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Kumar A, Singh R, Tyagi YK. Design, synthesis and self-assembly of amide-linked dendron-based non-ionic amphiphiles. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2022; 19:1167-1177. [DOI: 10.1007/s13738-021-02370-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Accepted: 08/03/2021] [Indexed: 06/15/2023]
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Guo Z, Bai G, Zhan X, Zhuo K, Wang J, Wang Y. Supramolecular Vector/Drug Coassemblies of Polyglycerol Dendrons and Rutin Enhance the pH Response. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:3392-3402. [PMID: 35266719 DOI: 10.1021/acs.langmuir.1c03131] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
A coassembly strategy for a supramolecular vector/drug was proposed with a biocompatible ternary dodecyl-bi(third-generation polyglycerol (PG) dendrons) (C12-(G3)2) amphiphile, dodecyl sulfobetaine (SB3-12) surfactant, and poorly water-soluble drug rutin. C12-(G3)2 and rutin will mutually enhance their pH response by protonation and deprotonation of dendritic PG and rutin's ionization as the pH changes from the acidic gastric lumen to the weakly alkaline intestine. SB3-12 may increase the payload and bring about sustained release for rutin by intermolecular interactions. Self-assembling behaviors of C12-(G3)2, SB3-12, sodium dodecyl sulfate (SDS), and dodecyl trimethylammonium bromide (DTAB) and their hybrids with rutin were characterized by UV-vis spectroscopy, a fluorescence probe, and 1H NMR. UV-vis and 1H NMR were used to identify the position and orientation of rutin in the vectors. The functions of the vector/drug were confirmed by measuring the solubility and in vitro release of rutin. The ternary coassembling vector/drug easily imparted functions of pH-responsive and sustained release without complex synthetic processes. The nanocaves framed by PG dendrons in the micelles provide pH-responsive compartments for rutin and SB3-12 in the supramolecular vector/drug anchors that accommodate rutin by weak interactions. The finely matched supramolecular vector/drug coassemblies exhibit the pH-responsive function for a potential application in the treatment of inflammatory bowel disease.
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Affiliation(s)
- Zhijun Guo
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
| | - Guangyue Bai
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
| | - Xize Zhan
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
| | - Kelei Zhuo
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
| | - Jianji Wang
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, P. R. China
| | - Yujie Wang
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, Henan 453003, P. R. China
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Narayanan T, Konovalov O. Synchrotron Scattering Methods for Nanomaterials and Soft Matter Research. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E752. [PMID: 32041363 PMCID: PMC7040635 DOI: 10.3390/ma13030752] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 01/29/2020] [Accepted: 01/31/2020] [Indexed: 12/17/2022]
Abstract
This article aims to provide an overview of broad range of applications of synchrotron scattering methods in the investigation of nanoscale materials. These scattering techniques allow the elucidation of the structure and dynamics of nanomaterials from sub-nm to micron size scales and down to sub-millisecond time ranges both in bulk and at interfaces. A major advantage of scattering methods is that they provide the ensemble averaged information under in situ and operando conditions. As a result, they are complementary to various imaging techniques which reveal more local information. Scattering methods are particularly suitable for probing buried structures that are difficult to image. Although, many qualitative features can be directly extracted from scattering data, derivation of detailed structural and dynamical information requires quantitative modeling. The fourth-generation synchrotron sources open new possibilities for investigating these complex systems by exploiting the enhanced brightness and coherence properties of X-rays.
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Shi D, Nguyen DV, Maaloum M, Gallani JL, Felder-Flesch D, Krafft MP. Interfacial Behavior of Oligo(Ethylene Glycol) Dendrons Spread Alone and in Combination with a Phospholipid as Langmuir Monolayers at the Air/Water Interface. Molecules 2019; 24:E4114. [PMID: 31739495 PMCID: PMC6891365 DOI: 10.3390/molecules24224114] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 11/09/2019] [Accepted: 11/11/2019] [Indexed: 01/11/2023] Open
Abstract
Dendrons consisting of two phosphonate functions and three oligo(ethylene glycol) (OEG) chains grafted on a central phenoxyethylcarbamoylphenoxy group were synthesized and investigated as Langmuir monolayers at the surface of water. The OEG chain in the para position was grafted with a t-Bu end-group, a hydrocarbon chain, or a partially fluorinated chain. These dendrons are models of structurally related OEG dendrons that were found to significantly improve the stability of aqueous dispersions of iron oxide nanoparticles when grafted on their surface. Compression isotherms showed that all OEG dendrons formed liquid-expanded Langmuir monolayers at large molecular areas. Further compression led to a transition ascribed to the solubilization of the OEG chains in the aqueous phase. Brewster angle microscopy (BAM) provided evidence that the dendrons fitted with hydrocarbon chains formed liquid-expanded monolayers throughout compression, whilst those fitted with fluorinated end-groups formed crystalline-like domains, even at large molecular areas. Dimyristoylphosphatidylcholine and dendron molecules were partially miscible in monolayers. The deviations to ideality were larger for the dendrons fitted with a fluorocarbon end-group chain than for those fitted with a hydrocarbon chain. Brewster angle microscopy and atomic force microscopy supported the view that the dendrons were ejected from the phospholipid monolayer during the OEG conformational transition and formed crystalline domains on the surface of the monolayer.
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Affiliation(s)
- Da Shi
- Institut Charles Sadron (CNRS), University of Strasbourg, 23 rue du Loess, 67034 Strasbourg CEDEX 2, France; (D.S.); (M.M.)
| | - Dinh-Vu Nguyen
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS, CNRS), University of Strasbourg, 23 rue du Loess. 67034 Strasbourg CEDEX 2, France; (D.-V.N.); (J.-L.G.); (D.F.-F.)
| | - Mounir Maaloum
- Institut Charles Sadron (CNRS), University of Strasbourg, 23 rue du Loess, 67034 Strasbourg CEDEX 2, France; (D.S.); (M.M.)
| | - Jean-Louis Gallani
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS, CNRS), University of Strasbourg, 23 rue du Loess. 67034 Strasbourg CEDEX 2, France; (D.-V.N.); (J.-L.G.); (D.F.-F.)
| | - Delphine Felder-Flesch
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS, CNRS), University of Strasbourg, 23 rue du Loess. 67034 Strasbourg CEDEX 2, France; (D.-V.N.); (J.-L.G.); (D.F.-F.)
| | - Marie Pierre Krafft
- Institut Charles Sadron (CNRS), University of Strasbourg, 23 rue du Loess, 67034 Strasbourg CEDEX 2, France; (D.S.); (M.M.)
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Kumar A, Tyagi S, Singh R, Tyagi YK. Synthesis, characterisation and self-assembly studies of dendron-based novel non-ionic amphiphiles. NEW J CHEM 2019. [DOI: 10.1039/c8nj05143g] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A novel series of dendron-based non-ionic amphiphiles that aggregate to form supramolecular structures have been designed and synthesized using biocompatible starting materials.
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Affiliation(s)
- Ashwani Kumar
- University School of Basic and Applied Sciences
- Guru Gobind Singh Indraprastha University
- Dwarka
- India
| | - Shvetambri Tyagi
- Bhaskarcharya College of Applied Sciences
- University of Delhi
- Dwarka
- India
| | - Ram Singh
- Department of Applied Chemistry
- Delhi Technological University
- Rohini
- India
| | - Yogesh K. Tyagi
- University School of Basic and Applied Sciences
- Guru Gobind Singh Indraprastha University
- Dwarka
- India
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de Souza KD, Perez KR, Durán N, Justo GZ, Caseli L. Interaction of violacein in models for cellular membranes: Regulation of the interaction by the lipid composition at the air-water interface. Colloids Surf B Biointerfaces 2017; 160:247-253. [DOI: 10.1016/j.colsurfb.2017.09.027] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 09/04/2017] [Accepted: 09/10/2017] [Indexed: 11/16/2022]
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Dib N, Reviglio AL, Fernández L, Morales G, Santo M, Otero L, Alustiza F, Liaudat AC, Bosch P, Calderón M, Martinelli M, Strumia M. Formation and characterization of Langmuir and Langmuir-Blodgett films of Newkome-type dendrons in presence and absence of a therapeutic compound, for the development of surface mediated drug delivery systems. J Colloid Interface Sci 2017; 496:243-253. [PMID: 28235718 DOI: 10.1016/j.jcis.2017.02.036] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Revised: 02/14/2017] [Accepted: 02/14/2017] [Indexed: 12/20/2022]
Abstract
Organic macromolecules with dendrimeric architectures are polymeric materials potentially useful as nanocarriers for therapeutic drugs. In this work, we evaluate a series of Newkome-type dendrons in Langmuir and Langmuir-Blodgett films as platforms capable of interacting with a potential antitumoral agent. The nanocomposite is proposed as model for the development of surface mediated drug delivery systems. We were successful in the formation and characterization of pure (dendrons) and composite (drug-dendron) stable and reproducible monolayers, and their transfer to solid substrates. A detailed study of topographic characteristics of the generated surfaces by atomic force microscopy was conducted. Furthermore, we probed dendron monolayer films as anchorage surfaces for mammalian cells. Normal cell attachment and proliferation on the surfaces were observed. No evident cytotoxic effects were detected, demonstrating the adequate biocompatibility of the surfaces.
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Affiliation(s)
- Nahir Dib
- Departamento de Física, Departamento de Química, Universidad Nacional de Río Cuarto, CONICET, Agencia Postal 3, X5804BYA Río Cuarto, Argentina
| | - Ana Lucia Reviglio
- Departamento de Física, Departamento de Química, Universidad Nacional de Río Cuarto, CONICET, Agencia Postal 3, X5804BYA Río Cuarto, Argentina
| | - Luciana Fernández
- Departamento de Física, Departamento de Química, Universidad Nacional de Río Cuarto, CONICET, Agencia Postal 3, X5804BYA Río Cuarto, Argentina
| | - Gustavo Morales
- Departamento de Física, Departamento de Química, Universidad Nacional de Río Cuarto, CONICET, Agencia Postal 3, X5804BYA Río Cuarto, Argentina
| | - Marisa Santo
- Departamento de Física, Departamento de Química, Universidad Nacional de Río Cuarto, CONICET, Agencia Postal 3, X5804BYA Río Cuarto, Argentina
| | - Luis Otero
- Departamento de Física, Departamento de Química, Universidad Nacional de Río Cuarto, CONICET, Agencia Postal 3, X5804BYA Río Cuarto, Argentina.
| | - Fabrisio Alustiza
- Departamento de Biología Molecular, Universidad Nacional de Río Cuarto, Agencia Postal 3, X5804BYA Río Cuarto, Argentina
| | - Ana Cecilia Liaudat
- Departamento de Biología Molecular, Universidad Nacional de Río Cuarto, Agencia Postal 3, X5804BYA Río Cuarto, Argentina
| | - Pablo Bosch
- Departamento de Biología Molecular, Universidad Nacional de Río Cuarto, Agencia Postal 3, X5804BYA Río Cuarto, Argentina
| | - Marcelo Calderón
- Institut für Chemie und Biochemie, Freie Universität Berlin, Takustrasse 3, 14195 Berlin, Germany
| | - Marisa Martinelli
- IPQA-CONICET, Departamento de Química Orgánica, Facultad Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre y Medina Allende, Edificio de Cs. II, Ciudad Universitaria, Córdoba 5000, Argentina
| | - Miriam Strumia
- IPQA-CONICET, Departamento de Química Orgánica, Facultad Ciencias Químicas, Universidad Nacional de Córdoba, Haya de la Torre y Medina Allende, Edificio de Cs. II, Ciudad Universitaria, Córdoba 5000, Argentina
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Trant JF, Jain N, Mazzuca DM, McIntosh JT, Fan B, Haeryfar SMM, Lecommandoux S, Gillies ER. Synthesis, self-assembly, and immunological activity of α-galactose-functionalized dendron-lipid amphiphiles. NANOSCALE 2016; 8:17694-17704. [PMID: 27714067 DOI: 10.1039/c6nr05030a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Nanoassemblies presenting multivalent displays of biologically active carbohydrates are of significant interest for a wide array of biomedical applications ranging from drug delivery to immunotherapy. In this study, glycodendron-lipid hybrids were developed as a new and tunable class of dendritic amphiphiles. A modular synthesis was used to prepare dendron-lipid hybrids comprising distearylglycerol and 0 through 4th generation polyester dendrons with peripheral protected amines. Following deprotection of the amines, an isothiocyanate derivative of C-linked α-galactose (α-Gal) was conjugated to the dendron peripheries, affording amphiphiles with 1 to 16 α-Gal moieties. Self-assembly in water through a solvent exchange process resulted in vesicles for the 0 through 2nd generation systems and micelles for the 3rd and 4th generation systems. The critical aggregation concentrations decreased with increasing dendron generation, suggesting that the effects of increasing molar mass dominated over the effects of increasing the hydrophilic weight fraction. The binding of the assemblies to Griffonia simplicifolia Lectin I (GSL 1), a protein with specificity for α-Gal was studied by quantifying the binding of fluorescently labeled assemblies to GSL 1-coated beads. It was found that binding was enhanced for amphiphiles containing higher generation dendrons. Despite their substantial structural differences with the natural ligands for the CD1d receptor, the glycodendron-lipid hybrids were capable of stimulating invariant natural killer T (iNKT) cells, a class of innate-like T cells that recognize lipid and glycolipid antigens presented by CD1d and that are implicated in a wide range of diseases and conditions including but not limited to infectious diseases, diabetes and cancer.
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Affiliation(s)
- John F Trant
- Department of Chemistry and Centre for Advanced Materials and Biomaterials Research, The University of Western Ontario, 1151 Richmond Street, London, Canada N6A 5B7.
| | - Namrata Jain
- Department of Chemistry and Centre for Advanced Materials and Biomaterials Research, The University of Western Ontario, 1151 Richmond Street, London, Canada N6A 5B7.
| | - Delfina M Mazzuca
- Department of Microbiology and Immunology, Department of Medicine, Centre for Human Immunology, Schulich School of Medicine and Dentistry, The University of Western Ontario, 1151 Richmond Street, London, Canada N6A 5C1
| | - James T McIntosh
- Department of Chemistry and Centre for Advanced Materials and Biomaterials Research, The University of Western Ontario, 1151 Richmond Street, London, Canada N6A 5B7.
| | - Bo Fan
- Department of Chemical and Biochemical Engineering, The University of Western Ontario, 1151 Richmond St., London, Canada N6A 5B9
| | - S M Mansour Haeryfar
- Department of Microbiology and Immunology, Department of Medicine, Centre for Human Immunology, Schulich School of Medicine and Dentistry, The University of Western Ontario, 1151 Richmond Street, London, Canada N6A 5C1
| | - Sebastien Lecommandoux
- Univ. Bordeaux, Bordeaux-INP ENSCBP, CNRS, Laboratoire de Chimie des Polymères Organique (LCPO), UMR 5629, 16 avenue Pey Berland, F-33600, Pessac, France
| | - Elizabeth R Gillies
- Department of Chemistry and Centre for Advanced Materials and Biomaterials Research, The University of Western Ontario, 1151 Richmond Street, London, Canada N6A 5B7. and Department of Chemical and Biochemical Engineering, The University of Western Ontario, 1151 Richmond St., London, Canada N6A 5B9
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