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Gudmundsson TA, Kuppadakkath G, Ghosh D, Ruether M, Seddon A, Ginesi RE, Doutch J, Adams DJ, Gunnlaugsson T, Damodaran KK. Nanoscale assembly of enantiomeric supramolecular gels driven by the nature of solvents. NANOSCALE 2024. [PMID: 38591601 DOI: 10.1039/d4nr00204k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
Understanding the key parameters that control the self-assembly process is critical to predict self-assembly modes in multi-component systems, which will lead to the development of nanofibrous materials with tuneable properties. Enantiomeric amino acid-based low-molecular-weight gelators (LMWGs) were mixed in polar (polar protic) and aromatic apolar (aromatic) solvents and compared to their individual counterparts to probe the effect of solvent polarity on the self-assembly process. Scanning electron microscopy (SEM) reveals that xerogels of individual components display hollow needles in polar protic solvents, while chiral coils are observed in aromatic solvents. In contrast, the multi-component gel displays hollow needle morphologies in both solvents, indicating similar morphologies in polar protic solvents but an entirely different nanostructure for the individual gel networks in aromatic solvents. PXRD experiments performed on the dried gels showed that the nature of the solvents plays a vital role in the co-assembly process of multi-component gels. The self-assembly modes and the gel state structure of the gels are analysed by wide-angle X-ray diffraction (WAXS) and small-angle neutron diffraction (SANS), which reveals that the mixed gel undergoes different co-assembly modes depending on the nature of the solvent systems. This study shows that different co-assembly modes can be achieved for structurally similar components by varying the solvent polarity, demonstrating the importance of solvent choice in the self-assembly process of multi-component gels.
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Affiliation(s)
- Tómas A Gudmundsson
- Department of Chemistry, Science Institute, University of Iceland, Dunhagi 3, 107 Reykjavík, Iceland.
- School of Chemistry and Trinity Biomedical Sciences Institute (TBSI) and Advanced Materials and BioEngineering Research (AMBER) Centre, Trinity College Dublin, The University of Dublin, Dublin 2, D02 PN40, Ireland
| | - Geethanjali Kuppadakkath
- Department of Chemistry, Science Institute, University of Iceland, Dunhagi 3, 107 Reykjavík, Iceland.
| | - Dipankar Ghosh
- Department of Chemistry, Science Institute, University of Iceland, Dunhagi 3, 107 Reykjavík, Iceland.
| | - Manuel Ruether
- School of Chemistry and Trinity Biomedical Sciences Institute (TBSI) and Advanced Materials and BioEngineering Research (AMBER) Centre, Trinity College Dublin, The University of Dublin, Dublin 2, D02 PN40, Ireland
| | - Annela Seddon
- School of Physics, HH Wills Physics Laboratory, Tyndall Avenue, University of Bristol, Bristol, BS8 1TL, UK
| | - Rebecca E Ginesi
- School of Chemistry, University of Glasgow, Glasgow, G12 8QQ, UK
| | - James Doutch
- ISIS Pulsed Neutron and Muon Source, Harwell Science and Innovation Campus, Didcot, OX11 0QX, UK
| | - Dave J Adams
- School of Chemistry, University of Glasgow, Glasgow, G12 8QQ, UK
| | - Thorfinnur Gunnlaugsson
- School of Chemistry and Trinity Biomedical Sciences Institute (TBSI) and Advanced Materials and BioEngineering Research (AMBER) Centre, Trinity College Dublin, The University of Dublin, Dublin 2, D02 PN40, Ireland
| | - Krishna K Damodaran
- Department of Chemistry, Science Institute, University of Iceland, Dunhagi 3, 107 Reykjavík, Iceland.
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Martínez-Orts M, Pujals S. Responsive Supramolecular Polymers for Diagnosis and Treatment. Int J Mol Sci 2024; 25:4077. [PMID: 38612886 PMCID: PMC11012635 DOI: 10.3390/ijms25074077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 04/02/2024] [Accepted: 04/03/2024] [Indexed: 04/14/2024] Open
Abstract
Stimuli-responsive supramolecular polymers are ordered nanosized materials that are held together by non-covalent interactions (hydrogen-bonding, metal-ligand coordination, π-stacking and, host-guest interactions) and can reversibly undergo self-assembly. Their non-covalent nature endows supramolecular polymers with the ability to respond to external stimuli (temperature, light, ultrasound, electric/magnetic field) or environmental changes (temperature, pH, redox potential, enzyme activity), making them attractive candidates for a variety of biomedical applications. To date, supramolecular research has largely evolved in the development of smart water-soluble self-assemblies with the aim of mimicking the biological function of natural supramolecular systems. Indeed, there is a wide variety of synthetic biomaterials formulated with responsiveness to control and trigger, or not to trigger, aqueous self-assembly. The design of responsive supramolecular polymers ranges from the use of hydrophobic cores (i.e., benzene-1,3,5-tricarboxamide) to the introduction of macrocyclic hosts (i.e., cyclodextrins). In this review, we summarize the most relevant advances achieved in the design of stimuli-responsive supramolecular systems used to control transport and release of both diagnosis agents and therapeutic drugs in order to prevent, diagnose, and treat human diseases.
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Affiliation(s)
| | - Silvia Pujals
- Department of Biological Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), 08034 Barcelona, Spain;
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Wang J, Lu T, Li Y, Wang J, Spruijt E. Aqueous coordination polymer complexes: From colloidal assemblies to bulk materials. Adv Colloid Interface Sci 2023; 318:102964. [PMID: 37515864 DOI: 10.1016/j.cis.2023.102964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 06/19/2023] [Accepted: 07/14/2023] [Indexed: 07/31/2023]
Abstract
1-dimensional (1D) coordination polymers refer to the macromolecules that have metal ions incorporated in their pendent groups or main chain through metal-binding ligand groups. They have intrinsic advantages over traditional polymers to regulate the polymer structures and functions owing to the nature of the metal-ligand bond. Consequently, they have great potential for the development of smart and functional structures and materials and therapeutic agents. Water-soluble 1D coordination polymers and assemblies are an important subtype of coordination polymers with distinctive interests for demanding applications in aqueous systems, such as biological and medical applications. This review highlights the recent progress and research achievements in the design and use of water-soluble 1D coordination polymers and assemblies. The overview covers the design and structure control of 1D coordination polymers, their colloidal assemblies, including nanoparticles, nanofibers, micelles and vesicles, and fabricated bulk materials such as membraneless liquid condensates, security ink, hydrogel actuators, and smart fabrics. Finally, we discuss the potential applications of several of these coordination polymeric structures and materials and give an outlook on the field of aqueous coordination polymers.
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Affiliation(s)
- Jiahua Wang
- Department of Radiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China; Radboud University, Institute for Molecules and Materials, Heyendaalseweg 135, 6525 AJ Nijmegen, the Netherlands
| | - Tiemei Lu
- Radboud University, Institute for Molecules and Materials, Heyendaalseweg 135, 6525 AJ Nijmegen, the Netherlands
| | - Yuehua Li
- Department of Radiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Junyou Wang
- State Key Laboratory of Chemical Engineering and Shanghai Key Laboratory of Multiphase Materials Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China.
| | - Evan Spruijt
- Radboud University, Institute for Molecules and Materials, Heyendaalseweg 135, 6525 AJ Nijmegen, the Netherlands.
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Wu B, Tong Y, Wang J, Qiu Y, Gao Y, Cohen Stuart MA, Wang J. Hierarchical self-assembly of metal-organic supramolecular fibers with lanthanide-derived functionalities. SOFT MATTER 2023; 19:2579-2587. [PMID: 36946212 DOI: 10.1039/d3sm00084b] [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
Achieving organized assembly structures with high complexity and adjustable functionalities is a central quest in supramolecular chemistry. In this report, we study what happens when a discotic benzene-1,3,5-tricarboxamide (BTA) ligand containing three dipicolinic acid (DPA) groups is allowed to coordinate with lanthanide (Ln) ions. A multi-BTA coordination cluster forms, which behaves as a type of "supramolecular monomer", stacking into fibers via hydrogen bonds enabled by multiple BTA cores. The fibrous morphology and size, as well as the packing unit and the process by which it grows, were investigated by light scattering measurements, luminescence spectra, TEM images and molecular simulation data. More notably, by selecting the kind of lanthanide or mixture of lanthanides that is incorporated, tunable luminescence and magnetic relaxation properties without compromising the fibrous structure can be realized. This case of hierarchical self-assembly is made possible by the special structure of our BTA-like building block, which makes non-covalent bond types that are different along the radial (coordination bonds) and axial (H-bonds) directions, respectively, each with just the right strength. Moreover, the use of lanthanide coordination leads to materials with metal-derived optical and magnetic properties. Therefore, the established approach demonstrates a novel strategy for designing and fabrication of multi-functional supramolecular materials.
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Affiliation(s)
- Bohang Wu
- East China University of Science and Technology, Department of Chemical Engineering, Meilong Road 130, 200237 Shanghai, China.
| | - Yutao Tong
- East China University of Science and Technology, Department of Chemical Engineering, Meilong Road 130, 200237 Shanghai, China.
| | - Jiahua Wang
- East China University of Science and Technology, Department of Chemical Engineering, Meilong Road 130, 200237 Shanghai, China.
| | - Yuening Qiu
- East China University of Science and Technology, Department of Chemical Engineering, Meilong Road 130, 200237 Shanghai, China.
| | - Yifan Gao
- East China University of Science and Technology, Department of Chemical Engineering, Meilong Road 130, 200237 Shanghai, China.
| | - Martien A Cohen Stuart
- East China University of Science and Technology, Department of Chemical Engineering, Meilong Road 130, 200237 Shanghai, China.
| | - Junyou Wang
- East China University of Science and Technology, Department of Chemical Engineering, Meilong Road 130, 200237 Shanghai, China.
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Coordination-induced self-assembly based carbon dot dendrimers as efficient signal labels for electrochemiluminescent immunosensor construction. Talanta 2023; 254:124101. [PMID: 36470015 DOI: 10.1016/j.talanta.2022.124101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 11/05/2022] [Accepted: 11/13/2022] [Indexed: 11/20/2022]
Abstract
In this work, an "on-off" electrochemiluminescent immunosensor for bone alkaline phosphatase (BALP) detection was constructed based on the carbon dot dendrimers (CD DRs) as signal labels and Pt nanoparticles functionalized Ni-phenolic coordination spheres (Pt@Ni-PCS) as quenching labels. The prepared CD DRs with low cytotoxicity were synthesized via coordination-induced self-assembly of carboxyl groups-rich N-doped carbon dots and zirconium oxygen clusters, of which the ECL efficiency was 2-fold enhancement than that of discrete N-doped carbon dots. Benefiting from the efficient quenching effect of Pt@Ni-PCS toward Zr-CD DRs/triethylamine-based ECL system, the prepared immunoassay for BALP detection exhibited a broad linear range with 1 pg/mL to 50 ng/mL and a low limit of detection of 24.9 fg/mL. Importantly, this highlights coordination-induced self-assembly as a tool for carbon dots enrichment to construct efficient ECL nanocomposites, which conceptualizes a pathway to expand the application of carbon dots in clinical ECL analysis technology.
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