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Kubota R, Tanaka W, Hamachi I. Microscopic Imaging Techniques for Molecular Assemblies: Electron, Atomic Force, and Confocal Microscopies. Chem Rev 2021; 121:14281-14347. [DOI: 10.1021/acs.chemrev.0c01334] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Ryou Kubota
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Wataru Tanaka
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Itaru Hamachi
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
- JST-ERATO, Hamachi Innovative Molecular Technology for Neuroscience, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8530, Japan
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2
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Raza F, Zafar H, Zhu Y, Ren Y, -Ullah A, Khan AU, He X, Han H, Aquib M, Boakye-Yiadom KO, Ge L. A Review on Recent Advances in Stabilizing Peptides/Proteins upon Fabrication in Hydrogels from Biodegradable Polymers. Pharmaceutics 2018; 10:E16. [PMID: 29346275 PMCID: PMC5874829 DOI: 10.3390/pharmaceutics10010016] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Revised: 01/06/2018] [Accepted: 01/16/2018] [Indexed: 12/16/2022] Open
Abstract
Hydrogels evolved as an outstanding carrier material for local and controlled drug delivery that tend to overcome the shortcomings of old conventional dosage forms for small drugs (NSAIDS) and large peptides and proteins. The aqueous swellable and crosslinked polymeric network structure of hydrogels is composed of various natural, synthetic and semisynthetic biodegradable polymers. Hydrogels have remarkable properties of functionality, reversibility, sterilizability, and biocompatibility. All these dynamic properties of hydrogels have increased the interest in their use as a carrier for peptides and proteins to be released slowly in a sustained manner. Peptide and proteins are remarkable therapeutic agents in today's world that allow the treatment of severe, chronic and life-threatening diseases, such as diabetes, rheumatoid arthritis, hepatitis. Despite few limitations, hydrogels provide fine tuning of proteins and peptides delivery with enormous impact in clinical medicine. Novels drug delivery systems composed of smart peptides and molecules have the ability to drive self-assembly and form hydrogels at physiological pH. These hydrogels are significantly important for biological and medical fields. The primary objective of this article is to review current issues concerned with the therapeutic peptides and proteins and impact of remarkable properties of hydrogels on these therapeutic agents. Different routes for pharmaceutical peptides and proteins and superiority over other drugs candidates are presented. Recent advances based on various approaches like self-assembly of peptides and small molecules to form novel hydrogels are also discussed. The article will also review the literature concerning the classification of hydrogels on a different basis, polymers used, "release mechanisms" their physical and chemical characteristics and diverse applications.
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Affiliation(s)
- Faisal Raza
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing210009, China.
| | - Hajra Zafar
- Department of Pharmacy, Quaid-i-Azam University Islamabad, Islamabad45320, Pakistan.
| | - Ying Zhu
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing210009, China.
| | - Yuan Ren
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing210009, China.
| | - Aftab -Ullah
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing210009, China.
| | - Asif Ullah Khan
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing210009, China.
| | - Xinyi He
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing210009, China.
| | - Han Han
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing210009, China.
| | - Md Aquib
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing210009, China.
| | | | - Liang Ge
- Department of Pharmaceutics, China Pharmaceutical University, Nanjing210009, China.
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China.
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3
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Shigemitsu H, Hamachi I. Design Strategies of Stimuli-Responsive Supramolecular Hydrogels Relying on Structural Analyses and Cell-Mimicking Approaches. Acc Chem Res 2017; 50:740-750. [PMID: 28252940 DOI: 10.1021/acs.accounts.7b00070] [Citation(s) in RCA: 130] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Stimuli-responsive hydrogels are intriguing biomaterials useful for spatiotemporal controlled release of drugs, cells, and biological cues, cell engineering for various applications, and medical diagnosis. To date, many physical and chemical stimuli-responsive polymer hydrogels have been developed by chemical modification of polymer chains and cross-linking points. In particular, conjugation with biomolecules to polymers produced promising biomolecule-responsive hydrogels. These examples clearly indicate high potentials of stimuli-responsive hydrogels as promising biomaterials. In addition to polymer hydrogels, supramolecular hydrogels formed by the assembly of small molecules (hydrogelators) via noncovalent interactions have also been regarded as unique and promising soft materials due to their flexible programmability in rendering them stimuli-responsive with the larger macroscopic change (i.e., gel-sol transition). This Account describes our strategies for the rational design of stimuli-responsive supramolecular hydrogels and their biological applications. Following the detailed structural analysis of a lead hydrogelator that clearly indicates the appropriate sites for incorporation of stimuli-responsive modules, we designed supramolecular hydrogels capable of responding to simple physical (thermal and light) and chemical (pH and metal ions) stimuli. More importantly, biomolecule-responsive hydrogels were successfully developed by supramolecularly mimicking the complex yet well-ordered structures and functions of live cells containing multiple components (a cell-mimicking approach). Development of biomolecule-responsive supramolecular hydrogels has been difficult as the conventional strategy relies on the chemical incorporation of stimuli-responsive modules, owing to the lack of modules that can effectively respond to structurally diverse and complicated biomolecules. Inspired by natural systems where functional compartments (e.g., cell organelles) sophisticatedly interact with each other, we sought to integrate the two distinct microenvironments of supramolecular hydrogels (the aqueous cavity surrounded by fibers and the fluidic hydrophobic fiber domain) with other functional materials (e.g., enzymes, peptides or proteins, fluorescent chemosensors, or inorganic porous or layered nanomaterials) for biomolecule responses. In situ fluorescence microscopy imaging clearly demonstrated that chemical isolation and crosstalk are highly successful between the integrated microenvironments in supramolecular hydrogels, similar to organelles in living cells, which allow for the construction of unique optical response and sensing systems for biomolecules. Furthermore, programmed hybridization of our chemically reactive hydrogels with appropriate enzymes can provide an unprecedented universal platform for biomolecule-degradable supramolecular hydrogels. Such biomolecule-responsive hydrogels are a potentially promising tool for user-friendly early diagnostics and on-demand drug-releasing soft materials. We expect that our rational design strategies for stimuli-responsive supramolecular hydrogels by modification of chemical structures and hybridization with functional materials will inspire scientists in various fields and lead to development of novel soft materials for biological applications.
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Affiliation(s)
- Hajime Shigemitsu
- Department of Synthetic
Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Kyoto 615-8510, Japan
| | - Itaru Hamachi
- Department of Synthetic
Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Kyoto 615-8510, Japan
- Core Research for Evolutional Science and Technology, Japan Science and Technology Agency, 5 Sanbancho, Chiyoda-ku, Tokyo 102-0075, Japan
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Wei Q, Xu M, Liao C, Wu Q, Liu M, Zhang Y, Wu C, Cheng L, Wang Q. Printable hybrid hydrogel by dual enzymatic polymerization with superactivity. Chem Sci 2016; 7:2748-2752. [PMID: 28660051 PMCID: PMC5477016 DOI: 10.1039/c5sc02234g] [Citation(s) in RCA: 86] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2015] [Accepted: 12/19/2015] [Indexed: 12/20/2022] Open
Abstract
Hybrid hydrogels were fabricated via a new approach employing a dual enzyme-mediated redox initiation reaction and their applications for 3D printing and biocatalysis.
A new approach has been developed to fabricate tough hybrid hydrogels by employing dual enzyme-mediated redox initiation to achieve post-self-assembly cross-linking polymerization. The resulting hydrogel combines the merits of supramolecular hydrogels with polymeric hydrogels to achieve higher mechanical strength and porous networks. Designed 3D constructs were fabricated via in situ 3D printing. The in situ immobilized GOx/HRP in Gel II exhibited superactivity compared to free enzymes, which might be attributed to the synergistic effect of co-localized GOx and HRP minimizing the distances for mass transport between the gel and the bulk solution. This mechanically strong hybrid hydrogel maintained high reusability and thermal stability as well. In addition, in situ 3D cell culture was demonstrated, thus indicating that this biodegradable hybrid hydrogel is biocompatible with cells. The subsequent 3D cell printing further indicates that the hybrid hydrogel is a promising scaffold for bio-related applications such as biocatalysis and tissue engineering.
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Affiliation(s)
- Qingcong Wei
- Department of Chemistry , Advanced Research Institute , Tongji University , Shanghai 200092 , P. R. China .
| | - Mengchi Xu
- State Key Laboratory of Performance Ceramics and Superfine Microstructure , Shanghai Institute of Ceramics , Chinese Academy of Sciences , Shanghai 200050 , P. R. China .
| | - Chuanan Liao
- Department of Chemistry , Advanced Research Institute , Tongji University , Shanghai 200092 , P. R. China .
| | - Qing Wu
- Department of Chemistry , Advanced Research Institute , Tongji University , Shanghai 200092 , P. R. China .
| | - Mingyu Liu
- School of Life Sciences and Technology , Tongji University , Shanghai 200092 , P. R. China
| | - Ye Zhang
- Bioinspired Soft Matter Unit , Okinawa Institute of Science and Technology , Okinawa , Japan .
| | - Chengtie Wu
- State Key Laboratory of Performance Ceramics and Superfine Microstructure , Shanghai Institute of Ceramics , Chinese Academy of Sciences , Shanghai 200050 , P. R. China .
| | - Liming Cheng
- Spine Division of Orthopaedics Department , Tongji Hospital , Tongji University School of Medicine , Shanghai 200065 , P. R. China
| | - Qigang Wang
- Department of Chemistry , Advanced Research Institute , Tongji University , Shanghai 200092 , P. R. China .
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5
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Luo Y, Li M, Zhao Y, Liu H, Gong T, Hong Y, Du L, Peng Q. Molecular nanofibers of paclitaxel form supramolecular hydrogel for preventing tumor growth in vivo. RSC Adv 2016. [DOI: 10.1039/c6ra17473f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
A conjugate of tripeptide RGD and paclitaxel can form a nanofibrous hydrogel with a high payload of 66.7%, which can serve as both carrier and cargo for delaying tumor growth in vivo.
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Affiliation(s)
- Yue Luo
- Key Laboratory of Bio-resources and Eco-environment of the Ministry of Education
- College of Life Sciences
- Sichuan University
- Chengdu 610064
- China
| | - Meng Li
- Blood Research Laboratory
- Chengdu Blood Center
- Chengdu 610041
- China
| | - Yuwei Zhao
- Blood Research Laboratory
- Chengdu Blood Center
- Chengdu 610041
- China
| | - Hao Liu
- Cancer Center
- Hospital of the University of Electronic Science and Technology of China and Sichuan Provincial People's Hospital
- Chengdu 610000
- China
| | - Tianxiang Gong
- Blood Research Laboratory
- Chengdu Blood Center
- Chengdu 610041
- China
| | - Ying Hong
- Blood Research Laboratory
- Chengdu Blood Center
- Chengdu 610041
- China
| | - Linfang Du
- Key Laboratory of Bio-resources and Eco-environment of the Ministry of Education
- College of Life Sciences
- Sichuan University
- Chengdu 610064
- China
| | - Qian Peng
- Cancer Center
- Hospital of the University of Electronic Science and Technology of China and Sichuan Provincial People's Hospital
- Chengdu 610000
- China
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6
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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: 1278] [Impact Index Per Article: 142.0] [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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7
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Burke HM, Gunnlaugsson T, Scanlan EM. Recent advances in the development of synthetic chemical probes for glycosidase enzymes. Chem Commun (Camb) 2015; 51:10576-88. [PMID: 26051717 DOI: 10.1039/c5cc02793d] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The emergence of synthetic glycoconjugates as chemical probes for the detection of glycosidase enzymes has resulted in the development of a range of useful chemical tools with applications in glycobiology, biotechnology, medical and industrial research. Critical to the function of these probes is the preparation of substrates containing a glycosidic linkage that when activated by a specific enzyme or group of enzymes, irreversibly releases a reporter molecule that can be detected. Starting from the earliest examples of colourimetric probes, increasingly sensitive and sophisticated substrates have been reported. In this review we present an overview of the recent advances in this field, covering an array of strategies including chromogenic and fluorogenic substrates, lanthanide complexes, gels and nanoparticles. The applications of these substrates for the detection of various glycosidases and the scope and limitations for each approach are discussed.
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Affiliation(s)
- Helen M Burke
- School of Chemistry and Trinity Biomedical Sciences Institute, Trinity College, Pearse St, Dublin 2, Ireland.
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8
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Chen M, Wei C, Wu X, Khan M, Huang N, Zhang G, Li L. Metallogels self-assembled from linear rod-like platinum complexes: influence of the linkage. Chemistry 2015; 21:4213-7. [PMID: 25644237 DOI: 10.1002/chem.201406296] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2014] [Indexed: 12/18/2022]
Abstract
Two linear rod-like platinum complexes, which only differed in the linkage, were prepared. They both self-assemble into metallogels in nonpolar solvents; however, a very big contrast was observed. Unexpectedly, a much weaker gel was acquired upon replacing the ester linkage by an amide group. The intermolecular hydrogen bonding offered by the amide motif leads to a different stacking fashion and mechanism. The results demonstrated herein contribute to the rational design of metallogels as well as other functional supramolecular materials.
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Affiliation(s)
- Mingming Chen
- National Synchrotron Radiation Lab and College of Nuclear Science and Technology, University of Science and Technology of China, No. 96, JinZhai Road, Hefei, Anhui, 230026 (P. R. China), Fax: (+) 86-551-5141078
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9
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Amin MCIM, Ahmad N, Pandey M, Abeer MM, Mohamad N. Recent advances in the role of supramolecular hydrogels in drug delivery. Expert Opin Drug Deliv 2014; 12:1149-61. [DOI: 10.1517/17425247.2015.997707] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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10
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Du X, Zhou J, Xu B. Supramolecular hydrogels made of basic biological building blocks. Chem Asian J 2014; 9:1446-72. [PMID: 24623474 PMCID: PMC4024374 DOI: 10.1002/asia.201301693] [Citation(s) in RCA: 92] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Indexed: 12/31/2022]
Abstract
As a consequence of the self-assembly of small organic molecules in water, supramolecular hydrogels are evolving from serendipitous events during organic synthesis to become a new type of materials that hold promise for applications in biomedicine. In this Focus Review, we describe recent advances in the use of basic biological building blocks for creating molecules that act as hydrogelators and the potential applications of the corresponding hydrogels. After introducing the concept of supramolecular hydrogels and defining the scope of this review, we briefly describe the methods for making and characterizing supramolecular hydrogels. We then discuss representative hydrogelators according to the categories of their building blocks, such as amino acids, nucleobases, and saccharides, and highlight the applications of the hydrogels when necessary. Finally, we offer our perspective and outlook on this fast-growing field at the interface of organic chemistry, materials, biology, and medicine. By providing a snapshot for chemists, engineers, and medical scientists, we hope that this Focus Review will contribute to the development of multidisciplinary research on supramolecular hydrogels for a wide range of applications in different fields.
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Affiliation(s)
- Xuewen Du
- Department of Chemistry, Brandeis University, 415 South St., Waltham, MA 02454, USA, Fax: (01)781 736 2516
| | - Jie Zhou
- Department of Chemistry, Brandeis University, 415 South St., Waltham, MA 02454, USA, Fax: (01)781 736 2516
| | - Bing Xu
- Department of Chemistry, Brandeis University, 415 South St., Waltham, MA 02454, USA, Fax: (01)781 736 2516
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11
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Babu SS, Praveen VK, Ajayaghosh A. Functional π-gelators and their applications. Chem Rev 2014; 114:1973-2129. [PMID: 24400783 DOI: 10.1021/cr400195e] [Citation(s) in RCA: 1220] [Impact Index Per Article: 122.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Sukumaran Santhosh Babu
- Photosciences and Photonics Group, Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST) , Trivandrum 695019, India
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12
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Ochi R, Kurotani K, Ikeda M, Kiyonaka S, Hamachi I. Supramolecular hydrogels based on bola-amphiphilic glycolipids showing color change in response to glycosidases. Chem Commun (Camb) 2012; 49:2115-7. [PMID: 23258236 DOI: 10.1039/c2cc37908b] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
We developed supramolecular hydrogels exhibiting reversible thermochromism concurrently with gel-to-sol transition from four glycolipids. In addition, these gels showed the similar color change in response to glycosidases, which can be employed to construct a colorimetric sensor array chip for sensing glycosidases with the naked eye.
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Affiliation(s)
- Rika Ochi
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Kyoto, 615-8510, Japan
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13
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Clemente MJ, Fitremann J, Mauzac M, Serrano JL, Oriol L. Synthesis and characterization of maltose-based amphiphiles as supramolecular hydrogelators. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2011; 27:15236-15247. [PMID: 22124333 DOI: 10.1021/la203447e] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Low molecular mass amphiphilic glycolipids have been prepared by linking a maltose polar head and a hydrophobic linear chain either by amidation or copper(I)-catalyzed azide-alkyne [3 + 2] cycloaddition. The liquid crystalline properties of these amphiphilic materials have been characterized. The influence of the chemical structure of these glycolipids on the gelation properties in water has also been studied. Glycolipids obtained by the click coupling of the two components give rise to stable hydrogels at room temperature. The fibrillar structure of supramolecular hydrogels obtained by the self-assembly of these gelators have been characterized by electron microscopy. Fibers showed some torsion, which could be related with a chiral supramolecular arrangement of amphiphiles, as confirmed by circular dichroism (CD). The sol-gel transition temperature was also determined by differential scanning calorimetry (DSC) and NMR.
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Affiliation(s)
- María J Clemente
- Instituto de Ciencia de Materiales de Aragón (ICMA), Universidad de Zaragoza-CSIC, Dpt. Química Orgánica, Facultad de Ciencias, Pedro Cerbuna 12, 50009, Zaragoza, Spain
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Ikeda M, Ochi R, Hamachi I. Supramolecular hydrogel-based protein and chemosensor array. LAB ON A CHIP 2010; 10:3325-34. [PMID: 20862441 DOI: 10.1039/c004908e] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
The development of protein and sensor arrays is crucial for rapid and high-throughput assays of biological events, markers, environmental pollutants, and others. We describe supramolecular hydrogel as a unique material for use as a matrix for immobilizing proteins, peptides, substrates, chemosensors, and mesoporous silica particles, and thereby array them on solid supports. The semi-wet conditions provided by the gel, which consists of 3D supramolecular nanofiber network structure, are suitable for entrapping such substances whilst retaining their activity and function. Moreover, the hydrophobic interior of the nanofibers of the supramolecular hydrogel can reversibly entrap hydrophobic molecules, which allows the development of various read-out systems, such as fluorescence enhancement and fluorescence resonance energy transfer (FRET), by which one can monitor the signal changes associated with, for instance, molecular recognition and enzyme activity.
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Affiliation(s)
- Masato Ikeda
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Kyoto 615-8510, Japan
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15
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Ikeda M, Ochi R, Wada A, Hamachi I. Supramolecular hydrogel capsule showing prostate specific antigen-responsive function for sensing and targeting prostate cancer cells. Chem Sci 2010. [DOI: 10.1039/c0sc00278j] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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16
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Wada A, Tamaru SI, Ikeda M, Hamachi I. MCM−Enzyme−Supramolecular Hydrogel Hybrid as a Fluorescence Sensing Material for Polyanions of Biological Significance. J Am Chem Soc 2009; 131:5321-30. [DOI: 10.1021/ja900500j] [Citation(s) in RCA: 160] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Atsuhiko Wada
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Kyoto, 615-8510, Japan, and Japan Science and Technology Agency (JST), CREST, 5 Sanbancho, Chiyoda-ku, Tokyo, 102-0075, Japan
| | - Shun-ichi Tamaru
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Kyoto, 615-8510, Japan, and Japan Science and Technology Agency (JST), CREST, 5 Sanbancho, Chiyoda-ku, Tokyo, 102-0075, Japan
| | - Masato Ikeda
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Kyoto, 615-8510, Japan, and Japan Science and Technology Agency (JST), CREST, 5 Sanbancho, Chiyoda-ku, Tokyo, 102-0075, Japan
| | - Itaru Hamachi
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Kyoto, 615-8510, Japan, and Japan Science and Technology Agency (JST), CREST, 5 Sanbancho, Chiyoda-ku, Tokyo, 102-0075, Japan
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17
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Wang J, Wang Z, Gao J, Wang L, Yang Z, Kong D, Yang Z. Incorporation of supramolecular hydrogels into agarose hydrogels—a potential drug delivery carrier. ACTA ACUST UNITED AC 2009. [DOI: 10.1039/b913158b] [Citation(s) in RCA: 91] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Hirst AR, Escuder B, Miravet JF, Smith DK. High-tech applications of self-assembling supramolecular nanostructured gel-phase materials: from regenerative medicine to electronic devices. Angew Chem Int Ed Engl 2008; 47:8002-18. [PMID: 18825737 DOI: 10.1002/anie.200800022] [Citation(s) in RCA: 928] [Impact Index Per Article: 58.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
It is likely that nanofabrication will underpin many technologies in the 21st century. Synthetic chemistry is a powerful approach to generate molecular structures that are capable of assembling into functional nanoscale architectures. There has been intense interest in self-assembling low-molecular-weight gelators, which has led to a general understanding of gelation based on the self-assembly of molecular-scale building blocks in terms of non-covalent interactions and packing parameters. The gelator molecules generate hierarchical, supramolecular structures that are macroscopically expressed in gel formation. Molecular modification can therefore control nanoscale assembly, a process that ultimately endows specific material function. The combination of supramolecular chemistry, materials science, and biomedicine allows application-based materials to be developed. Regenerative medicine and tissue engineering using molecular gels as nanostructured scaffolds for the regrowth of nerve cells has been demonstrated in vivo, and the prospect of using self-assembled fibers as one-dimensional conductors in gel materials has captured much interest in the field of nanoelectronics.
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Affiliation(s)
- Andrew R Hirst
- Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK
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Hirst A, Escuder B, Miravet J, Smith D. “High-Tech”-Anwendungen von supramolekularen nanostrukturierten Gelmaterialien - von der regenerativen Medizin bis hin zu elektronischen Bauelementen. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200800022] [Citation(s) in RCA: 187] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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20
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Hennig A, Gabriel GJ, Tew GN, Matile S. Stimuli-responsive polyguanidino-oxanorbornene membrane transporters as multicomponent sensors in complex matrices. J Am Chem Soc 2008; 130:10338-44. [PMID: 18624407 PMCID: PMC2646665 DOI: 10.1021/ja802587j] [Citation(s) in RCA: 103] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2008] [Indexed: 11/29/2022]
Abstract
We introduce guanidinium-containing synthetic polymers based on polyguanidino-oxanorbornenes (PGONs) as anion transporters in lipid bilayers that can be activated and inactivated by chemical stimulation. According to fluorogenic anion export experiments with vesicles, PGON transporters are most active in neutral bilayers near their phase transition, with EC50's in the nanomolar range. Six times higher effective transporter concentrations were measured with aminonaphthalene-1,3,6-trisulfonate than with 5(6)-carboxyfluorescein, demonstrating the importance of anion binding for transport and excluding nonspecific efflux. Negative surface potentials efficiently annihilate transport activity, while inside-negative membrane potentials slightly increase it. These trends demonstrate the functional importance of counterions to hinder the binding of hydrophilic counterions and to minimize the global positive charge of the transporter-counterion complexes. Strong, nonlinear increases in activity with polymer length reveal a significant polymer effect. Overall, the characteristics of PGONs do not match those of similar systems (for example, polyarginine) and hint toward an interesting mode of action, clearly different from nonspecific leakage caused by detergents. The activity of PGONs increases in the presence of amphiphilic anions such as pyrenebutyrate (EC50 = 70 microM), while several other amphiphilic anions tested were inactive. PGONs are efficiently inactivated by numerous hydrophilic anions including ATP (IC 50 = 150 microM), ADP (IC50 = 460 microM), heparin (IC50 = 1.0 microM), phytate (IC50 = 0.4 microM), and CB hydrazide (IC50 = 26 microM). The compatibility of this broad responsiveness with multicomponent sensing in complex matrices is discussed and illustrated with lactate sensing in sour milk. The PGON lactate sensor operates together with lactate oxidase as a specific signal generator and CB hydrazide as an amplifier for covalent capture of the pyruvate product as CB hydrazone (IC50 = 1.5 microM).
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Affiliation(s)
- Andreas Hennig
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland
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Wang Q, Yang Z, Ma M, Chang CK, Xu B. High catalytic activities of artificial peroxidases based on supramolecular hydrogels that contain heme models. Chemistry 2008; 14:5073-8. [PMID: 18399529 DOI: 10.1002/chem.200702010] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Composed of a supramolecular hydrogel and a heme model compound, a new type of artificial peroxidase shows high catalytic activity in organic media. The activity of this new type of artificial enzyme is significantly higher than that of the heme model compounds alone. Changes in the distal substituents above the coordinated-metal centers of the model compounds directly modulate catalytic activity. This supramolecular-hydrogel-based artificial enzyme is most active in toluene, reaching about 90% of the nascent activity of horseradish peroxidase. Moreover, this study confirms that the incorporation of the heme models into the nanofibers of gelators accounts for most of the enhancement of catalytic activity.
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Affiliation(s)
- Qigang Wang
- Department of Chemistry, The Hong Kong University of Science & Technology, Clear Water Bay, Hong Kong, China
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Hagihara S, Gremaud L, Bollot G, Mareda J, Matile S. Screening of π-Basic Naphthalene and Anthracene Amplifiers for π-Acidic Synthetic Pore Sensors. J Am Chem Soc 2008; 130:4347-51. [DOI: 10.1021/ja078256t] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shinya Hagihara
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland
| | - Ludovic Gremaud
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland
| | - Guillaume Bollot
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland
| | - Jiri Mareda
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland
| | - Stefan Matile
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland
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Mora F, Tran DH, Oudry N, Hopfgartner G, Jeannerat D, Sakai N, Matile S. Interface Engineering of Synthetic Pores: Towards Hypersensitive Biosensors. Chemistry 2008; 14:1947-53. [DOI: 10.1002/chem.200701520] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Yamaguchi S, Matsumoto S, Ishizuka K, Iko Y, Tabata K, Arata H, Fujita H, Noji H, Hamachi I. Thermally Responsive Supramolecular Nanomeshes for On/Off Switching of the Rotary Motion of F1-ATPase at the Single-Molecule Level. Chemistry 2008; 14:1891-6. [DOI: 10.1002/chem.200701285] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Law B, Tung CH. Structural Modification of Protease Inducible Preprogrammed Nanofiber Precursor. Biomacromolecules 2008; 9:421-5. [DOI: 10.1021/bm7012026] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Benedict Law
- Center for Molecular Imaging Research, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts 02129
| | - Ching-Hsuan Tung
- Center for Molecular Imaging Research, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts 02129
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Matsumoto S, Yamaguchi S, Wada A, Matsui T, Ikeda M, Hamachi I. Photo-responsive gel droplet as a nano- or pico-litre container comprising a supramolecular hydrogel. Chem Commun (Camb) 2008:1545-7. [DOI: 10.1039/b719004b] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Wang Q, Yang Z, Zhang X, Xiao X, Chang CK, Xu B. A supramolecular-hydrogel-encapsulated hemin as an artificial enzyme to mimic peroxidase. Angew Chem Int Ed Engl 2007; 46:4285-9. [PMID: 17443763 DOI: 10.1002/anie.200700404] [Citation(s) in RCA: 297] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Qigang Wang
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Hong Kong, PR China
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Litvinchuk S, Tanaka H, Miyatake T, Pasini D, Tanaka T, Bollot G, Mareda J, Matile S. Synthetic pores with reactive signal amplifiers as artificial tongues. NATURE MATERIALS 2007; 6:576-80. [PMID: 17558430 DOI: 10.1038/nmat1933] [Citation(s) in RCA: 87] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2007] [Accepted: 05/10/2007] [Indexed: 05/15/2023]
Abstract
The sensation of taste is mediated by activation or deactivation of transmembrane pores. Artificial stimulus-responsive pores are enormously appealing as sensor components because changes in their activity are readily detectable in many different ways. However, the detection of multiple components in complex matrices (such as foods) with one pore sensor has so far remained elusive because the specificity necessary for sensing a target compound in complex mixtures is incompatible with the broad applicability needed for the detection of multiple components. Here, we present synthetic pores that, like our tongues, can sense flavours in food and in addition make them visibly detectable. Differential sensing and pattern recognition are solutions based on empirical and biomimetic approaches. They have been explored with synthetic receptor arrays and electronic tongues. In contrast, our approach is non-empirical as it exploits reactive amplifiers that covalently capture elusive analytes after enzymatic signal generation and drag them into synthetic pores for blockage. Reactive amplification proved to be highly sensitive and adaptable to various analytes and pores. Moreover, it can be combined with reactive filtration for minimizing interference. The system was tested on real food samples for detection of sucrose, lactose, lactate, acetate, citrate and glutamate to demonstrate the feasibility of these synthetic pores as universal sensors.
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Affiliation(s)
- Svetlana Litvinchuk
- Department of Organic Chemistry, University of Geneva, 1211 Geneva, Switzerland
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Suzuki M, Owa S, Shirai H, Hanabusa K. Supramolecular hydrogel formed by glucoheptonamide of l-lysine: simple preparation and excellent hydrogelation ability. Tetrahedron 2007. [DOI: 10.1016/j.tet.2007.02.065] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Bhosale R, Bhosale S, Bollot G, Gorteau V, Julliard MD, Litvinchuk S, Mareda J, Matile S, Miyatake T, Mora F, Perez-Velasco A, Sakai N, Sisson AL, Tanaka H, Tran DH. Synthetic Multifunctional Nanoarchitecture in Lipid Bilayers: Ion Channels, Sensors, and Photosystems. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2007. [DOI: 10.1246/bcsj.80.1044] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Wang Q, Yang Z, Zhang X, Xiao X, Chang C, Xu B. A Supramolecular-Hydrogel-Encapsulated Hemin as an Artificial Enzyme to Mimic Peroxidase. Angew Chem Int Ed Engl 2007. [DOI: 10.1002/ange.200700404] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Yang Z, Liang G, Ma M, Gao Y, Xu B. Conjugates of naphthalene and dipeptides produce molecular hydrogelators with high efficiency of hydrogelation and superhelical nanofibers. ACTA ACUST UNITED AC 2007. [DOI: 10.1039/b611255b] [Citation(s) in RCA: 174] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Yamanaka M, Sada K, Miyata M, Hanabusa K, Nakano K. Construction of superhydrophobic surfaces by fibrous aggregation of perfluoroalkyl chain-containing organogelators. Chem Commun (Camb) 2006:2248-50. [PMID: 16718318 DOI: 10.1039/b601485b] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Superhydrophobic surfaces, characterized by water contact angles greater than 150 degrees, can be produced by means of intermediate organogels, which were formed by perfluoroalkyl chain-containing organogelators with volatile organic solvents.
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Affiliation(s)
- Motoshi Yamanaka
- Nagoya Municipal Industrial Research Institute, 3-4-41 Rokuban, Atsuta-ku, Nagoya, Aichi, 456-0058, Japan
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