1
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Wang T, Wang Z, Xing P, Hao A. Thermal Chiroptical Switch Based on an Ultrahigh Temperature-Initiated Macrocycle Gel Platform. Macromol Rapid Commun 2024:e2400316. [PMID: 38825873 DOI: 10.1002/marc.202400316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 05/22/2024] [Indexed: 06/04/2024]
Abstract
Responsive chiral optical materials have gained considerable interests from the fields of sensing, display, and optical devices. Materials that are capable of changing chiral optics under harsh conditions such as strong basic/acidic or ultrahigh temperature provides thoughts for the design of materials working at special environments, which however, are still underdeveloped. Here, a proof-of-concept design of organogel is reported that acts as matrices for thermal chiroptical switch with critical working temperature above 100 °C. The reversible solution-to-gel transition of the specific β-cyclodextrin/dimethyl formide/LiCl system is initialized at about 130 °C, when the luminophores with aggregation-induced-emission property shall be lighted up with transferred chirality from inherent chiral β-cyclodextrin. It allows for the controlled emergence of circularly polarized luminescence. This delicate design enables successful fabrication of ultrahigh temperature thermal chiroptical switch.
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Affiliation(s)
- Tianhao Wang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, P. R. China
| | - Zhuoer Wang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, P. R. China
| | - Pengyao Xing
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, P. R. China
| | - Aiyou Hao
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, P. R. China
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2
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Hou S, Zhang J, Huang B, Wang X, Xing P. Organic solvent vapor/thermal responsive binary gels with tunable transparency and mechanical strength. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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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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Kida T, Teragaki A, Kalaw JM, Shigemitsu H. Supramolecular organogel formation through three-dimensional α-cyclodextrin nanostructures: solvent chirality-selective organogel formation. Chem Commun (Camb) 2020; 56:7581-7584. [PMID: 32510099 DOI: 10.1039/d0cc02112a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Novel supramolecular organogels were efficiently formed by mixing a 1,1,1,3,3,3-hexafluoro-2-propanol (HFIP) solution of α-cyclodextrin (α-CD) with 1- or 2-butanol via the formation of three-dimensional hexagonal nanostructures composed of head-to-tail α-CD channel assemblies. Mixing (R)- and (S)-2-butanol with an α-CD/HFIP solution realized (S)-2-butanol-selective organogel formation.
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Affiliation(s)
- Toshiyuki Kida
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan.
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5
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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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6
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Iron (III)‐porphyrin Complex FeTSPP as an efficient catalyst for synthesis of tetrazole derivatives
via
[2 + 3]cycloaddition reaction in aqueous medium. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4989] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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7
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Dalal DS, Patil DR, Tayade YA. β‐Cyclodextrin: A Green and Efficient Supramolecular Catalyst for Organic Transformations. CHEM REC 2018; 18:1560-1582. [DOI: 10.1002/tcr.201800016] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Accepted: 05/07/2018] [Indexed: 12/16/2022]
Affiliation(s)
- Dipak S. Dalal
- Department of Organic Chemistry, School of Chemical SciencesNorth Maharashtra University Jalgaon – 425 001 (M. S.) India
| | - Dipak R. Patil
- Department of Organic Chemistry, School of Chemical SciencesNorth Maharashtra University Jalgaon – 425 001 (M. S.) India
| | - Yogesh A. Tayade
- Department of Organic Chemistry, School of Chemical SciencesNorth Maharashtra University Jalgaon – 425 001 (M. S.) India
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8
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Jones CD, Steed JW. Gels with sense: supramolecular materials that respond to heat, light and sound. Chem Soc Rev 2018; 45:6546-6596. [PMID: 27711667 DOI: 10.1039/c6cs00435k] [Citation(s) in RCA: 307] [Impact Index Per Article: 51.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Advances in the field of supramolecular chemistry have made it possible, in many situations, to reliably engineer soft materials to address a specific technological problem. Particularly exciting are "smart" gels that undergo reversible physical changes on exposure to remote, non-invasive environmental stimuli. This review explores the development of gels which are transformed by heat, light and ultrasound, as well as other mechanical inputs, applied voltages and magnetic fields. Focusing on small-molecule gelators, but with reference to organic polymers and metal-organic systems, we examine how the structures of gelator assemblies influence the physical and chemical mechanisms leading to thermo-, photo- and mechano-switchable behaviour. In addition, we evaluate how the unique and versatile properties of smart materials may be exploited in a wide range of applications, including catalysis, crystal growth, ion sensing, drug delivery, data storage and biomaterial replacement.
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Affiliation(s)
| | - Jonathan W Steed
- Department of Chemistry, Durham University, South Road, DH1 3LE, UK.
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9
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Nagatomi H, Yanai N, Kimizuka N. Reentrant Gel–Sol–Gel Transition of a Lipophilic Co(II) Coordination Polymer. CHEM LETT 2018. [DOI: 10.1246/cl.170881] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Hisanori Nagatomi
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Nobuhiro Yanai
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan
- Center for Molecular Systems, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan
- PRESTO, Japan Science and Technology Agency, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Nobuo Kimizuka
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan
- Center for Molecular Systems, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan
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10
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Novel supramolecular organogel based on β-cyclodextrin as a green drug carrier for enhancing anticancer effects. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2017.11.154] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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11
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Xiao T, Zhang X, Wu J, Yang J, Yang Y. Aliphatic-Alcohol-Induced Opaque-to-Transparent Transformation and Application of Solubility Theory in a Bis-Dipeptide-Based Supramolecular Gel. Chempluschem 2017; 82:879-887. [PMID: 31961561 DOI: 10.1002/cplu.201700206] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Indexed: 12/20/2022]
Abstract
A bis-dipeptide supramolecular gelator (DMPV) is prepared, based on l-valine moieties having a pyridinyl group and a long fatty diamine. It is found that the gelator can immobilize organic/water binary mixed solvents, and gel-to-gel transitions with unprecedented opaque-to-transparent transformations are observed upon using aliphatic alcohols such as methanol, ethanol, 1-propyl alcohol, and isopropanol as the organic components. Morphological investigations indicate that a reassembly process occurs, and microstructure evolutions from agglomerates to nanofibers are observed. Opaque and transparent assemblies can interconvert, and respond and restore under mechanical force and pH stimuli. Moreover, Hansen and Flory-Huggins parameters are used to investigate the effect of the solvent on the gelation performance of DMPV. This may facilitate the structure and solvent optimizations and aid the development of advanced gel systems.
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Affiliation(s)
- Tingting Xiao
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Xiaoyang Zhang
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Jingyu Wu
- NARI Group Corporation, State Grid electric Power Research Institute, Nanjing, 211106, P. R. China
| | - Jiazhi Yang
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
| | - Yong Yang
- Key Laboratory of Soft Chemistry and Functional Materials, Ministry of Education, Nanjing University of Science and Technology, Nanjing, 210094, P. R. China
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12
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Song Y, Gao J, Xu X, Zhao H, Xue R, Zhou J, Hong W, Qiu H. Fabrication of thermal sensitive folic acid based supramolecular hybrid gels for injectable drug release gels. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 75:706-713. [PMID: 28415519 DOI: 10.1016/j.msec.2017.02.118] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 10/24/2016] [Accepted: 02/22/2017] [Indexed: 01/11/2023]
Abstract
Thermal sensitive supramolecular hybrid gels for injectable drug release were prepared by adding different amounts of agar into folic acid (FA) gelator. The gelation temperature was modulated in order to form injectable gel with body temperature (37°C). Such kind of folic acid-agar (FAG) hybrid gel makes it possible to use supramolecular gel as injectable drug loaded gels for drug release. FT-IR and UV-vis spectra indicate that agar macromolecules involve in the self-assembly process through intermolecular H-bonding and π-π stacking interactions with FA molecules. The SEM and TEM images demonstrate that the fiber diameter of FAG hybrid gel is about 20nm, much smaller than that of FA gel (40nm). However, FAG hybrid has a denser nano-fibrous network structure than FA gels. Moreover, FAG hybrid gel is endowed with a more ordered network structure and a little better crystallization capability by adding agar. FAG hybrid gel also shows a shear-thinning behavior but the shear viscosity is about 2 times higher than that of FA gel. Compared with FA gel, the storage (G') and loss (G″) moduli of the FAG gel are higher, which implies an enhanced gel strength. At the same time, both FA and FAG gels are facilely affected by some external factors such as acid, base and salts. In acidic or basic conditions, the strength became weak and the gelation temperature (Tg) decreased. While, within certain concentrations, the salt (NaCl) increased the gel strength and Tg. FAG gel suffered lower mass loss and owned better stability in different pH solutions compared with pure FA gel. The release behavior of the FA and injectable FAG gels was investigated by using Rhodamine B as a mimic model drug. FAG hybrid gel shows a long release profile and the release time is 3 times longer than that of FA gel, up to 30h, and the accumulative release amount reaches about 86%. So it is a potential injectable gel for sustained release drug delivery system.
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Affiliation(s)
- Yahui Song
- School of Science, Tianjin University, Tianjin 300072, China
| | - Jianping Gao
- School of Science, Tianjin University, Tianjin 300072, China
| | - Xiaoyang Xu
- School of Science, Tianjin University, Tianjin 300072, China
| | - Huilin Zhao
- School of Science, Tianjin University, Tianjin 300072, China
| | - Ruinan Xue
- School of Science, Tianjin University, Tianjin 300072, China
| | - Jingkuo Zhou
- School of Science, Tianjin University, Tianjin 300072, China
| | - Wei Hong
- School of Science, Tianjin University, Tianjin 300072, China
| | - Haixia Qiu
- School of Science, Tianjin University, Tianjin 300072, China.
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13
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Bhattacharjee S, Maiti B, Bhattacharya S. First report of charge-transfer induced heat-set hydrogel. Structural insights and remarkable properties. NANOSCALE 2016; 8:11224-11233. [PMID: 27187776 DOI: 10.1039/c6nr01128d] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The remarkable ability of a charge-transfer (CT) complex prepared from a pyrene-based donor (Py-D) and a naphthalenediimide-based acceptor (NDI-A) led to the formation of a deep-violet in color, transparent hydrogel at room temperature (RT-gel). Simultaneously, the RT-gel was diluted beyond its critical gelator concentration (CGC) to obtain a transparent sol. Very interestingly, the resultant sol, on heating above 70 °C, transformed into a heat-set gel instantaneously with a hitherto unknown CGC value. Detailed studies revealed the smaller globular aggregates of the RT-gels fuse to form giant globules upon heating, which, in turn, resulted in heat-set gelation through further aggregation. The thermoresponsive property of Py-D alone and 1 : 1 Py-D : NDI-A CT complex was investigated in detail which revealed the hydrophobic collapse of the oxyethylene chains of the CT complex upon heating was mainly responsible for heat-set gelation. Thixotropy, injectability, as well as stimuli responsiveness of the RT-gels were also addressed. In contrast, heat-set gel did not show thixotropic behavior. The X-ray diffraction (XRD) patterns of the xerogel depicted lamellar packing of the CT stacks in the gel phase. Single crystal XRD studies further evidenced the 1 : 1 mixed CT stack formation in the lamellae and also ruled out orthogonal hydrogen bonding possibilities among the hydrazide unit in the CT gel although such interaction was observed in a single crystal of NDI-A alone. In addition, a Ag(+)-ion triggered metallogelation of NDI-A and nematic liquid-crystalline property of Py-D were also observed.
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Affiliation(s)
- Subham Bhattacharjee
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, Karnataka 560012, India
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14
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Zhong DC, Liao LQ, Wang KJ, Liu HJ, Luo XZ. Heat-set gels formed from easily accessible gelators of a succinamic acid derivative (SAD) and a primary alkyl amine (R-NH2). SOFT MATTER 2015; 11:6386-6392. [PMID: 26118365 DOI: 10.1039/c5sm01305d] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Currently, the design and construction of an intelligent stimuli-responsive gel system is still a significant challenge. We present here a new gel system from which the formation of heat-set gels, conventional gels and irreversible heat-set gels can be achieved in aromatic solvents. This gel system is based on two-component gelators containing a succinamic acid derivative (SAD) and a primary alkyl amine (R-NH2). With the increase of temperature to 85 °C, a rarely reported reversible heat-set gel (gel formation with the increase of temperature) is afforded. Upon addition of fatty acids into two-component gelators, a conventional gel (gel formation with the decrease of temperature) is formed. When the fatty acid is replaced with dicarboxylic acid, a new heat-set gel is generated, which is irreversible and thermally super-stable. X-ray diffraction analysis reveals that the formation of a reversible heat-set gel relies on electrostatic interactions, hydrogen bonds, and hydrophobic interactions. These two-component gelators show a perfect gel system for the formation of diverse gels including heat-set gels, conventional gels and irreversible heat-set gels. The tunable strategy demonstrated in this letter may provide a new way for creation of more functional gels in gel science.
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Affiliation(s)
- Di-Chang Zhong
- Key Laboratory of Organo-Pharmaceutical Chemistry of Jiangxi Province, School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou 341000, China.
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15
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Ma M, Shang W, Xing P, Li S, Chu X, Hao A, Liu G, Zhang Y. A supramolecular vesicle of camptothecin for its water dispersion and controllable releasing. Carbohydr Res 2015; 402:208-14. [DOI: 10.1016/j.carres.2014.09.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2014] [Revised: 09/03/2014] [Accepted: 09/25/2014] [Indexed: 01/19/2023]
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16
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A multistimuli-responsive supramolecular vesicle constructed by cyclodextrins and tyrosine. Colloid Polym Sci 2014. [DOI: 10.1007/s00396-014-3424-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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17
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Li Y, Cheng L, Liu C, Xie Y, Liu W, Fan Y, Li X, Fan X. Hierarchical self-assembly of amino acid derivatives into stimuli-responsive luminescent gels. SOFT MATTER 2014; 10:8261-8266. [PMID: 25186913 DOI: 10.1039/c4sm01613k] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
In this study, unique luminescent gels have been obtained from two components between amino acid functionalized perylene derivatives and 4,4'-bipyridyl units via hierarchical self-assembly. The luminescent gels have been investigated by means of ultraviolet spectra (UV), fluorescence spectra, Scanning Electron Microscopy (SEM) and Laser Scanning Confocal Microscopy (LSCM), which illustrate the strong fluorescence intensity of the gels. In order to further reveal the self-assembly driving forces, the two-dimensional (2D) self-assembly behaviours have been studied by scanning tunneling microscopy (STM) on a highly oriented pyrolytic graphite (HOPG) substrate at the solid-liquid interface, which indicates that the driving forces are attributed to the intermolecular hydrogen bonding and π-π stacking interactions. According to the interaction mode, these organogelators are found to rapidly transform from gels to solutions by adding triethylamine.
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Affiliation(s)
- Yibao Li
- Key Laboratory of Organo-pharmaceutical Chemistry, Gannan Normal University, Ganzhou 341000, P. R. China.
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18
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Ma M, Sun T, Xing P, Li Z, Li S, Su J, Chu X, Hao A. A supramolecular curcumin vesicle and its application in controlling curcumin release. Colloids Surf A Physicochem Eng Asp 2014. [DOI: 10.1016/j.colsurfa.2014.06.043] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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19
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Nebot VJ, Ojeda-Flores JJ, Smets J, Fernández-Prieto S, Escuder B, Miravet JF. Rational Design of Heat-Set and Specific-Ion-Responsive Supramolecular Hydrogels Based on the Hofmeister Effect. Chemistry 2014; 20:14465-72. [DOI: 10.1002/chem.201402547] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2014] [Revised: 07/01/2014] [Indexed: 01/03/2023]
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20
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Li Z, Hao A, Li X. β-Cyclodextrin supramolecular organogels induced by different carboxylic acids that exhibit diverse morphologies. J Mol Liq 2014. [DOI: 10.1016/j.molliq.2014.03.025] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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21
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Kleinsmann AJ, Weckenmann NM, Nachtsheim BJ. Phosphate-Triggered Self-Assembly ofN-[(Uracil-5-yl)methyl]urea: A Minimalistic Urea-Derived Hydrogelator. Chemistry 2014; 20:9753-61. [DOI: 10.1002/chem.201402916] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2014] [Indexed: 11/07/2022]
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22
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Ma M, Guan Y, Zhang C, Hao J, Xing P, Su J, Li S, Chu X, Hao A. Stimulus-responsive supramolecular vesicles with effective anticancer activity prepared by cyclodextrin and ftorafur. Colloids Surf A Physicochem Eng Asp 2014. [DOI: 10.1016/j.colsurfa.2014.04.005] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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23
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Li Z, Liu W, Hao A. Gel–sol–gel′ evolution triggered by formic acid. Colloids Surf A Physicochem Eng Asp 2014. [DOI: 10.1016/j.colsurfa.2014.03.044] [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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24
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Yang Z, Ji H. Synergistic effect of hydrogen bonding mediated selective synthesis of benzaldehyde in water. CHINESE JOURNAL OF CATALYSIS 2014. [DOI: 10.1016/s1872-2067(14)60056-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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25
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Hou Y, Li S, Sun T, Yang J, Xing P, Liu W, Hao A. Organogels based on β-cyclodextrin system with molecular recognition property. J INCL PHENOM MACRO 2014. [DOI: 10.1007/s10847-013-0379-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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26
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Foster JA, Edkins RM, Cameron GJ, Colgin N, Fucke K, Ridgeway S, Crawford AG, Marder TB, Beeby A, Cobb SL, Steed JW. Blending gelators to tune gel structure and probe anion-induced disassembly. Chemistry 2014; 20:279-91. [PMID: 24302604 PMCID: PMC3994942 DOI: 10.1002/chem.201303153] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2013] [Indexed: 11/08/2022]
Abstract
Blending different low molecular weight gelators (LMWGs) provides a convenient route to tune the properties of a gel and incorporate functionalities such as fluorescence. Blending a series of gelators having a common bis-urea motif, and functionalised with different amino acid-derived end-groups and differing length alkylene spacers is reported. Fluorescent gelators incorporating 1- and 2-pyrenyl moieties provide a probe of the mixed systems alongside structural and morphological data from powder diffraction and electron microscopy. Characterisation of the individual gelators reveals that although the expected α-urea tape motif is preserved, there is considerable variation in the gelation properties, molecular packing, fibre morphology and rheological behaviour. Mixing of the gelators revealed examples in which: 1) the gels formed separate, orthogonal networks maintaining their own packing and morphology, 2) the gels blended together into a single network, either adopting the packing and morphology of one gelator, or 3) a new structure not seen for either of the gelators individually was created. The strong binding of the urea functionalities to anions was exploited as a means of breaking down the gel structure, and the use of fluorescent gel blends provides new insights into anion-mediated gel dissolution.
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Affiliation(s)
- Jonathan A Foster
- Department of Chemistry, University of DurhamSouth Road, Durham, DH1 3LE (UK)
| | - Robert M Edkins
- Department of Chemistry, University of DurhamSouth Road, Durham, DH1 3LE (UK)
| | - Gary J Cameron
- Department of Chemistry, University of DurhamSouth Road, Durham, DH1 3LE (UK)
| | - Neil Colgin
- Department of Chemistry, University of DurhamSouth Road, Durham, DH1 3LE (UK)
| | - Katharina Fucke
- Department of Chemistry, University of DurhamSouth Road, Durham, DH1 3LE (UK)
| | - Sam Ridgeway
- Department of Chemistry, University of DurhamSouth Road, Durham, DH1 3LE (UK)
| | - Andrew G Crawford
- Department of Chemistry, University of DurhamSouth Road, Durham, DH1 3LE (UK)
| | - Todd B Marder
- Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg97074 Würzburg (Germany)
| | - Andrew Beeby
- Department of Chemistry, University of DurhamSouth Road, Durham, DH1 3LE (UK)
| | - Steven L Cobb
- Department of Chemistry, University of DurhamSouth Road, Durham, DH1 3LE (UK)
| | - Jonathan W Steed
- Department of Chemistry, University of DurhamSouth Road, Durham, DH1 3LE (UK)
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27
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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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28
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Edelsztein VC, Mac Cormack AS, Ciarlantini M, Di Chenna PH. Self-assembly of 2,3-dihydroxycholestane steroids into supramolecular organogels as a soft template for the in-situ generation of silicate nanomaterials. Beilstein J Org Chem 2013; 9:1826-36. [PMID: 24062849 PMCID: PMC3778393 DOI: 10.3762/bjoc.9.213] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Accepted: 08/12/2013] [Indexed: 11/23/2022] Open
Abstract
Supramolecular gels are an important and interesting class of soft materials that show great potential for many applications. Most of them have been discovered serendipitously, and understanding the supramolecular self-assembly that leads to the formation of the gel superstructure is the key to the directed design of new organogels. We report herein the organogelating property of four stereoisomers of the simple steroid 2,3-dihydroxycholestane. Only the isomer with the trans-diaxial hydroxy groups had the ability to gelate a broad variety of liquids and, thus, to be a super-organogelator for hydrocarbons. The scope of solvent gelation was analysed with regard to two solvent parameters, namely the Kamlet-Taft and the Hansen solubility parameters. The best correlation was observed with the Hansen approach that revealed the existence of two clear gelation zones. We propose a general model of self-assembly through multiple intermolecular hydrogen bonds between the 1,2-dihydroxy system, which is based on experimental data and computational simulations revealing the importance of the di-axial orientation of the hydroxy groups for the one-dimensional self-assembly. Under controlled conditions, the fibrillar superstructure of the organogel was successfully used as a template for the in-situ sol-gel polymerization of tetraethoxysilane and the further preparation of silica nanotubes. We propose that the driving forces for templating are hydrogen bonding and electrostatic interactions between the anionic silicate intermediate species and the self-assembled fibrillar network.
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Affiliation(s)
- Valeria C Edelsztein
- Departamento de Química Orgánica and UMYMFOR (CONICET-FCEN), Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón II, Buenos Aires, C1428EGA, Argentina
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29
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Transformation from a heat-set organogel to a room-temperature organogel induced by alcohols. J INCL PHENOM MACRO 2013. [DOI: 10.1007/s10847-013-0335-9] [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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30
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Li J, Fan K, Niu L, Li Y, Song J. Effects of Salt on the Gelation Mechanism of a d-Sorbitol-Based Hydrogelator. J Phys Chem B 2013; 117:5989-95. [DOI: 10.1021/jp400813f] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Jingjing Li
- School of Chemical Engineering and
Technology, Tianjin University, Tianjin,
300072, P. R. China
| | - Kaiqi Fan
- School of Chemical Engineering and
Technology, Tianjin University, Tianjin,
300072, P. R. China
| | - Libo Niu
- School of Chemical Engineering and
Technology, Tianjin University, Tianjin,
300072, P. R. China
| | - Yuanchao Li
- School of Chemical Engineering and
Technology, Tianjin University, Tianjin,
300072, P. R. China
| | - Jian Song
- School of Chemical Engineering and
Technology, Tianjin University, Tianjin,
300072, P. R. China
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31
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Sun T, Yan H, Xing P, Su J, Li S, Hao A. Cu(II)-triggered release of paclitaxel from a supramolecular complex. Supramol Chem 2013. [DOI: 10.1080/10610278.2013.774398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Tao Sun
- a School of Chemistry and Chemical Engineering, Shandong University , Jinan , 250100 , P.R. China
- b Key Laboratory of Colloid and Interface Chemistry of Ministry of Education, Shandong University , Jinan , 250100 , P.R. China
| | - Hui Yan
- c College of Chemistry and Chemical Engineering, Liaocheng University , Liaocheng , 252000 , P.R. China
| | - Pengyao Xing
- a School of Chemistry and Chemical Engineering, Shandong University , Jinan , 250100 , P.R. China
- b Key Laboratory of Colloid and Interface Chemistry of Ministry of Education, Shandong University , Jinan , 250100 , P.R. China
| | - Jie Su
- a School of Chemistry and Chemical Engineering, Shandong University , Jinan , 250100 , P.R. China
- b Key Laboratory of Colloid and Interface Chemistry of Ministry of Education, Shandong University , Jinan , 250100 , P.R. China
| | - Shangyang Li
- a School of Chemistry and Chemical Engineering, Shandong University , Jinan , 250100 , P.R. China
- b Key Laboratory of Colloid and Interface Chemistry of Ministry of Education, Shandong University , Jinan , 250100 , P.R. China
| | - Aiyou Hao
- a School of Chemistry and Chemical Engineering, Shandong University , Jinan , 250100 , P.R. China
- b Key Laboratory of Colloid and Interface Chemistry of Ministry of Education, Shandong University , Jinan , 250100 , P.R. China
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32
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An instant-formative heat-set organogel induced by small organic molecules at a high temperature. Colloids Surf A Physicochem Eng Asp 2013. [DOI: 10.1016/j.colsurfa.2012.12.052] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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33
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Xing P, Li S, Xin F, Hou Y, Hao A, Sun T, Su J. Multi-responsive supramolecular organogel with a crystalline-like structure. Carbohydr Res 2013; 367:18-24. [DOI: 10.1016/j.carres.2012.11.023] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2012] [Revised: 11/23/2012] [Accepted: 11/23/2012] [Indexed: 11/29/2022]
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34
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Xin F, Xing P, Li S, Hou Y, Hao A. A facile method to construct dual-responsive organogels with color changes. RSC Adv 2013. [DOI: 10.1039/c3ra43242d] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
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35
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Xing P, Chu X, Li S, Xin F, Ma M, Hao A. Switchable and orthogonal self-assemblies of anisotropic fibers. NEW J CHEM 2013. [DOI: 10.1039/c3nj00984j] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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36
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Patil DR, Wagh YB, Ingole PG, Singh K, Dalal DS. β-Cyclodextrin-mediated highly efficient [2+3] cycloaddition reactions for the synthesis of 5-substituted 1H-tetrazoles. NEW J CHEM 2013. [DOI: 10.1039/c3nj00569k] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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37
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Xing P, Chu X, Li S, Hou Y, Ma M, Yang J, Hao A. Self-recovering β-cyclodextrin gel controlled by good/poor solvent environments. RSC Adv 2013. [DOI: 10.1039/c3ra42587h] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
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38
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Sun T, Yan H, Liu G, Hao J, Su J, Li S, Xing P, Hao A. Strategy of Directly Employing Paclitaxel To Construct Vesicles. J Phys Chem B 2012. [DOI: 10.1021/jp310261j] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tao Sun
- School of Chemistry and Chemical
Engineering, Key Laboratory of Colloid and Interface
Chemistry of Ministry of Education, Shandong University, Jinan 250100, PR China
| | - Hui Yan
- College of Chemistry and Chemical Engineering, Liaocheng Universtiy, Liaocheng 252000,
PR China
| | - Guangcun Liu
- Qianfoshan Hospital Affiliated to Shandong University, Jinan 250018,
PR China
| | - Jingcheng Hao
- School of Chemistry and Chemical
Engineering, Key Laboratory of Colloid and Interface
Chemistry of Ministry of Education, Shandong University, Jinan 250100, PR China
| | - Jie Su
- School of Chemistry and Chemical
Engineering, Key Laboratory of Colloid and Interface
Chemistry of Ministry of Education, Shandong University, Jinan 250100, PR China
| | - Shangyang Li
- School of Chemistry and Chemical
Engineering, Key Laboratory of Colloid and Interface
Chemistry of Ministry of Education, Shandong University, Jinan 250100, PR China
| | - Pengyao Xing
- School of Chemistry and Chemical
Engineering, Key Laboratory of Colloid and Interface
Chemistry of Ministry of Education, Shandong University, Jinan 250100, PR China
| | - Aiyou Hao
- School of Chemistry and Chemical
Engineering, Key Laboratory of Colloid and Interface
Chemistry of Ministry of Education, Shandong University, Jinan 250100, PR China
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39
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Structure dependent thermo-reversible dissolution of organic molecules based on β-cyclodextrin complexes and its application in preparetive-scale separation of xylene isomers. Colloids Surf A Physicochem Eng Asp 2012. [DOI: 10.1016/j.colsurfa.2012.08.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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40
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Stimuli-responsive supramolecular organogels that exhibit a succession of micro-morphologies. Colloids Surf A Physicochem Eng Asp 2012. [DOI: 10.1016/j.colsurfa.2012.08.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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41
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Liu W, Xing P, Xin F, Hou Y, Sun T, Hao J, Hao A. Novel Double Phase Transforming Organogel Based on β-Cyclodextrin in 1,2-Propylene Glycol. J Phys Chem B 2012; 116:13106-13. [DOI: 10.1021/jp306462z] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Wenqi Liu
- Key Laboratory of Colloid and Interface
Chemistry (Shandong University), Ministry
of Education, Jinan 250100, P. R. China
| | - Pengyao Xing
- Key Laboratory of Colloid and Interface
Chemistry (Shandong University), Ministry
of Education, Jinan 250100, P. R. China
| | - Feifei Xin
- Key Laboratory of Colloid and Interface
Chemistry (Shandong University), Ministry
of Education, Jinan 250100, P. R. China
| | - Yuehui Hou
- Key Laboratory of Colloid and Interface
Chemistry (Shandong University), Ministry
of Education, Jinan 250100, P. R. China
| | - Tao Sun
- Key Laboratory of Colloid and Interface
Chemistry (Shandong University), Ministry
of Education, Jinan 250100, P. R. China
| | - Jingcheng Hao
- Key Laboratory of Colloid and Interface
Chemistry (Shandong University), Ministry
of Education, Jinan 250100, P. R. China
| | - Aiyou Hao
- Key Laboratory of Colloid and Interface
Chemistry (Shandong University), Ministry
of Education, Jinan 250100, P. R. China
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42
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Ikeda M, Ochi R, Kurita YS, Pochan DJ, Hamachi I. Heat-Induced Morphological Transformation of Supramolecular Nanostructures by Retro-Diels-Alder Reaction. Chemistry 2012; 18:13091-6. [DOI: 10.1002/chem.201201670] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2012] [Revised: 07/04/2012] [Indexed: 11/11/2022]
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43
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Xin F, Zhang H, Hao B, Sun T, Kong L, Li Y, Hou Y, Li S, Zhang Y, Hao A. Controllable transformation from sensitive and reversible heat-set organogel to stable gel induced by sodium acetate. Colloids Surf A Physicochem Eng Asp 2012. [DOI: 10.1016/j.colsurfa.2012.06.008] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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44
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Chen J, Song LX, Yang J, Xia J, Shao ZC. Distinctive electronic structure, unusual magnetic properties and large enhancement in SERS of 1D gallium nanoribbons achieved by doping calix[6]arene. ACTA ACUST UNITED AC 2012. [DOI: 10.1039/c2jm00082b] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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45
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Lithium chloride-induced organogel transformed from precipitate based on cyclodextrin complexes. Colloids Surf A Physicochem Eng Asp 2011. [DOI: 10.1016/j.colsurfa.2011.09.049] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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46
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Song LX, Pan SZ, Bai L, Dang Z, Du FY, Chen J. Functional significance of molecule–ion interactions between a series of inorganic salts and β-cyclodextrin. Supramol Chem 2011. [DOI: 10.1080/10610278.2010.544737] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Le Xin Song
- a CAS Key Laboratory of Soft Matter Chemistry , University of Science and Technology of China , Hefei, 230026, P.R. China
- b Department of Chemistry , University of Science and Technology of China , Hefei, 230026, P.R. China
| | - Shu Zhen Pan
- b Department of Chemistry , University of Science and Technology of China , Hefei, 230026, P.R. China
| | - Lei Bai
- b Department of Chemistry , University of Science and Technology of China , Hefei, 230026, P.R. China
| | - Zheng Dang
- a CAS Key Laboratory of Soft Matter Chemistry , University of Science and Technology of China , Hefei, 230026, P.R. China
| | - Fang Yun Du
- a CAS Key Laboratory of Soft Matter Chemistry , University of Science and Technology of China , Hefei, 230026, P.R. China
| | - Jie Chen
- b Department of Chemistry , University of Science and Technology of China , Hefei, 230026, P.R. China
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47
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Sanwlani S, Kumar P, Bohidar HB. Hydration of gelatin molecules in glycerol-water solvent and phase diagram of gelatin organogels. J Phys Chem B 2011; 115:7332-40. [PMID: 21563783 DOI: 10.1021/jp201877d] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We present a systematic investigation of hydration and gelation of the polypeptide gelatin in water-glycerol mixed solvent (glycerol solutions). Raman spectroscopy results indicated enhancement in water structure in glycerol solutions and the depletion of glycerol density close to hydration sheath of the protein molecule. Gelation concentration (c(g)) was observed to decrease from 1.92 to 1.15% (w/v) while the gelation temperature (T(g)) was observed to increase from 31.4 to 40.7 °C with increase in glycerol concentration. Data on hand established the formation of organogels having interconnected networks, and the universal gelation mechanism could be described through an anomalous percolation model. The viscosity of sol diverged as η ∼ (1 - c(g)/c)(-k) as c(g) was approached from below (c < c(g)), while the elastic storage modulus grew as G' ∼ (c/c(g) - 1)(t) (for c > c(g)). It is important to note that values determined for critical exponents k and t were universal; that is, they did not depend on the microscopic details. The measured values were k = 0.38 ± 0.10 and t = 0.92 ± 0.17 whereas the percolation model predicts k = 0.7-1.3 and t = 1.9. Isothermal frequency sweep studies showed power-law dependence of gel storage modulus (G') and loss modulus (G'') on oscillation frequency ω given as G'(ω) ∼ ω(n') and G''(ω) ∼ ω(n''), and consistent with percolation model prediction it was found that n' ≈ n'' ≈ δ ≈ 0.73 close to gelation concentration. We propose a unique 3D phase diagram for the gelatin organogels. Circular dichroism data revealed that the gelatin molecules retained their biological activity in these solvents. Thus, it is shown that the thermomechanical properties of these organogels could be systematically tuned and customized as per application requirement.
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Affiliation(s)
- Shilpa Sanwlani
- Polymer and Biophysics Laboratory, School of Physical Sciences, Jawaharlal Nehru University, New Delhi, India
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48
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Park JS, Jeong S, Chang DW, Kim JP, Kim K, Park EK, Song KW. Lithium-induced supramolecular hydrogel. Chem Commun (Camb) 2011; 47:4736-8. [PMID: 21409283 DOI: 10.1039/c1cc10532a] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We describe a novel anisotropic supramolecular gel made of cyclodextrin-dye, in which physical gelation is completed by lithium salt. Rheological experiment reveals the elastic behaviors of the hydrogel, and high ionic conductivity represents a good mobility of ions inside the gel matrix.
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Affiliation(s)
- Jong S Park
- Laboratory of Polymer and Electronic Materials, Department of Nano Engineering & Textile Industry, Dong-A University, Busan 604-714, Korea.
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49
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Sheepwash E, Krampl V, Scopelliti R, Sereda O, Neels A, Severin K. Molecular Networks Based on Dative Boron-Nitrogen Bonds. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201007225] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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50
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Sheepwash E, Krampl V, Scopelliti R, Sereda O, Neels A, Severin K. Molecular Networks Based on Dative Boron-Nitrogen Bonds. Angew Chem Int Ed Engl 2011; 50:3034-7. [DOI: 10.1002/anie.201007225] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2010] [Revised: 01/04/2010] [Indexed: 11/07/2022]
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