 10.1016/j.jcis.2009.08.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2009] [Revised: 08/04/2009] [Accepted: 08/05/2009] [Indexed: 11/17/2022]
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Bai Y, Xu GY, Sun HY, Yang XD, Hao AY, Pang JY, Gong HJ, Ao MQ. The surface property and aggregation behavior of a hydrophobically modified cyclodextrin. Colloid Polym Sci 2009. [DOI: 10.1007/s00396-009-2136-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Chen XM, Yang HY, He PS. Using PVP/SDS Complex as a Probe to Study the Inclusion Complex of -cyclodextrin with SDS in Aqueous Solution. CHINESE J CHEM PHYS 2009. [DOI: 10.1088/1674-0068/22/05/541-544] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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28
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Interactions and influence of α-cyclodextrin on the aggregation and interfacial properties of mixtures of nonionic and zwitterionic surfactants. Colloid Polym Sci 2009. [DOI: 10.1007/s00396-009-2086-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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29
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Bai Y, Xu GY, Xin X, Sun HY, Zhang HX, Hao AY, Yang XD, Yao L. Interaction between cetyltrimethylammonium bromide and β-cyclodextrin: surface tension and interfacial dilational viscoelasticity studies. Colloid Polym Sci 2008. [DOI: 10.1007/s00396-008-1918-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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30
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Mehta S, Bhasin K, Dham S, Singla M. Micellar behavior of aqueous solutions of dodecyldimethylethylammonium bromide, dodecyltrimethylammonium chloride and tetradecyltrimethylammonium chloride in the presence of α-, β-, HPβ- and γ-cyclodextrins. J Colloid Interface Sci 2008; 321:442-51. [DOI: 10.1016/j.jcis.2008.02.030] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2007] [Revised: 02/14/2008] [Accepted: 02/15/2008] [Indexed: 11/28/2022]
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Qu X, Sun D, Liu F, Wei X, Wang Z, Li G. Study on Inclusion Complexes of Cyclodextrin with Sodium Dodecyl Polyoxyethylenated Sulfonate Using Microcalorimetry and1H NMR. J DISPER SCI TECHNOL 2007. [DOI: 10.1080/01932690701345778] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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32
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Yan P, Tang J, Xiao J. Interaction between β‐Cyclodextrin and Mixed Cationic‐Anionic Surfactants (1): Thermodynamic Study. J DISPER SCI TECHNOL 2007. [DOI: 10.1080/01932690701282708] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Sehgal P, Sharma M, Wimmer R, Larsen KL, Otzen DE. Interactions between anionic mixed micelles and α-cyclodextrin and their inclusion complexes: conductivity, NMR and fluorescence study. Colloid Polym Sci 2006. [DOI: 10.1007/s00396-006-1466-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Khodagholi F, Yazdanparast R. Artificial chaperone-assisted refolding of GuHCl-denatured alpha-amylase at low temperature: refolding versus aggregation. Protein J 2006; 24:303-13. [PMID: 16284728 DOI: 10.1007/s10930-005-6751-y] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Refolding of GuHCl-denatured alpha-amylase was investigated using the artificial chaperone-assisted method. Three different cationic detergents (CTAB, TTAB and DTAB) and two nonionic detergents (Tween 80 and Triton X-100) were evaluated as the capturing reagents along with alpha- and beta-CD as the stripping agents. The refolding yields, at a final protein concentration of 0.15 mg/ml, were 82, 71 and 66% in the presence of beta-CD and CTAB, TTAB or DTAB, respectively. To improve the refolding yield and to suppress the extent of aggregation, the initial rate of the stripping step was slowed down by maintaining the refolding environment at 4 degrees C for about 3 min followed by raising the temperature to 25 degrees C. Under this thermal procedure, the refolding yield and the extent of aggregation were changed from 82 and 25% at 25 degrees C to 94 and 7% at 4 degrees C, respectively. These findings may assist the activity recovery of recombinant proteins at relatively high concentrations.
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Affiliation(s)
- Fariba Khodagholi
- Institute of Biochemistry and Biophysics, The University of Tehran, P.O. Box 13145-1384, Tehran, Iran
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Du X, Lu W, Ding N, Dai H, Teng X, Deng H. Spectral properties and supramolecular inclusion complexes of β-cyclodextrin with flexible amphiphilic and rigid compounds. J Photochem Photobiol A Chem 2006. [DOI: 10.1016/j.jphotochem.2005.05.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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36
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The effect of β-CD polymers structure on the efficiency of copper(II) ion flotation. J INCL PHENOM MACRO 2005. [DOI: 10.1007/s10847-005-9020-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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37
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Galant C, Wintgens V, Amiel C, Auvray L. A Reversible Polyelectrolyte Involving a β-Cyclodextrin Polymer and a Cationic Surfactant. Macromolecules 2005. [DOI: 10.1021/ma050377v] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Du X, Chen X, Lu W, Hou J. Spectroscopic study on binding behaviors of different structural nonionic surfactants to cyclodextrins. J Colloid Interface Sci 2004; 274:645-51. [PMID: 15144841 DOI: 10.1016/j.jcis.2004.01.068] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2002] [Accepted: 01/30/2004] [Indexed: 11/19/2022]
Abstract
The binding of polyethylene glycol (10) n-octylphenyl ether (OPE) and polyethylene glycol (10) tert-octylphenyl ether (Triton X-100, TX) to beta-cyclodextrin (beta-CD) and heptakis(2,3- beta-dimethyl)- beta-CD (DM- beta-CD) was described in detail by surface tension, steady-state fluorescence of OPE and TX, and phosphorescence of 1-bromonaphthalene (BN) probe. Surface tension and fluorescence measurements show that beta-CD entraps the hydrophobic moieties of OPE and TX to form inclusion complexes with the stoichiometry of 1:1. Unlike the n-octyl group of OPE, however, the tert-octyl group of TX fails to be encapsulated into the cavity of DM- beta-CD because of the steric hindrance of methyl groups at the rim of the cavity. The inclusion of the phenyl group of OPE and TX was demonstrated by dynamic quenching effect of iodide ion on fluorescence of OPE and TX in the presence of beta-CD. Static fluorescence quenching of OPE and TX by BN, phosphorescence of BN, and energy transfer between TX and BN provide additional evidence for the inclusion of their phenyl groups into the CD cavity. Analyses of molecular size suggest that the longer tert-octyl group of OPE is situated in curled manner in the cavity and the tert-octyl group of TX undergo a slight distortion for fit of beta-CD. Further introduction of the third guest component into the CD cavity occupied by OPE and TX will force the flexible octyl groups of OPE and TX to deform to a greater extent.
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Affiliation(s)
- Xinzhen Du
- Department of Chemistry, Chemistry and Chemical Engineering College, Northwest Normal University, Lanzhou 730070, PR China.
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Wiczk W, Mrozek J, Szabelski M, Karolczak J, Guzow K, Malicka J. Determination of stoichiometry and equilibrium constants of complexes of tyrosine with cyclodextrins by time-resolved fluorescence spectroscopy and global analysis of fluorescence decays. Chem Phys Lett 2001. [DOI: 10.1016/s0009-2614(01)00476-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Ahsan F, Arnold JJ, Meezan E, Pillion DJ. Mutual inhibition of the insulin absorption-enhancing properties of dodecylmaltoside and dimethyl-beta-cyclodextrin following nasal administration. Pharm Res 2001; 18:608-14. [PMID: 11465415 DOI: 10.1023/a:1011073008325] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
PURPOSE To determine if a nasal insulin formulation containing two distinct absorption-enhancing agents exhibits an additive or synergistic increase in the rate of systemic insulin absorption. METHODS The pharmacokinetics and pharmacodynamics of insulin absorption were measured in hyperglycemic anesthetized rats following nasal insulin administration with formulations containing two different types of absorption-promoting agents, dimethyl-beta-cyclodextrin (DMBCD) and dodecylmaltoside (DDM). RESULTS When either DDM (0.1-0.5%) or DMBCD (1.0-5.0%) was added to the nasal insulin formulation, a significant and rapid increase in plasma insulin levels was observed, with a concomitant decrease in blood glucose concentration. A combined preparation containing 0.25% DDM (0.005 M) and 2.5% DMBCD (0.019M), however, failed to cause an increase in plasma insulin levels or a decrease in blood glucose concentration. Increasing concentrations of DDM added to an insulin formulation with a fixed DMBCD concentration caused a decrease, rather than an increase, in systemic absorption of insulin. CONCLUSIONS Mixing DMBCD and DDM resulted in mutual inhibition of their ability to enhance systemic absorption of insulin following nasal delivery. The results are consistent with the formation of an inclusion complex between DDM and DMBCD which lacks the ability to enhance nasal insulin absorption.
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Affiliation(s)
- F Ahsan
- Department of Pharmacology and Toxicology, School of Medicine, University of Alabama at Birmingham, 35294-0019, USA
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Bakshi MS. Cationic Mixed Micelles in the Presence of beta-Cyclodextrin: A Host-Guest Study. J Colloid Interface Sci 2000; 227:78-83. [PMID: 10860597 DOI: 10.1006/jcis.2000.6866] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The conductances of trimethyltetradecylammonium bromide (TTAB)+triphenyltetradecylphosphonium bromide (TTPB) and TTAB+trimethylhexadecylammonium bromide (HTAB) over the entire mole fraction range of TTAB (alpha(TTAB)) were measured in water and in beta-cyclodextrin+water (CD+W) mixtures at fixed 4 and 8 mM of CD at 30 degrees C. The conductivity plots for both binary mixtures show a single break from which the mixed critical micelle concentration (cmc) and degree of micelle ionization (chi) were computed. From the slopes of the conductivity curves, the equivalent ionic conductivities of the monomeric (Lambda(m)), associated (Lambda(ass)), and the micelle (Lambda(mic)) states were calculated and discussed with respect to the surfactant-CD complexation in the whole mole fraction range of both surfactant binary mixtures. The association constant (K) between the respective monomeric surfactant and CD cavity of fixed 4 mM CD was computed by considering 1:1 association from the surface tension measurements. A comparison among the K values for HTAB-CD, TTAB-CD, and TTPB-CD shows that the former complexation is significantly stronger in comparison to the other ones due to the longer hydrophobic tail. The nonideality in mixed micelle formation in pure water was evaluated by using the regular solution theory, and it was observed that both binary mixtures exhibit close to ideal behavior. Copyright 2000 Academic Press.
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Affiliation(s)
- MS Bakshi
- Department of Chemistry, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
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Comparison of the Binding Constant of Decanesulfonate with β-Cyclodextrin as Determined by Liquid Chromatography with a Water Mobile Phase and Flow Injection Analysis Coupled with Dynamic Surface Tension Detection. Microchem J 1999. [DOI: 10.1006/mchj.1999.1720] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Angelova A, Ringard-Lefebvre C, Baszkin A. Drug-Cyclodextrin Association Constants Determined by Surface Tension and Surface Pressure Measurements. J Colloid Interface Sci 1999; 212:275-279. [PMID: 10092355 DOI: 10.1006/jcis.1999.6088] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The complexation reaction between the amphiphilic peptide antibiotic polymyxin B and naturally occurring cyclodextrins, used as potential drug carriers, was quantitatively evaluated from surface tension measurements at various drug concentrations. The association constant, Ka, of polymyxin B:beta-cyclodextrin inclusion complex formation of 1:1 stoichiometry was determined from the change in the drug interfacial activity upon the addition of beta-cyclodextrin at the excess solution concentration (10(-3) M). The obtained Ka value is discussed in terms of molecular matching of the host cyclodextrin cavity and the guest drug molecule. Copyright 1999 Academic Press.
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Affiliation(s)
- A Angelova
- URA CNRS 1218, Centre d'Etudes Pharmaceutiques, Université Paris-Sud, 5 rue J. B. Clément, Châtenay-Malabry, 92296, France
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