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Wang Q, Xu H, Qi Z, Mei J, Tian H, Qu DH. Dynamic Near-Infrared Circularly Polarized Luminescence Encoded by Transient Supramolecular Chiral Assemblies. Angew Chem Int Ed Engl 2024; 63:e202407385. [PMID: 38736176 DOI: 10.1002/anie.202407385] [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: 04/18/2024] [Revised: 05/10/2024] [Accepted: 05/10/2024] [Indexed: 05/14/2024]
Abstract
Circularly polarized luminescence (CPL) is promising for applications in many fields. However, most systems involving CPL are within the visible range; near-infrared (NIR) CPL-active materials, especially those that exhibit high glum values and can be controlled spatially and temporally, are rare. Herein, dynamic NIR-CPL with a glum value of 2.5×10-2 was achieved through supramolecular coassembly and energy-transfer strategies. The chiral assemblies formed by the coassembly between adenosine triphosphate (ATP) and a pyrene derivative exhibited a red CPL signal (glum of 10-3). The further introduction of sulfo-cyanine5 resulted in a energy-transfer process, which not only led to the NIR CPL but also increased the glum value to 10-2. Temporal control of these chiral assemblies was realized by introducing alkaline phosphatase to fabricate a biomimetic enzyme-catalyzed network, allowing the dynamic NIR CPL signal to be turned on. Based on these enzyme-regulated temporally controllable dynamic CPL-active chiral assemblies, a multilevel information encryption system was further developed. This study provides a pioneering example for the construction of dynamic NIR CPL materials with the ability to perform temporal control via the supramolecular assembly strategy, which is expected to aid in the design of supramolecular complex systems that more closely resemble natural biological systems.
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Affiliation(s)
- Qian Wang
- Key Laboratory for Advanced Materials, Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Hanren Xu
- Key Laboratory for Advanced Materials, Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Zhen Qi
- Key Laboratory for Advanced Materials, Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Ju Mei
- Key Laboratory for Advanced Materials, Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
| | - He Tian
- Key Laboratory for Advanced Materials, Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Da-Hui Qu
- Key Laboratory for Advanced Materials, Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai, 200237, China
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2
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Wang H, Wang K, Bai S, Wei L, Gao Y, Zhi K, Guo X, Wang Y. Spatiotemporal control over self-assembly of supramolecular hydrogels through reaction-diffusion. J Colloid Interface Sci 2024; 664:938-945. [PMID: 38503079 DOI: 10.1016/j.jcis.2024.03.091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 03/08/2024] [Accepted: 03/11/2024] [Indexed: 03/21/2024]
Abstract
Supramolecular self-assembly is ubiquitous in living system and is usually controlled to proceed in time and space through sophisticated reaction-diffusion processes, underpinning various vital cellular functions. In this contribution, we demonstrate how spatiotemporal self-assembly of supramolecular hydrogels can be realized through a simple reaction-diffusion-mediated transient transduction of pH signal. In the reaction-diffusion system, a relatively faster diffusion of acid followed by delayed enzymatic production and diffusion of base from the opposite site enables a transient transduction of pH signal in the substrate. By coupling such reaction-diffusion system with pH-sensitive gelators, dynamic supramolecular hydrogels with tunable lifetimes are formed at defined locations. The hydrogel fibers show interesting dynamic growing behaviors under the regulation of transient pH signal, reminiscent of their biological counterpart. We further demonstrate a proof-of-concept application of the developed methodology for dynamic information encoding in a soft substrate. We envision that this work may provide a potent approach to enable transient transduction of various chemical signals for the construction of new colloidal materials with the capability to evolve their structures and functionalities in time and space.
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Affiliation(s)
- Hucheng Wang
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Kainan Wang
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Shengyu Bai
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Lai Wei
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Yuliang Gao
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Kangkang Zhi
- Department of Vascular Surgery, Second Affiliated Hospital of Naval Medical University, Shanghai 200003, China.
| | - Xuhong Guo
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Yiming Wang
- State Key Laboratory of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, China; Shanghai Key Laboratory for Intelligent Sensing and Detection Technology, East China University of Science and Technology, Shanghai 200237, China.
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3
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Paul I, Valiyev I, Schmittel M. Chemically Fueled Logic AND Gate with Double Encoding in the Time Domain. J Am Chem Soc 2024; 146:2435-2444. [PMID: 38251983 DOI: 10.1021/jacs.3c09838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
To increase information density and security in communication, Nature at times encodes signals in the time domain, for instance, Ca2+ ion signals. Double encoding in the time domain operates beyond this level of security because the data are encoded in two time-dependent output signals showing distinct periods, frequencies, and full duration half-maxima. To illustrate such a protocol, a three-component ensemble consisting of a double ion-selective luminophore with two distinct receptor sites, hexacyclen, and diaza-18-crown-6 ether is demonstrated to act as a logic AND gate with Ag+ and Ca2+ ions as inputs. The gate shows an unprecedented 2-fold time-encoded fluorescence output at 590 and 488 nm based on metal ion pulses with distinct periods when trichloroacetic acid is applied as chemical fuel.
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Affiliation(s)
- Indrajit Paul
- Center of Micro and Nanochemistry and (Bio)Technology, School of Science and Technology, Organische Chemie I, University of Siegen, Adolf-Reichwein-Straße 2, D-57068 Siegen, Germany
| | - Isa Valiyev
- Center of Micro and Nanochemistry and (Bio)Technology, School of Science and Technology, Organische Chemie I, University of Siegen, Adolf-Reichwein-Straße 2, D-57068 Siegen, Germany
| | - Michael Schmittel
- Center of Micro and Nanochemistry and (Bio)Technology, School of Science and Technology, Organische Chemie I, University of Siegen, Adolf-Reichwein-Straße 2, D-57068 Siegen, Germany
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4
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Kermagoret A, Bardelang D. The Diversity of Cucurbituril Molecular Switches and Shuttles. Chemistry 2023:e202302114. [PMID: 37725407 DOI: 10.1002/chem.202302114] [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: 07/03/2023] [Revised: 09/15/2023] [Accepted: 09/18/2023] [Indexed: 09/21/2023]
Abstract
Ring translocation switches and shuttles featuring a macrocycle (or a ring molecule) navigating between two or more stations continue to attract attention. While the vast majority of these systems are developed in organic solvents, the cucurbituril (CB) macrocycles are ideally suited to prepare such systems in water. Indeed, their stability and their relatively high affinity for relevant guest molecules are key attributes toward translating the progresses made in organic solvents, into water. This concept article summarizes the findings, key advances and multiple possibilities offered by CBs toward advanced molecular switches and shuttles in water.
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Wang Z, Xiao J, Zhao T, Zhang C, Wang L, He N, Kong Q, Wang X. Transient regulation of gel properties by chemical reaction networks. Chem Commun (Camb) 2023; 59:9818-9831. [PMID: 37497715 DOI: 10.1039/d3cc02479b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
Transient regulation of gel properties by chemical reaction networks (CRNs) represents an emerging and effective strategy to program or temporally control the structures, properties, and functions of gel materials in a self-regulated manner. CRNs provide significant opportunities to construct complex or sustainable gels with excellent dynamic features, thus expanding the application scope of these materials. CRN-based methods for transiently regulating the gel properties are receiving increasing attention, and the related fields are worth further studying. This feature article focuses on the CRN-mediated transient regulation of six properties of gels, which are transient gelation, transient liquefaction of gels, transient assembly of macroscopic gels, temporary actuation of gels, transient healing ability of kinetically inert gels, and cascade reaction-based self-reporting of external stimuli. Recent advances that showcase the six properties of gels controlled by CRNs are featured, the characterization and structural elucidation of gels are detailed, and the significance, achievements, and expectations of this field are discussed. The strategy of transient regulation of gel properties via CRNs is potentially useful for building the next generation of adaptive functional materials.
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Affiliation(s)
- Zhongrui Wang
- National Engineering Research Center for Colloidal Materials and Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China.
| | - Jing Xiao
- National Engineering Research Center for Colloidal Materials and Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China.
| | - Ting Zhao
- National Engineering Research Center for Colloidal Materials and Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China.
| | - Chunxiao Zhang
- National Engineering Research Center for Colloidal Materials and Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China.
| | - Luping Wang
- National Engineering Research Center for Colloidal Materials and Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China.
| | - Nan He
- National Engineering Research Center for Colloidal Materials and Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China.
| | - Qingming Kong
- National Engineering Research Center for Colloidal Materials and Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China.
| | - Xu Wang
- National Engineering Research Center for Colloidal Materials and Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China.
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6
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Zhao T, Wang Z, Yang Y, Liu K, Wang X. Cyclic Macroscopic Assembly and Disassembly Driven by Ionic Strength Fuel: A Waste-Free Approach. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37402443 DOI: 10.1021/acsami.3c06995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/06/2023]
Abstract
Nonequilibrium assembling systems developed so far have relied on chemical fuels to drive the programmable pH cycles, redox reactions, and metastable bond formations. However, these methods often result in the unwanted accumulation of chemical waste. Herein, we present a novel strategy for achieving cyclic and waste-free nonequilibrium assembly and disassembly of macroscopic hydrogels, utilizing an ionic strength-mediated approach. Our strategy involves using ammonium carbonate as a chemical fuel to temporally regulate the attractions between oppositely charged hydrogels via ionic strength-controlled charge screening and hydrogel elasticity changes. This chemical fuel effectively mediates the assembly/disassembly processes and prevents waste accumulation, as ammonium carbonate can completely decompose into volatile chemical waste. The cyclic and reversible assembly process can be achieved without significant damping due to the self-clearance mechanism, as long as the chemical fuel is repeatedly supplied. This concept holds promise for creating macroscopic and microscopic nonequilibrium systems and self-adaptive materials.
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Affiliation(s)
- Ting Zhao
- National Engineering Research Center for Colloidal Materials, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, P. R. China
| | - Zhongrui Wang
- National Engineering Research Center for Colloidal Materials, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, P. R. China
| | - Yang Yang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Kun Liu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China
| | - Xu Wang
- National Engineering Research Center for Colloidal Materials, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, P. R. China
- Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, P. R. China
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7
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Sun M, Deng J, Walther A. Communication and Cross-Regulation between Chemically Fueled Sender and Receiver Reaction Networks. Angew Chem Int Ed Engl 2023; 62:e202214499. [PMID: 36354214 PMCID: PMC10107503 DOI: 10.1002/anie.202214499] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Indexed: 11/11/2022]
Abstract
Nature connects multiple fuel-driven chemical/enzymatic reaction networks (CRNs/ERNs) via cross-regulation to hierarchically control biofunctions for a tailored adaption in complex sensory landscapes. Herein, we introduce a facile example of communication and cross-regulation among two fuel-driven DNA-based ERNs regulated by a concatenated RNA transcription regulator. ERN1 ("sender") is designed for the fuel-driven promoter formation for T7 RNA polymerase, which activates RNA transcription. The produced RNA can deactivate or activate DNA in ERN2 ("receiver") by toehold-mediated strand displacement, leading to a communication between two ERNs. The RNA from ERN1 can repress or promote the fuel-driven state of ERN2; ERN2 in turn feedbacks to regulate the lifetime of ERN1. Furthermore, the incorporation of RNase H allows for RNA degradation and enables the autonomous recovery of ERN2. We believe that concatenation of multiple CRNs/ERNs provides a basis for the design of more elaborate autonomous regulatory mechanisms in systems chemistry and synthetic biology.
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Affiliation(s)
- Mo Sun
- Department of Chemistry, Fudan University, Shanghai, 200438, China.,Cluster of Excellence livMatS @ FIT - Freiburg Center for Interactive Materials and Bioinspired Technologies, University of Freiburg, Georges-Köhler-Allee 105, 79110, Freiburg, Germany
| | - Jie Deng
- Life Like Materials and Systems, Department of Chemistry, University of Mainz, Duesbergweg 10-14, 55128, Mainz, Germany.,Dana-Farber Cancer Institute, Wyss Institute for Biologically Inspired Engineering, Harvard Medical School, Boston, MA 02115, USA
| | - Andreas Walther
- Life Like Materials and Systems, Department of Chemistry, University of Mainz, Duesbergweg 10-14, 55128, Mainz, Germany.,Cluster of Excellence livMatS @ FIT - Freiburg Center for Interactive Materials and Bioinspired Technologies, University of Freiburg, Georges-Köhler-Allee 105, 79110, Freiburg, Germany
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8
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Dissipative crystallization of ion-pair receptors. Chem 2023. [DOI: 10.1016/j.chempr.2022.12.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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9
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Wootten MM, Tshepelevitsh S, Leito I, Clayden J. A Chemically Fuelled Molecular Automaton Displaying Programmed Migration of Zn 2+ Between Alternative Binding Sites. Chemistry 2022; 28:e202202247. [PMID: 35880579 PMCID: PMC9804598 DOI: 10.1002/chem.202202247] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Indexed: 01/05/2023]
Abstract
A molecular system comprising a cationic zinc complex and an amino acid-derived ambident ligand having phosphate and carboxylate binding sites undergoes a series of rearrangements in which the metal cation migrates autonomously from one site to another. The location of the metal is identified by the circular dichroism spectrum of a ligated bis(2-quinolylmethyl)-(2-pyridylmethyl)amine (BQPA) chromophore, which takes a characteristic shape at each binding site. Migration is fuelled by the decomposition of trichloroacetic acid to CO2 and CHCl3 , which progressively neutralises the acidity of the system as a function of time, revealing in sequence binding sites of increasing basicity. The migration rate responds to control by variation of the temperature, water content and triethylamine concentration, while an excess of fuel controls the duration of an induction period before the migration event.
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Affiliation(s)
- Matthew M Wootten
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK
| | - Sofja Tshepelevitsh
- Institute of Chemistry, University of Tartu, Ravila 14a, Tartu, 50411, Estonia
| | - Ivo Leito
- Institute of Chemistry, University of Tartu, Ravila 14a, Tartu, 50411, Estonia
| | - Jonathan Clayden
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK
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10
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Out-of-equilibrium chemical logic systems. Chem 2022. [DOI: 10.1016/j.chempr.2022.07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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11
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Badjic JD, Liyana Gunawardana VW, Finnegan TJ, Ward CE, Moore CE. Dissipative Formation of Covalent Basket Cages. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202207418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jovica D Badjic
- Ohio State University Department of Chemistry 100 W. 18th Avenue 43210 Columbus UNITED STATES
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12
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Liyana Gunawardana VW, Finnegan TJ, Ward CE, Moore CE, Badjić JD. Dissipative Formation of Covalent Basket Cages. Angew Chem Int Ed Engl 2022; 61:e202207418. [PMID: 35723284 PMCID: PMC9544755 DOI: 10.1002/anie.202207418] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Indexed: 11/23/2022]
Abstract
Living systems use chemical fuels to transiently assemble functional structures. As a step toward constructing abiotic mimics of such structures, we herein describe dissipative formation of covalent basket cage CBC 5 by reversible imine condensation of cup‐shaped aldehyde 2 (i.e., basket) with trivalent aromatic amine 4. This nanosized [4+4] cage (V=5 nm3, Mw=6150 Da) has shape of a truncated tetrahedron with four baskets at its vertices and four aromatic amines forming the faces. Importantly, tris‐aldehyde basket 2 and aliphatic tris‐amine 7 undergo condensation to give small [1+1] cage 6. The imine metathesis of 6 and aromatic tris‐amine 4 into CBC 5 was optimized to bias the equilibrium favouring 6. Addition of tribromoacetic acid (TBA) as a chemical fuel perturbs this equilibrium to result in the transient formation of CBC 5, with subsequent consumption of TBA via decarboxylation driving the system back to the starting state.
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Affiliation(s)
| | - Tyler J Finnegan
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, OH 43210, USA
| | - Carson E Ward
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, OH 43210, USA
| | - Curtis E Moore
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, OH 43210, USA
| | - Jovica D Badjić
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, OH 43210, USA
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13
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Olivieri E, Gasch B, Quintard G, Naubron JV, Quintard A. Dissipative Acid-Fueled Reprogrammable Supramolecular Materials. ACS APPLIED MATERIALS & INTERFACES 2022; 14:24720-24728. [PMID: 35580903 DOI: 10.1021/acsami.2c01608] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Smart materials reversibly changing properties in response to a stimuli are promising for a broad array of applications. In this article, we report the use of trichloroacetic acid (TCA) as fuel to create new types of time-controlled materials switching reversibly from a gel to a solution (gel-sol-gel cycle). Applying various neutral amines as organogelators, TCA addition induces amine protonation, switching the system to a solution, while TCA decarboxylation over time enables a return to the initial gel state. Consequently, the newly obtained materials possess interesting time-dependent properties applied in the generation of remoldable objects, as an erasing ink, as chiroptical switches, or for the generation of new types of electrical systems.
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Affiliation(s)
- Enzo Olivieri
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France
| | - Baptiste Gasch
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France
| | - Guilhem Quintard
- Université de Lyon, INSA LYON, Ingénierie des Matériaux Polymères IMP-UMR CNRS 5223, F 69621 Villeurbanne, France
| | - Jean-Valère Naubron
- Aix Marseille Univ, CNRS, Centrale Marseille, Spectropole, FR1739 Marseille, France
| | - Adrien Quintard
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France
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14
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Out-of-equilibrium chemical logic systems: Light and sound controlled programmable spatiotemporal patterns and mechanical functions. Chem 2022. [DOI: 10.1016/j.chempr.2022.04.020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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15
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Thomas A, Gasch B, Olivieri E, Quintard A. Trichloroacetic acid fueled practical amine purifications. Beilstein J Org Chem 2022; 18:225-231. [PMID: 35280955 PMCID: PMC8895030 DOI: 10.3762/bjoc.18.26] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 02/17/2022] [Indexed: 12/21/2022] Open
Abstract
Amine purification have for long been dominated by tedious stepwise processes involving the generation of large amounts of undesired waste. Inspired by recent work on out of equilibrium molecular machinery, using trichloroacetic acid (TCA), we disclose a purification technique considerably decreasing the number of operations and the waste generation required for such purifications. At first, TCA triggers the precipitation of the amines through their protonated salt formation, enabling the separation with the impurities. From these amine salts, simple decarboxylation of TCA liberates volatile CO2 and chloroform affording directly the pure amines. Through this approach, a broad range of diversely substituted amines could be isolated with success.
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Affiliation(s)
- Aleena Thomas
- Aix-Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Baptiste Gasch
- Aix-Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Enzo Olivieri
- Aix-Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Adrien Quintard
- Aix-Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
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16
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Singh N, Lopez-Acosta A, Formon GJM, Hermans TM. Chemically Fueled Self-Sorted Hydrogels. J Am Chem Soc 2021; 144:410-415. [PMID: 34932352 DOI: 10.1021/jacs.1c10282] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Narcissistic self-sorting in supramolecular assemblies can help to construct materials with more complex hierarchies. Whereas controlled changes in pH or temperature have been used to this extent for two-component self-sorted gels, here we show that a chemically fueled approach can provide three-component materials with high precision. The latter materials have interesting mechanical properties, such as enhanced or suppressed stiffness, and intricate multistep gelation kinetics. In addition, we show that we can achieve supramolecular templating, where pre-existing supramolecular fibers first act as templates for growth of a second gelator, after which they can selectively be removed.
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Affiliation(s)
- Nishant Singh
- Université de Strasbourg, CNRS, UMR7140, 4 Rue Blaise Pascal, 67081 Strasbourg, France
| | - Alvaro Lopez-Acosta
- Université de Strasbourg, CNRS, UMR7140, 4 Rue Blaise Pascal, 67081 Strasbourg, France
| | - Georges J M Formon
- Université de Strasbourg, CNRS, UMR7140, 4 Rue Blaise Pascal, 67081 Strasbourg, France
| | - Thomas M Hermans
- Université de Strasbourg, CNRS, UMR7140, 4 Rue Blaise Pascal, 67081 Strasbourg, France
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17
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Synergistic regulation of nonbinary molecular switches by protonation and light. Proc Natl Acad Sci U S A 2021; 118:2112973118. [PMID: 34789566 DOI: 10.1073/pnas.2112973118] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/06/2021] [Indexed: 11/18/2022] Open
Abstract
We report a molecular switching ensemble whose states may be regulated in synergistic fashion by both protonation and photoirradiation. This allows hierarchical control in both a kinetic and thermodynamic sense. These pseudorotaxane-based molecular devices exploit the so-called Texas-sized molecular box (cyclo[2]-(2,6-di(1H-imidazol-1-yl)pyridine)[2](1,4-dimethylenebenzene); 14+, studied as its tetrakis-PF6 - salt) as the wheel component. Anions of azobenzene-4,4'-dicarboxylic acid (2H+•2) or 4,4'-stilbenedicarboxylic acid (2H+•3) serve as the threading rod elements. The various forms of 2 and 3 (neutral, monoprotonated, and diprotonated) interact differently with 14+, as do the photoinduced cis or trans forms of these classic photoactive guests. The net result is a multimodal molecular switch that can be regulated in synergistic fashion through protonation/deprotonation and photoirradiation. The degree of guest protonation is the dominating control factor, with light acting as a secondary regulatory stimulus. The present dual input strategy provides a complement to more traditional orthogonal stimulus-based approaches to molecular switching and allows for the creation of nonbinary stimulus-responsive functional materials.
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18
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Li Y, Zhao L, Chen H, Tian R, Li F, Luo Q, Xu J, Hou C, Liu J. Hierarchical protein self-assembly into dynamically controlled 2D nanoarrays via host-guest chemistry. Chem Commun (Camb) 2021; 57:10620-10623. [PMID: 34570127 DOI: 10.1039/d1cc03654h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
A dynamically reversible two-dimensional (2D) protein assembly system was designed based on host-guest interactions and was triggered to disassemble via a competition mechanism. The artificially tunable and reversible protein assembly architectures hold great potential for on/off switches in bio-systems.
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Affiliation(s)
- Yijia Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Qianjin Road, Changchun 130012, China.
| | - Linlu Zhao
- The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou 571199, China
| | - Hongwei Chen
- The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou 571199, China
| | - Ruizhen Tian
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Qianjin Road, Changchun 130012, China.
| | - Fei Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Qianjin Road, Changchun 130012, China.
| | - Quan Luo
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Qianjin Road, Changchun 130012, China.
| | - Jiayun Xu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Qianjin Road, Changchun 130012, China. .,College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Chunxi Hou
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Qianjin Road, Changchun 130012, China.
| | - Junqiu Liu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, 2699 Qianjin Road, Changchun 130012, China. .,College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
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19
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Olivieri E, Quintard G, Naubron JV, Quintard A. Chemically Fueled Three-State Chiroptical Switching Supramolecular Gel with Temporal Control. J Am Chem Soc 2021; 143:12650-12657. [PMID: 34351739 DOI: 10.1021/jacs.1c05183] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The recent discovery of temporally controlled gels opens broad perspectives to the field of smart functional materials. However, to obtain fully operative systems, the design of simple and robust gels displaying complex functions is desirable. Herein, we fuel dissipative gelating materials through iterative additions of trichloroacetic acid (TCA). This simple fuel enables to switch over time an acid/base-dependent commercially available amino acid gelator/DBU combination between three distinct states (anionic, cationic, and neutral), while liberating volatile CO2 and CHCl3 upon fuel consumption. Of interest, the anionic resting state of the system is obtained through trapping of 1 equiv of CO2 through the formation of a carbamate. The system is tunable, robust, and resilient over time with over 25 consecutive sol-gel-sol cycles possible without significant loss of properties. Most importantly, because of the chiral nature of the amino acid gelator, the system features chiroptical switching properties moving reversibly between three distinct states as observed by ECD. The described system considerably enhances the potential of smart molecular devices for logic gates or data storage by adding a time dimension based on three states to the gelating materials. It is particularly simple in terms of chemical components involved, but it enables sophisticated functions.
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Affiliation(s)
- Enzo Olivieri
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Guilhem Quintard
- Université de Lyon, INSA LYON, Ingénierie des Matériaux Polymères IMP-UMR, CNRS, 5223, F 69621, Villeurbanne, France
| | - Jean-Valère Naubron
- Aix Marseille Univ, CNRS, Centrale Marseille, Spectropole-FR1739, Marseille, France
| | - Adrien Quintard
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
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20
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Zhu J, Zhang D, Ronson TK, Wang W, Xu L, Yang H, Nitschke JR. A Cavity-Tailored Metal-Organic Cage Entraps Gases Selectively in Solution and the Amorphous Solid State. Angew Chem Int Ed Engl 2021; 60:11789-11792. [PMID: 33768657 PMCID: PMC8251750 DOI: 10.1002/anie.202102095] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Indexed: 01/24/2023]
Abstract
Here we report the subcomponent self-assembly of a truxene-faced Zn4 L4 tetrahedron, which is capable of binding the smallest hydrocarbons in solution. By deliberately incorporating inward-facing ethyl groups on the truxene faces, the resulting partially-filled cage cavity was tailored to encapsulate methane, ethane, and ethene via van der Waals interactions at atmospheric pressure in acetonitrile, and also in the amorphous solid state. Interestingly, gas capture showed divergent selectivities in solution and the amorphous solid state. The selective binding may prove useful in designing new processes for the purification of methane and ethane as feedstocks for chemical synthesis.
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Affiliation(s)
- Jun‐Long Zhu
- Shanghai Key Laboratory of Green Chemistry and Chemical ProcessesSchool of Chemistry and Molecular EngineeringEast China Normal University3663 N. Zhongshan RoadShanghai200062P. R. China
| | - Dawei Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical ProcessesSchool of Chemistry and Molecular EngineeringEast China Normal University3663 N. Zhongshan RoadShanghai200062P. R. China
- Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Tanya K. Ronson
- Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Wenjing Wang
- State Key Laboratory of Structural ChemistryFujian Institute of Research on the Structure of MatterChinese Academy of SciencesFuzhou350002China
| | - Lin Xu
- Shanghai Key Laboratory of Green Chemistry and Chemical ProcessesSchool of Chemistry and Molecular EngineeringEast China Normal University3663 N. Zhongshan RoadShanghai200062P. R. China
- Department of ChemistryUniversity of CambridgeLensfield RoadCambridgeCB2 1EWUK
| | - Hai‐Bo Yang
- Shanghai Key Laboratory of Green Chemistry and Chemical ProcessesSchool of Chemistry and Molecular EngineeringEast China Normal University3663 N. Zhongshan RoadShanghai200062P. R. China
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21
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Zhu J, Zhang D, Ronson TK, Wang W, Xu L, Yang H, Nitschke JR. A Cavity‐Tailored Metal‐Organic Cage Entraps Gases Selectively in Solution and the Amorphous Solid State. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202102095] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jun‐Long Zhu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes School of Chemistry and Molecular Engineering East China Normal University 3663 N. Zhongshan Road Shanghai 200062 P. R. China
| | - Dawei Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes School of Chemistry and Molecular Engineering East China Normal University 3663 N. Zhongshan Road Shanghai 200062 P. R. China
- Department of Chemistry University of Cambridge Lensfield Road Cambridge CB2 1EW UK
| | - Tanya K. Ronson
- Department of Chemistry University of Cambridge Lensfield Road Cambridge CB2 1EW UK
| | - Wenjing Wang
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou 350002 China
| | - Lin Xu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes School of Chemistry and Molecular Engineering East China Normal University 3663 N. Zhongshan Road Shanghai 200062 P. R. China
- Department of Chemistry University of Cambridge Lensfield Road Cambridge CB2 1EW UK
| | - Hai‐Bo Yang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes School of Chemistry and Molecular Engineering East China Normal University 3663 N. Zhongshan Road Shanghai 200062 P. R. China
| | - Jonathan R. Nitschke
- Department of Chemistry University of Cambridge Lensfield Road Cambridge CB2 1EW UK
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22
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Kariyawasam LS, Hossain MM, Hartley CS. The Transient Covalent Bond in Abiotic Nonequilibrium Systems. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202014678] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | | | - C. Scott Hartley
- Department of Chemistry & Biochemistry Miami University Oxford OH 45056 USA
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23
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Kariyawasam LS, Hossain MM, Hartley CS. The Transient Covalent Bond in Abiotic Nonequilibrium Systems. Angew Chem Int Ed Engl 2021; 60:12648-12658. [PMID: 33264456 DOI: 10.1002/anie.202014678] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Indexed: 12/20/2022]
Abstract
Biochemical systems accomplish many critical functions with by operating out-of-equilibrium using the energy of chemical fuels. The formation of a transient covalent bond is a simple but very effective tool in designing analogous reaction networks. This Minireview focuses on the fuel chemistries that have been used to generate transient bonds in recent demonstrations of abiotic nonequilibrium systems (i.e., systems that do not make use of biological components). Fuel reactions are divided into two fundamental classifications depending on whether the fuel contributes structural elements to the activated state, a distinction that dictates how they can be used. Reported systems are further categorized by overall fuel reaction (e.g., hydrolysis of alkylating agents, carbodiimide hydration) and illustrate how similar chemistry can be used to effect a wide range of nonequilibrium behavior, ranging from self-assembly to the operation of molecular machines.
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Affiliation(s)
- Lasith S Kariyawasam
- Department of Chemistry & Biochemistry, Miami University, Oxford, OH, 45056, USA
| | | | - C Scott Hartley
- Department of Chemistry & Biochemistry, Miami University, Oxford, OH, 45056, USA
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24
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Yang X, Cheng Q, Monnier V, Charles L, Karoui H, Ouari O, Gigmes D, Wang R, Kermagoret A, Bardelang D. Guest Exchange by a Partial Energy Ratchet in Water. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202014399] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xue Yang
- Aix Marseille Univ CNRS ICR Marseille France
| | - Qian Cheng
- State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical Sciences University of Macau Avenida da Universidade Taipa Macau China
| | - Valerie Monnier
- Aix Marseille Univ CNRS Centrale Marseille, FSCM Spectropole Marseille France
| | | | | | | | | | - Ruibing Wang
- State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical Sciences University of Macau Avenida da Universidade Taipa Macau China
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25
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Yang X, Cheng Q, Monnier V, Charles L, Karoui H, Ouari O, Gigmes D, Wang R, Kermagoret A, Bardelang D. Guest Exchange by a Partial Energy Ratchet in Water. Angew Chem Int Ed Engl 2021; 60:6617-6623. [DOI: 10.1002/anie.202014399] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 12/20/2020] [Indexed: 01/28/2023]
Affiliation(s)
- Xue Yang
- Aix Marseille Univ CNRS ICR Marseille France
| | - Qian Cheng
- State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical Sciences University of Macau Avenida da Universidade Taipa Macau China
| | - Valerie Monnier
- Aix Marseille Univ CNRS Centrale Marseille, FSCM Spectropole Marseille France
| | | | | | | | | | - Ruibing Wang
- State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical Sciences University of Macau Avenida da Universidade Taipa Macau China
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26
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Dhiman S, Singh A, George SJ. Active Bicomponent Nanoparticle Assembly with Temporal, Microstructural, and Functional Control. Chemistry 2021; 27:705-711. [PMID: 32697396 DOI: 10.1002/chem.202003415] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Indexed: 12/15/2022]
Abstract
Transient supramolecular self-assembly has evolved as a tool to create temporally programmable smart materials. Yet, so far single-component self-assembly has been mostly explored. In contrast, multicomponent self-assembly provides an opportunity to create unique nanostructures exhibiting complex functional outcomes, newer and different than individual components. Even two-component can result in multiple organizations, such as self-sorted domains or co-assembled heterostructures, can occur, thus making it highly complex to predict and reversibly modulate these microstructures. In this study, we attempted to create active bicomponent nanoparticle assemblies of orthogonally pH-responsive-group-functionalized gold and cadmium selenide nanoparticles with temporal microstructural control on their composition (self-sorted or co-assembly) in order to harvest their emergent transient photocatalytic activity by coupling to temporal changes in pH. Moving towards multicomponent systems can deliver next level control in terms of structural and functional outcomes of supramolecular systems.
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Affiliation(s)
- Shikha Dhiman
- Supramolecular Chemistry Laboratory, School of Advanced Materials (SAMat) and New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur, Bangalore, 560064, India
| | - Akanksha Singh
- Supramolecular Chemistry Laboratory, School of Advanced Materials (SAMat) and New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur, Bangalore, 560064, India
| | - Subi J George
- Supramolecular Chemistry Laboratory, School of Advanced Materials (SAMat) and New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur, Bangalore, 560064, India
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27
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28
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Mukhopadhyay RD, Choi S, Sen SK, Hwang IC, Kim K. Transient Self-assembly Processes Operated by Gaseous Fuels under Out-of-Equilibrium Conditions. Chem Asian J 2020; 15:4118-4123. [PMID: 33135872 DOI: 10.1002/asia.202001183] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 10/27/2020] [Indexed: 12/11/2022]
Abstract
Herein we report transient out-of-equilibrium self-assembly of molecules operated by gaseous fuel mixtures. The combination of an active gaseous chemical fuel and an inert gas or compressed air, which assists the degassing of the gaseous fuel from the solution, drives the transient self-assembly process. The gaseous nature of the fuel as well as the exhaust helps in their easy removal and thereby prevents their accumulation within the system and helps in maintaining the efficiency of the transient self-assembly process. The strategy is executed with a rather simple experimental set up and operates at ambient temperatures. Our approach may find use in the development of smart materials suitable for applications such as temporally active gas sensing and sequestration.
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Affiliation(s)
- Rahul Dev Mukhopadhyay
- Center for Self-assembly and Complexity (CSC), Institute for Basic Science (IBS), Pohang, 37673, Republic of Korea
| | - Seoyeon Choi
- Center for Self-assembly and Complexity (CSC), Institute for Basic Science (IBS), Pohang, 37673, Republic of Korea.,Division of Advanced Materials Science, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Shovan Kumar Sen
- Center for Self-assembly and Complexity (CSC), Institute for Basic Science (IBS), Pohang, 37673, Republic of Korea
| | - In-Chul Hwang
- Center for Self-assembly and Complexity (CSC), Institute for Basic Science (IBS), Pohang, 37673, Republic of Korea
| | - Kimoon Kim
- Center for Self-assembly and Complexity (CSC), Institute for Basic Science (IBS), Pohang, 37673, Republic of Korea.,Division of Advanced Materials Science, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea.,Department of Chemistry, Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
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29
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Engwerda AHJ, Southworth J, Lebedeva MA, Scanes RJH, Kukura P, Fletcher SP. Coupled Metabolic Cycles Allow Out‐of‐Equilibrium Autopoietic Vesicle Replication. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202007302] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
| | - Josh Southworth
- Chemistry Research Laboratory University of Oxford 12 Mansfield Road Oxford UK
| | - Maria A. Lebedeva
- Chemistry Research Laboratory University of Oxford 12 Mansfield Road Oxford UK
| | - Robert J. H. Scanes
- Chemistry Research Laboratory University of Oxford 12 Mansfield Road Oxford UK
| | - Philipp Kukura
- Chemistry Research Laboratory University of Oxford 12 Mansfield Road Oxford UK
| | - Stephen P. Fletcher
- Chemistry Research Laboratory University of Oxford 12 Mansfield Road Oxford UK
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30
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Engwerda AHJ, Southworth J, Lebedeva MA, Scanes RJH, Kukura P, Fletcher SP. Coupled Metabolic Cycles Allow Out-of-Equilibrium Autopoietic Vesicle Replication. Angew Chem Int Ed Engl 2020; 59:20361-20366. [PMID: 32706135 PMCID: PMC7692917 DOI: 10.1002/anie.202007302] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 07/06/2020] [Indexed: 12/11/2022]
Abstract
We report chemically fuelled out-of-equilibrium self-replicating vesicles based on surfactant formation. We studied the vesicles' autocatalytic formation using UPLC to determine monomer concentration and interferometric scattering microscopy at the nanoparticle level. Unlike related reports of chemically fuelled self-replicating micelles, our vesicular system was too stable to surfactant degradation to be maintained out of equilibrium. The introduction of a catalyst, which introduces a second catalytic cycle into the metabolic network, was used to close the first cycle. This shows how coupled catalytic cycles can create a metabolic network that allows the creation and perseverance of fuel-driven, out-of-equilibrium self-replicating vesicles.
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Affiliation(s)
| | - Josh Southworth
- Chemistry Research LaboratoryUniversity of Oxford12 Mansfield RoadOxfordUK
| | - Maria A. Lebedeva
- Chemistry Research LaboratoryUniversity of Oxford12 Mansfield RoadOxfordUK
| | | | - Philipp Kukura
- Chemistry Research LaboratoryUniversity of Oxford12 Mansfield RoadOxfordUK
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31
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Audible sound-controlled spatiotemporal patterns in out-of-equilibrium systems. Nat Chem 2020; 12:808-813. [PMID: 32778690 DOI: 10.1038/s41557-020-0516-2] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Accepted: 06/26/2020] [Indexed: 12/12/2022]
Abstract
Naturally occurring spatiotemporal patterns typically have a predictable pattern design and are reproducible over several cycles. However, the patterns obtained from artificially designed out-of-equilibrium chemical oscillating networks (such as the Belousov-Zhabotinsky reaction for example) are unpredictable and difficult to control spatiotemporally, albeit reproducible over subsequent cycles. Here, we show that it is possible to generate reproducible spatiotemporal patterns in out-of-equilibrium chemical reactions and self-assembling systems in water in the presence of sound waves, which act as a guiding physical stimulus. Audible sound-induced liquid vibrations control the dissolution of atmospheric gases (such as O2 and CO2) in water to generate spatiotemporal chemical patterns in the bulk of the fluid, segregating the solution into spatiotemporal domains having different redox properties or pH values. It further helps us in the organization of transiently formed supramolecular aggregates in a predictable spatiotemporal manner.
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32
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Smith AAA, Maikawa CL, Roth GA, Appel EA. Site-selective modification of proteins using cucurbit[7]uril as supramolecular protection for N-terminal aromatic amino acids. Org Biomol Chem 2020; 18:4371-4375. [PMID: 32459261 DOI: 10.1039/d0ob01004a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
Cucurbit[7,8]urils are known to form inclusion complexes with aromatic amino acids, hosting the hydrohobic side chains within the cavity and adjacent cations within the portal of the macrocyclic host. Here we show that cucurbit[7]uril binding with N-terminal phenylalanine significantly reduces the nucleophilicity of the amine, likely due to an increase in stability of the ammonium ion, rendering it unreactive at neutral pH. Using insulin as a model protein, we show that this supramolecular protection strategy can drive selectivity of N-terminal amine conjugation away from the preferred B chain N-terminal phenylalanine towards the A chain N-terminal glycine. Cucurbit[7]uril can therefore be used as a supramolecular protecting group for site-selective protein modification.
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Affiliation(s)
- Anton A A Smith
- Department of Materials Science & Engineering, Stanford University, Stanford, CA 94305, USA. and Department of Chemistry, Aarhus University, 8000, Denmark
| | - Caitlin L Maikawa
- Department of Bioengineering, Stanford University, Stanford, CA 94305, USA
| | - Gillie A Roth
- Department of Bioengineering, Stanford University, Stanford, CA 94305, USA
| | - Eric A Appel
- Department of Materials Science & Engineering, Stanford University, Stanford, CA 94305, USA. and Department of Bioengineering, Stanford University, Stanford, CA 94305, USA
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33
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Zhang D, Ronson TK, Xu L, Nitschke JR. Transformation Network Culminating in a Heteroleptic Cd 6L 6L' 2 Twisted Trigonal Prism. J Am Chem Soc 2020; 142:9152-9157. [PMID: 32357009 PMCID: PMC7243256 DOI: 10.1021/jacs.0c03798] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Indexed: 12/20/2022]
Abstract
Transformations between three-dimensional metallosupramolecular assemblies can enable switching between the different functions of these structures. Here we report a network of such transformations, based upon a subcomponent displacement strategy. The flow through this network is directed by the relative reactivities of different amines, aldehydes, and di(2-pyridyl)ketone. The network provides access to an unprecedented heteroleptic Cd6L6L'2 twisted trigonal prism. The principles underpinning this network thus allow for the design of diverse structural transformations, converting one helicate into another, a helicate into a tetrahedron, a tetrahedron into a different tetrahedron, and a tetrahedron into the new trigonal prismatic structure type. The selective conversion from one host to another also enabled the uptake of a desired guest from a mixture of guests.
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Affiliation(s)
- Dawei Zhang
- Department
of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United
Kingdom
| | - Tanya K. Ronson
- Department
of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United
Kingdom
| | - Lin Xu
- Department
of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United
Kingdom
- Shanghai
Key Laboratory of Green Chemistry and Chemical Processes, School of
Chemistry and Molecular Engineering, East
China Normal University, 3663 N. Zhongshan Road, Shanghai 200062, P. R. China
| | - Jonathan R. Nitschke
- Department
of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United
Kingdom
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34
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Singh N, Formon GJM, De Piccoli S, Hermans TM. Devising Synthetic Reaction Cycles for Dissipative Nonequilibrium Self-Assembly. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1906834. [PMID: 32064688 DOI: 10.1002/adma.201906834] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 11/21/2019] [Indexed: 05/04/2023]
Abstract
Fuel-driven reaction cycles are found in biological systems to control the assembly and disassembly of supramolecular materials such as the cytoskeleton. Fuel molecules can bind noncovalently to a self-assembling building block or they can react with it, resulting in covalent modifications. Overall the fuel can either switch the self-assembly process on or off. Here, a closer look is taken at artificial systems that mimic biological systems by making and breaking covalent bonds in a self-assembling motif. The different chemistries used so far are highlighted in chronological order and the pros and cons of each system are discussed. Moreover, the desired traits of future reaction cycles, their fuels, and waste management are outlined, and two chemistries that have not been explored up to now in chemically fueled dissipative self-assembly are suggested.
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Affiliation(s)
- Nishant Singh
- Université de Strasbourg, 8 allée Gaspard Monge, 67000, Strasbourg, France
| | - Georges J M Formon
- Université de Strasbourg, 8 allée Gaspard Monge, 67000, Strasbourg, France
| | - Serena De Piccoli
- Université de Strasbourg, 8 allée Gaspard Monge, 67000, Strasbourg, France
| | - Thomas M Hermans
- Université de Strasbourg, 8 allée Gaspard Monge, 67000, Strasbourg, France
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35
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Dhiman S, Jalani K, George SJ. Redox-Mediated, Transient Supramolecular Charge-Transfer Gel and Ink. ACS APPLIED MATERIALS & INTERFACES 2020; 12:5259-5264. [PMID: 31804791 DOI: 10.1021/acsami.9b17481] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Unprecedented spatiotemporal control exhibited by natural systems has aroused interest in the construction of its synthetic mimics. Cytoskeleton proteins utilize fuel-driven dissipative self-assembly to temporally regulate cell shape and motility. Until now, synthetic efforts have majorly contributed to fundamental strategies; however, temporally programmed functions are rarely explored. Herein, we work toward alleviating this scenario by using a charge-transfer (CT) based supramolecular polymer that undergoes structural changes under the effect of a redox fuel. The structural changes in supramolecular assembly amplify into observable macroscopic and material property changes. As a result, we achieve transient chemochromism, a self-erasing ink and self-regenerating hydrogel, whose temporal profile can be regulated by varying the concentrations of the chemical cues (fuel and enzyme). The redox-mediated transient functions in the CT based supramolecular polymer pave way to create next-generation active, adaptive, and autonomous smart materials.
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Affiliation(s)
- Shikha Dhiman
- Supramolecular Chemistry Laboratory, New Chemistry Unit, School of Advanced Materials (SAMat) , Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) , Jakkur, Bangalore - 560064 , India
| | - Krishnendu Jalani
- Supramolecular Chemistry Laboratory, New Chemistry Unit, School of Advanced Materials (SAMat) , Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) , Jakkur, Bangalore - 560064 , India
| | - Subi J George
- Supramolecular Chemistry Laboratory, New Chemistry Unit, School of Advanced Materials (SAMat) , Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) , Jakkur, Bangalore - 560064 , India
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