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Zhang Y, Zhang J, Xu S, Shi G, He Y, Qiao X, Pang X. BaTiO 3 Catalyzed Ultrasonic-Driven Piezoelectric-Induced Reversible Addition-Fragmentation Chain-Transfer Polymerization in Aqueous Media. Macromol Rapid Commun 2024:e2400235. [PMID: 38742492 DOI: 10.1002/marc.202400235] [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: 04/15/2024] [Revised: 05/04/2024] [Indexed: 05/16/2024]
Abstract
Compared with normal stimulus such as light and heat, ultrasonic possesses much deeper penetration into tissues and organs and has lower scattering in heterogeneous systems as a noninvasive stimulus. Reversible addition-fragmentation chain-transfer polymerization (RAFT) in aqueous media is performed in a commercial ultrasonic wash bath with 40 kHz frequency ultrasonic, in the presence of piezoelectric tetragonal BaTiO3 (BTO) nanoparticles. Owing to the electron transfer from BTO under the ultrasonic action, the water can be decomposed to produce hydroxyl radical (HO•) and initiate the RAFT polymerization (piezo-RAFT). The piezo-RAFT polymerization exhibits features of controllable and livingness, such as linear increase of molar mass and narrow molar mass distributions (Mw/Mn < 1.20). Excellent temporal control of the polymerization and the chain fidelity of polymers are illustrated by "ON and OFF" experiment and chain extension, separately. Moreover, this ultrasonic-driven piezoelectric-induced RAFT polymerization in aqueous media can be directly used for the preparation of piezoelectric hydrogel which have potential application for stress sensor.
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Affiliation(s)
- Yu Zhang
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, China
| | - Junle Zhang
- Faculty of Engineering, Huanghe Science and Technology College, Zhengzhou, 450063, China
| | - Shuo Xu
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, China
| | - Ge Shi
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, China
| | - Yanjie He
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, China
| | - Xiaoguang Qiao
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, China
- College of Materials Engineering, Henan International Joint Laboratory of Rare Earth Composite Materials, Henan Engineering Technology Research Center for Fiber Preparation and Modification, Henan University of Engineering, Zhengzhou, 451191, China
| | - Xinchang Pang
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, China
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2
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Jicsinszky L, Bucciol F, Chaji S, Cravotto G. Mechanochemical Degradation of Biopolymers. Molecules 2023; 28:8031. [PMID: 38138521 PMCID: PMC10745761 DOI: 10.3390/molecules28248031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 12/03/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023] Open
Abstract
Mechanochemical treatment of various organic molecules is an emerging technology of green processes in biofuel, fine chemicals, or food production. Many biopolymers are involved in isolating, derivating, or modifying molecules of natural origin. Mechanochemistry provides a powerful tool to achieve these goals, but the unintentional modification of biopolymers by mechanochemical manipulation is not always obvious or even detectable. Although modeling molecular changes caused by mechanical stresses in cavitation and grinding processes is feasible in small model compounds, simulation of extrusion processes primarily relies on phenomenological approaches that allow only tool- and material-specific conclusions. The development of analytical and computational techniques allows for the inline and real-time control of parameters in various mechanochemical processes. Using artificial intelligence to analyze process parameters and product characteristics can significantly improve production optimization. We aim to review the processes and consequences of possible chemical, physicochemical, and structural changes.
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Affiliation(s)
- László Jicsinszky
- Department of Drug Science and Technology, University of Turin, 10125 Turin, Italy; (F.B.); (S.C.)
| | | | | | - Giancarlo Cravotto
- Department of Drug Science and Technology, University of Turin, 10125 Turin, Italy; (F.B.); (S.C.)
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Salam MA, Imdadulhaq ES, Al-Romaizan AN, Saleh TS, Mostafa MMM. Ultrasound-Assisted 1,3-Dipolar Cycloadditions Reaction Utilizing Ni-Mg-Fe LDH: A Green and Sustainable Perspective. Catalysts 2023. [DOI: 10.3390/catal13040650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023] Open
Abstract
Ultrasound-assisted synthesis of novel pyrazoles using Ni-Mg-Fe LDH as a catalyst in cyclopentyl methyl ether (CPME) is introduced. Different LDHs were tested as a catalyst for the synthesis of pyrazoles via a 1,3-dipolar cycloaddition reaction. Among them, Ni-Mg-Fe LDH was the superior catalyst for this reaction. This protocol offered high yields, a short reaction time, and a green solvent, and with the reuse of this catalyst six times with the same activity, it could be regarded as an ecofriendly, greener process. The NiMgFe LDH catalyst with the smallest particle size (29 nm) and largest surface area showed its superior efficacy for the 1,3 dipolar cycloaddition rection and can be successfully used in up to six catalytic cycles with little loss of catalytic activity. A plausible mechanism for this reaction over the Ni-Mg-Fe LDH is proposed.
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Zare M, Alfonso-Muniozguren P, Bussemaker MJ, Sears P, Serna-Galvis EA, Torres-Palma RA, Lee J. A fundamental study on the degradation of paracetamol under single- and dual-frequency ultrasound. ULTRASONICS SONOCHEMISTRY 2023; 94:106320. [PMID: 36780809 PMCID: PMC9925978 DOI: 10.1016/j.ultsonch.2023.106320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/26/2023] [Accepted: 02/02/2023] [Indexed: 06/18/2023]
Abstract
The degradation of paracetamol, a widely found emerging pharmaceutical contaminant, was investigated under a wide range of single-frequency and dual-frequency ultrasonic irradiations. For single-frequency ultrasonic irradiation, plate transducers of 22, 98, 200, 300, 400, 500, 760, 850, 1000, and 2000 kHz were employed and for dual-frequency ultrasonic irradiation, the plate transducers were coupled with a 20 kHz ultrasonic horn in opposing configuration. The sonochemical activity was quantified using two dosimetry methods to measure the yield of HO• and H2O2 separately, as well as sonochemiluminescence measurement. Moreover, the severity of the bubble collapses as well as the spatial and size distribution of the cavitation bubbles were evaluated via sonoluminescence measurement. The paracetamol degradation rate was maximised at 850 kHz, in both single and dual-frequency ultrasonic irradiation. A synergistic index higher than 1 was observed for all degrading frequencies (200 - 1000 kHz) under dual-frequency ultrasound irradiation, showing the capability of dual-frequency system for enhancing pollutant degradation. A comparison of the results of degradation, dosimetry, and sonoluminescence intensity measurement revealed the stronger dependency of the degradation on the yield of HO• for both single and dual-frequency systems, which confirms degradation by HO• as the main removal mechanism. However, an enhanced degradation for frequencies higher than 500 kHz was observed despite a lower HO• yield, which could be attributed to the improved mass transfer of hydrophilic compounds at higher frequencies. The sonoluminescence intensity measurements showed that applying dual-frequency ultrasonic irradiation for 200 and 400 kHz made the bubbles larger and less uniform in size, with a portion of which not contributing to the yield of reactive oxidant species, whereas for the rest of the frequencies, dual-frequency ultrasound irradiation made the cavitation bubbles smaller and more uniform, resulting in a linear correlation between the overall sonoluminescence intensity and the yield of reactive oxidant species.
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Affiliation(s)
- Mehrdad Zare
- School of Chemistry and Chemical Engineering, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - Pello Alfonso-Muniozguren
- School of Chemistry and Chemical Engineering, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - Madeleine J Bussemaker
- School of Chemistry and Chemical Engineering, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - Patrick Sears
- School of Chemistry and Chemical Engineering, University of Surrey, Guildford GU2 7XH, United Kingdom
| | - Efraím A Serna-Galvis
- Grupo de Investigación en Remediación Ambiental y Biocatálisis (GIRAB), Instituto de Química, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia UdeA, Calle 70 # 52-21, Medellín, Colombia; Grupo de Catalizadores y Adsorbentes (CATALAD), Instituto de Química, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia UdeA, Calle 70 # 52-21, Medellín, Colombia
| | - Ricardo A Torres-Palma
- Grupo de Investigación en Remediación Ambiental y Biocatálisis (GIRAB), Instituto de Química, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia UdeA, Calle 70 # 52-21, Medellín, Colombia
| | - Judy Lee
- School of Chemistry and Chemical Engineering, University of Surrey, Guildford GU2 7XH, United Kingdom.
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Liu Z, Zhao X, Chu Q, Feng Y. Recent Advances in Stimuli-Responsive Metallogels. Molecules 2023; 28:molecules28052274. [PMID: 36903517 PMCID: PMC10005064 DOI: 10.3390/molecules28052274] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/20/2023] [Accepted: 02/23/2023] [Indexed: 03/05/2023] Open
Abstract
Recently, stimuli-responsive supramolecular gels have received significant attention because their properties can be modulated through external stimuli such as heat, light, electricity, magnetic fields, mechanical stress, pH, ions, chemicals and enzymes. Among these gels, stimuli-responsive supramolecular metallogels have shown promising applications in material science because of their fascinating redox, optical, electronic and magnetic properties. In this review, research progress on stimuli-responsive supramolecular metallogels in recent years is systematically summarized. According to external stimulus sources, stimuli-responsive supramolecular metallogels, including chemical, physical and multiple stimuli-responsive metallogels, are discussed separately. Moreover, challenges, suggestions and opportunities regarding the development of novel stimuli-responsive metallogels are presented. We believe the knowledge and inspiration gained from this review will deepen the current understanding of stimuli-responsive smart metallogels and encourage more scientists to provide valuable contributions to this topic in the coming decades.
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Affiliation(s)
- Zhixiong Liu
- School of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, China
- Correspondence: (Z.L.); (Y.F.)
| | - Xiaofang Zhao
- School of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, China
| | - Qingkai Chu
- School of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, China
| | - Yu Feng
- School of Materials Science and Engineering, Changzhou University, Changzhou 213164, China
- Correspondence: (Z.L.); (Y.F.)
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6
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Hornink MM, Rodrigues BG, Santos CS, Andrade LH. Continuous one-pot synthesis of new spiro-fused indoles from biobased building blocks using carbamoylation and imidation reactions under ultrasonic irradiation. J Flow Chem 2023. [DOI: 10.1007/s41981-023-00261-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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7
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Wang J, Gao X, Boarino A, Célerse F, Corminboeuf C, Klok HA. Mechanical Acceleration of Ester Bond Hydrolysis in Polymers. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jian Wang
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères, École Polytechnique Fédérale de Lausanne (EPFL), Bâtiment MXD, Station 12, CH-1015Lausanne, Switzerland
| | - Xiaobin Gao
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères, École Polytechnique Fédérale de Lausanne (EPFL), Bâtiment MXD, Station 12, CH-1015Lausanne, Switzerland
| | - Alice Boarino
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères, École Polytechnique Fédérale de Lausanne (EPFL), Bâtiment MXD, Station 12, CH-1015Lausanne, Switzerland
| | - Frédéric Célerse
- Institute of Chemical Sciences and Engineering and National Centre for Computational Design and Discovery of Novel Materials (MARVEL), Laboratory for Computational Molecular Design, 1015Lausanne, Switzerland
| | - Clémence Corminboeuf
- Institute of Chemical Sciences and Engineering and National Centre for Computational Design and Discovery of Novel Materials (MARVEL), Laboratory for Computational Molecular Design, 1015Lausanne, Switzerland
| | - Harm-Anton Klok
- Institut des Matériaux and Institut des Sciences et Ingénierie Chimiques, Laboratoire des Polymères, École Polytechnique Fédérale de Lausanne (EPFL), Bâtiment MXD, Station 12, CH-1015Lausanne, Switzerland
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8
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Liu K, Zhang W, Zong L, He Y, Zhang X, Liu M, Shi G, Qiao X, Pang X. Dimensional Optimization for ZnO-Based Mechano-ATRP with Extraordinary Activity. J Phys Chem Lett 2022; 13:4884-4890. [PMID: 35617686 DOI: 10.1021/acs.jpclett.2c01106] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Various piezoelectric nanomaterials were utilized in ultrasound-mediated atom transfer radical polymerization (ATRP), owing to their outstanding piezoelectric effect. However, the relationship between the morphology of those piezocatalysts and polymerization has not been clearly established. Herein, we employed different piezoelectric zinc oxide (ZnO) nanomaterials to achieve novel mechano-induced ATRP (mechano-ATRP). Based on the synergistic effect of piezoelectric properties and specific surface area, the catalytic activity of 1D ZnO nanorods (1D-ZnO NRs) with increased aspect ratio outperformed that of 0D ZnO nanoparticles (0D-ZnO NPs). Compared to the conventional ATRP system, this system exhibited extraordinary activity toward the less activated monomer acrylonitrile (67% conversion after 6 h), with a narrow molecular weight distribution (polydispersity index ∼ 1.19). Furthermore, implications of ZnO loading, copper salt amount, degree of polymerization, monomer, and solvent were also studied for the highly efficient mechano-ATRP.
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Affiliation(s)
- Kaixin Liu
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Wenjie Zhang
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Lingxin Zong
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Yanjie He
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Xiaomeng Zhang
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Minying Liu
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Ge Shi
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Xiaoguang Qiao
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
- College of Materials Engineering; Henan International Joint Laboratory of Rare Earth Composite Materials, Henan University of Engineering, Zhengzhou 451191, China
| | - Xinchang Pang
- Henan Joint International Research Laboratory of Living Polymerizations and Functional Nanomaterials, Henan Key Laboratory of Advanced Nylon Materials and Application, School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, China
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9
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Hornink MM, Nascimento VR, Couto JL, Santos CS, Andrade LH. Ultrasound-mediated radical cascade reactions: Fast synthesis of functionalized indolines from 2-(((N-aryl)amino)methyl)acrylates. ULTRASONICS SONOCHEMISTRY 2021; 79:105778. [PMID: 34649162 PMCID: PMC8517378 DOI: 10.1016/j.ultsonch.2021.105778] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 09/15/2021] [Accepted: 10/01/2021] [Indexed: 06/13/2023]
Abstract
Novel functionalized indolines were synthesized from 2-(((N-aryl)amino)methyl)acrylates and formamides under ultrasonic irradiation for the first time. Aiming to develop a straightforward and easy-to-implement methodology for the synthesis of indolines, an instrumentation setup was designed, including ultrasound (US) equipment (Ultrasonic Horn; tip diameter of 12.7 mm, 20 kHz, maximum power of 400 W), an open reaction flask, and an inexpensive and green catalyst (1 mol%; FeSO4·7H2O; CAS: 7782-63-0) without the need for anhydrous conditions. The use of the sono-Fenton process in the presence of formamides and 2-(((N-aryl)amino)methyl)acrylates afforded a broad range of functionalized indolines within 60 s in high yields. Several experimental parameters of the ultrasound-assisted reaction were evaluated, such as amplitude (40-80%), sonication time (15-60 s), and pulsed ultrasonic irradiation. A 60 s silent reaction did not produce the desired indoline. The optimized conditions for US-mediated reactions allowed the production of functionalized indolines in high isolated yields (up to 99%, 60 s reaction, pulse ration 1 s:1 s, US amplitude 60 %).
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Affiliation(s)
- Milene M Hornink
- Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes, 748, CEP 05508-000 São Paulo, SP, Brazil
| | - Vinicius R Nascimento
- Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes, 748, CEP 05508-000 São Paulo, SP, Brazil
| | - Julia L Couto
- Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes, 748, CEP 05508-000 São Paulo, SP, Brazil
| | - Caroline S Santos
- Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes, 748, CEP 05508-000 São Paulo, SP, Brazil
| | - Leandro H Andrade
- Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes, 748, CEP 05508-000 São Paulo, SP, Brazil.
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10
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Guo J, Li Y, Zhang Y, Ren J, Yu X, Cao X. Switchable Supramolecular Configurations of Al 3+/LysTPY Coordination Polymers in a Hydrogel Network Controlled by Ultrasound and Heat. ACS APPLIED MATERIALS & INTERFACES 2021; 13:40079-40087. [PMID: 34379399 DOI: 10.1021/acsami.1c10150] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Coordination-driven self-assembly with controllable properties has attracted increasing interest because of its potential in biological events and material science. Herein, we report on the remote, instant, and switchable control of competitive coordination interactions via ultrasound and heat stimuli in a hydrogel network. Configurational coordination changes result in the transformation of blue-emissive and opaque Al3+-amide aggregations to yellow-green-emissive and transparent Al3+-terpyridine aggregations. Interestingly, circularly polarized luminescence "off-on" switches of the metallo-supramolecular assembly are also created by these configuration changes. Additionally, the impact of the stoichiometric ratio of Al3+ and LysTPY on the assembly is also studied in detail. With a higher content of Al3+, the hydrogel with branched and abundant junctions exhibited robust, self-healing, and self-supporting properties. This in-depth understanding of the coordination interaction adjustment will afford new insights into the preparation of stimuli-responsive metallogels.
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Affiliation(s)
- Jiangbo Guo
- College of Science, Hebei Research Center of Pharmaceutical and Chemical Engineering, Hebei University of Science and Technology, Yuhua Road 70, Shijiazhuang 050080, PR China
| | - Yajuan Li
- College of Science, Hebei Research Center of Pharmaceutical and Chemical Engineering, Hebei University of Science and Technology, Yuhua Road 70, Shijiazhuang 050080, PR China
| | - Yajun Zhang
- College of Science, Hebei Research Center of Pharmaceutical and Chemical Engineering, Hebei University of Science and Technology, Yuhua Road 70, Shijiazhuang 050080, PR China
| | - Jujie Ren
- College of Science, Hebei Research Center of Pharmaceutical and Chemical Engineering, Hebei University of Science and Technology, Yuhua Road 70, Shijiazhuang 050080, PR China
| | - Xudong Yu
- College of Science, Hebei Research Center of Pharmaceutical and Chemical Engineering, Hebei University of Science and Technology, Yuhua Road 70, Shijiazhuang 050080, PR China
| | - Xinhua Cao
- College of Chemistry and Chemical Engineering & Green Catalysis and Synthesis Key Laboratory of Xinyang City, Xinyang Normal University, Nanhu Road 237, Xinyang 464000, PR China
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11
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Santos D, Hagemann Cauduro V, Wohlmann W, Bizzi CA, Mello PA, Flores EMM. Ultrasound-assisted conversion of tannic acid to gallic acid as a strategy to obtain value-added products. ULTRASONICS SONOCHEMISTRY 2021; 72:105442. [PMID: 33388694 PMCID: PMC7803818 DOI: 10.1016/j.ultsonch.2020.105442] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 12/15/2020] [Accepted: 12/19/2020] [Indexed: 06/12/2023]
Abstract
In this work, ultrasound was applied for the conversion of tannic acid into gallic acid using only diluted H2O2 as reagent. Experiments were carried out using several types of ultrasonic horns operating at 20 kHz (VC750W processor). The following experimental conditions were evaluated: H2O2 concentration (0.2 to 8.5 mol L-1), horn type (10 to 25 mm of diameter), ultrasound amplitude (20 to 70%), sonication time (10 to 45 min), tannic acid concentration (170 to 1360 mg L-1), and reaction temperature (50 to 90 °C). Gallic acid production was monitored with ultra-performance liquid chromatography with high-resolution time-of-flight mass spectrometry (UPLC-ToF-MS). The isolated gallic acid was confirmed with nuclear magnetic resonance (1H and 13C NMR). It is important to emphasize that this study was developed as a proof of concept to demonstrate the potential of ultrasound for tannic acid conversion into gallic acid using just diluted H2O2. Under selected conditions gallic acid production yield was 128 ± 4 mg g-1 of initial tannic acid (using 170 mg L-1 of tannic acid as starting material). Reaction time was set as 30 min, which was carried out using 1 mol L-1 H2O2 and ultrasound amplitude of 50% at 90 °C. At silent conditions (mechanical stirring, from 100 to 1000 rpm), gallic acid production was halved (less than 78 ± 4 mg g-1 of initial tannic acid).
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Affiliation(s)
- Daniel Santos
- Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil
| | | | - Wilian Wohlmann
- Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil
| | - Cezar A Bizzi
- Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil
| | - Paola A Mello
- Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil
| | - Erico M M Flores
- Departamento de Química, Universidade Federal de Santa Maria, 97105-900 Santa Maria, RS, Brazil.
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12
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Wang S, Chen D, Chen Y, Zhu K. Dispersion stability and tribological properties of additives introduced by ultrasonic and microwave assisted ball milling in oil. RSC Adv 2020; 10:25177-25185. [PMID: 35517462 PMCID: PMC9055321 DOI: 10.1039/d0ra03414b] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 06/26/2020] [Indexed: 11/21/2022] Open
Abstract
Graphene and MoS2 were modified by organic molecules to obtain modified reduced graphene oxide (MRGO) and modified molybdenum disulfide (MMD) powders. MRGO and MMD were uniformly dispersed in base oil (PAO6) by ultrasonic and microwave assisted ball milling (UMBM). This study tested the dispersion stability and tribological properties of additives in the oil, and analyzed the elements of the friction surface. Besides, the mechanism of anti-friction and anti-wear was discussed. The results show that the UMBM method is an effective way to introduce additives in lubricating oil. Compared with direct addition, it can effectively improve the dispersion stability of additives in the oil, so that additives can be better deposited and adsorbed on the friction surface in the friction process, and improve the tribological properties of lubricating oil.
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Affiliation(s)
- Siyuan Wang
- State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University 410082 Changsha China
| | - Ding Chen
- State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University 410082 Changsha China .,College of Materials Science and Engineering, Hunan University 410082 Changsha China
| | - Yaotong Chen
- College of Materials Science and Engineering, Hunan University410082 ChangshaChina
| | - Kaiji Zhu
- State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University 410082 Changsha China
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13
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Yan J, Ai S, Yang F, Zhang K, Huang Y. Study on mechanism of chitosan degradation with hydrodynamic cavitation. ULTRASONICS SONOCHEMISTRY 2020; 64:105046. [PMID: 32145520 DOI: 10.1016/j.ultsonch.2020.105046] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 02/24/2020] [Accepted: 02/24/2020] [Indexed: 06/10/2023]
Abstract
Hydrodynamic cavitation is an effective method for chitosan degradation, of which the mechanism directly determines the molecular weight distribution of degradation products. In this study, based on the Monte Carlo simulation and experimental results, the mechanism of chitosan degradation with hydrodynamic cavitation and molecular weight distribution of products were analyzed. The results showed that the algorithm established in the simulation could effectively analyze degradation mechanism and the factors that influenced degradation mechanism and molecular weight distribution of products. The degradation with hydrodynamic cavitation was caused by chemical and mechanical effects, of which the former dominated the degradation process. The outlet and inlet angles and throat length of the cavitator had major and minor influences on the degradation pattern, respectively. The chemical effect led to random cuts resulting in wide distribution of the products, while the mechanical effect led to central cuts resulting in narrow distribution of the products. With more central cuts, the slide-shaped molecular weight distribution curve of degradation products was gradually transferred into a bell-shaped curve. These results provide instructions for researches on the molecular weight distribution of chitosan products degraded with hydrodynamic cavitation.
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Affiliation(s)
- Jingchen Yan
- Guangxi Key Laboratory of Green Processing of Sugar Resources (Guangxi University of Science and Technology), Liuzhou 545006, Guangxi, PR China; School of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou 545006, Guangxi, PR China
| | - Shuo Ai
- Guangxi Key Laboratory of Green Processing of Sugar Resources (Guangxi University of Science and Technology), Liuzhou 545006, Guangxi, PR China; School of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou 545006, Guangxi, PR China
| | - Feng Yang
- Guangxi Key Laboratory of Green Processing of Sugar Resources (Guangxi University of Science and Technology), Liuzhou 545006, Guangxi, PR China; School of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou 545006, Guangxi, PR China
| | - Kunming Zhang
- Guangxi Key Laboratory of Green Processing of Sugar Resources (Guangxi University of Science and Technology), Liuzhou 545006, Guangxi, PR China; School of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou 545006, Guangxi, PR China
| | - Yongchun Huang
- Guangxi Key Laboratory of Green Processing of Sugar Resources (Guangxi University of Science and Technology), Liuzhou 545006, Guangxi, PR China; School of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou 545006, Guangxi, PR China.
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14
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Giannakoudakis DA, Chatel G, Colmenares JC. Mechanochemical Forces as a Synthetic Tool for Zero- and One-Dimensional Titanium Oxide-Based Nano-photocatalysts. Top Curr Chem (Cham) 2019; 378:2. [PMID: 31761971 PMCID: PMC6875517 DOI: 10.1007/s41061-019-0262-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 10/22/2019] [Indexed: 01/28/2023]
Abstract
A new field where the utilization of mechanochemistry can create new opportunities is materials chemistry, and, more interestingly, the synthesis of novel nanomaterials. Ball-milling procedures and ultrasonic techniques can be regarded as the most important mechanochemical synthetic tools, since they can act as attractive alternatives to the conventional methods. It is also feasible for the utilization of mechanochemical forces to act synergistically with the conventional synthesis (as a pre-treatment step, or simultaneously during the synthesis) in order to improve the synthetic process and/or the material's desired features. The usage of ultrasound irradiation or ball-milling treatment is found to play a crucial role in controlling and enhancing the structural, morphological, optical, and surface chemistry features that are important for heterogeneous photocatalytic practices. The focus of this article is to collect all the available examples in which the utilization of sonochemistry or ball milling had unique effects as a synthesis tool towards zero- or one-dimensional nanostructures of a semiconductor which is assumed as a benchmark in photocatalysis, titanium dioxide.
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Affiliation(s)
| | - Gregory Chatel
- Université Savoie Mont Blanc, LCME, 73000, Chambéry, France
| | - Juan Carlos Colmenares
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland.
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15
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Bian C, Zhou Y, Luo Z. Mechanistic and kinetic investigation of Cu(II)‐catalyzed controlled radical polymerization enabled by ultrasound irradiation. AIChE J 2019. [DOI: 10.1002/aic.16746] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Chao Bian
- Department of Chemical Engineering School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University Shanghai People's Republic of China
| | - Yin‐Ning Zhou
- Department of Chemical Engineering School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University Shanghai People's Republic of China
| | - Zheng‐Hong Luo
- Department of Chemical Engineering School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University Shanghai People's Republic of China
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16
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Andreeva DV, Cherepanov PV, Avadhut YS, Senker J. Rapidly oscillating microbubbles force development of micro- and mesoporous interfaces and composition gradients in solids. ULTRASONICS SONOCHEMISTRY 2019; 51:439-443. [PMID: 30072259 DOI: 10.1016/j.ultsonch.2018.07.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 07/03/2018] [Accepted: 07/18/2018] [Indexed: 06/08/2023]
Abstract
Progress in understanding of energy transfer in nature and human being requires novel approaches to the processing of solids on demand, in specially those with composition gradients and those thermodynamically and kinetically inaccessible. We demonstrate that rapidly oscillating microbubbles are useful for materials processing, because they manipulate surface temperature and creates temperature gradients in predictable way. Ultrasonic treatment leads to an increase in the surface area of particles up to 180 m2g-1 and the formation of micropores in metal phase and mesopores in metal oxide phase. The spatially and temporally unique energy dissipation conditions promise new interfaces with higher level of complexity and applications among others in catalysis, energy storage, drug delivery.
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Affiliation(s)
- Daria V Andreeva
- Centre for Advanced 2D Materials, National University of Singapore, 6 Science Drive 2, Singapore.
| | - Pavel V Cherepanov
- Centre for Advanced 2D Materials, National University of Singapore, 6 Science Drive 2, Singapore
| | - Y S Avadhut
- Inorganic Chemistry III, University of Bayreuth, Universitaetsstrasse 30, Bayreuth, Germany
| | - Jürgen Senker
- Inorganic Chemistry III, University of Bayreuth, Universitaetsstrasse 30, Bayreuth, Germany
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17
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McKenzie TG, Karimi F, Ashokkumar M, Qiao GG. Ultrasound and Sonochemistry for Radical Polymerization: Sound Synthesis. Chemistry 2019; 25:5372-5388. [DOI: 10.1002/chem.201803771] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 10/22/2018] [Indexed: 12/31/2022]
Affiliation(s)
- Thomas G. McKenzie
- Polymer Science Group, Department of Chemical and Biomolecular Engineering The University of Melbourne Melbourne 3010 Australia
| | - Fatemeh Karimi
- Polymer Science Group, Department of Chemical and Biomolecular Engineering The University of Melbourne Melbourne 3010 Australia
| | | | - Greg G. Qiao
- Polymer Science Group, Department of Chemical and Biomolecular Engineering The University of Melbourne Melbourne 3010 Australia
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18
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Gułajski Ł, Tracz A, Urbaniak K, Czarnocki SJ, Bieniek M, Olszewski TK. Ammonium-tagged ruthenium-based catalysts for olefin metathesis in aqueous media under ultrasound and microwave irradiation. Beilstein J Org Chem 2019; 15:160-166. [PMID: 30745991 PMCID: PMC6350890 DOI: 10.3762/bjoc.15.16] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Accepted: 12/22/2018] [Indexed: 12/28/2022] Open
Abstract
The influence of microwave and ultrasonic irradiation on the performance of ammonium-tagged Ru-based catalysts in olefin metathesis transformations in aqueous media was studied. Differences in the catalytic activity in correlation with the nature of the present counter ion and the size of the N-heterocyclic carbene (NHC) ligand were revealed. The presented methodology allows for preparation of a variety of polar and non-polar metathesis products under environmentally friendly conditions.
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Affiliation(s)
| | - Andrzej Tracz
- Apeiron Synthesis SA, Duńska 9, 54-427 Wrocław, Poland
| | | | | | | | - Tomasz K Olszewski
- Wrocław University of Science and Technology, Faculty of Chemistry, Wybrzeże Wyspiańskiego 29, 50-370 Wrocław, Poland
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19
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Colacino E, Porcheddu A, Charnay C, Delogu F. From enabling technologies to medicinal mechanochemistry: an eco-friendly access to hydantoin-based active pharmaceutical ingredients. REACT CHEM ENG 2019. [DOI: 10.1039/c9re00069k] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The sustainable preparation of hydantoin-based Active Pharmaceutical Ingredients (APIs) using modern non-conventional activation methods, including mechanochemistry is herein described.
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Affiliation(s)
- Evelina Colacino
- Institut Charles Gerhardt de Montpellier (ICGM)
- UMR-5253 CNRS-UM
- Ecole Nationale Supérieure de Chimie de Montpellier
- 34296 Montpellier Cedex 05
- France
| | - Andrea Porcheddu
- Università degli Studi di Cagliari
- Dipartimento di Scienze Chimiche e Geologiche
- Cittadella Universitaria
- 09028 Monserrato
- Italy
| | - Clarence Charnay
- Institut Charles Gerhardt de Montpellier (ICGM)
- UMR-5253 CNRS-UM
- Université de Montpellier
- 34095 Montpellier Cedex 05
- France
| | - Francesco Delogu
- Dipartimento di Ingegneria Meccanica, Chimica, e dei Materiali
- Università degli Studi di Cagliari
- Italy
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20
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21
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John JJ, Kuhn S, Braeken L, Van Gerven T. Effect of fluid properties on ultrasound assisted liquid-liquid extraction in a microchannel. ULTRASONICS SONOCHEMISTRY 2018; 42:68-75. [PMID: 29429718 DOI: 10.1016/j.ultsonch.2017.11.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 10/06/2017] [Accepted: 11/01/2017] [Indexed: 06/08/2023]
Abstract
When immiscible liquids are subjected to an ultrasonic field, they form emulsions. This principle has been used to improve the mass transfer characteristics of a liquid-liquid extraction process in microreactor systems. The formation of emulsion and its characteristics are prominently dependent on the properties of the liquids used and this also holds true for emulsion brought about by ultrasound. This paper focuses on the properties of fluids that are reported to have an influence on the cavitation behaviour, namely viscosity, interfacial tension and vapour pressure. These properties were examined by changing the solvent of the organic phase in the hydrolysis of p-nitrophenyl acetate. The study is performed by comparing pairs of solvents that are different in one property but similar in the other two. The pairs selected are toluene - chlorobenzene for viscosity, toluene - methyl Isobutyl ketone for interfacial tension and methyl isobutyl ketone - 2-Methyl tetrahydrofuran for vapour pressure effects. A qualitative study was performed with a high-speed camera in flow to understand the emulsification initiation mechanisms and behaviours. These findings were further explored by performing the sonicated emulsion in a batch-sonicated reactor. The quantitative analysis of the fluid properties was evaluated and compared based on the relative percentage increase in yield upon sonication with respect to their individual silent conditions. The quantitative results were further supported by the quantification of the emulsion performed with an FBRM probe. The results indicate a two times improvement in yield with solvent of lower viscosity as 2 times more droplets were formed in the emulsion. Both the solvent systems with higher interfacial tension and vapour pressure had an improved yield of 1.4 times owing to larger number of droplets formed.
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Affiliation(s)
- Jinu Joseph John
- Process Engineering for Sustainable Systems (ProcESS), Department of Chemical Engineering, KU Leuven, Leuven, Belgium
| | - Simon Kuhn
- Process Engineering for Sustainable Systems (ProcESS), Department of Chemical Engineering, KU Leuven, Leuven, Belgium
| | - Leen Braeken
- KU Leuven Lab4U - Faculty of Industrial Engineering, Agoralaan Building B, B-3590 Diepenbeek, Belgium
| | - Tom Van Gerven
- Process Engineering for Sustainable Systems (ProcESS), Department of Chemical Engineering, KU Leuven, Leuven, Belgium.
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22
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Alaoui S, Driowya M, Demange L, Benhida R, Bougrin K. Ultrasound-assisted facile one-pot sequential synthesis of novel sulfonamide-isoxazoles using cerium (IV) ammonium nitrate (CAN) as an efficient oxidant in aqueous medium. ULTRASONICS SONOCHEMISTRY 2018; 40:289-297. [PMID: 28946427 DOI: 10.1016/j.ultsonch.2017.07.019] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2016] [Revised: 05/23/2017] [Accepted: 07/10/2017] [Indexed: 06/07/2023]
Abstract
A series of novel 3,5-disubstituted isoxazoles have been synthesized, using a new, green, and versatile "one-pot three-steps" methodology. The key step is an oxidative 1,3-dipolar cycloaddition under ultrasonic irradiation, occurring in aqueous media, and mediated by cerium (IV) ammonium nitrate (CAN). CAN is a one-electron oxidant, highly soluble in water, slightly toxic and inexpensive, that allows the in situ conversion of the intermediate aldoximes into nitrile oxide. The syntheses are highly regioselective, as illustrated by the structures of the final compounds, which have been fully assessed by spectral analyses (1H and 13C NMR, MS). This study illustrates the potency of the ultrasound activation to synthesize a set of highly functionalized heterocycles, with potential applications in biology, in short reaction times and following an eco-friendly process.
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Affiliation(s)
- Soukaina Alaoui
- Laboratoire de Chimie des Plantes et de Synthèse Organique et Bioorganique, URAC23, Université Mohammed V, Faculté des Sciences, B.P. 1014 Rabat, Morocco
| | - Mohsine Driowya
- Laboratoire de Chimie des Plantes et de Synthèse Organique et Bioorganique, URAC23, Université Mohammed V, Faculté des Sciences, B.P. 1014 Rabat, Morocco
| | - Luc Demange
- Université Côte d'Azur, Institut de Chimie de Nice, ICN, UMR CNRS 7272, 28 avenue de Valrose, 06108 Nice Cedex 2, France; Département de Chimie, Université Paris Descartes, Sorbonne Paris Cité, UFR des Sciences Pharmaceutiques, 4 avenue de l'Observatoire & UFR Biomédicale des Saints Pères, 45 rue des Saints Pères, 75006 Paris, France
| | - Rachid Benhida
- Université Côte d'Azur, Institut de Chimie de Nice, ICN, UMR CNRS 7272, 28 avenue de Valrose, 06108 Nice Cedex 2, France
| | - Khalid Bougrin
- Laboratoire de Chimie des Plantes et de Synthèse Organique et Bioorganique, URAC23, Université Mohammed V, Faculté des Sciences, B.P. 1014 Rabat, Morocco.
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23
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Chatel G. How sonochemistry contributes to green chemistry? ULTRASONICS SONOCHEMISTRY 2018; 40:117-122. [PMID: 28341331 DOI: 10.1016/j.ultsonch.2017.03.029] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Revised: 03/04/2017] [Accepted: 03/13/2017] [Indexed: 05/04/2023]
Abstract
Based on the analyses of papers from the literature, and especially those published in Ultrasonics Sonochemistry journal, the contribution of sonochemistry to green chemistry area has been discussed here. Important reminders and insights on the good practices and considerations have been made to understand and demonstrate how sonochemistry can continue to efficiently contribute to green chemistry area in the further studies.
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Affiliation(s)
- Gregory Chatel
- Univ. Savoie Mont Blanc, LCME, F-73000 Chambéry, France.
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24
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Temperature controlled interval contact design for ultrasound assisted liquid–liquid extraction. Chem Eng Res Des 2017. [DOI: 10.1016/j.cherd.2017.06.025] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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25
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26
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27
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Skorb EV, Möhwald H, Andreeva DV. Effect of Cavitation Bubble Collapse on the Modification of Solids: Crystallization Aspects. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:11072-11085. [PMID: 27485504 DOI: 10.1021/acs.langmuir.6b02842] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
This review examines the concepts how cavitation bubble collapse affects crystalline structure, the crystallization of newly formed structures, and recrystallization. Although this subject can be discussed in a broad sense across the area of metastable crystallization, our main focus is discussing specific examples of the inorganic solids: metal, intermetallics, metal oxides, and silicon. First, the temperature up to which ultrasound heats solids is discussed. Cavitation-induced changes in the crystal size of intermetallic phases in binary AlNi (50 wt % of Ni) alloys allow an estimation of local temperatures on surfaces and in bulk material. The interplay between atomic solid-state diffusion and recrystallization during bubble collapses in heterogeneous systems is revealed. Furthermore, cavitation triggered red/ox processes at solid/liquid interfaces and their influence on recrystallization are discussed for copper aluminum nanocomposites, zinc, titanium, magnesium-based materials, and silicon. Cavitation-driven highly nonequilibrium conditions can affect the thermodynamics and kinetics of mesoscopic phase formation in heterogeneous systems and in many cases boost the macroscopic performance of composite materials, notably in catalytic alloy and photocatalytic semiconductor oxide properties, corrosion resistance, nanostructured surface biocompatibility, and optical properties.
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Affiliation(s)
- Ekaterina V Skorb
- Max Planck Institute of Colloids and Interfaces , Am Mühlenberg 1, 14424 Potsdam, Germany
| | - Helmuth Möhwald
- Max Planck Institute of Colloids and Interfaces , Am Mühlenberg 1, 14424 Potsdam, Germany
| | - Daria V Andreeva
- Center for Soft and Living Matter, Institute of Basic Science, Ulsan National Institute of Science and Technology , 50 UNIST-gill, Ulju-gun, 44919 Ulsan South Korea
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28
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29
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Click and chemically triggered declick reactions through reversible amine and thiol coupling via a conjugate acceptor. Nat Chem 2016. [DOI: 10.1038/nchem.2601] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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30
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Aboutorabi L, Morsali A. Sonochemical synthesis of two new nano lead(II) coordination polymers: Evaluation of structural transformation via mechanochemical approach. ULTRASONICS SONOCHEMISTRY 2016; 32:31-36. [PMID: 27150742 DOI: 10.1016/j.ultsonch.2016.01.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2015] [Revised: 01/21/2016] [Accepted: 01/22/2016] [Indexed: 06/05/2023]
Abstract
Two new lead(II) mixed-ligand coordination polymers, [Pb(PNO)(SCN)]n (1) and [Pb(PNO)(N3)]n (2), (HPNO=picolinic acid N-oxide) were synthesized by a sonochemical method and characterized by scanning electron microscopy, X-ray powder diffraction, IR spectroscopy and elemental analysis. Compounds 1 and 2 were structurally characterized by single crystal X-ray diffraction. The thermal behavior of 1 and 2 were studied by thermal gravimetric analysis. Structural transformations of compounds 1 and 2 were evaluated through anion-replacement processes by mechanochemical method. Moreover, the effect of sonication conditions including time, concentrations of initial reagents and power of irradiation were evaluated on size and morphology of compounds 1 and 2.
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Affiliation(s)
- Leila Aboutorabi
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran, P.O. Box 14115-175, Iran
| | - Ali Morsali
- Department of Chemistry, Faculty of Basic Sciences, Tarbiat Modares University, Tehran, P.O. Box 14115-175, Iran.
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31
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Schaefer M, Icli B, Weder C, Lattuada M, Kilbinger AFM, Simon YC. The Role of Mass and Length in the Sonochemistry of Polymers. Macromolecules 2016. [DOI: 10.1021/acs.macromol.5b02362] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Mark Schaefer
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, CH-1700 Fribourg, Switzerland
| | - Burcak Icli
- Adolphe Merkle Institute
University of Fribourg, Chemin des
Verdiers 4, CH-1700 Fribourg, Switzerland
| | - Christoph Weder
- Adolphe Merkle Institute
University of Fribourg, Chemin des
Verdiers 4, CH-1700 Fribourg, Switzerland
| | - Marco Lattuada
- Adolphe Merkle Institute
University of Fribourg, Chemin des
Verdiers 4, CH-1700 Fribourg, Switzerland
| | - Andreas F. M. Kilbinger
- Department of Chemistry, University of Fribourg, Chemin du Musée 9, CH-1700 Fribourg, Switzerland
| | - Yoan C. Simon
- Adolphe Merkle Institute
University of Fribourg, Chemin des
Verdiers 4, CH-1700 Fribourg, Switzerland
- School of Polymers
and High Performance Materials, The University of Southern Mississippi, 118 College Drive, #5050, Hattiesburg, Mississippi 39406, United States
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32
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Konnert L, Dimassi M, Gonnet L, Lamaty F, Martinez J, Colacino E. Poly(ethylene) glycols and mechanochemistry for the preparation of bioactive 3,5-disubstituted hydantoins. RSC Adv 2016. [DOI: 10.1039/c6ra03222b] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Mechanochemistry was effective for the preparation of 3,5-disubstituted hydantoins from α-amino methyl esters, using either 1,1′-carbonyldiimidazole (CDI) or alkyl isocyanates.
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Affiliation(s)
- L. Konnert
- Institut des Biomolécules Max Mousseron (IBMM)
- UMR 5247 CNRS – UM – ENSCM
- Green Chemistry and Enabling Technology Team
- Université de Montpellier
- 34095 Montpellier Cedex 5
| | - M. Dimassi
- Institut des Biomolécules Max Mousseron (IBMM)
- UMR 5247 CNRS – UM – ENSCM
- Green Chemistry and Enabling Technology Team
- Université de Montpellier
- 34095 Montpellier Cedex 5
| | - L. Gonnet
- Institut des Biomolécules Max Mousseron (IBMM)
- UMR 5247 CNRS – UM – ENSCM
- Green Chemistry and Enabling Technology Team
- Université de Montpellier
- 34095 Montpellier Cedex 5
| | - F. Lamaty
- Institut des Biomolécules Max Mousseron (IBMM)
- UMR 5247 CNRS – UM – ENSCM
- Green Chemistry and Enabling Technology Team
- Université de Montpellier
- 34095 Montpellier Cedex 5
| | - J. Martinez
- Institut des Biomolécules Max Mousseron (IBMM)
- UMR 5247 CNRS – UM – ENSCM
- Green Chemistry and Enabling Technology Team
- Université de Montpellier
- 34095 Montpellier Cedex 5
| | - E. Colacino
- Institut des Biomolécules Max Mousseron (IBMM)
- UMR 5247 CNRS – UM – ENSCM
- Green Chemistry and Enabling Technology Team
- Université de Montpellier
- 34095 Montpellier Cedex 5
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Kakekhani A, Ismail-Beigi S. Polarization-driven catalysis via ferroelectric oxide surfaces. Phys Chem Chem Phys 2016; 18:19676-95. [DOI: 10.1039/c6cp03170f] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Ferroelectric polarization can tune the surface chemistry: enhancing technologically important catalytic reactions such as NOx direct decomposition and SO2 oxidation.
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Affiliation(s)
- Arvin Kakekhani
- Department of Physics
- Yale University
- New Haven
- USA
- Center for Research on Interface Structure and Phenomena (CRISP)
| | - Sohrab Ismail-Beigi
- Department of Physics
- Yale University
- New Haven
- USA
- Center for Research on Interface Structure and Phenomena (CRISP)
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34
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Yu X, Ge X, Lan H, Li Y, Geng L, Zhen X, Yi T. Tunable and Switchable Control of Luminescence through Multiple Physical Stimulations in Aggregation-Based Monocomponent Systems. ACS APPLIED MATERIALS & INTERFACES 2015; 7:24312-24321. [PMID: 26462144 DOI: 10.1021/acsami.5b08402] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
This report describes how the luminescence of naphthalimide could be tuned by various physical stimuli, including heat, sonication, and grinding. Herein, instant and switchable control of color and fluorescent emissions has been achieved by the sonication-triggered gelation of an organic liquid with naphthalimide-based organogelators (N3-N7). Green emissive suspensions of the gelators in organic liquids are transformed into orange emissive gels upon brief irradiation with ultrasound with an emission wavelength red-shift of approximately 60 nm and fluorescence intensity quenching by a factor of 20, which can subsequently be reversed by heating. When sonication-triggered S-gels are evaporated to S-xerogels, the solid state xerogels (N3, N4, N6, N7) exhibit mechanochromism, the color of which changes from red to yellow and the emission color of which changes from orange to green with enhanced intensity by grinding. This mechanochromic property can be reversed through a regelation process. The mechanochromic character of the S-xerogel of N3 is thus applied to quantitatively sense the mechanical pressure range from 2 to 40 MPa through fluorescence changes, reflecting a new type of application for gelation assembly. The physical stimuli triggered fluorescence changes of these compounds strongly depend on the molecular structure and solvent. The results demonstrate that the different aggregation modes and long-range order arrangement of the molecules regulated by the stimulus may affect the internal charge transfer (ICT) process of the naphthalimide groups, resulting in the tunability of the photophysical properties of the gelators. This report provides a new strategy for tunable and switchable control of luminescence through nonchemical stimuli in aggregation-based monocomponent systems.
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Affiliation(s)
- Xudong Yu
- Department of Chemistry and Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University , 220 Handan Road, Shanghai 200433, China
- College of Science and Hebei Research Center of Pharmaceutical and Chemical Engineering, Hebei University of Science and Technology , Yuhua Road 70, Shijiazhuang 050080, China
| | - Xiaoting Ge
- College of Science and Hebei Research Center of Pharmaceutical and Chemical Engineering, Hebei University of Science and Technology , Yuhua Road 70, Shijiazhuang 050080, China
| | - Haichuang Lan
- Department of Chemistry and Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University , 220 Handan Road, Shanghai 200433, China
| | - Yajuan Li
- College of Science and Hebei Research Center of Pharmaceutical and Chemical Engineering, Hebei University of Science and Technology , Yuhua Road 70, Shijiazhuang 050080, China
| | - Lijun Geng
- College of Science and Hebei Research Center of Pharmaceutical and Chemical Engineering, Hebei University of Science and Technology , Yuhua Road 70, Shijiazhuang 050080, China
| | - Xiaoli Zhen
- College of Science and Hebei Research Center of Pharmaceutical and Chemical Engineering, Hebei University of Science and Technology , Yuhua Road 70, Shijiazhuang 050080, China
| | - Tao Yi
- Department of Chemistry and Collaborative Innovation Center of Chemistry for Energy Materials, Fudan University , 220 Handan Road, Shanghai 200433, China
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Cintas P, Tagliapietra S, Caporaso M, Tabasso S, Cravotto G. Enabling technologies built on a sonochemical platform: challenges and opportunities. ULTRASONICS SONOCHEMISTRY 2015; 25:8-16. [PMID: 25547851 DOI: 10.1016/j.ultsonch.2014.12.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Revised: 10/25/2014] [Accepted: 12/08/2014] [Indexed: 05/13/2023]
Abstract
Scientific and technological progress now occurs at the interface between two or more scientific and technical disciplines while chemistry is intertwined with almost all scientific domains. Complementary and synergistic effects have been found in the overlay between sonochemistry and other enabling technologies such as mechanochemistry, microwave chemistry and flow-chemistry. Although their nature and effects are intrinsically different, these techniques share the ability to significantly activate most chemical processes and peculiar phenomena. These studies offer a comprehensive overview of sonochemistry, provide a better understanding of correlated phenomena (mechanochemical effects, hot spots, etc.), and pave the way for emerging applications which unite hybrid reactors.
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Affiliation(s)
- Pedro Cintas
- Departamento de Química Orgánica e Inorgánica, Facultad de Ciencias-UEX, Avda de Elvas s/n, E-06006 Badajoz, Spain
| | - Silvia Tagliapietra
- Dipartimento di Scienza e Tecnologia del Farmaco and NIS - Centre for Nanostructured Interfaces and Surfaces, University of Turin, Via P. Giuria 9, 10125 Turin, Italy
| | - Marina Caporaso
- Dipartimento di Scienza e Tecnologia del Farmaco and NIS - Centre for Nanostructured Interfaces and Surfaces, University of Turin, Via P. Giuria 9, 10125 Turin, Italy
| | - Silvia Tabasso
- Dipartimento di Chimica, University of Turin, Via P. Giuria 7, 10125 Turin, Italy
| | - Giancarlo Cravotto
- Dipartimento di Scienza e Tecnologia del Farmaco and NIS - Centre for Nanostructured Interfaces and Surfaces, University of Turin, Via P. Giuria 9, 10125 Turin, Italy
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36
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Yuan C, Zhu X, Su L, Yang D, Wang Y, Yang K, Cheng X. Preparation and characterization of a novel ionic conducting foam-type polymeric gel based on polymer PVdF-HFP and ionic liquid [EMIM][TFSI]. Colloid Polym Sci 2015. [DOI: 10.1007/s00396-015-3590-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Cravotto G, Borretto E, Oliverio M, Procopio A, Penoni A. Organic reactions in water or biphasic aqueous systems under sonochemical conditions. A review on catalytic effects. CATAL COMMUN 2015. [DOI: 10.1016/j.catcom.2014.12.014] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Rinaldi L, Martina K, Baricco F, Rotolo L, Cravotto G. Solvent-free copper-catalyzed azide-alkyne cycloaddition under mechanochemical activation. Molecules 2015; 20:2837-49. [PMID: 25671367 PMCID: PMC6272186 DOI: 10.3390/molecules20022837] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Accepted: 02/02/2015] [Indexed: 11/16/2022] Open
Abstract
The ball-mill-based mechanochemical activation of metallic copper powder facilitates solvent-free alkyne-azide click reactions (CuAAC). All parameters that affect reaction rate (i.e., milling time, revolutions/min, size and milling ball number) have been optimized. This new, efficient, facile and eco-friendly procedure has been tested on a number of different substrates and in all cases afforded the corresponding 1,4-disubstituted 1,2,3-triazole derivatives in high yields and purities. The final compounds were isolated in almost quantitative overall yields after simple filtration, making this procedure facile and rapid. The optimized CuAAC protocol was efficiently applied even with bulky functionalized β-cyclodextrins (β-CD) and scaled-up to 10 g of isolated product.
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Affiliation(s)
- Laura Rinaldi
- Dipartimento di Scienza e Tecnologia del Farmaco and NIS-Centre for Nanostructured Interfaces and Surfaces, University of Turin, Via P. Giuria 9, Turin 10125, Italy.
- Dipartimento di Biotecnologie Molecolari e Scienze per la Salute, University of Turin, Via Quarello 15, Turin 10125, Italy.
| | - Katia Martina
- Dipartimento di Scienza e Tecnologia del Farmaco and NIS-Centre for Nanostructured Interfaces and Surfaces, University of Turin, Via P. Giuria 9, Turin 10125, Italy.
| | - Francesca Baricco
- Dipartimento di Scienza e Tecnologia del Farmaco and NIS-Centre for Nanostructured Interfaces and Surfaces, University of Turin, Via P. Giuria 9, Turin 10125, Italy.
| | - Laura Rotolo
- Dipartimento di Scienza e Tecnologia del Farmaco and NIS-Centre for Nanostructured Interfaces and Surfaces, University of Turin, Via P. Giuria 9, Turin 10125, Italy.
| | - Giancarlo Cravotto
- Dipartimento di Scienza e Tecnologia del Farmaco and NIS-Centre for Nanostructured Interfaces and Surfaces, University of Turin, Via P. Giuria 9, Turin 10125, Italy.
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39
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Haehnel AP, Sagara Y, Simon YC, Weder C. Mechanochemistry in Polymers with Supramolecular Mechanophores. Top Curr Chem (Cham) 2015; 369:345-75. [PMID: 26054388 DOI: 10.1007/128_2015_640] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Mechanochemistry is a burgeoning field of materials science. Inspired by nature, many scientists have looked at different ways to introduce weak bonds into polymeric materials to impart them with function and in particular mechano-responsiveness. In the following sections, the incorporation of some of the weakest bonds, i.e. non-covalent bonds, into polymeric solids is being surveyed. This review covers sequentially π-π interactions, H-bonding and metal-ligand coordination bonds and tries to highlight some of the advantages and limitations of such systems, while providing some key perspective of what may come next in this tantalizing field.
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Affiliation(s)
- Alexander P Haehnel
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700, Fribourg, Switzerland
| | - Yoshimitsu Sagara
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700, Fribourg, Switzerland
| | - Yoan C Simon
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700, Fribourg, Switzerland.
| | - Christoph Weder
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700, Fribourg, Switzerland.
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40
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Cai MQ, Wei XQ, Song ZJ, Jin MC. Decolorization of azo dye Orange G by aluminum powder enhanced by ultrasonic irradiation. ULTRASONICS SONOCHEMISTRY 2015; 22:167-173. [PMID: 25132495 DOI: 10.1016/j.ultsonch.2014.06.023] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2014] [Revised: 06/29/2014] [Accepted: 06/30/2014] [Indexed: 06/03/2023]
Abstract
In this work, the decolorization of azo dye Orange G (OG) in aqueous solution by aluminum powder enhanced by ultrasonic irradiation (AlP-UI) was investigated. The effects of various operating operational parameters such as the initial pH, initial OG concentration, AlP dosage, ultrasound power and added hydrogen peroxide (H2O2) concentration were studied. The results showed that the decolorization rate was enhanced when the aqueous OG was irradiated simultaneously by ultrasound in the AlP-acid systems. The decolorization rate decreased with the increase of both initial pH values of 2.0-4.0 and OG initial concentrations of 10-80mg/L, increased with the ultrasound power enhancing from 500 to 900W. An optimum value was reached at 2.0g/L of the AlP dosage in the range of 0.5-2.5g/L. The decolorization rate enhanced significantly by the addition of hydrogen peroxide in the range of 10-100mM to AlP-UI system reached an optimum value of 0.1491min(-1). The decolorization of OG appears to involve primarily oxidative steps, the cleavage of NN bond, which were verificated by the intermediate products of OG under the optimal tested degradation system, aniline and 1-amino-2-naphthol-6,8-disulfonate detected by the LC-MS.
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Affiliation(s)
- Mei Qiang Cai
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China.
| | - Xiao Qin Wei
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Zhi Jun Song
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, China
| | - Mi Cong Jin
- Zhejiang Provincial Key Laboratory of Health Risk Appraisal for Trace Toxic Chemicals, Ningbo Municipal Center for Disease Control and Prevention, Ningbo 315010, China; Ningbo Key Laboratory of Poison Research and Control, Ningbo Municipal Center for Disease Control and Prevention, Ningbo 315010, China.
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41
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Zhang Y, Ding H, Wu Y, Zhang C, Bai B, Wang H, Li M. Ultrasound-induced controllable morphology and growth dimension in a dihydrazide-based self-assembly system. SOFT MATTER 2014; 10:8838-8845. [PMID: 25283797 DOI: 10.1039/c4sm01331j] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
We have demonstrated ultrasound-induced organogels based on twin-tapered dihydrazide derivatives, oxalyl acid N,N-di(3,4,5-trialkoxybenzoyl)hydrazide (FH-Tn). Ultrasound irradiation has been proved to influence gel properties at micro-levels. Different self-assembled structures from entangled fibers to tube-like structures and nanoparticles can be easily manipulated by tuning irradiation time and water bath temperature. FT-IR spectra exhibit weakened hydrogen bonding interactions, and XRD studies showed different packing modes before and after sonication. In addition, ultrasound can have effects on gel properties at macro-levels. Gels obtained from ultrasound treatment possess different wetting properties, relatively worse rheological properties and thermo-stability. Kinetic studies based on dynamic fluorescence spectra, rheological studies and theoretical calculations suggest that molecular aggregation mode differed from one-dimension to two-dimension for the gel after sonication.
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Affiliation(s)
- Yan Zhang
- Key Laboratory for Automobile Materials (JLU), Ministry of Education, College of Materials Science and Engineering, Jilin University, 130012, Changchun, P. R. China.
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42
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Sander JRG, Zeiger BW, Suslick KS. Sonocrystallization and sonofragmentation. ULTRASONICS SONOCHEMISTRY 2014; 21:1908-1915. [PMID: 24636362 DOI: 10.1016/j.ultsonch.2014.02.005] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2013] [Revised: 02/05/2014] [Accepted: 02/06/2014] [Indexed: 06/03/2023]
Abstract
The application of ultrasound to crystallization (i.e., sonocrystallization) can dramatically affect the properties of the crystalline products. Sonocrystallization induces rapid nucleation that generally yields smaller crystals of a more narrow size distribution compared to quiescent crystallizations. The mechanism by which ultrasound induces nucleation remains unclear although reports show the potential contributions of shockwaves and increases in heterogeneous nucleation. In addition, the fragmentation of molecular crystals during ultrasonic irradiation is an emerging aspect of sonocrystallization and nucleation. Decoupling experiments were performed to confirm that interactions between shockwaves and crystals are the main contributors to crystal breakage. In this review, we build upon previous studies and emphasize the effects of ultrasound on the crystallization of organic molecules. Recent work on the applications of sonocrystallized materials in pharmaceutics and materials science are also discussed.
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Affiliation(s)
- John R G Sander
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews Av., Urbana, IL 61801, USA
| | - Brad W Zeiger
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews Av., Urbana, IL 61801, USA
| | - Kenneth S Suslick
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews Av., Urbana, IL 61801, USA.
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43
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Balkenende DWR, Coulibaly S, Balog S, Simon YC, Fiore GL, Weder C. Mechanochemistry with metallosupramolecular polymers. J Am Chem Soc 2014; 136:10493-8. [PMID: 24972163 DOI: 10.1021/ja5051633] [Citation(s) in RCA: 155] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
The transduction of mechanical force into useful chemical reactions is an emerging design approach to impart soft materials with new functions. Here, we report that mechanochemical transductions can be achieved in metallosupramolecular polymers. We show that both reversible and irreversible reactions are possible and useful to create mechanically responsive materials that display new functions. The metallopolymer studied was a cross-linked network assembled from a europium salt and a telechelic poly(ethylene-co-butylene) with 2,6-bis(1'-methylbenzimidazolyl)pyridine (Mebip) ligands at the termini. The Eu(3+) complexes serve both as mechanically responsive binding motifs and as built-in optical probes that can monitor the extent of (dis)assembly due to their characteristic photoluminescent properties. Indeed, dose-dependent and reversible metal-ligand dissociation occurs upon exposure to ultrasound in solution. The absence of ultrasound-induced dissociation of a low-molecular weight model complex and in-depth studies of temperature effects confirm that the dissociation is indeed the result of mechanical activation. The influence of the strength of the metal-ligand interactions on the mechanically induced dissociation was also explored. Metallopolymers in which the Mebip ligands were substituted with more strongly coordinating dipicolinate (dpa) ligands do not dissociate upon exposure to ultrasound. Finally, we show that mechanochemical transduction in metallosupramolecular polymers is also possible in the solid state. We demonstrate mending of damaged objects through ultrasound as well as mechanochromic behavior based on metal-exchange reactions in metallopolymers imbibed with an auxiliary metal salt.
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44
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Yu X, Chen L, Zhang M, Yi T. Low-molecular-mass gels responding to ultrasound and mechanical stress: towards self-healing materials. Chem Soc Rev 2014; 43:5346-71. [DOI: 10.1039/c4cs00066h] [Citation(s) in RCA: 383] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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45
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Model studies of force-dependent kinetics of multi-barrier reactions. Nat Commun 2014; 4:2538. [PMID: 24077443 DOI: 10.1038/ncomms3538] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2013] [Accepted: 09/03/2013] [Indexed: 12/22/2022] Open
Abstract
According to transition state theory, the rate of a reaction that traverses multiple energy barriers is determined by the least stable (rate-determining) transition state. The preceding ('inner') energy barriers are kinetically 'invisible' but mechanistically significant. Here we show experimentally and computationally that the reduction rate of organic disulphides by phosphines in water, which in the absence of force proceeds by an equilibrium formation of a thiophosphonium intermediate, measured as a function of force applied on the disulphide moiety yields a usefully accurate estimate of the height of the inner barrier. We apply varying stretching force to the disulphide by incorporating it into a series of increasingly strained macrocycles. This force accelerates the reduction, even though the strain-free rate-determining step is orthogonal to the pulling direction. The observed rate-force correlation is consistent with the simplest model of force-dependent kinetics of a multi-barrier reaction.
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46
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Cravotto G, Gaudino EC, Cintas P. On the mechanochemical activation by ultrasound. Chem Soc Rev 2014; 42:7521-34. [PMID: 23321794 DOI: 10.1039/c2cs35456j] [Citation(s) in RCA: 128] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Chemists have discovered, and recently actively exploited, the fact that subjecting certain molecules to ultrasound waves can bring about transformations that give insight into the correlation between classical tribological processes and the mechanical action caused by collapsing microbubbles when sonic waves propagate through a liquid medium. Chemical transformations induced by ultrasound take place in solution via mechanisms that are markedly different from those associated with molecular activation in the solid state. Both fields, however, share some striking similarities and numerous sonochemical reactions can be rationalized in purely mechanical terms. This tutorial review examines the tribochemical interpretation of sonochemical reactivity and how the multifaceted action of cavitational phenomena determines molecular evolution. A series of case studies involving solids, crystals, and polymers illustrate the mechanical properties of sound waves.
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Affiliation(s)
- Giancarlo Cravotto
- Dipartimento di Scienza e Tecnología del Farmaco, Università di Torino, Via P. Giuria 9, I-10125 Torino, Italy.
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47
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Giachi G, Frediani M, Oberhauser W, Lamaty F, Martinez J, Colacino E. Ultrasounds in melted poly(ethylene glycol) promote copper-catalyzed cyanation of aryl halides with K(4)[Fe(CN)(6)]. CHEMSUSCHEM 2014; 7:919-924. [PMID: 24678012 DOI: 10.1002/cssc.201300997] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2013] [Revised: 12/02/2013] [Indexed: 06/03/2023]
Abstract
Melted poly(ethylene glycols) (PEGs) were used for the first time as solvent for the sonochemically promoted cyanation of aryl halides employing inexpensive and safe K4[Fe(CN)6] and a relatively low amount of Cu-based catalyst. The Mw (weight-average polymer molecular weight) of PEG proved to notably influence the substrate conversion, which is indicative of a strong dependence of the sonication efficacy on solvent properties. Gel permeation chromatography (GPC), X-ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM) contributed to the characterization of the polymer and the elucidation of the catalytic system.
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48
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Raju BR, Sampaio DMF, Silva MM, Coutinho PJG, Gonçalves MST. Ultrasound promoted synthesis of Nile Blue derivatives. ULTRASONICS SONOCHEMISTRY 2014; 21:360-366. [PMID: 23769749 DOI: 10.1016/j.ultsonch.2013.05.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2013] [Revised: 04/17/2013] [Accepted: 05/15/2013] [Indexed: 06/02/2023]
Abstract
Ultrasound irradiation was used for the first time towards the synthesis of new Nile Blue related benzo[a]phenoxazinium chlorides possessing isopentylamino, (2-cyclohexylethyl)amino and phenethylamino groups at 5-position of the heterocyclic system. The efficacy of sonochemistry was investigated with some of our earlier reported synthesis of benzo[a]phenoxazinium chlorides. This newer protocol proved competent in terms of reaction times and enhanced yields. Photophysical studies carried out in ethanol, water and simulated physiological conditions, revealed that emission maxima occurred in the range 644-656 nm, with high fluorescent quantum yields. Other attractive feature exhibited by these materials includes good thermal stability. These properties might be useful in the development of fluorescent probes for biotechnology.
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Affiliation(s)
- B Rama Raju
- Centre of Physics, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal; Centre of Chemistry, University of Minho, Campus of Gualtar, 4710-057 Braga, Portugal
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49
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Samal SK, Dash M, Chiellini F, Wang X, Chiellini E, Declercq HA, Kaplan DL. Silk/chitosan biohybrid hydrogels and scaffolds via green technology. RSC Adv 2014. [DOI: 10.1039/c4ra10070k] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A green technology approach towards conjugation of biopolymers for designing biohybrid silk/chitosan based biomaterials for therapeutic applications.
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Affiliation(s)
- Sangram K. Samal
- BioLab-UdR-INSTM
- University of Pisa
- Pisa – 1291, Italy
- Department of Biomedical Engineering
- Tufts University
| | - Mamoni Dash
- BioLab-UdR-INSTM
- University of Pisa
- Pisa – 1291, Italy
- Polymer Chemistry & Biomaterials Research Group
- Ghent University
| | | | - Xiaoqin Wang
- Department of Biomedical Engineering
- Tufts University
- Medford, USA
| | - Emo Chiellini
- BioLab-UdR-INSTM
- University of Pisa
- Pisa – 1291, Italy
| | - Heidi A. Declercq
- Department of Basic Medical Sciences – Tissue Engineering Group
- Ghent University
- 9000 Ghent, Belgium
| | - David L. Kaplan
- Department of Biomedical Engineering
- Tufts University
- Medford, USA
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50
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Rusinko A. Influence of preliminary ultrasonic treatment upon the steady-state creep of metals of different stacking fault energies. ULTRASONICS 2014; 54:90-98. [PMID: 23876435 DOI: 10.1016/j.ultras.2013.06.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2012] [Revised: 06/16/2013] [Accepted: 06/17/2013] [Indexed: 06/02/2023]
Abstract
This paper addresses the issue of the ultrasound effects upon the creep deformation of metals with different levels of stacking fault energy. The influence of preliminary ultrasound irradiation time upon the steady state creep rate is considered. Synthetic theory of irrecoverable deformation is taken as a mathematical apparatus. The analytical results show good agreement with experimental data.
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Affiliation(s)
- A Rusinko
- Óbuda University, Népszinház St 8, Budapest H-1081, Hungary.
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