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Huang X, Li R, Duan Z, Xu F, Li H. Supramolecular polymer gels: from construction methods to functionality. SOFT MATTER 2022; 18:3828-3844. [PMID: 35506880 DOI: 10.1039/d2sm00352j] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Supramolecular polymer gels (SPGs) are precisely designed gels brought together by noncovalent interactions to form three-dimensional network structures of polymers. SPGs combine the merits of supramolecular polymers and gels, such as stimuli-responsiveness, self-healing, and self-adaptation, which endows SPGs with potential application value in the fields of biomaterials, etc. Recently, much effort has been made to design new SPGs and related materials with high performance. Herein, we review the research endeavor and future directions of SPGs depending on the construction methods, topological structures, stimuli-responsiveness, and functionality. We hope that the review will provide reference values for the researchers working in supramolecular chemistry and gels.
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Affiliation(s)
- Xiaohui Huang
- Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, School of Chemistry and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, P. R. China.
| | - Riqiang Li
- Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, School of Chemistry and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, P. R. China.
| | - Zhaozhao Duan
- Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, School of Chemistry and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, P. R. China.
| | - Fenfen Xu
- Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, School of Chemistry and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, P. R. China.
| | - Hui Li
- Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, School of Chemistry and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, P. R. China.
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2
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Abstract
Multicharged cyclodextrin (CD) supramolecular assemblies, including those based on positively/negatively charged modified mono-6-deoxy-CDs, per-6-deoxy-CDs, and random 2,3,6-deoxy-CDs, as well as parent CDs binding positively/negatively charged guests, have been extensively applied in chemistry, materials science, medicine, biological science, catalysis, and other fields. In this review, we primarily focus on summarizing the recent advances in positively/negatively charged CDs and parent CDs encapsulating positively/negatively charged guests, especially the construction process of supramolecular assemblies and their applications. Compared with uncharged CDs, multicharged CDs display remarkably high antiviral and antibacterial activity as well as efficient protein fibrosis inhibition. Meanwhile, charged CDs can interact with oppositely charged dyes, drugs, polymers, and biomacromolecules to achieve effective encapsulation and aggregation. Consequently, multicharged CD supramolecular assemblies show great advantages in improving drug-delivery efficiency, the luminescence properties of materials, molecular recognition and imaging, and the toughness of supramolecular hydrogels, in addition to enabling the construction of multistimuli-responsive assemblies. These features are anticipated to not only promote the development of CD-based supramolecular chemistry but also contribute to the rapid exploitation of these assemblies in diverse interdisciplinary applications.
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Affiliation(s)
- Zhixue Liu
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China.
| | - Yu Liu
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, P. R. China. .,Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300192, China
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3
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A β-cyclodextrin/graphene oxide hybrid gel with smart responsiveness. J INCL PHENOM MACRO 2021. [DOI: 10.1007/s10847-021-01106-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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4
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Li B, Song Z, Zhu K, Niu Q, Li Z, Li H. Multistimuli-Responsive Lanthanide-Containing Smart Luminescent Hydrogel Actuator. ACS APPLIED MATERIALS & INTERFACES 2021; 13:20633-20640. [PMID: 33881291 DOI: 10.1021/acsami.1c02589] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Stimuli-responsive hydrogels are flourishing; however, a multiresponsive luminescent hydrogel actuator in which the stimuli do not interfere with each other is still difficult to produce. Here, a smart luminescent bilayer hydrogel actuator with shape memory and reversible luminescence switch behaviors under the co-stimulation of pH and heating is reported. Under alkaline condition, chitosan-containing layer generates physical microcrystals to fix the temporary shape of the actuator while lanthanide emits bright luminescence. Upon acid treatment, the actuator recovers to its original shape and the luminescence is quenched since the "antenna effect" between organic ligand and lanthanide ions is disrupted. It is to be noticed that this multiresponsive cycle can be repeated several times without interfering each other. This work is expected to have potential application prospects in the fields of biomimetic soft robots, sensors, and camouflage.
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Affiliation(s)
- Bin Li
- National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Guangrong Dao 8, Hongqiao District, Tianjin 300130, P. R. China
| | - Zhihua Song
- School of Pharmacy, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Key Laboratory of Molecular Pharmacology and Drug Evaluation (Yantai University), Ministry of Education, Yantai University, Yantai 264005, P. R. China
| | - Kongyi Zhu
- Inner Mongolia Yitai Petrochemical Co. LTD, Erdos 017000, P. R. China
| | - Qingyu Niu
- National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Guangrong Dao 8, Hongqiao District, Tianjin 300130, P. R. China
| | - Zhiqiang Li
- National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Guangrong Dao 8, Hongqiao District, Tianjin 300130, P. R. China
| | - Huanrong Li
- National-Local Joint Engineering Laboratory for Energy Conservation in Chemical Process Integration and Resources Utilization, Tianjin Key Laboratory of Chemical Process Safety, School of Chemical Engineering and Technology, Hebei University of Technology, Guangrong Dao 8, Hongqiao District, Tianjin 300130, P. R. China
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Wang Z, Craig GA, Legrand A, Haase F, Minami S, Urayama K, Furukawa S. Porous Colloidal Hydrogels Formed by Coordination-Driven Self-Assembly of Charged Metal-Organic Polyhedra. Chem Asian J 2021; 16:1092-1100. [PMID: 33660942 DOI: 10.1002/asia.202100080] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 03/02/2021] [Indexed: 12/13/2022]
Abstract
Introduction of porosity into supramolecular gels endows soft materials with functionalities for molecular encapsulation, release, separation and conversion. Metal-organic polyhedra (MOPs), discrete coordination cages containing an internal cavity, have recently been employed as building blocks to construct polymeric gel networks with potential porosity. However, most of the materials can only be synthesized in organic solvents, and the examples of porous, MOP-based hydrogels are scarce. Here, we demonstrate the fabrication of porous hydrogels based on [Rh2 (OH-bdc)2 ]12 , a rhodium-based MOP containing hydroxyl groups on its periphery (OH-bdc=5-hydroxy-1,3-benzenedicarboxylate). By simply deprotonating [Rh2 (OH-bdc)2 ]12 with the base NaOH, the supramolecular polymerization between MOPs and organic linkers can be induced in the aqueous solution, leading to the kinetically controllable formation of hydrogels with hierarchical colloidal networks. When heating the deprotonated MOP, Nax [Rh24 (O-bdc)x (OH-bdc)24-x ], to induce gelation, the MOP was found to partially decompose, affecting the mechanical property of the resulting gels. By applying a post-synthetic deprotonation strategy, we show that the deprotonation degree of the MOP can be altered after the gel formation without serious decomposition of the MOPs. Gas sorption measurements confirmed the permanent porosity of the corresponding aerogels obtained from these MOP-based hydrogels, showing potentials for applications in gas sorption and catalysis.
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Affiliation(s)
- Zaoming Wang
- Institute for Integrated Cell-Material Science (WPI-iCeMS), Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan.,Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto, 615-8510, Japan
| | - Gavin A Craig
- Institute for Integrated Cell-Material Science (WPI-iCeMS), Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan
| | - Alexandre Legrand
- Institute for Integrated Cell-Material Science (WPI-iCeMS), Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan
| | - Frederik Haase
- Institute for Integrated Cell-Material Science (WPI-iCeMS), Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan
| | - Saori Minami
- Department of Macromolecular Science and Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto, 606-8585, Japan
| | - Kenji Urayama
- Department of Macromolecular Science and Engineering, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto, 606-8585, Japan
| | - Shuhei Furukawa
- Institute for Integrated Cell-Material Science (WPI-iCeMS), Kyoto University, Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan.,Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto, 615-8510, Japan
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6
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Tsutsumi N, Ito A, Ishigamori A, Ikeda M, Izumi M, Ochi R. Synthesis and Self-Assembly Properties of Bola-Amphiphilic Glycosylated Lipopeptide-Type Supramolecular Hydrogels Showing Colour Changes Along with Gel-Sol Transition. Int J Mol Sci 2021; 22:1860. [PMID: 33668410 PMCID: PMC7917936 DOI: 10.3390/ijms22041860] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 02/01/2021] [Accepted: 02/09/2021] [Indexed: 12/28/2022] Open
Abstract
Supramolecular hydrogels formed by self-assembly of low-molecular-weight amphiphiles (hydrogelators) have attracted significant attention, as smart and soft materials. However, most of the observed stimuli-responsive behaviour of these supramolecular hydrogels are limited to gel-sol transitions. In this study, we present bola-amphiphilic glycosylated lipopeptide-type supramolecular hydrogelators that exhibit reversible thermochromism along with a gel-sol transition. The bola-amphiphiles have mono-, di-, tri- or tetra-phenylalanine (F) as a short peptide moiety. We investigate and discuss the effects of the number of F residues on the gelation ability and the morphology of the self-assembled nanostructures.
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Affiliation(s)
- Naoki Tsutsumi
- Graduate School of Integrated Arts and Sciences, Kochi University, 2-5-1, Akebono-cho, Kochi 780-8520, Japan; (N.T.); (M.I.)
| | - Akitaka Ito
- School of Environmental Science and Engineering, Kochi University of Technology, Kami, Kochi 782-8502, Japan;
- Research Center for Molecular Design, Kochi University of Technology, Kami, Kochi 782-8502, Japan
| | - Azumi Ishigamori
- Faculty of Science, Kochi University, 2-5-1, Akebono-cho, Kochi 780-8520, Japan;
| | - Masato Ikeda
- Department of Chemistry and Biomolecular Science, Faculty of Engineering, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan;
- United Graduate School of Drug Discovery and Medical Information Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Masayuki Izumi
- Graduate School of Integrated Arts and Sciences, Kochi University, 2-5-1, Akebono-cho, Kochi 780-8520, Japan; (N.T.); (M.I.)
- Faculty of Science, Kochi University, 2-5-1, Akebono-cho, Kochi 780-8520, Japan;
- Interdisciplinary Science Unit, Multidisciplinary Sciences Cluster, Research and Education Faculty, Kochi University, 2-5-1, Akebono-cho, Kochi 780-8520, Japan
- Faculty of Science and Technology, Kochi University, 2-5-1, Akebono-cho, Kochi 780-8520, Japan
| | - Rika Ochi
- Graduate School of Integrated Arts and Sciences, Kochi University, 2-5-1, Akebono-cho, Kochi 780-8520, Japan; (N.T.); (M.I.)
- Faculty of Science, Kochi University, 2-5-1, Akebono-cho, Kochi 780-8520, Japan;
- Interdisciplinary Science Unit, Multidisciplinary Sciences Cluster, Research and Education Faculty, Kochi University, 2-5-1, Akebono-cho, Kochi 780-8520, Japan
- Faculty of Science and Technology, Kochi University, 2-5-1, Akebono-cho, Kochi 780-8520, Japan
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7
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Zhao YY, Li H, Ge QM, Cong H, Liu M, Tao Z, Zhao JL. A chemo-sensor constructed by nanohybrid of multifarene[3,3] and rGO for serotonin hydrochloride with dual response in both fluorescence and voltammetry. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105145] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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8
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Oosumi R, Ikeda M, Ito A, Izumi M, Ochi R. Structural diversification of bola-amphiphilic glycolipid-type supramolecular hydrogelators exhibiting colour changes along with the gel-sol transition. SOFT MATTER 2020; 16:7274-7278. [PMID: 32658225 DOI: 10.1039/d0sm01068e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
We diversified the structures of bola-amphiphilic glycolipid-type supramolecular hydrogelators that exhibited reversible thermochromism along with a gel-sol transition. The hydrogelators were designed and synthesized to have homo- or hetero-saccharides on each end of their molecules. Herein, the effects of the saccharides' structure on the gelation ability are discussed.
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Affiliation(s)
- Ryoya Oosumi
- Faculty of Science, Kochi University, 2-5-1, Akebono-cho, Kochi 780-8520, Japan.
| | - Masato Ikeda
- Department of Life Science and Chemistry, Graduate School of Natural Science and Technology, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan and United Graduate School of Drug Discovery and Medical Information Sciences, Gifu University, 1-1 Yanagido, Gifu 501-1193, Japan
| | - Akitaka Ito
- School of Environmental Science and Engineering, Kochi University of Technology, Kami, Kochi 782-8502, Japan and Research Center for Molecular Design, Kochi University of Technology, Kami, Kochi 782-8502, Japan
| | - Masayuki Izumi
- Faculty of Science, Kochi University, 2-5-1, Akebono-cho, Kochi 780-8520, Japan. and Research and Education Faculty, Multidisciplinary Science Cluster, Interdisciplinary Science Unit, Kochi University, 2-5-1, Akebono-cho, Kochi 780-8520, Japan
| | - Rika Ochi
- Faculty of Science, Kochi University, 2-5-1, Akebono-cho, Kochi 780-8520, Japan. and Research and Education Faculty, Multidisciplinary Science Cluster, Interdisciplinary Science Unit, Kochi University, 2-5-1, Akebono-cho, Kochi 780-8520, Japan
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9
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10
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Zhao YY, Yang JM, Jin XY, Cong H, Ge QM, Liu M, Tao Z. Recent Development of Supramolecular Sensors Constructed by Hybridization of Organic Macrocycles with Nanomaterials. CURR ORG CHEM 2020. [DOI: 10.2174/1385272824666200214110110] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Macrocyclic compounds have attracted tremendous attention for their superior
performance in supramolecular recognition, catalysis, and host-guest interaction. With
these admirable properties, macrocyclic compounds were used as modifiers for enhancing
the sensitivity and selectivity of electrodes and optical sensors. The classic macrocyclic
compounds, including crown ethers, cyclodextrins, calixarenes, cucurbiturils, and pillararenes,
were employed as receptors for electrochemical and optical sensors to develop
new analytical methods with the wilder detection range, lower detection limit, and better
tolerance of interference. Macrocyclic molecules functionalized with nanomaterials, the
small entities with dimensions in the nanoscale, realized the versatility and diversification
of the nano-hybrid materials, which improved the capabilities of recognition and response
with the combining characteristics of two components. Herein, this review focused on the development in the
research field of hybridization of organic macrocycles with nanoparticles and their applications for chemosensors,
aiming at both existing researchers in the field and who would like to enter into the research.
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Affiliation(s)
- Yong-Yi Zhao
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China
| | - Jian-Mei Yang
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China
| | - Xian-Yi Jin
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China
| | - Hang Cong
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China
| | - Qing-Mei Ge
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China
| | - Mao Liu
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China
| | - Zhu Tao
- Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang 550025, China
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Ma M, Feng Z, Zhao M, Du Z, Li Z, Chen W, Wang X, Xing P, Hao A. Fabrication of macrocyclic organogel utilizing solvent balance and its application in vascular supporting materials. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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13
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Li M, Bae J. Tunable swelling and deswelling of temperature- and light-responsive graphene oxide-poly( N-isopropylacrylamide) composite hydrogels. Polym Chem 2020. [DOI: 10.1039/c9py01934k] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Swelling and deswelling behaviors of graphene oxide-poly(N-isopropylacrylamide) composite hydrogels can be tuned by the concentrations of a chemical crosslinker and graphene oxide, and the rate of the external temperature change.
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Affiliation(s)
- Minghao Li
- Materials Science and Engineering Program
- University of California San Diego
- La Jolla
- USA
| | - Jinhye Bae
- Materials Science and Engineering Program
- University of California San Diego
- La Jolla
- USA
- Department of NanoEngineering
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Wu W, Dai Y, Liu H, Cheng R, Ni Q, Ye T, Cui W. Local release of gemcitabine via in situ UV-crosslinked lipid-strengthened hydrogel for inhibiting osteosarcoma. Drug Deliv 2019; 25:1642-1651. [PMID: 30799654 PMCID: PMC6116704 DOI: 10.1080/10717544.2018.1497105] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Osteosarcoma is among the most common malignant bone tumors in human skeletal system. The conventional treatment of osteosarcoma mainly consists of combining neoadjuvant chemotherapy with surgical approach. However, it is crucial to design an artificial implant that possesses excellent biomechanical properties and is capable of sustaining local release of chemotherapeutics. In this study, we envision that the highly efficient combination of gemcitabine (GEM) hydrochloride loaded liposomes with gelatin methacryloyl (GelMA) of in situ photocrosslinkable hydrogel will lead to a multifunctional implant with unique antitumor, mechanical, and biodegradable properties. A sustained controlled release was observed; more specifically, the release of GEM in vitro lasted for 4 days long. Furthermore, its capability in killing MG63 cells was further explored by using the lixivium of GEM-Lip@Gel and GEM-GelMA hydrogel in vitro (composite hydrogel by GEM loaded liposomes blending with GelMA, short for GEM-Lip@Gel), which agreed with the drug release outcome. In addition, these hydrogel showed excellent ability in inhibiting osteosarcoma in vivo by Balb/c mice bearing MG63 cells. Therefore, GEM-loaded lipo-hydrogel certainly has presented itself as a promising strategy for the development of implant in the field of osteosarcoma treatment.
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Affiliation(s)
- Wei Wu
- a Department of General Surgery , The Affiliated Hospital of Yangzhou University, Yangzhou University , Yangzhou , P. R. China
| | - Yong Dai
- a Department of General Surgery , The Affiliated Hospital of Yangzhou University, Yangzhou University , Yangzhou , P. R. China
| | - Han Liu
- b Shanghai Institute of Traumatology and Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases , Department of Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine , Shanghai , P. R. China
| | - Ruoyu Cheng
- b Shanghai Institute of Traumatology and Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases , Department of Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine , Shanghai , P. R. China
| | - Qing Ni
- a Department of General Surgery , The Affiliated Hospital of Yangzhou University, Yangzhou University , Yangzhou , P. R. China
| | - Tingjun Ye
- b Shanghai Institute of Traumatology and Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases , Department of Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine , Shanghai , P. R. China
| | - Wenguo Cui
- a Department of General Surgery , The Affiliated Hospital of Yangzhou University, Yangzhou University , Yangzhou , P. R. China.,b Shanghai Institute of Traumatology and Orthopaedics, Shanghai Key Laboratory for Prevention and Treatment of Bone and Joint Diseases , Department of Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine , Shanghai , P. R. China
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Saunders L, Ma PX. Self-Healing Supramolecular Hydrogels for Tissue Engineering Applications. Macromol Biosci 2019; 19:e1800313. [PMID: 30565872 PMCID: PMC6486376 DOI: 10.1002/mabi.201800313] [Citation(s) in RCA: 128] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 10/03/2018] [Indexed: 12/19/2022]
Abstract
Self-healing supramolecular hydrogels have emerged as a novel class of biomaterials that combine hydrogels with supramolecular chemistry to develop highly functional biomaterials with advantages including native tissue mimicry, biocompatibility, and injectability. These properties are endowed by the reversibly cross-linked polymer network of the hydrogel. These hydrogels have great potential for realizing yet to be clinically translated tissue engineering therapies. This review presents methods of self-healing supramolecular hydrogel formation and their uses in tissue engineering as well as future perspectives.
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Affiliation(s)
- Laura Saunders
- Macromolecular Science and Engineering Center, University of Michigan, Ann Arbor, MI, USA
| | - Peter X. Ma
- Macromolecular Science and Engineering Center, University of Michigan, Ann Arbor, MI, USA, Biologic and Materials Science, University of Michigan, Ann Arbor, MI, USA, Biomedical Engineering, University of Michigan, Ann Arbor, MI, USA, Materials Science and Engineering, University of Michigan, Ann Arbor, MI, USA,
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Hoque J, Sangaj N, Varghese S. Stimuli-Responsive Supramolecular Hydrogels and Their Applications in Regenerative Medicine. Macromol Biosci 2019; 19:e1800259. [PMID: 30295012 PMCID: PMC6333493 DOI: 10.1002/mabi.201800259] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 09/10/2018] [Indexed: 12/16/2022]
Abstract
Supramolecular hydrogels are a class of self-assembled network structures formed via non-covalent interactions of the hydrogelators. These hydrogels capable of responding to external stimuli are considered to be smart materials due to their ability to undergo sol-gel and/or gel-sol transition upon subtle changes in their surroundings. Such stimuli-responsive hydrogels are intriguing biomaterials with applications in tissue engineering, delivery of cells and drugs, modulating tissue environment to promote innate tissue repair, and imaging for medical diagnostics among others. This review summarizes the recent developments in stimuli-responsive supramolecular hydrogels and their potential applications in regenerative medicine. Specifically, various structural aspects of supramolecular hydrogelators involved in self-assembly, the role of external stimuli in tuning/controlling their phase transitions, and how these functions could be harnessed to advance applications in regenerative medicine are focused on. Finally, the key challenges and future prospects for these versatile materials are briefly described.
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Affiliation(s)
- Jiaul Hoque
- Department of Orthopaedic Surgery, Duke University, Durham 27710, NC,
| | - Nivedita Sangaj
- Department of Orthopaedic Surgery, Duke University, Durham 27710, NC
| | - Shyni Varghese
- Department of Orthopaedic Surgery, Department of Biomedical Engineering, Department of Mechanical Engineering and Materials Science, Duke University, Durham 27710, NC
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17
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Krishnan SB, Krishnan R, Gopidas KR. Effect ofN-Alkyl Substituents on the Hierarchical Self-Assembly of β-Cyclodextrin-Linked Pyrene-Pyromellitic Diimide Charge-Transfer Complexes. Chemistry 2018; 24:11451-11460. [DOI: 10.1002/chem.201802090] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Indexed: 01/15/2023]
Affiliation(s)
- Sumesh Babu Krishnan
- Photosciences and Photonics Section; Chemical Sciences and Technology Division; CSIR-National Institute for Interdisciplinary Science and Technology; Trivandrum 695 019 India
- Academy of Scientific and Innovative Research (AcSIR); New Delhi 110001 India
| | - Retheesh Krishnan
- Photosciences and Photonics Section; Chemical Sciences and Technology Division; CSIR-National Institute for Interdisciplinary Science and Technology; Trivandrum 695 019 India
- Present address: Department of Chemistry; Government College for Women; Trivandrum 695014 India
| | - Karical Raman Gopidas
- Photosciences and Photonics Section; Chemical Sciences and Technology Division; CSIR-National Institute for Interdisciplinary Science and Technology; Trivandrum 695 019 India
- Academy of Scientific and Innovative Research (AcSIR); New Delhi 110001 India
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19
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Zhu S, Gao H, Babu S, Garad S. Co-Amorphous Formation of High-Dose Zwitterionic Compounds with Amino Acids To Improve Solubility and Enable Parenteral Delivery. Mol Pharm 2017; 15:97-107. [PMID: 29164901 DOI: 10.1021/acs.molpharmaceut.7b00738] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Solubilization of parenteral drugs is a high unmet need in both preclinical and clinical drug development. Recently, co-amorphous drug formulation has emerged as a new strategy to solubilize orally dosed drugs. The aim of the present study is to explore the feasibility of using the co-amorphous strategy to enable the dosing of parenteral zwitterionic drugs at a high concentration. A new screening procedure was established with solubility as the indicator for co-amorphous co-former selection, and lyophilization was established as the method for co-amorphous formulation preparation. Various amino acids were screened, and tryptophan was found to be the most powerful in improving the solubility of ofloxacin when lyophilized with ofloxacin at a 1:1 weight ratio, with more than 10 times solubility increase. X-ray powder diffraction showed complete amorphization of both components, and an elevated Tg compared with the theoretical value was observed in differential scanning calorimetry. Fourier transform infrared spectroscopy revealed that hydrogen bonding and π-π stacking were possibly involved in the formation of a co-amorphous system in the solid state. Further solution-state characterization revealed the involvement of ionic interactions and π-π stacking in maintaining a high concentration of ofloxacin in solution. Furthermore, co-amorphous ofloxacin/tryptophan at 1:1 weight ratio was both physically and chemically stable for at least 2 months at 40 °C/75% RH. Lastly, the same screening procedure was validated with two more zwitterionic compounds, showing its promise as a routine screening methodology to solubilize and enable the parenteral delivery of zwitterionic compounds.
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Affiliation(s)
- Saijie Zhu
- Chemical and Pharmaceutical Profiling, Technical Research and Development, China Novartis Institutes for Biomedical Research Co., Ltd , Shanghai 201203, China
| | - Huisheng Gao
- Chemical and Pharmaceutical Profiling, Technical Research and Development, China Novartis Institutes for Biomedical Research Co., Ltd , Shanghai 201203, China
| | - Sreehari Babu
- Chemical and Pharmaceutical Profiling, Technical Research and Development, China Novartis Institutes for Biomedical Research Co., Ltd , Shanghai 201203, China
| | - Sudhakar Garad
- Chemical and Pharmaceutical Profiling, Technical Research and Development, Novartis Pharmaceuticals , Cambridge, Massachusetts 02139, United States
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20
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Pepe A, Podesva P, Simone G. Tunable uptake/release mechanism of protein microgel particles in biomimicking environment. Sci Rep 2017; 7:6014. [PMID: 28729713 PMCID: PMC5519546 DOI: 10.1038/s41598-017-06512-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Accepted: 06/13/2017] [Indexed: 11/15/2022] Open
Abstract
Microgels are intra-molecular crosslinked macromolecules that can be used as vehicles to deliver and release drugs at the point-of-need in the patient’s body. Here, gelatin microgels were formed from microfluidics droplets, stabilised by aldehydes and frozen into a spheroidal shape. Microgel morphology and response to external stimuli were characterised. It was found that the behaviour of the spheroidal microgels was sensitive to both pH and ionic strength and that the distribution of charges into the microgels affected the behaviour of swelling and uptake. The uptake of molecules such as Rhodamine B and Methylene Blue were investigated as a model for drug uptake/release mechanisms. Under physiological conditions, the uptake of Rhodamine was rapid and a uniform distribution of the fluorescent molecules was recorded inside the microgels. However, the mechanism of release became slower at lower pH, which mimics the stomach environment. Under physiological conditions, Methylene Blue release occurred faster than for Rhodamine. Anionic and neutral molecules were also tested. In conclusion, the dependence of uptake and release of model drugs on basic/acid conditions shows that microgels could be used for targeted drug delivery. Different shaped microgels, such as spheres, spheroids, and rods, could be useful in tissue engineering or during vascularisation.
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Affiliation(s)
- A Pepe
- University of Naples, Federico II, 80 Piazzale Tecchio, 80125, Naples, Italy
| | - P Podesva
- Northwestern Polytechnical University, 127 West Youyi Road, Xi'an Shaanxi, 710072, P.R. China
| | - G Simone
- Northwestern Polytechnical University, 127 West Youyi Road, Xi'an Shaanxi, 710072, P.R. China. .,University of Naples, Federico II, 80 Piazzale Tecchio, 80125, Naples, Italy.
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Wang X, Wang J, Yang Y, Yang F, Wu D. Fabrication of multi-stimuli responsive supramolecular hydrogels based on host–guest inclusion complexation of a tadpole-shaped cyclodextrin derivative with the azobenzene dimer. Polym Chem 2017. [DOI: 10.1039/c7py00698e] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Multi-responsive supramolecular hydrogels, based on host–guest complexation of tadpole-shaped cyclodextrin with the azobenzene dimer, possess reversible sol–gel transition behaviors and better biocompatibility.
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Affiliation(s)
- Xing Wang
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory of Polymer Physics & Chemistry
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Juan Wang
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory of Polymer Physics & Chemistry
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Yanyu Yang
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory of Polymer Physics & Chemistry
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Fei Yang
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory of Polymer Physics & Chemistry
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
| | - Decheng Wu
- Beijing National Laboratory for Molecular Sciences
- State Key Laboratory of Polymer Physics & Chemistry
- Institute of Chemistry
- Chinese Academy of Sciences
- Beijing 100190
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Karoyo AH, Wilson LD. Physicochemical Properties and the Gelation Process of Supramolecular Hydrogels: A Review. Gels 2017; 3:E1. [PMID: 30920498 PMCID: PMC6318668 DOI: 10.3390/gels3010001] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Revised: 12/01/2016] [Accepted: 12/02/2016] [Indexed: 12/29/2022] Open
Abstract
Supramolecular polysaccharide-based hydrogels have attracted considerable research interest recently due to their high structural functionality, low toxicity, and potential applications in foods, cosmetics, catalysis, drug delivery, tissue engineering and the environment. Modulation of the stability of hydrogels is of paramount importance, especially in the case of stimuli-responsive systems. This review will update the recent progress related to the rational design of supramolecular hydrogels with the objective of understanding the gelation process and improving their physical gelation properties for tailored applications. Emphasis will be given to supramolecular host⁻guest systems with reference to conventional gels in describing general aspects of gel formation. A brief account of the structural characterization of various supramolecular hydrogels is also provided in order to gain a better understanding of the design of such materials relevant to the nature of the intermolecular interactions, thermodynamic properties of the gelation process, and the critical concentration values of the precursors and the solvent components. This mini-review contributes to greater knowledge of the rational design of supramolecular hydrogels with tailored applications in diverse fields ranging from the environment to biomedicine.
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Affiliation(s)
- Abdalla H Karoyo
- Department of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, SK S7N 5C9, Canada.
| | - Lee D Wilson
- Department of Chemistry, University of Saskatchewan, 110 Science Place, Saskatoon, SK S7N 5C9, Canada.
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Karim AA, Loh XJ. Towards Cyclodextrin-Based Supramolecular Materials. POLYMERS FOR PERSONAL CARE PRODUCTS AND COSMETICS 2016. [DOI: 10.1039/9781782623984-00154] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Inclusion complexation between cyclodextrins (CDs) and various guests has been extensively investigated in supramolecular chemistry. Besides CDs, there are several important macrocyclic host families, such as crown ethers and cucurbiturils. Until now, the contribution of these other families to macromolecular self-assembly has been small compared to CDs. This chapter will focus on CDs as hosts for interaction with guest monomers to form hydrogels. CD interactions with other monomers were made possible depending on proper molecular recognition. Macroscopic molecular recognition can be categorized by three types of interactions: main chain (polyrotaxane), side chain, and sequential complexes. Utilizing CD as host molecule, polymers such as polyethers, cationic polymers, polyamines, polyesters, π-conjugated polymers, polyolefins, polyamides, polyurethanes, and inorganic polymers could interact to form inclusion complexes. This chapter will attempt to discuss these studies. Depending on the functional groups attached to the polymeric component, supramolecular formation can be altered based on the stimuli response. Introducing polymer side chains or groups that respond selectively towards external stimuli could affect the hydrogel formation. This chapter also discusses the stimuli response of such systems.
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Affiliation(s)
- Anis Abdul Karim
- Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research) 2 Fusionopolis Way, Innovis, #08-03 Singapore 138634 Singapore
| | - Xian Jun Loh
- Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research) 2 Fusionopolis Way, Innovis, #08-03 Singapore 138634 Singapore
- Department of Materials Science and Engineering, National University of Singapore Singapore 117574 Singapore
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25
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Interface versus bulk gelation and UCST in hydrophobically assembled TX-100 molecular gels. Colloids Surf A Physicochem Eng Asp 2016. [DOI: 10.1016/j.colsurfa.2016.04.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Chen JX, Cao LJ, Shi Y, Wang P, Chen JH. In situ supramolecular hydrogel based on hyaluronic acid and dextran derivatives as cell scaffold. J Biomed Mater Res A 2016; 104:2263-70. [PMID: 27087451 DOI: 10.1002/jbm.a.35747] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2015] [Revised: 03/21/2016] [Accepted: 04/15/2016] [Indexed: 11/07/2022]
Abstract
In this study, hyaluronic acid-β-cyclodextrin conjugate (HA-CD) and dextran-2-naphthylacetic acid conjugate (Dex-NAA) were synthesized as two gelators. The degrees of substitution (DS) of these two gelators were determined to be 15.5 and 7.4%, respectively. Taking advantages of the strong and selective host-guest interaction between β-CD and 2-NAA, the mixture of two gelators could form supramolecular hydrogel in situ. Moreover, the pore size, gelation time, swelling ratio as well as modulus of the hydrogel could be adjusted by simply varying the contents of HA-CD and Dex-NAA. NIH/3T3 cells that entrapped in hydrogel grew well as compared with that cultured in plates, indicating a favorable cytocompatibility of the hydrogel. Collectively, the results demonstrated that the HA-Dex hydrogel could potentially be applied in tissue engineering as cell scaffold. © 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 104A: 2263-2270, 2016.
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Affiliation(s)
- Jing-Xiao Chen
- School of Pharmaceutical Science, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Lu-Juan Cao
- Center for ADR Monitoring of Wuxi, Wuxi, 214122, People's Republic of China
| | - Yu Shi
- School of Pharmaceutical Science, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Ping Wang
- Key Laboratory of Science and Technology of Eco-Textile, Ministry of Education, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Jing-Hua Chen
- School of Pharmaceutical Science, Jiangnan University, Wuxi, 214122, People's Republic of China
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27
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28
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Du X, Zhou J, Shi J, Xu B. Supramolecular Hydrogelators and Hydrogels: From Soft Matter to Molecular Biomaterials. Chem Rev 2015; 115:13165-307. [PMID: 26646318 PMCID: PMC4936198 DOI: 10.1021/acs.chemrev.5b00299] [Citation(s) in RCA: 1266] [Impact Index Per Article: 140.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2015] [Indexed: 12/19/2022]
Abstract
In this review we intend to provide a relatively comprehensive summary of the work of supramolecular hydrogelators after 2004 and to put emphasis particularly on the applications of supramolecular hydrogels/hydrogelators as molecular biomaterials. After a brief introduction of methods for generating supramolecular hydrogels, we discuss supramolecular hydrogelators on the basis of their categories, such as small organic molecules, coordination complexes, peptides, nucleobases, and saccharides. Following molecular design, we focus on various potential applications of supramolecular hydrogels as molecular biomaterials, classified by their applications in cell cultures, tissue engineering, cell behavior, imaging, and unique applications of hydrogelators. Particularly, we discuss the applications of supramolecular hydrogelators after they form supramolecular assemblies but prior to reaching the critical gelation concentration because this subject is less explored but may hold equally great promise for helping address fundamental questions about the mechanisms or the consequences of the self-assembly of molecules, including low molecular weight ones. Finally, we provide a perspective on supramolecular hydrogelators. We hope that this review will serve as an updated introduction and reference for researchers who are interested in exploring supramolecular hydrogelators as molecular biomaterials for addressing the societal needs at various frontiers.
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Affiliation(s)
- Xuewen Du
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, Massachusetts 02454, United States
| | - Jie Zhou
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, Massachusetts 02454, United States
| | - Junfeng Shi
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, Massachusetts 02454, United States
| | - Bing Xu
- Department of Chemistry, Brandeis University, 415 South Street, Waltham, Massachusetts 02454, United States
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29
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Li J, Kuang Y, Shi J, Zhou J, Medina JE, Zhou R, Yuan D, Yang C, Wang H, Yang Z, Liu J, Dinulescu DM, Xu B. Enzyme-Instructed Intracellular Molecular Self-Assembly to Boost Activity of Cisplatin against Drug-Resistant Ovarian Cancer Cells. Angew Chem Int Ed Engl 2015; 54:13307-11. [PMID: 26365295 PMCID: PMC4681442 DOI: 10.1002/anie.201507157] [Citation(s) in RCA: 132] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Indexed: 01/29/2023]
Abstract
Anticancer drug resistance demands innovative approaches that boost the activity of drugs against drug-resistant cancers without increasing the systemic toxicity. Here we show the use of enzyme-instructed self-assembly (EISA) to generate intracellular supramolecular assemblies that drastically boost the activity of cisplatin against drug-resistant ovarian cancer cells. We design and synthesize small peptide precursors as the substrates of carboxylesterase (CES). CES cleaves the ester bond pre-installed on the precursors to form the peptides that self-assemble in water to form nanofibers. At the optimal concentrations, the precursors themselves are innocuous to cells, but they double or triple the activity of cisplatin against the drug-resistant ovarian cancer cells. This work illustrates a simple, yet fundamental, new way to introduce non-cytotoxic components into combination therapies with cisplatin without increasing the systemic burden or side effects.
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Affiliation(s)
- Jie Li
- Department of Chemistry, Brandeis University, 415 South St, Waltham, MA 02454 (USA)
| | - Yi Kuang
- Department of Chemistry, Brandeis University, 415 South St, Waltham, MA 02454 (USA)
| | - Junfeng Shi
- Department of Chemistry, Brandeis University, 415 South St, Waltham, MA 02454 (USA)
| | - Jie Zhou
- Department of Chemistry, Brandeis University, 415 South St, Waltham, MA 02454 (USA)
| | - Jamie E Medina
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115 (USA)
| | - Rong Zhou
- Department of Chemistry, Brandeis University, 415 South St, Waltham, MA 02454 (USA)
| | - Dan Yuan
- Department of Chemistry, Brandeis University, 415 South St, Waltham, MA 02454 (USA)
| | - Cuihong Yang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Science and Peking Union Medical College, Tianjin 300192 (P.R. China)
| | - Huaimin Wang
- State Key Laboratory of Medicinal Chemical Biology and College of Life Sciences, Nankai University, Tianjin 300071 (China)
| | - Zhimou Yang
- State Key Laboratory of Medicinal Chemical Biology and College of Life Sciences, Nankai University, Tianjin 300071 (China)
| | - Jianfeng Liu
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Science and Peking Union Medical College, Tianjin 300192 (P.R. China)
| | - Daniela M Dinulescu
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115 (USA).
| | - Bing Xu
- Department of Chemistry, Brandeis University, 415 South St, Waltham, MA 02454 (USA).
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30
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Datta S, Bhattacharya S. Multifarious facets of sugar-derived molecular gels: molecular features, mechanisms of self-assembly and emerging applications. Chem Soc Rev 2015; 44:5596-637. [PMID: 26023922 DOI: 10.1039/c5cs00093a] [Citation(s) in RCA: 195] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The remarkable capability of nature to design and create excellent self-assembled nano-structures, especially in the biological world, has motivated chemists to mimic such systems with synthetic molecular and supramolecular systems. The hierarchically organized self-assembly of low molecular weight gelators (LMWGs) based on non-covalent interactions has been proven to be a useful tool in the development of well-defined nanostructures. Among these, the self-assembly of sugar-derived LMWGs has received immense attention because of their propensity to furnish biocompatible, hierarchical, supramolecular architectures that are macroscopically expressed in gel formation. This review sheds light on various aspects of sugar-derived LMWGs, uncovering their mechanisms of gelation, structural analysis, and tailorable properties, and their diverse applications such as stimuli-responsiveness, sensing, self-healing, environmental problems, and nano and biomaterials synthesis.
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Affiliation(s)
- Sougata Datta
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, India.
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31
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Li J, Kuang Y, Shi J, Zhou J, Medina JE, Zhou R, Yuan D, Yang C, Wang H, Yang Z, Liu J, Dinulescu DM, Xu B. Enzyme‐Instructed Intracellular Molecular Self‐Assembly to Boost Activity of Cisplatin against Drug‐Resistant Ovarian Cancer Cells. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201507157] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Jie Li
- Department of Chemistry, Brandeis University, 415 South St, Waltham, MA 02454 (USA)
| | - Yi Kuang
- Department of Chemistry, Brandeis University, 415 South St, Waltham, MA 02454 (USA)
| | - Junfeng Shi
- Department of Chemistry, Brandeis University, 415 South St, Waltham, MA 02454 (USA)
| | - Jie Zhou
- Department of Chemistry, Brandeis University, 415 South St, Waltham, MA 02454 (USA)
| | - Jamie E. Medina
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115 (USA)
| | - Rong Zhou
- Department of Chemistry, Brandeis University, 415 South St, Waltham, MA 02454 (USA)
| | - Dan Yuan
- Department of Chemistry, Brandeis University, 415 South St, Waltham, MA 02454 (USA)
| | - Cuihong Yang
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Science and Peking Union Medical College, Tianjin 300192 (P.R. China)
| | - Huaimin Wang
- State Key Laboratory of Medicinal Chemical Biology and College of Life Sciences, Nankai University, Tianjin 300071 (China)
| | - Zhimou Yang
- State Key Laboratory of Medicinal Chemical Biology and College of Life Sciences, Nankai University, Tianjin 300071 (China)
| | - Jianfeng Liu
- Tianjin Key Laboratory of Radiation Medicine and Molecular Nuclear Medicine, Institute of Radiation Medicine, Chinese Academy of Medical Science and Peking Union Medical College, Tianjin 300192 (P.R. China)
| | - Daniela M. Dinulescu
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115 (USA)
| | - Bing Xu
- Department of Chemistry, Brandeis University, 415 South St, Waltham, MA 02454 (USA)
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32
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Shinohara K, Yamashita M, Uchida W, Okabe C, Oshima S, Sugino M, Egawa Y, Miki R, Hosoya O, Fujihara T, Ishimaru Y, Kishino T, Seki T, Juni K. Preparation of polypseudorotaxanes composed of cyclodextrin and polymers in microspheres. Chem Pharm Bull (Tokyo) 2015; 62:962-6. [PMID: 25273055 DOI: 10.1248/cpb.c14-00313] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
We prepared polypseudorotaxanes (PPRXs) composed of cyclodextrin (CyD) and polyethylene glycol (PEG) inside microspheres (MSs) by an emulsifying process using polypropylene glycol (PPG) that shows temperature-dependent hydrophilicity changes; PPG is hydrophobic at high temperatures but hydrophilic at low temperatures. An aqueous solution of CyD and PEG was dispersed as droplets in PPG at 60°C then cooled to 0°C to allow water of droplets to transfer into PPG. On removal of water in the droplets, CyD and PEG were left behind as a CyD/PEG PPRX inside the solid-state MSs. Examination of α-, β-, and γ-CyD revealed that α-CyD was suitable for the formation of PPRX containing PEG in this MS preparation procedure. Interestingly, a new PPRX composed of α-CyD and PPG was formed in the α-CyD MSs when they were prepared in the absence of PEG from the aqueous solution of α-CyD. This MS fabrication procedure can control the size and shape of PPRX particles, and will contribute to the production of new types of CyD inclusion complexes.
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Affiliation(s)
- Katsunori Shinohara
- Department of Pharmacy Services, Saitama Medical Center, Saitama Medical University
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Nano-Sized Cyclodextrin-Based Molecularly Imprinted Polymer Adsorbents for Perfluorinated Compounds-A Mini-Review. NANOMATERIALS 2015; 5:981-1003. [PMID: 28347047 PMCID: PMC5312915 DOI: 10.3390/nano5020981] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2015] [Revised: 05/14/2015] [Accepted: 05/19/2015] [Indexed: 11/24/2022]
Abstract
Recent efforts have been directed towards the design of efficient and contaminant selective remediation technology for the removal of perfluorinated compounds (PFCs) from soils, sediments, and aquatic environments. While there is a general consensus on adsorption-based processes as the most suitable methodology for the removal of PFCs from aquatic environments, challenges exist regarding the optimal materials design of sorbents for selective uptake of PFCs. This article reviews the sorptive uptake of PFCs using cyclodextrin (CD)-based polymer adsorbents with nano- to micron-sized structural attributes. The relationship between synthesis of adsorbent materials and their structure relate to the overall sorption properties. Hence, the adsorptive uptake properties of CD-based molecularly imprinted polymers (CD-MIPs) are reviewed and compared with conventional MIPs. Further comparison is made with non-imprinted polymers (NIPs) that are based on cross-linking of pre-polymer units such as chitosan with epichlorohydrin in the absence of a molecular template. In general, MIPs offer the advantage of selectivity, chemical tunability, high stability and mechanical strength, ease of regeneration, and overall lower cost compared to NIPs. In particular, CD-MIPs offer the added advantage of possessing multiple binding sites with unique physicochemical properties such as tunable surface properties and morphology that may vary considerably. This mini-review provides a rationale for the design of unique polymer adsorbent materials that employ an intrinsic porogen via incorporation of a macrocyclic compound in the polymer framework to afford adsorbent materials with tunable physicochemical properties and unique nanostructure properties.
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Dong R, Pang Y, Su Y, Zhu X. Supramolecular hydrogels: synthesis, properties and their biomedical applications. Biomater Sci 2015. [PMID: 26221932 DOI: 10.1039/c4bm00448e] [Citation(s) in RCA: 170] [Impact Index Per Article: 18.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
As a novel class of three-dimensional (3D) hydrophilic cross-linked polymers, supramolecular hydrogels not only display unique physicochemical properties (e.g., water-retention ability, drug loading capacity, biodegradability and biocompatibility, biostability) as well as specific functionalities (e.g., optoelectronic properties, bioactivity, self-healing ability, shape memory ability), but also have the capability to undergo reversible gel-sol transition in response to various environmental stimuli inherent to the noncovalent cross-linkages, thereby showing great potential as promising biomaterial scaffolds for diagnosis and therapy. In this Review, we summarized the recent progress in the design and synthesis of supramolecular hydrogels through specific, directional noncovalent interactions, with particular emphasis on the structure-property relationship, as well as their wide-ranging applications in disease diagnosis and therapy including bioimaging, biodetection, therapeutic delivery, and tissue engineering. We believe that these current achievements in supramolecular hydrogels will greatly stimulate new ideas and inspire persistent efforts in this hot topic area in future.
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Affiliation(s)
- Ruijiao Dong
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, People's Republic of China.
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35
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Ramakanth I, Pištora J. pH sensitive smart gels of cetylpyridinium chloride in binary solvent mixtures: phase behaviour, structure and composition. RSC Adv 2015. [DOI: 10.1039/c5ra03478g] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Figure showing the effect of pH on CPC gel formation at 25 °C and fluorescence emission spectra of CPC solutions at pH ∼ 11.8.
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Affiliation(s)
- Illa Ramakanth
- Nanotechnology Centre
- VŠB – Technical University of Ostrava
- Ostrava
- Czech Republic
- Department of Chemistry
| | - Jaromír Pištora
- Nanotechnology Centre
- VŠB – Technical University of Ostrava
- Ostrava
- Czech Republic
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36
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Wang S, Wang Y, Chen Z, Lin Y, Weng L, Han K, Li J, Jia X, Li C. The marriage of endo-cavity and exo-wall complexation provides a facile strategy for supramolecular polymerization. Chem Commun (Camb) 2015; 51:3434-7. [DOI: 10.1039/c4cc08820d] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The marriage of exo-wall interactions and endo-cavity inclusion provides a new strategy for the construction of supramolecular polymers from unfunctionalized neutral receptors.
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Affiliation(s)
- Shilu Wang
- Department of Chemistry
- Shanghai University
- Shanghai
- P. R. China
| | - Yiliang Wang
- Department of Chemistry
- Shanghai University
- Shanghai
- P. R. China
| | - Zhenxia Chen
- Department of Chemistry
- Fudan University
- Shanghai 200433
- P. R. China
| | - Yuejian Lin
- Department of Chemistry
- Fudan University
- Shanghai 200433
- P. R. China
| | - Linhong Weng
- Department of Chemistry
- Fudan University
- Shanghai 200433
- P. R. China
| | - Kang Han
- Department of Chemistry
- Shanghai University
- Shanghai
- P. R. China
| | - Jian Li
- Department of Chemistry
- Shanghai University
- Shanghai
- P. R. China
| | - Xueshun Jia
- Department of Chemistry
- Shanghai University
- Shanghai
- P. R. China
| | - Chunju Li
- Department of Chemistry
- Shanghai University
- Shanghai
- P. R. China
- State Key Laboratory of Molecular Engineering of Polymers
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37
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Wang J, Xu Y, Wang Y, Liu J, Xu J, Li L, Nguyen HT, Pham DT, Lincoln SF, Guo X. Bridged-cyclodextrin supramolecular hydrogels: host–guest interaction between a cyclodextrin dimer and adamantyl substituted poly(acrylate)s. RSC Adv 2015. [DOI: 10.1039/c5ra06163f] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Tunable biocompatible hydrogels are prepared by competitive complexation between a beta-cyclodextrin dimer and adamantyl substituted poly(acrylate)s with various tether lengths.
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Affiliation(s)
- Jie Wang
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Yisheng Xu
- Shanghai Key Laboratory of Multiphase Materials Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Yiming Wang
- State Key Laboratory of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Jianjia Liu
- State Key Laboratory of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Jun Xu
- State Key Laboratory of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Li Li
- State Key Laboratory of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
| | - Hanh-Trang Nguyen
- School of Chemistry and Physics
- University of Adelaide
- Adelaide
- Australia
| | - Duc-Truc Pham
- School of Chemistry and Physics
- University of Adelaide
- Adelaide
- Australia
| | | | - Xuhong Guo
- State Key Laboratory of Chemical Engineering
- East China University of Science and Technology
- Shanghai 200237
- China
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38
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Allampally NK, Bredol M, Strassert CA, De Cola L. Highly Phosphorescent Supramolecular Hydrogels Based on Platinum Emitters. Chemistry 2014; 20:16863-8. [DOI: 10.1002/chem.201403772] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2014] [Indexed: 01/04/2023]
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39
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Qin L, Xie F, Duan P, Liu M. A Peptide Dendron-Based Shrinkable Metallo-Hydrogel for Charged Species Separation and Stepwise Release of Drugs. Chemistry 2014; 20:15419-25. [DOI: 10.1002/chem.201404035] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Indexed: 12/24/2022]
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40
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Dong S, Zheng B, Wang F, Huang F. Supramolecular polymers constructed from macrocycle-based host-guest molecular recognition motifs. Acc Chem Res 2014; 47:1982-94. [PMID: 24684594 DOI: 10.1021/ar5000456] [Citation(s) in RCA: 415] [Impact Index Per Article: 41.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
CONSPECTUS: Supramolecular polymers, fabricated via the combination of supramolecular chemistry and polymer science, are polymeric arrays of repeating units held together by reversible, relatively weak noncovalent interactions. The introduction of noncovalent interactions, such as hydrogen bonding, aromatic stacking interactions, metal coordination, and host-guest interactions, endows supramolecular polymers with unique stimuli responsiveness and self-adjusting abilities. As a result, diverse monomer structures have been designed and synthesized to construct various types of supramolecular polymers. By changing the noncovalent interaction types, numbers, or chemical structures of functional groups in these monomers, supramolecular polymeric materials can be prepared with tailored chemical and physical properties. In recent years, the interest in supramolecular polymers has been extended from the preparation of intriguing topological structures to the discoveries of potential applications as functional materials. Compared with traditional polymers, supramolecular polymers show some advantages in the fabrication of reversible or responsive materials. The development of supramolecular polymers also offers a platform to construct complex and sophisticated materials with a bottom-up approach. Macrocylic hosts, including crown ethers, cyclodextrins, calixarenes, cucurbiturils, and pillararenes, are the most commonly used building blocks in the fabrication of host-guest interaction-based supramolecular polymers. With the introduction of complementary guest molecules, macrocylic hosts demonstrate selective and stimuli-responsive host-guest complexation behaviors. By elaborate molecular design, the resultant supramolecular polymers can exhibit diverse structures based on the self-selectivity of host-guest interactions. The introduction of reversible host-guest interactions can further endow these supramolecular polymers with interesting and fascinating chemical/physical properties, including stimuli responsiveness, self-healing, and environmental adaptation. It has been reported that macrocycle-based supramolecular polymers can respond to pH change, photoirradition, anions, cations, temperature, and solvent. Macrocycle-based supramolecular polymers have been prepared in solution, in gel, and in the solid state. Furthermore, the solvent has a very important influence on the formation of these supramolecular polymers. Crown ether- and pillararene-based supramolecular polymers have mainly formed in organic solvents, such as chloroform, acetone, and acetonitrile, while cyclodextrin- and cucurbituril-based supramolecular polymerizations have been usually observed in aqueous solutions. For calixarenes, both organic solvents and water have been used as suitable media for supramolecular polymerization. With the development of supramolecular chemistry and polymer science, various methods, such as nuclear magnetic resonance spectroscopy, X-ray techniques, electron microscopies, and theoretical calculation and computer simulation, have been applied for characterizing supramolecular polymers. The fabrication of macrocycle-based supramolecular polymers has become a currently hot research topic. In this Account, we summarize recent results in the investigation of supramolecular polymers constructed from macrocycle-based host-guest molecular recognition motifs. These supramolecular polymers are classified based on the different macrocycles used in them. Their monomer design, structure control, stimuli-responsiveness, and applications in various areas are discussed, and future research directions are proposed. It is expected that the development of supramolecular polymers will not only change the way we live and work but also exert significant influence on scientific research.
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Affiliation(s)
- Shengyi Dong
- State Key Laboratory of Chemical
Engineering, Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
| | - Bo Zheng
- State Key Laboratory of Chemical
Engineering, Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
| | - Feng Wang
- State Key Laboratory of Chemical
Engineering, Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
| | - Feihe Huang
- State Key Laboratory of Chemical
Engineering, Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China
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41
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Li QL, Gu WX, Gao H, Yang YW. Self-assembly and applications of poly(glycidyl methacrylate)s and their derivatives. Chem Commun (Camb) 2014; 50:13201-15. [DOI: 10.1039/c4cc03036b] [Citation(s) in RCA: 85] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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42
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Hong S, Liu M, Shuai Y, Wang Z, Shi L, Deng W. Amino acid-modified cyclodextrins as ligands for Heck reaction in water. J INCL PHENOM MACRO 2014. [DOI: 10.1007/s10847-014-0409-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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43
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Himmelein S, Lewe V, Stuart MCA, Ravoo BJ. A carbohydrate-based hydrogel containing vesicles as responsive non-covalent cross-linkers. Chem Sci 2014. [DOI: 10.1039/c3sc52964a] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
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44
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Wang D, Tong G, Dong R, Zhou Y, Shen J, Zhu X. Self-assembly of supramolecularly engineered polymers and their biomedical applications. Chem Commun (Camb) 2014; 50:11994-2017. [DOI: 10.1039/c4cc03155e] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Self-assembly behavior of supramolecularly engineered polymers and their biomedical applications have been summarized.
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Affiliation(s)
- Dali Wang
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- 200240 Shanghai, P. R. China
| | - Gangsheng Tong
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- 200240 Shanghai, P. R. China
- Instrumental Analysis Center
| | - Ruijiao Dong
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- 200240 Shanghai, P. R. China
| | - Yongfeng Zhou
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- 200240 Shanghai, P. R. China
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
| | - Jian Shen
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Biomedical Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
- 210046 Nanjing, P. R. China
| | - Xinyuan Zhu
- School of Chemistry and Chemical Engineering
- State Key Laboratory of Metal Matrix Composites
- Shanghai Jiao Tong University
- 200240 Shanghai, P. R. China
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
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45
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Li Z, Hao A, Hao J. Formation of heat-triggered supramolecular organogel in which β-cyclodextrin as sole gelator. Colloids Surf A Physicochem Eng Asp 2014. [DOI: 10.1016/j.colsurfa.2013.08.078] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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46
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Wang X, Deng H, Li J, Zheng K, Jia X, Li C. A Neutral Supramolecular Hyperbranched Polymer Fabricated from an AB2
-Type Copillar[5]arene. Macromol Rapid Commun 2013; 34:1856-62. [DOI: 10.1002/marc.201300731] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2013] [Revised: 10/30/2013] [Indexed: 01/23/2023]
Affiliation(s)
- Xiaoyang Wang
- Department of Chemistry; Shanghai University; Shanghai 200444 P. R. China
| | - Hongmei Deng
- Laboratory for Microstructures; Shanghai University; Shanghai 200444 P. R. China
| | - Jian Li
- Department of Chemistry; Shanghai University; Shanghai 200444 P. R. China
| | - Kai Zheng
- Department of Chemistry; Shanghai University; Shanghai 200444 P. R. China
| | - Xueshun Jia
- Department of Chemistry; Shanghai University; Shanghai 200444 P. R. China
| | - Chunju Li
- Department of Chemistry; Shanghai University; Shanghai 200444 P. R. China
- Beijing National Laboratory for Molecular Sciences (BNLMS); Beijing 100190 P. R. China
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47
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Liu Y, Wang T, Li Z, Liu M. Copper(II) ion selective and strong acid-tolerable hydrogels formed by an L-histidine ester terminated bolaamphiphile: from single molecular thick nanofibers to single-wall nanotubes. Chem Commun (Camb) 2013; 49:4767-9. [PMID: 23589838 DOI: 10.1039/c3cc41786g] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
An L-histidine ester terminated bolaamphiphile (BolaHis) was found to form hydrogels and self-assemble into single-wall nanotubes and single molecular thick fibers triggered by proton and copper ions, respectively. The hydrogels showed good tolerance to a concentrated acid environment and excellent selectivity towards Cu(2+) over other metal ions.
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Affiliation(s)
- Yaqing Liu
- Beijing National Laboratory for Molecular Science (BNLMS), Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, People's Republic of China
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48
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Peng Y, Wang ZC, Xu XD, Song JC. Hydrophilic-Hydrophobic-Transition-Triggered Thermosensitive Macroscopic Gel Assembly. MACROMOL CHEM PHYS 2013. [DOI: 10.1002/macp.201300445] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Yan Peng
- Department of Pharmacy, The Renmin Hospital of Wuhan University; Wuhan 430060 P. R. China
| | - Zong-Chun Wang
- Department of Pharmacy, The Renmin Hospital of Wuhan University; Wuhan 430060 P. R. China
| | - Xiao-Ding Xu
- Key Laboratory of Biomedical Polymers of Ministry of Education & Department of Chemistry, Wuhan University; Wuhan 430072 P. R. China
| | - Jin-Chun Song
- Department of Pharmacy, The Renmin Hospital of Wuhan University; Wuhan 430060 P. R. China
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49
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Ma D, Zhang LM. Novel biosensing platform based on self-assembled supramolecular hydrogel. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2013; 33:2632-8. [DOI: 10.1016/j.msec.2013.02.023] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2012] [Revised: 01/02/2013] [Accepted: 02/15/2013] [Indexed: 01/26/2023]
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50
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Zheng Y, Hashidzume A, Harada A. pH-Responsive Self-Assembly by Molecular Recognition on a Macroscopic Scale. Macromol Rapid Commun 2013; 34:1062-6. [DOI: 10.1002/marc.201300324] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2013] [Revised: 04/22/2013] [Indexed: 11/06/2022]
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