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Chen X, Chen H, Fraser Stoddart J. The Story of the Little Blue Box: A Tribute to Siegfried Hünig. Angew Chem Int Ed Engl 2023; 62:e202211387. [PMID: 36131604 PMCID: PMC10099103 DOI: 10.1002/anie.202211387] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Indexed: 02/02/2023]
Abstract
The tetracationic cyclophane, cyclobis(paraquat-p-phenylene), also known as the little blue box, constitutes a modular receptor that has facilitated the discovery of many host-guest complexes and mechanically interlocked molecules during the past 35 years. Its versatility in binding small π-donors in its tetracationic state, as well as forming trisradical tricationic complexes with viologen radical cations in its doubly reduced bisradical dicationic state, renders it valuable for the construction of various stimuli-responsive materials. Since the first reports in 1988, the little blue box has been featured in over 500 publications in the literature. All this research activity would not have been possible without the seminal contributions carried out by Siegfried Hünig, who not only pioneered the syntheses of viologen-containing cyclophanes, but also revealed their rich redox chemistry in addition to their ability to undergo intramolecular π-dimerization. This Review describes how his pioneering research led to the design and synthesis of the little blue box, and how this redox-active host evolved into the key component of molecular shuttles, switches, and machines.
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Affiliation(s)
- Xiao‐Yang Chen
- Department of ChemistryNorthwestern University2145 Sheridan RoadEvanstonIllinois 60208USA
| | - Hongliang Chen
- Stoddart Institute of Molecular ScienceDepartment of ChemistryZhejiang UniversityHangzhou310027China
- ZJU-Hangzhou Global Scientific and Technological Innovation CenterHangzhou311215China
| | - J. Fraser Stoddart
- Department of ChemistryNorthwestern University2145 Sheridan RoadEvanstonIllinois 60208USA
- Stoddart Institute of Molecular ScienceDepartment of ChemistryZhejiang UniversityHangzhou310027China
- ZJU-Hangzhou Global Scientific and Technological Innovation CenterHangzhou311215China
- School of ChemistryUniversity of New South WalesSydneyNSW 2052Australia
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2
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Kaur J, Mishra V, Singh SK, Gulati M, Kapoor B, Chellappan DK, Gupta G, Dureja H, Anand K, Dua K, Khatik GL, Gowthamarajan K. Harnessing amphiphilic polymeric micelles for diagnostic and therapeutic applications: Breakthroughs and bottlenecks. J Control Release 2021; 334:64-95. [PMID: 33887283 DOI: 10.1016/j.jconrel.2021.04.014] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/12/2021] [Accepted: 04/15/2021] [Indexed: 12/15/2022]
Abstract
Amphiphilic block copolymers are widely utilized in the design of formulations owing to their unique physicochemical properties, flexible structures and functional chemistry. Amphiphilic polymeric micelles (APMs) formed from such copolymers have gained attention of the drug delivery scientists in past few decades for enhancing the bioavailability of lipophilic drugs, molecular targeting, sustained release, stimuli-responsive properties, enhanced therapeutic efficacy and reducing drug associated toxicity. Their properties including ease of surface modification, high surface area, small size, and enhanced permeation as well as retention (EPR) effect are mainly responsible for their utilization in the diagnosis and therapy of various diseases. However, some of the challenges associated with their use are premature drug release, low drug loading capacity, scale-up issues and their poor stability that need to be addressed for their wider clinical utility and commercialization. This review describes comprehensively their physicochemical properties, various methods of preparation, limitations followed by approaches employed for the development of optimized APMs, the impact of each preparation technique on the physicochemical properties of the resulting APMs as well as various biomedical applications of APMs. Based on the current scenario of their use in treatment and diagnosis of diseases, the directions in which future studies need to be carried out to explore their full potential are also discussed.
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Affiliation(s)
- Jaskiran Kaur
- School of Pharmaceutical sciences, Lovely Professional University, Jalandhar-Delhi G.T Road, Phagwara, Punjab, India
| | - Vijay Mishra
- School of Pharmaceutical sciences, Lovely Professional University, Jalandhar-Delhi G.T Road, Phagwara, Punjab, India
| | - Sachin Kumar Singh
- School of Pharmaceutical sciences, Lovely Professional University, Jalandhar-Delhi G.T Road, Phagwara, Punjab, India.
| | - Monica Gulati
- School of Pharmaceutical sciences, Lovely Professional University, Jalandhar-Delhi G.T Road, Phagwara, Punjab, India
| | - Bhupinder Kapoor
- School of Pharmaceutical sciences, Lovely Professional University, Jalandhar-Delhi G.T Road, Phagwara, Punjab, India
| | | | - Gaurav Gupta
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura Mahal Road, Jaipur, India
| | - Harish Dureja
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Krishnan Anand
- Department of Chemical Pathology, School of Pathology, Faculty of Health Sciences and National Health Laboratory Service, University of the Free State, Bloemfontein, South Africa
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW 2007, Australia
| | - Gopal L Khatik
- National Institute of Pharmaceutical Education and Research, Bijnor-Sisendi road, Sarojini Nagar, Lucknow, Uttar Pradesh 226301, India
| | - Kuppusamy Gowthamarajan
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu, India; Centre of Excellence in Nanoscience & Technology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu, India
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3
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Construction of supramolecular hyperbranched polymers based on a tetrathiafulvalene derivative: Self-assembly and charge transfer interaction with TCNQ. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.152823] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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4
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Liang Y, Sun Y, Fu X, Lin Y, Meng Z, Meng Y, Niu J, Lai Y, Sun Y. The effect of π-Conjugation on the self-assembly of micelles and controlled cargo release. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2020; 48:525-532. [PMID: 32037890 DOI: 10.1080/21691401.2020.1725028] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Here we presented a novel micelle self-assembled from amphiphiles with π-conjugated moieties (OEG-DPH). The π-conjugated structural integrity of the micelles enabled stable encapsulation of Nile Red (NR, model drug). The self-assembly behaviour of the amphiphiles and the release profile of NR loaded micelles were investigated. Spherical core-shell structured NR loaded micelles with low CMC of 57 μg/mL and the efficient intracellular delivery process was monitored. This research provided a way to fabricate stable polymeric micelles and develop a practical nanocarrier for therapeutics delivery.
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Affiliation(s)
- Yan Liang
- Department of Pharmaceutics, School of Pharmacy, Qingdao University, Qingdao, China
| | - Yalin Sun
- Department of Pharmaceutics, School of Pharmacy, Qingdao University, Qingdao, China
| | - Xiaoheng Fu
- Department of Clinical laboratory, No.971 Hospital of the People's Liberation Army Navy, Qingdao, China
| | - Yang Lin
- Department of Pharmaceutics, School of Pharmacy, Qingdao University, Qingdao, China
| | - Zhu Meng
- Department of Pharmaceutics, School of Pharmacy, Qingdao University, Qingdao, China
| | - Yanan Meng
- Department of Pharmaceutics, School of Pharmacy, Qingdao University, Qingdao, China
| | - Jiping Niu
- Department of Nursing, Henan Vocational College of Nursing, Anyang, China
| | - Yusi Lai
- Department of Marketing, Sichuan Kelun Pharmaceutical Co, Ltd, Chengdu, China
| | - Yong Sun
- Department of Pharmaceutics, School of Pharmacy, Qingdao University, Qingdao, China
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5
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Townsend EJ, Alotaibi M, Mills BM, Watanabe K, Seddon AM, Faul CFJ. Electroactive Amphiphiles for Addressable Supramolecular Nanostructures. CHEMNANOMAT : CHEMISTRY OF NANOMATERIALS FOR ENERGY, BIOLOGY AND MORE 2018; 4:741-752. [PMID: 31032175 PMCID: PMC6473557 DOI: 10.1002/cnma.201800194] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Indexed: 06/06/2023]
Abstract
In this focus review we aim to highlight an exciting class of materials, electroactive amphiphiles (EAAs). This class of functional amphiphilic molecules has been the subject of sporadic investigations over the last few decades, but little attempt has been made to date to gather or organise these investigations into a logical fashion. Here we attempted to gather the most important contributions, provide a framework in which to discuss them, and, more importantly, point towards the areas where we believe these EAAs will contribute to solving wider scientific problems and open new opportunities. Our discussions cover materials based on low molecular weight ferrocenes, viologens and anilines, as well as examples of polymeric and supramolecular EAAs. With the advances of modern analytical techniques and new tools for modelling and understanding optoelectronic properties, we believe that this area of research is ready for further exploration and exploitation.
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Affiliation(s)
- E. J. Townsend
- School of ChemistryUniversity of BristolCantock's CloseBristolBS8 1TSUK
- Bristol Centre for Functional Nanomaterials H.H. Wills Physics LaboratoryUniversity of BristolTyndall AvenueBristolBS8 1TL
| | - M. Alotaibi
- School of ChemistryUniversity of BristolCantock's CloseBristolBS8 1TSUK
- Chemistry Department Faculty of ScienceKing Abdul Aziz UniversityJeddah, KSA
| | - B. M. Mills
- School of ChemistryUniversity of BristolCantock's CloseBristolBS8 1TSUK
| | - K. Watanabe
- School of ChemistryUniversity of BristolCantock's CloseBristolBS8 1TSUK
- Research Organization of Science and TechnologyRitsumeikan University1-1-1 Noji-higashiKusatsu, Shiga525-8577Japan
| | - A. M. Seddon
- Bristol Centre for Functional Nanomaterials H.H. Wills Physics LaboratoryUniversity of BristolTyndall AvenueBristolBS8 1TL
- School of Physics H.H. Wills Physics LaboratoryUniversity of BristolTyndall AvenueBristolBS8 1TL
| | - C. F. J. Faul
- School of ChemistryUniversity of BristolCantock's CloseBristolBS8 1TSUK
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6
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Chan MHY, Leung SYL, Yam VWW. Controlling Self-Assembly Mechanisms through Rational Molecular Design in Oligo(p-phenyleneethynylene)-Containing Alkynylplatinum(II) 2,6-Bis(N-alkylbenzimidazol-2′-yl)pyridine Amphiphiles. J Am Chem Soc 2018; 140:7637-7646. [DOI: 10.1021/jacs.8b03628] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Michael Ho-Yeung Chan
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, People’s Republic of China
| | - Sammual Yu-Lut Leung
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, People’s Republic of China
| | - Vivian Wing-Wah Yam
- Institute of Molecular Functional Materials (Areas of Excellence Scheme, University Grants Committee (Hong Kong)) and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, People’s Republic of China
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7
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Li X, Poon CT, Hong EYH, Wong HL, Chan AKW, Wu L, Yam VWW. Multi-modulation for self-assemblies of amphiphilic rigid-soft compounds through alteration of solution polarity and temperature. SOFT MATTER 2017; 13:8408-8418. [PMID: 29077127 DOI: 10.1039/c7sm01754e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A new class of small molecule-based amphiphilic carbazole-containing compounds has been designed and synthesized. Detailed analysis of the temperature- and solvent-dependent UV-vis absorption spectra has provided insights into the cooperative self-assembly mechanism of the carbazole-containing compounds. Interestingly, the prepared amphiphilic rigid-soft compounds were also found to display a lower critical solution temperature (LCST) behavior in aqueous solution, which is relatively less explored in small molecule-based materials, leading to promising candidates for the design of a new class of thermo-responsive materials.
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Affiliation(s)
- Xiaoying Li
- State Key Laboratory of Supramolecular Structure and Materials and College of Chemistry, Jilin University, Changchun 130012, P. R. China.
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8
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Cooperative nanoparticle H-type self-assembly of a bolaamphiphilic BODIPY derivative in aqueous medium. POLYMER 2017. [DOI: 10.1016/j.polymer.2016.12.050] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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9
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Fu HLK, Po C, Leung SYL, Yam VWW. Self-Assembled Architectures of Alkynylplatinum(II) Amphiphiles and Their Structural Optimization: A Balance of the Interplay Among Pt···Pt, π-π Stacking, and Hydrophobic-Hydrophobic Interactions. ACS APPLIED MATERIALS & INTERFACES 2017; 9:2786-2795. [PMID: 28079355 DOI: 10.1021/acsami.6b12584] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A series of alkynylplatinum(II) terpyridine complexes with triethylene glycol units was synthesized, and their self-assembly properties were investigated in solution by UV-vis absorption, emission, and 1H NMR spectroscopy. The aggregation behaviors of several water-soluble complexes were investigated in aqueous media. Some of them were found to give rise to uniform fibers, suggesting the important role that triethylene glycol units has in regulating their self-assembly properties. Further modifications of these structures through the incorporation of alkyl chains and changes in counter-anions have rendered the complexes more amphiphilic in nature, and the effect of their alkyl chain lengths was studied and optimized. The distinguishable color and spectral changes upon variations in solvent compositions might have potential applications in developing colorimetric and luminescent probes for the detection of microenvironment change. Furthermore, an optimum chain length, i.e., n-butyl chain, is required for the formation of stable and ordered nanostructures. This represents a delicate balance among Pt···Pt, π-π stacking, and hydrophobic-hydrophobic interactions and provides guiding principles into the construction of supramolecular materials with practical applications.
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Affiliation(s)
- Heidi Li-Ki Fu
- Institute of Molecular Functional Materials, Areas of Excellence Scheme, University Grants Committee, Hong Kong, and Department of Chemistry, The University of Hong Kong , Pokfulam Road, Hong Kong, China
| | - Charlotte Po
- Institute of Molecular Functional Materials, Areas of Excellence Scheme, University Grants Committee, Hong Kong, and Department of Chemistry, The University of Hong Kong , Pokfulam Road, Hong Kong, China
| | - Sammual Yu-Lut Leung
- Institute of Molecular Functional Materials, Areas of Excellence Scheme, University Grants Committee, Hong Kong, and Department of Chemistry, The University of Hong Kong , Pokfulam Road, Hong Kong, China
| | - Vivian Wing-Wah Yam
- Institute of Molecular Functional Materials, Areas of Excellence Scheme, University Grants Committee, Hong Kong, and Department of Chemistry, The University of Hong Kong , Pokfulam Road, Hong Kong, China
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10
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Yang B, Jiang X, Guo Q, Lei T, Zhang LP, Chen B, Tung CH, Wu LZ. Self-Assembled Amphiphilic Water Oxidation Catalysts: Control of O−O Bond Formation Pathways by Different Aggregation Patterns. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201601653] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Bing Yang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Xin Jiang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Qing Guo
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Tao Lei
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Li-Ping Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Bin Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Chen-Ho Tung
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Li-Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences; Chinese Academy of Sciences; Beijing 100190 P.R. China
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11
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Yang B, Jiang X, Guo Q, Lei T, Zhang LP, Chen B, Tung CH, Wu LZ. Self-Assembled Amphiphilic Water Oxidation Catalysts: Control of O−O Bond Formation Pathways by Different Aggregation Patterns. Angew Chem Int Ed Engl 2016; 55:6229-34. [DOI: 10.1002/anie.201601653] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Indexed: 12/22/2022]
Affiliation(s)
- Bing Yang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Xin Jiang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Qing Guo
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Tao Lei
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Li-Ping Zhang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Bin Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Chen-Ho Tung
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Li-Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials; Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences; Chinese Academy of Sciences; Beijing 100190 P.R. China
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12
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Wang XJ, Xing LB, Chen B, Quan Y, Tung CH, Wu LZ. Dual-responsive vesicles formed by an amphiphile containing two tetrathiafulvalene units in aqueous solution. Org Biomol Chem 2016; 14:65-8. [PMID: 26631935 DOI: 10.1039/c5ob02214b] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The first example of tetrathiafulvalene (TTF)-based vesicle fabricated in water solution with 1 vol.% tetrahydrofuran that could be prevented by chemical oxidant Fe(ClO4)3 or electron-deficient cyclobis(paraquat-p-phenylene) tetracation cyclophane (CBPQT(4+)) is described.
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Affiliation(s)
- Xiao-Jun Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, The Chinese Academy of Sciences, Beijing 100190, P. R. China.
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13
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Wang F, Wen M, Feng K, Liang WJ, Li XB, Chen B, Tung CH, Wu LZ. Amphiphilic polymeric micelles as microreactors: improving the photocatalytic hydrogen production of the [FeFe]-hydrogenase mimic in water. Chem Commun (Camb) 2016; 52:457-60. [DOI: 10.1039/c5cc07499a] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An amphiphilic polymeric micelle is utilized as a microreactor to load a hydrophobic [FeFe]-hydrogenase mimic for photocatalytic hydrogen production in water.
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Affiliation(s)
- Feng Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences
- The Chinese Academy of Sciences
- Beijing 100190
- P. R. China
| | - Min Wen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences
- The Chinese Academy of Sciences
- Beijing 100190
- P. R. China
| | - Ke Feng
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences
- The Chinese Academy of Sciences
- Beijing 100190
- P. R. China
| | - Wen-Jing Liang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences
- The Chinese Academy of Sciences
- Beijing 100190
- P. R. China
| | - Xu-Bing Li
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences
- The Chinese Academy of Sciences
- Beijing 100190
- P. R. China
| | - Bin Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences
- The Chinese Academy of Sciences
- Beijing 100190
- P. R. China
| | - Chen-Ho Tung
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences
- The Chinese Academy of Sciences
- Beijing 100190
- P. R. China
| | - Li-Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials
- Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences
- The Chinese Academy of Sciences
- Beijing 100190
- P. R. China
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15
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Arai M, Ito K. Lower Critical Solution Temperature Behaviors of Aromatic Compounds with Oligo(ethylene glycol) Chains. CHEM LETT 2015. [DOI: 10.1246/cl.150596] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Masato Arai
- Department of Chemistry and Chemical Engineering, Graduate School of Science and Engineering, Yamagata University
| | - Kazuaki Ito
- Department of Chemistry and Chemical Engineering, Graduate School of Science and Engineering, Yamagata University
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16
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Brubaker CE, Velluto D, Demurtas D, Phelps EA, Hubbell JA. Crystalline Oligo(ethylene sulfide) Domains Define Highly Stable Supramolecular Block Copolymer Assemblies. ACS NANO 2015; 9:6872-6881. [PMID: 26125494 DOI: 10.1021/acsnano.5b02937] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
With proper control over copolymer design and solvation conditions, self-assembled materials display impressive morphological variety that encompasses nanoscale colloids as well as bulk three-dimensional architectures. Here we take advantage of both hydrophobicity and crystallinity to mediate supramolecular self-assembly of spherical micellar, linear fibrillar, or hydrogel structures by a family of highly asymmetric poly(ethylene glycol)-b-oligo(ethylene sulfide) (PEG-OES) copolymers. Assembly structural polymorphism was achieved with modification of PEG-OES topology (linear versus multiarm) and with precise, monomer-by-monomer control of OES length. Notably, all three morphologies were accessed utilizing OES oligomers with degrees of polymerization as short as three. These exceptionally small assembly forming blocks represent the first application of ethylene sulfide oligomers in supramolecular materials. While the assemblies demonstrated robust aqueous stability over time, oxidation by hydrogen peroxide progressively converted ethylene sulfide residues to increasingly hydrophilic and amorphous sulfoxides and sulfones, causing morphological changes and permanent disassembly. We utilized complementary microscopic and spectroscopic techniques to confirm this chemical stimulus-responsive behavior in self-assembled PEG-OES colloidal dispersions and physical gels. In addition to inherent stimulus-responsive behavior, fibrillar assemblies demonstrated biologically relevant molecular delivery, as confirmed by the dose-dependent activation of murine bone marrow-derived dendritic cells following fibril-mediated delivery of the immunological adjuvant monophosphoryl lipid A. In physical gels composed of either linear or multiarm PEG-OES precursors, rheologic analysis also identified mechanical stimulus-responsive shear thinning behavior. Thanks to the facile preparation, user-defined morphology, aqueous stability, carrier functionality, and stimuli-responsive behaviors of PEG-OES supramolecular assemblies, our findings support a future role for these materials as injectable or implantable biomaterials.
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Affiliation(s)
| | | | | | | | - Jeffrey A Hubbell
- ∥Institute for Molecular Engineering, University of Chicago, Chicago, Illinois 60637, United States
- ⊥Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439, United States
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17
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Aggregation-induced emission behavior of a pincer platinum(II) complex bearing a poly(ethylene oxide) chain in aqueous solution. J Organomet Chem 2014. [DOI: 10.1016/j.jorganchem.2014.08.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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18
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Xing LB, Wang XJ, Gao XW, Chen B, Tung CH, Wu LZ. Self-assembled vesicles from amphiphilic platinum(II) terpyridyl complex in water. Supramol Chem 2014. [DOI: 10.1080/10610278.2014.975706] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Ling-Bao Xing
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry and University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, P.R. China
- School of Chemical Engineering, Shandong University of Technology, Zibo 255049, P.R. China
| | - Xiao-Jun Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry and University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, P.R. China
| | - Xue-Wang Gao
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry and University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, P.R. China
| | - Bin Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry and University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, P.R. China
| | - Chen-Ho Tung
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry and University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, P.R. China
| | - Li-Zhu Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry and University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100190, P.R. China
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Wei P, Cook TR, Yan X, Huang F, Stang PJ. A discrete amphiphilic organoplatinum(II) metallacycle with tunable lower critical solution temperature behavior. J Am Chem Soc 2014; 136:15497-500. [PMID: 25340861 DOI: 10.1021/ja5093503] [Citation(s) in RCA: 93] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Oligo(ethylene glycol) (OEG)-decorated supramolecular assemblies are distinguished by their neutral character and macroscopic temperature-sensitive phase transition behavior. OEG functionalization is an emerging strategy to obtain thermoresponsive macrocyclic amphiphiles, although known methods organize the hydrophilic and hydrophobic segments by covalent bonding. Coordination-driven self-assembly offers an alternative route for organizing OEG-functionalized precursors into nanoscopic architectures, resulting in well-defined metallacycle cores surrounded by hydrophilic scaffolds to impart overall amphiphilic character. Here a tri(ethylene glycol)-functionalized thermosensitive amphiphilic metallacycle was prepared with high efficiency by means of the directional-bonding approach. The ensembles thus formed showed good lower critical solution temperature behavior with a highly sensitive phase separation and excellent reversibility. Moreover, the clouding point decreased with increasing metallacycle concentration and addition of K(+).
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Affiliation(s)
- Peifa Wei
- State Key Laboratory of Chemical Engineering, Department of Chemistry, Zhejiang University , Hangzhou 310027, P. R. China
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Po C, Wing-Wah Yam V. A metallo-amphiphile with unusual memory behaviour: effect of temperature and structure on the self-assembly of triethylene glycol (TEG)–pendant platinum(ii) bzimpy complexes. Chem Sci 2014. [DOI: 10.1039/c4sc01588f] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Wang WK, Chen YY, Wang H, Zhang DW, Liu Y, Li ZT. Tetrathiafulvalene-Based Macrocycles Formed by Radical Cation Dimerization: The Role of Intramolecular Hydrogen Bonding and Solvent. Chem Asian J 2014; 9:1039-44. [DOI: 10.1002/asia.201301729] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2013] [Indexed: 11/07/2022]
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Hata S, Takahashi H, Takahashi Y, Kondo Y. Control of Dual Stimuli-Responsive Vesicle Formation in Aqueous Solutions of Single-Tailed Ferrocenyl Surfactant by Varying pH and Redox Conditions. J Oleo Sci 2014; 63:239-48. [DOI: 10.5650/jos.ess13164] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Li S, Sun T, Yang X, Wang B, Xing P, Hou Y, Su J, Hao A. Light-responsive drug carrier vesicles assembled by cinnamic acid-based peptide. Colloid Polym Sci 2013. [DOI: 10.1007/s00396-013-3005-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Oxidation-induced the Formation of Vesicles from Ferrocene Derivative Superamphiphiles. J CHIN CHEM SOC-TAIP 2012. [DOI: 10.1002/jccs.201200065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Construction and transformation of stimuli-responsive vesicles from the ferrocene derivative supramolecular amphiphiles. Colloids Surf A Physicochem Eng Asp 2012. [DOI: 10.1016/j.colsurfa.2012.05.043] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Xing LB, Yu S, Wang XJ, Wang GX, Chen B, Zhang LP, Tung CH, Wu LZ. Reversible multistimuli-responsive vesicles formed by an amphiphilic cationic platinum(ii) terpyridyl complex with a ferrocene unit in water. Chem Commun (Camb) 2012; 48:10886-8. [DOI: 10.1039/c2cc35960j] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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