1
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Rabban R, Das D, Talukdar D, Gole B. A multi-stack porphyrin oligomer with three cleft-like cavities for efficient guest encapsulations. Chem Commun (Camb) 2025; 61:8071-8074. [PMID: 40326832 DOI: 10.1039/d5cc00847f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/07/2025]
Abstract
We report here the design and synthesis of a covalently linked stacked tetra porphyrin oligomer, which has been a challenging task so far. The interlinking phenanthroline units and several intramolecular H-bonds help the molecule to fold into a sheet-like structure with three cleft-like cavities that bind two electron-deficient guests with high binding constant.
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Affiliation(s)
- Rabban Rabban
- Biomimetic Supramolecular Chemistry Laboratory, Department of Chemistry, School of Natural Sciences, Shiv Nadar Institution of Eminence Deemed to be University, Greater Noida, Uttar Pradesh, 201314, India.
| | - Dhanyashree Das
- Biomimetic Supramolecular Chemistry Laboratory, Department of Chemistry, School of Natural Sciences, Shiv Nadar Institution of Eminence Deemed to be University, Greater Noida, Uttar Pradesh, 201314, India.
| | - Dhrubajyoti Talukdar
- Biomimetic Supramolecular Chemistry Laboratory, Department of Chemistry, School of Natural Sciences, Shiv Nadar Institution of Eminence Deemed to be University, Greater Noida, Uttar Pradesh, 201314, India.
| | - Bappaditya Gole
- Biomimetic Supramolecular Chemistry Laboratory, Department of Chemistry, School of Natural Sciences, Shiv Nadar Institution of Eminence Deemed to be University, Greater Noida, Uttar Pradesh, 201314, India.
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2
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Sinambela N, Jacobi R, Sorsche D, González L, Pannwitz A. Photoinduced Electron Transfer Across Phospholipid Bilayers in Anaerobic and Aerobic Atmospheres. Angew Chem Int Ed Engl 2025; 64:e202423393. [PMID: 40095709 DOI: 10.1002/anie.202423393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2024] [Revised: 02/10/2025] [Accepted: 02/22/2025] [Indexed: 03/19/2025]
Abstract
In natural photosynthesis, light-driven electron transfer across the thylakoid membrane enables efficient charge separation and the confinement of reaction spaces for generating NADPH and CO2 and oxidation of water. These reactions are complementary redox reactions and require different reaction conditions for optimal performance. However, current artificial photosynthesis studies only take place in the bulk and are sensitive toward oxygen and air, which limits their applicability under aerated and water-splitting conditions. Herein, we report light-driven electron transfer across a lipid bilayer membrane of liposome vesicles via a rigid oligoaromatic molecular wire that allows to electronically connect an oxidation and reduction reaction which are spatially separated by the membrane. The molecular wire has a simple, symmetric, easy-to-synthesize design based on benzothiadiazole and fluorene units and absorbs in the visible spectrum which makes it suitable for solar energy conversion. The model reactions in this study are light-driven NADH oxidation on one side of the membrane and light-driven reduction of an organic water-soluble dye in the bulk phase of liposomes. Additionally, the system is active in both aerobic and anaerobic atmospheres, rendering it ideal for aerobic conditions or reactions that produce oxygen such as solar-driven water splitting and artificial photosynthesis applications.
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Affiliation(s)
- Novitasari Sinambela
- Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Richard Jacobi
- Institute of Theoretical Chemistry, Faculty of Chemistry, University of Vienna, Währinger Straße 17, 1090, Vienna, Austria
- Doctoral School in Chemistry (DoSChem), University of Vienna, Währinger Straße 42, 1090, Vienna, Austria
| | - Dieter Sorsche
- Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Leticia González
- Institute of Theoretical Chemistry, Faculty of Chemistry, University of Vienna, Währinger Straße 17, 1090, Vienna, Austria
- Vienna Research Platform on Accelerating Photoreaction Discovery, University of Vienna, Währinger Straße 17, 1090, Vienna, Austria
| | - Andrea Pannwitz
- Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
- Institute for Inorganic and Analytical Chemistry (IAAC), Chemisch-Geowissenschaftliche Fakultät, Friedrich Schiller University Jena, Humboldtstraße 8, 07743, Jena, Germany
- Center for Energy and Environmental Chemistry Jena (CEEC), Friedrich Schiller University Jena, Philosophenweg 7a, 07743, Jena, Germany
- Helmholtz Institute for Polymers in Energy Applications Jena (HIPOLE Jena), Lessingstraße 12-14, 07743, Jena, Germany
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3
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Guo Y, Zhang X, Zhou S, Liang Q, Zeng H, Xu Y, Awati A, Liang K, Zhu D, Liu M, Jiang L, Kong B. Super-Assembled Lamellar Conductive Heterochannels with Optical-Electrical Coupling Sensitivity for Smart Ion Transport. Angew Chem Int Ed Engl 2025; 64:e202500116. [PMID: 39985322 DOI: 10.1002/anie.202500116] [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: 01/02/2025] [Revised: 02/12/2025] [Accepted: 02/20/2025] [Indexed: 02/24/2025]
Abstract
Artificial nanofluidic devices inspired bylight-driven ion transport in biological systems, leveraging the photoelectric effect, have attracted extensive attention for their potential in signal transduction and smart ion transport applications. However, effective separation of photogenerated carriers in traditional p-n junction interface can be hindered by energy band structure of different semiconductor materials. Here, we present a novel approach using conductive polypyrrole (PPy) to modify graphene oxide (GO), creating polypyrrole-graphene oxide (PyGO) functional lamellar conductive nanochannels with tailored channel-sized gradients and inherent optical-electrical coupling sensitivity via a facile super-assembly strategy. This design facilitates the PyGO own conductive lamellar channels and efficient separation of photogenerated carriers, resulting in significantly enhanced selective ion transport behavior. Coupling the conductivity and photosensitivity of PPy contributes to a peak power density of 14.1 W m-2 under a salinity differential of 0.5/0.01 M NaCl, which is 35.6 % higher than that under dark conditions. Additionally, combing the salinity gradients with optical-electrical coupling sensitivity of the nanofludic devices, we demonstrate the application of PyGO in a real-time detection device for monitoring ion concentrations in nutrient solutions, paving the way for smart irrigation systems in agriculture. This work presents a novel and effective strategy for light-driven ion transport with potential applications in energy conversion and beyond.
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Affiliation(s)
- Yaxin Guo
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai, 200438, P. R. China
| | - Xin Zhang
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai, 200438, P. R. China
| | - Shan Zhou
- College of Materials Science and Engineering, Institute of Biomedical Materials and Engineering, Qingdao University, Qingdao, 266071, P. R. China
| | - Qirui Liang
- Qingdao Innovation and Development Center, Harbin Engineering University, Qingdao, 266400, P. R. China
| | - Hui Zeng
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai, 200438, P. R. China
| | - Yeqing Xu
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai, 200438, P. R. China
| | - Abuduheiremu Awati
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai, 200438, P. R. China
| | - Kang Liang
- School of Chemical Engineering and Graduate School of Biomedical Engineering, The University of New South Wales, Sydney, New South Wales, 2052, Australia
| | - Dazhang Zhu
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092, P. R. China
| | - Mingxian Liu
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, Tongji University, Shanghai, 200092, P. R. China
| | - Lei Jiang
- CAS Key Laboratory of Bio-Inspired Materials and Interfacial Science, Technical Institute of Physics Chemistry Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Biao Kong
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Laboratory of Advanced Materials, Shanghai Key Lab of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai, 200438, P. R. China
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4
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Liang K, Nicoli F, Shehimy SA, Penocchio E, Di Noja S, Li Y, Bonfio C, Borsley S, Ragazzon G. Catalysis-driven Active Transport Across a Liquid Membrane. Angew Chem Int Ed Engl 2025; 64:e202421234. [PMID: 39918059 PMCID: PMC11976200 DOI: 10.1002/anie.202421234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2024] [Accepted: 01/31/2025] [Indexed: 03/05/2025]
Abstract
Biology has mastered energy transduction, converting energy between various forms, and employing it to drive its vital processes. Central to this is the ability to use chemical energy for the active transport of substances, pumping ions and molecules across hydrophobic lipid membranes between aqueous (sub)cellular compartments. Biology employs information ratchet mechanisms, where kinetic asymmetry in the fuel-to-waste (i. e., substrate-to-product) conversion results in catalysis-driven active transport. Here, we report an artificial system for catalysis-driven active transport across a hydrophobic phase, pumping a maleic acid cargo between aqueous compartments. We employ two strategies to differentiate the conditions in either compartment, showing that active transport can be driven either by adding fuel to a single compartment, or by differentiating the rates of activation and/or hydrolysis when fuel is present in both compartments. We characterize the nonequilibrium system through complete kinetic analysis. Finally, we quantify the energy transduction achieved by the catalysis-driven active transport and establish the emergence of positive and negative feedback mechanisms within the system.
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Affiliation(s)
- Kaiyuan Liang
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS)University of Strasbourg & CNRS, UMR 70068 Allée Gaspard Monge67000StrasbourgFR
| | - Federico Nicoli
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS)University of Strasbourg & CNRS, UMR 70068 Allée Gaspard Monge67000StrasbourgFR
| | - Shaymaa Al Shehimy
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS)University of Strasbourg & CNRS, UMR 70068 Allée Gaspard Monge67000StrasbourgFR
| | | | - Simone Di Noja
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS)University of Strasbourg & CNRS, UMR 70068 Allée Gaspard Monge67000StrasbourgFR
| | - Yuhan Li
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS)University of Strasbourg & CNRS, UMR 70068 Allée Gaspard Monge67000StrasbourgFR
| | - Claudia Bonfio
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS)University of Strasbourg & CNRS, UMR 70068 Allée Gaspard Monge67000StrasbourgFR
- Strasbourg Institute for Advanced Studies (USIAS)University of Strasbourg5 allée du Général Rouvillois67000StrasbourgFR
- Department of BiochemistryUniversity of CambridgeCambridge CB21GAUK
| | - Stefan Borsley
- Department of ChemistryDurham University Lower MountjoyStockton RoadDurham DH1 3LEUK
| | - Giulio Ragazzon
- Institut de Science et d'Ingénierie Supramoléculaires (ISIS)University of Strasbourg & CNRS, UMR 70068 Allée Gaspard Monge67000StrasbourgFR
- Strasbourg Institute for Advanced Studies (USIAS)University of Strasbourg5 allée du Général Rouvillois67000StrasbourgFR
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5
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Ma H, Kang Y, Xu W, Shen Y, Yu H, Hu H, Tang X, Xu JF, Zhang X. An Immediate Bacterial-Responsive Supramolecular Thio-Naphthalene Diimide: A Real-Time NIR-II Photothermal Anti-Bacterial. Angew Chem Int Ed Engl 2025:e202505069. [PMID: 40192581 DOI: 10.1002/anie.202505069] [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: 03/03/2025] [Revised: 03/20/2025] [Accepted: 04/04/2025] [Indexed: 04/15/2025]
Abstract
A new kind of supramolecular thio-naphthalene diimide (SNDI) which can be immediately reduced as supramolecular radical anion by bacteria is reported. The introduction of thiocarbonyl effectively elevates the reduction potential of SNDI, largely increasing the bacteria-response speed in hypoxia. It selectively distinguishes the bacteria with high and low reduction ability in real time. The host-guest complexation of SNDI and cucurbit[7]uril can enhance radical anion quantum yield, ensuring intense NIR-II absorption and realizing high photothermal conversion. The real-time NIR-II photothermal anti-bacteria is successfully carried out. This development will enrich the design of bio-responsive agent with promising future towards actual application.
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Affiliation(s)
- He Ma
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Yushen Kang
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Weiquan Xu
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Yuanchen Shen
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Huacheng Yu
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Hao Hu
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Xingchen Tang
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Jiang-Fei Xu
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Xi Zhang
- Key Lab of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
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6
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Jia P, Han Z, Chen J, Liu J, Wang L, Zhang X, Guo Y, Zhou J. Pt@WS 2 Mott-Schottky Heterojunction Boosts Light-Driven Active Ion Transport for Enhanced Ionic Power Harvesting. ACS NANO 2024; 18:35729-35737. [PMID: 39680712 DOI: 10.1021/acsnano.4c15723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2024]
Abstract
Bioinspired light-driven ion transport in two-dimensional (2D) nanofluidics offers exciting prospects for solar energy harvesting. Current single-component nanofluidic membranes often suffer from low light-induced driving forces due to the easy recombination of photogenerated electron-hole pairs. Herein, we present a Pt@WS2 Mott-Schottky heterojunction-based 2D nanofluidic membrane for boosting light-driven active ion transport and solar enhanced ionic power harvesting. The photovoltaic effect in the Mott-Schottky heterojunctions and photoconductance effect in WS2 multilayers account for more efficient charge separation across the nanofluidic membrane. In an equilibrium electrolyte solution, we observe directional cationic transport from the WS2 to the Pt region under visible-light illumination. In 10-3 M KCl electrolyte, the photocurrent and photovoltage reach 11.84 μA cm-2 and 30.67 mV, respectively. Moreover, the output power can reach up to 5.02 W m-2 under light illumination, compared to a value of 2.56 W m-2 without irradiation. This work not only introduces a driving mechanism for boosting ion transport but also offers a pathway for integrating multiple energy sources.
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Affiliation(s)
- Pan Jia
- Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Material Science, Hebei Normal University, Shijiazhuang 050024, P. R. China
| | - Zhitong Han
- Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Material Science, Hebei Normal University, Shijiazhuang 050024, P. R. China
| | - Jiansheng Chen
- Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Material Science, Hebei Normal University, Shijiazhuang 050024, P. R. China
| | - Junchao Liu
- School of Sciences, Xi'an University of Technology, Xi'an 710048, P. R. China
| | - Lina Wang
- Testing and Analysis Center, Hebei Normal University, Shijiazhuang 050024, P. R. China
| | - Xinyi Zhang
- Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Material Science, Hebei Normal University, Shijiazhuang 050024, P. R. China
| | - Yue Guo
- Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Material Science, Hebei Normal University, Shijiazhuang 050024, P. R. China
| | - Jinming Zhou
- Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Material Science, Hebei Normal University, Shijiazhuang 050024, P. R. China
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7
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Gotfredsen H, Hergenhahn J, Duarte F, Claridge TDW, Anderson HL. Bimolecular Sandwich Aggregates of Porphyrin Nanorings. J Am Chem Soc 2024; 146:25232-25244. [PMID: 39186461 PMCID: PMC11403599 DOI: 10.1021/jacs.4c09267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/28/2024]
Abstract
Extended π-systems often form supramolecular aggregates, drastically changing their optical and electronic properties. However, aggregation processes can be difficult to characterize or predict. Here, we show that butadiyne-linked 8- and 12-porphyrin nanorings form stable and well-defined bimolecular aggregates with remarkably sharp NMR spectra, despite their dynamic structures and high molecular weights (12.7 to 26.0 kDa). Pyridine breaks up the aggregates into their constituent rings, which are in slow exchange with the aggregates on the NMR time scale. All the aggregates have the same general two-layer sandwich structure, as deduced from NMR spectroscopy experiments, including 1H DOSY, 1H-1H COSY, TOCSY, NOESY, and 1H-13C HSQC. This structure was confirmed by analysis of residual dipolar couplings from 13C-coupled 1H-13C HSQC experiments on one of the 12-ring aggregates. Variable-temperature NMR spectroscopy revealed an internal ring-on-ring rotation process by which two π-π stacked conformers interconvert via a staggered conformation. A slower dynamic process, involving rotation of individual porphyrin units, was also detected by exchange spectroscopy in the 8-ring aggregates, implying partial disaggregation and reassociation. Molecular dynamics simulations indicate that the 8-ring aggregates are bowl-shaped and highly fluxional, compared to the 12-ring aggregates, which are cylindrical. This work demonstrates that large π-systems can form surprisingly well-defined aggregates and may inspire the design of other noncovalent assemblies.
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Affiliation(s)
- Henrik Gotfredsen
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, Oxford, OX1 3TA, U.K
| | - Janko Hergenhahn
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, Oxford, OX1 3TA, U.K
| | - Fernanda Duarte
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, Oxford, OX1 3TA, U.K
| | - Timothy D W Claridge
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, Oxford, OX1 3TA, U.K
| | - Harry L Anderson
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, Oxford, OX1 3TA, U.K
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8
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Reißenweber L, Uhl E, Hampel F, Mayer P, Dube H. Directionality Reversal and Shift of Rotational Axis in a Hemithioindigo Macrocyclic Molecular Motor. J Am Chem Soc 2024; 146:23387-23397. [PMID: 39109636 PMCID: PMC11345773 DOI: 10.1021/jacs.4c06377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 07/22/2024] [Accepted: 07/23/2024] [Indexed: 08/22/2024]
Abstract
Molecular motors are central driving units for nanomachinery, and control of their directional motions is of fundamental importance for their functions. Light-driven variants use easy to provide, easy to dose, and waste-free fuel with high energy content, making them particularly interesting for applications. Typically, light-driven molecular motors work via rotations around dedicated chemical bonds where the directionality of the rotation is dictated by the steric effects of asymmetry in close vicinity to the rotation axis. In this work, we show how unidirectional rotation around a virtual axis can be realized by reprogramming a molecular motor. To this end, a classical light-driven motor is restricted by macrocyclization, and its intrinsic directional rotation is transformed into a directional rotation of the macrocyclic chain in the opposite direction. Further, solvent polarity changes allow to toggle the function of this molecular machine between a directional motor and a nondirectional photoswitch. In this way, a new concept for the design of molecular motors is delivered together with elaborate control over their motions and functions by simple solvent changes. The possibility of sensing the environmental polarity and correspondingly adjusting the directionality of motions opens up a next level of control and responsiveness to light-driven nanoscopic motors.
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Affiliation(s)
- Lilli Reißenweber
- Department
of Chemistry and Pharmacy, Friedrich-Alexander-Universität
Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058 Erlangen, Germany
| | - Edgar Uhl
- Department
of Chemistry and Munich Center for Integrated Protein Science CIPSM, Ludwig-Maximilians-Universität München, D-81377 Munich, Germany
| | - Frank Hampel
- Department
of Chemistry and Pharmacy, Friedrich-Alexander-Universität
Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058 Erlangen, Germany
| | - Peter Mayer
- Department
of Chemistry and Munich Center for Integrated Protein Science CIPSM, Ludwig-Maximilians-Universität München, D-81377 Munich, Germany
| | - Henry Dube
- Department
of Chemistry and Pharmacy, Friedrich-Alexander-Universität
Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058 Erlangen, Germany
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9
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Borsley S, Leigh DA, Roberts BMW. Molecular Ratchets and Kinetic Asymmetry: Giving Chemistry Direction. Angew Chem Int Ed Engl 2024; 63:e202400495. [PMID: 38568047 DOI: 10.1002/anie.202400495] [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: 01/12/2024] [Indexed: 05/03/2024]
Abstract
Over the last two decades ratchet mechanisms have transformed the understanding and design of stochastic molecular systems-biological, chemical and physical-in a move away from the mechanical macroscopic analogies that dominated thinking regarding molecular dynamics in the 1990s and early 2000s (e.g. pistons, springs, etc), to the more scale-relevant concepts that underpin out-of-equilibrium research in the molecular sciences today. Ratcheting has established molecular nanotechnology as a research frontier for energy transduction and metabolism, and has enabled the reverse engineering of biomolecular machinery, delivering insights into how molecules 'walk' and track-based synthesisers operate, how the acceleration of chemical reactions enables energy to be transduced by catalysts (both motor proteins and synthetic catalysts), and how dynamic systems can be driven away from equilibrium through catalysis. The recognition of molecular ratchet mechanisms in biology, and their invention in synthetic systems, is proving significant in areas as diverse as supramolecular chemistry, systems chemistry, dynamic covalent chemistry, DNA nanotechnology, polymer and materials science, molecular biology, heterogeneous catalysis, endergonic synthesis, the origin of life, and many other branches of chemical science. Put simply, ratchet mechanisms give chemistry direction. Kinetic asymmetry, the key feature of ratcheting, is the dynamic counterpart of structural asymmetry (i.e. chirality). Given the ubiquity of ratchet mechanisms in endergonic chemical processes in biology, and their significance for behaviour and function from systems to synthesis, it is surely just as fundamentally important. This Review charts the recognition, invention and development of molecular ratchets, focussing particularly on the role for which they were originally envisaged in chemistry, as design elements for molecular machinery. Different kinetically asymmetric systems are compared, and the consequences of their dynamic behaviour discussed. These archetypal examples demonstrate how chemical systems can be driven inexorably away from equilibrium, rather than relax towards it.
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Affiliation(s)
- Stefan Borsley
- Department of Chemistry, The University of Manchester, Oxford Road, M13 9PL, Manchester, United Kingdom
| | - David A Leigh
- Department of Chemistry, The University of Manchester, Oxford Road, M13 9PL, Manchester, United Kingdom
| | - Benjamin M W Roberts
- Department of Chemistry, The University of Manchester, Oxford Road, M13 9PL, Manchester, United Kingdom
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10
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Wega J, Zhang KF, Lacour J, Vauthey E. Controlling Symmetry-Breaking Charge Separation in Pyrene Bichromophores. J Phys Chem Lett 2024:2834-2840. [PMID: 38442038 DOI: 10.1021/acs.jpclett.4c00337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2024]
Abstract
So far, symmetry-breaking charge separation (SB-CS) has been observed with a limited number of chromophores and is usually inhibited by the formation of an excimer. , We show here that thanks to of fine-tuning of the interchromophore coupling via structural control, SB-CS can be operative with pyrene, despite its high propensity to form an excimer. This is realized with a bichromophoric system consisting of two pyrenes attached to a crown ether macrocycle, which can bind cations of different sizes. By combining stationary and time-resolved spectroscopy together with molecular dynamics simulations, we demonstrate that the excited-state dynamics can be totally changed depending on the binding cation. Whereas strong coupling leads to rapid excimer formation, too weak coupling results in noninteracting chromophores. However, intermediate coupling, achieved upon binding of Mg2+, allows for SB-CS to be operative.
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11
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Chao X, Johnson TG, Temian MC, Docker A, Wallabregue ALD, Scott A, Conway SJ, Langton MJ. Coupling Photoresponsive Transmembrane Ion Transport with Transition Metal Catalysis. J Am Chem Soc 2024; 146:4351-4356. [PMID: 38334376 PMCID: PMC10885138 DOI: 10.1021/jacs.3c13801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 01/30/2024] [Accepted: 01/31/2024] [Indexed: 02/10/2024]
Abstract
Artificial ion transporters have been explored both as tools for studying fundamental ion transport processes and as potential therapeutics for cancer and channelopathies. Here we demonstrate that synthetic transporters may also be used to regulate the transport of catalytic metal ions across lipid membranes and thus control chemical reactivity inside lipid-bound compartments. We show that acyclic lipophilic pyridyltriazoles enable Pd(II) cations to be transported from the external aqueous phase across the lipid bilayer and into the interior of large unilamellar vesicles. In situ reduction generates Pd(0) species, which catalyze the generation of a fluorescent product. Photocaging the Pd(II) transporter allows for photoactivation of the transport process and hence photocontrol over the internal catalysis process. This work demonstrates that artificial transporters enable control over catalysis inside artificial cell-like systems, which could form the basis of biocompatible nanoreactors for applications such as drug synthesis and delivery or to mediate phototargeted catalyst delivery into cells.
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Affiliation(s)
- Xiangyu Chao
- Chemistry
Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K.
| | - Toby G. Johnson
- Chemistry
Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K.
| | - Maria-Carmen Temian
- Chemistry
Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K.
| | - Andrew Docker
- Chemistry
Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K.
| | | | - Aaron Scott
- Chemistry
Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K.
| | - Stuart J. Conway
- Chemistry
Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K.
- Department
of Chemistry & Biochemistry, University
of California Los Angeles, 607 Charles E. Young Drive East, P.O. Box 951569, Los Angeles, California 90095-1569, United States
| | - Matthew J. Langton
- Chemistry
Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K.
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12
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Yahagh A, Kaswan RR, Kazemi S, Karr PA, D'Souza F. Symmetry breaking charge transfer leading to charge separation in a far-red absorbing bisstyryl-BODIPY dimer. Chem Sci 2024; 15:906-913. [PMID: 38239676 PMCID: PMC10793208 DOI: 10.1039/d3sc05034c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 12/14/2023] [Indexed: 01/22/2024] Open
Abstract
Symmetry breaking charge transfer is one of the important photo-events occurring in photosynthetic reaction centers that is responsible for initiating electron transfer leading to a long-lived charge-separated state and has been successfully employed in light-to-electricity converting optoelectronic devices. In the present study, we report a newly synthesized, far-red absorbing and emitting BODIPY-dimer to undergo symmetry-breaking charge transfer leading to charge-separated states of appreciable lifetimes in polar solvents. Compared to its monomer analog, both steady-state and time-resolved fluorescence originating from the S1 state of the dimer revealed quenching which increased with an increase in solvent polarity. The electrostatic potential map from DFT and the time-dependent DFT calculations suggested the existence of a quadrupolar type charge transfer state in polar solvents, and the singlet excited state to be involved in the charge separation process. The electrochemically determined redox gap being smaller than the energy of the S1 state supported the thermodynamic feasibility of the envisioned symmetry-breaking charge transfer and separation. The spectrum of the charge-separated state arrived from spectroelectrochemical studies, revealing diagnostic peaks helpful for transient spectral interpretation. Finally, ultrafast transient pump-probe spectroscopy provided conclusive evidence of diabatic charge separation in polar solvents by far-red pulsed laser light irradiation. The measured lifetime of the final charge-separated states was found to be 165 ps in dichlorobenzene, 140 ps in benzonitrile, and 43 ps in dimethyl sulfoxide, revealing their significance in light energy harvesting, especially from the less-explored far-red region.
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Affiliation(s)
- Aida Yahagh
- Department of Chemistry, University of North Texas 1155 Union Circle #305070 Denton TX 76203-5017 USA
| | - Ram R Kaswan
- Department of Chemistry, University of North Texas 1155 Union Circle #305070 Denton TX 76203-5017 USA
| | - Shahrzad Kazemi
- Department of Chemistry, University of North Texas 1155 Union Circle #305070 Denton TX 76203-5017 USA
| | - Paul A Karr
- Department of Physical Sciences and Mathematics, Wayne State College 111 Main Street Wayne NE 68787 USA
| | - Francis D'Souza
- Department of Chemistry, University of North Texas 1155 Union Circle #305070 Denton TX 76203-5017 USA
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13
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Wega J, Vauthey E. Bimolecular photoinduced symmetry-breaking charge separation of perylene in solution. Photochem Photobiol Sci 2024; 23:93-105. [PMID: 38133700 PMCID: PMC10834668 DOI: 10.1007/s43630-023-00504-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 11/05/2023] [Indexed: 12/23/2023]
Abstract
Photoinduced symmetry-breaking charge separation (SB-CS) results in the generation of charge carriers through electron transfer between two identical molecules, after photoexcitation of one of them. It is usually studied in systems where the two reacting moieties are covalently linked. Examples of photoinduced bimolecular SB-CS with organic molecules yielding free ions remain scarce due to solubility or aggregation issues at the high concentrations needed to study this diffusion-assisted process. Here we investigate the excited-state dynamics of perylene (Pe) at high concentrations in solvents of varying polarity. Transient absorption spectroscopy on the subnanosecond to microsecond timescales reveal that self-quenching of Pe in the lowest singlet excited state leads to excimer formation in all solvents used. Additionally, bimolecular SB-CS, resulting in the generation of free ions, occurs concurrently to excimer formation in polar media, with a relative efficiency that increases with the polarity of the solvent. Moreover, we show that SB-CS is most efficient in room-temperature ionic liquids due to a charge-shielding effect leading to a larger escape of ions and due to the high viscosity that disfavours excimer formation.
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Affiliation(s)
- Johannes Wega
- Department of Physical Chemistry, University of Geneva, Quai Ernest Ansermet 30, 1205, Geneva, Switzerland
| | - Eric Vauthey
- Department of Physical Chemistry, University of Geneva, Quai Ernest Ansermet 30, 1205, Geneva, Switzerland.
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14
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Johnson TG, Langton MJ. Molecular Machines For The Control Of Transmembrane Transport. J Am Chem Soc 2023; 145:27167-27184. [PMID: 38062763 PMCID: PMC10740008 DOI: 10.1021/jacs.3c08877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 11/21/2023] [Accepted: 11/22/2023] [Indexed: 12/21/2023]
Abstract
Nature embeds some of its molecular machinery, including ion pumps, within lipid bilayer membranes. This has inspired chemists to attempt to develop synthetic analogues to exploit membrane confinement and transmembrane potential gradients, much like their biological cousins. In this perspective, we outline the various strategies by which molecular machines─molecular systems in which a nanomechanical motion is exploited for function─have been designed to be incorporated within lipid membranes and utilized to mediate transmembrane ion transport. We survey molecular machines spanning both switches and motors, those that act as mobile carriers or that are anchored within the membrane, mechanically interlocked molecules, and examples that are activated in response to external stimuli.
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Affiliation(s)
- Toby G. Johnson
- Department of Chemistry, Chemistry
Research Laboratory, University of Oxford Mansfield Road, Oxford OX1 3TA United Kingdom
| | - Matthew J. Langton
- Department of Chemistry, Chemistry
Research Laboratory, University of Oxford Mansfield Road, Oxford OX1 3TA United Kingdom
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15
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Du X, Liu J, Han Z, Chen J, Wang L, Zhang X, Guo Y, Liu X, Zhou J, Jia P. Efficient photo-driven ion pump through slightly reduced vertical graphene oxide membranes. Dalton Trans 2023; 53:215-222. [PMID: 38032350 DOI: 10.1039/d3dt02303f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
Solar energy can be harvested using biological light-driven ion pumps for the sustainability of life. It remains a significant challenge to develop high-performance artificial light-driven ion pumps for solar energy harvesting in all solid-state materials. Here, we exploit the benefits of short channel lengths and efficient light absorption to demonstrate efficient photo-driven ion transport in slightly reduced vertical graphene oxide membranes (GOMs). Remarkably, this photo-driven ion pump exhibits excellent ability, countering a 10-fold electrolyte concentration gradient. We propose a plausible mechanism where light illumination enhances the electric potential of ion channels on GOMs triggered by the separation of photoexcited charge carriers between the sp2 and sp3 carbon clusters. This results in the establishment of an electric potential difference across the effective ion channels composed of sp3 carbon clusters, thus driving the directional transport of cations from the illuminated side to the non-illuminated side. The promising results of this study provide new possibilities for the application of vertical 2D nanofluidic membranes in areas such as artificial photosynthesis, light harvesting, and water treatment.
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Affiliation(s)
- Xinyi Du
- Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, P. R. China.
| | - Junchao Liu
- School of Sciences, Xi'an University of Technology, Xi'an 710048, P. R. China
| | - Zhitong Han
- Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, P. R. China.
| | - Jiansheng Chen
- Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, P. R. China.
| | - Lina Wang
- Testing and Analysis Center, Hebei Normal University, Shijiazhuang 050024, P. R. China
| | - Xinyi Zhang
- Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, P. R. China.
| | - Yue Guo
- Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, P. R. China.
| | - Xuran Liu
- College of Material Engineering, North China Institute of Aerospace Engineering, Langfang 065000, P. R. China
| | - Jinming Zhou
- Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, P. R. China.
| | - Pan Jia
- Hebei Key Laboratory of Inorganic Nanomaterials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, P. R. China.
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16
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Velasco-Garcia L, Casadevall C. Bioinspired photocatalytic systems towards compartmentalized artificial photosynthesis. Commun Chem 2023; 6:263. [PMID: 38049562 PMCID: PMC10695942 DOI: 10.1038/s42004-023-01069-z] [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: 09/03/2023] [Accepted: 11/21/2023] [Indexed: 12/06/2023] Open
Abstract
Artificial photosynthesis aims to produce fuels and chemicals from simple building blocks (i.e. water and carbon dioxide) using sunlight as energy source. Achieving effective photocatalytic systems necessitates a comprehensive understanding of the underlying mechanisms and factors that control the reactivity. This review underscores the growing interest in utilizing bioinspired artificial vesicles to develop compartmentalized photocatalytic systems. Herein, we summarize different scaffolds employed to develop artificial vesicles, and discuss recent examples where such systems are used to study pivotal processes of artificial photosynthesis, including light harvesting, charge transfer, and fuel production. These systems offer valuable lessons regarding the appropriate choice of membrane scaffolds, reaction partners and spatial arrangement to enhance photocatalytic activity, selectivity and efficiency. These studies highlight the pivotal role of the membrane to increase the stability of the immobilized reaction partners, generate a suitable local environment, and force proximity between electron donor and acceptor molecules (or catalysts and photosensitizers) to increase electron transfer rates. Overall, these findings pave the way for further development of bioinspired photocatalytic systems for compartmentalized artificial photosynthesis.
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Affiliation(s)
- Laura Velasco-Garcia
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda dels Països Catalans, 16, 43007, Tarragona, Spain
- Department of Physical and Inorganic Chemistry, University Rovira i Virgili (URV), C/ Marcel.lí Domingo, 1, 43007, Tarragona, Spain
| | - Carla Casadevall
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avinguda dels Països Catalans, 16, 43007, Tarragona, Spain.
- Department of Physical and Inorganic Chemistry, University Rovira i Virgili (URV), C/ Marcel.lí Domingo, 1, 43007, Tarragona, Spain.
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17
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Duindam N, van Dongen M, Siegler MA, Wezenberg SJ. Monodirectional Photocycle Drives Proton Translocation. J Am Chem Soc 2023; 145:21020-21026. [PMID: 37712835 PMCID: PMC10540201 DOI: 10.1021/jacs.3c06587] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Indexed: 09/16/2023]
Abstract
Photoisomerization of retinal is pivotal to ion translocation across the bacterial membrane and has served as an inspiration for the development of artificial molecular switches and machines. Light-driven synthetic systems in which a macrocyclic component transits along a nonsymmetric axle in a specific direction have been reported; however, unidirectional and repetitive translocation of protons has not been achieved. Herein, we describe a unique protonation-controlled isomerization behavior for hemi-indigo dyes bearing N-heterocycles, featuring intramolecular hydrogen bonds. Light-induced isomerization from the Z to E isomer is unlocked when protonated, while reverse E → Z photoisomerization occurs in the neutral state. As a consequence, associated protons are displaced in a preferred direction with respect to the photoswitchable scaffold. These results will prove to be critical in developing artificial systems in which concentration gradients can be effectively generated using (solar) light energy.
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Affiliation(s)
- Nol Duindam
- Leiden
Institute of Chemistry, Leiden University, Einsteinweg 55, Leiden 2333 CC, The Netherlands
| | - Michelle van Dongen
- Leiden
Institute of Chemistry, Leiden University, Einsteinweg 55, Leiden 2333 CC, The Netherlands
| | - Maxime A. Siegler
- Department
of Chemistry, Johns Hopkins University, 3400 N. Charles St., Baltimore, Maryland 21218, United States
| | - Sander J. Wezenberg
- Leiden
Institute of Chemistry, Leiden University, Einsteinweg 55, Leiden 2333 CC, The Netherlands
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18
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Aromatic-bridged and meso-meso-linked BF 2-smaragdyrin dimers exhibit fast decays in polar solvents by symmetry-breaking charge transfer. Commun Chem 2023; 6:25. [PMID: 36759744 PMCID: PMC9911704 DOI: 10.1038/s42004-023-00822-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 01/27/2023] [Indexed: 02/11/2023] Open
Abstract
Symmetry-breaking charge transfer is one of the key process in photosynthetic reaction centers and specific artificial optoelectronic devices such as dye-sensitized solar cells. Here we report the synthesis of aromatic-bridged BF2-smaragdyrin dimers, meso-free BF2-smaragdyrin, and its meso-meso-linked BF2-smaragdyrin dimer. The decays of S1-states of these dimers are accelerated with an increase in solvent polarity and a decrease in the distance between the two BF2-smaragdyrin units, suggesting symmetry-breaking charge transfer. The fluorescence lifetimes of the dimers become shortened in polar solvents. However, ultrafast transient absorption spectroscopy do not detect charge-separated ion pairs. On the basis of these results, we conclude that the decays of the excited states of the BF2-smaragdyrin dimers are accelerated by solvation-induced symmetry-breaking charge transfer, depending on the degree of the electronic interaction between the smaragdryin units as a rare case for porphyrinoids. The degree of charge transfer is larger for dimers with larger electronic interactions.
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19
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Molecular Tetris by sequence-specific stacking of hydrogen bonding molecular clips. Commun Chem 2022; 5:180. [PMID: 36697760 PMCID: PMC9814962 DOI: 10.1038/s42004-022-00802-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 12/20/2022] [Indexed: 12/29/2022] Open
Abstract
A face-to-face stacking of aromatic rings is an effective non-covalent strategy to build functional architectures, as elegantly exemplified with protein folding and polynucleotide assembly. However, weak, non-directional, and context-sensitive van der Waals forces pose a significant challenge if one wishes to construct well-organized π-stacks outside the confines of the biological matrix. To meet this design challenge, we have devised a rigid polycyclic template to create a non-collapsible void between two parallel oriented π-faces. In solution, these shape-persistent aromatic clips self-dimerize to form quadruple π-stacks, the thermodynamic stability of which is enhanced by self-complementary N-H···N hydrogen bonds, and finely regulated by the regioisomerism of the π-canopy unit. With assistance from sufficient electrostatic polarization of the π-surface and bifurcated hydrogen bonds, a small polyheterocyclic guest can effectively compete against the self-dimerization of the host to afford a triple π-stack inclusion complex. A combination of solution spectroscopic, X-ray crystallographic, and computational studies aided a detailed understanding of this cooperative vs competitive process to afford layered aromatics with extraordinary structural regularity and fidelity.
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20
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Yamaguchi T, Ogawa M. Photoinduced movement: how photoirradiation induced the movements of matter. SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS 2022; 23:796-844. [PMID: 36465797 PMCID: PMC9718566 DOI: 10.1080/14686996.2022.2142955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 10/26/2022] [Accepted: 10/27/2022] [Indexed: 06/17/2023]
Abstract
Pioneered by the success on active transport of ions across membranes in 1980 using the regulation of the binding properties of crown ethers with covalently linked photoisomerizable units, extensive studies on the movements by using varied interactions between moving objects and environments have been reported. Photoinduced movements of various objects ranging from molecules, polymers to microscopic particles were discussed from the aspects of the driving for the movements, materials design to achieve the movements and systems design to see and to utilize the movements are summarized in this review.
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Affiliation(s)
- Tetsuo Yamaguchi
- Department of Energy and Materials Engineering, Dongguk University-Seoul, Seoul, South Korea
| | - Makoto Ogawa
- School of Energy Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong, Thailand
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21
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Ivanov AI. Modeling the Effect of H-Bonding of Excited Quadrupolar Molecules with a Solvent on Charge Transfer Symmetry Breaking. J Phys Chem B 2022; 126:9038-9046. [DOI: 10.1021/acs.jpcb.2c05984] [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)
- Anatoly I. Ivanov
- Volgograd State University, University Avenue 100, Volgograd400062, Russia
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22
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Zhang J, Liu W, Dai J, Xiao K. Nanoionics from Biological to Artificial Systems: An Alternative Beyond Nanoelectronics. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2200534. [PMID: 35723422 PMCID: PMC9376752 DOI: 10.1002/advs.202200534] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 05/20/2022] [Indexed: 06/15/2023]
Abstract
Ion transport under nanoconfined spaces is a ubiquitous phenomenon in nature and plays an important role in the energy conversion and signal transduction processes of both biological and artificial systems. Unlike the free diffusion in continuum media, anomalous behaviors of ions are often observed in nanostructured systems, which is governed by the complex interplay between various interfacial interactions. Conventionally, nanoionics mainly refers to the study of ion transport in solid-state nanosystems. In this review, to extent this concept is proposed and a new framework to understand the phenomena, mechanism, methodology, and application associated with ion transport at the nanoscale is put forward. Specifically, here nanoionics is summarized into three categories, i.e., biological, artificial, and hybrid, and discussed the characteristics of each system. Compared with nanoelectronics, nanoionics is an emerging research field with many theoretical and practical challenges. With this forward-looking perspective, it is hoped that nanoionics can attract increasing attention and find wide range of applications as nanoelectronics.
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Affiliation(s)
- Jianrui Zhang
- Department of Biomedical EngineeringSouthern University of Science and Technology (SUSTech)Shenzhen518055P. R. China
- Guangdong Provincial Key Laboratory of Advanced BiomaterialsSouthern University of Science and TechnologyShenzhen518055P. R. China
| | - Wenchao Liu
- Department of Biomedical EngineeringSouthern University of Science and Technology (SUSTech)Shenzhen518055P. R. China
- Guangdong Provincial Key Laboratory of Advanced BiomaterialsSouthern University of Science and TechnologyShenzhen518055P. R. China
| | - Jiqing Dai
- Department of Biomedical EngineeringSouthern University of Science and Technology (SUSTech)Shenzhen518055P. R. China
- Guangdong Provincial Key Laboratory of Advanced BiomaterialsSouthern University of Science and TechnologyShenzhen518055P. R. China
| | - Kai Xiao
- Department of Biomedical EngineeringSouthern University of Science and Technology (SUSTech)Shenzhen518055P. R. China
- Guangdong Provincial Key Laboratory of Advanced BiomaterialsSouthern University of Science and TechnologyShenzhen518055P. R. China
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23
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Sato K, Sasaki R, Matsuda R, Nakagawa M, Ekimoto T, Yamane T, Ikeguchi M, Tabata KV, Noji H, Kinbara K. Supramolecular Mechanosensitive Potassium Channel Formed by Fluorinated Amphiphilic Cyclophane. J Am Chem Soc 2022; 144:11802-11809. [PMID: 35727684 DOI: 10.1021/jacs.2c04118] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Inspired by mechanosensitive potassium channels found in nature, we developed a fluorinated amphiphilic cyclophane composed of fluorinated rigid aromatic units connected via flexible hydrophilic octa(ethylene glycol) chains. Microscopic and emission spectroscopic studies revealed that the cyclophane could be incorporated into the hydrophobic layer of the lipid bilayer membranes and self-assembled to form a supramolecular transmembrane ion channel. Current recording measurements using cyclophane-containing planer lipid bilayer membranes successfully demonstrated an efficient transmembrane ion transport. We also demonstrated that the ion transport property was sensitive to the mechanical forces applied to the membranes. In addition, ion transport assays using pH-sensitive fluorescence dye revealed that the supramolecular channel possesses potassium ion selectivity. We also performed all-atom hybrid quantum-mechanical/molecular mechanical simulations to assess the channel structures at atomic resolution and the mechanism of selective potassium ion transport. This research demonstrated the first example of a synthetic mechanosensitive potassium channel, which would open a new door to sensing and manipulating biologically important processes and purification of key materials in industries.
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Affiliation(s)
- Kohei Sato
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
| | - Ryo Sasaki
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
| | - Ryoto Matsuda
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
| | - Mayuko Nakagawa
- Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Toru Ekimoto
- Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Tsutomu Yamane
- Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Mitsunori Ikeguchi
- Graduate School of Medical Life Science, Yokohama City University, 1-7-29 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Kazuhito V Tabata
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Hiroyuki Noji
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Kazushi Kinbara
- School of Life Science and Technology, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan.,World Research Hub Initiative, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa 226-8501, Japan
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24
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Rodríguez-Jiménez S, Song H, Lam E, Wright D, Pannwitz A, Bonke SA, Baumberg JJ, Bonnet S, Hammarström L, Reisner E. Self-Assembled Liposomes Enhance Electron Transfer for Efficient Photocatalytic CO 2 Reduction. J Am Chem Soc 2022; 144:9399-9412. [PMID: 35594410 PMCID: PMC9164230 DOI: 10.1021/jacs.2c01725] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Light-driven conversion of CO2 to chemicals provides a sustainable alternative to fossil fuels, but homogeneous systems are typically limited by cross reactivity between different redox half reactions and inefficient charge separation. Herein, we present the bioinspired development of amphiphilic photosensitizer and catalyst pairs that self-assemble in lipid membranes to overcome some of these limitations and enable photocatalytic CO2 reduction in liposomes using precious metal-free catalysts. Using sodium ascorbate as a sacrificial electron source, a membrane-anchored alkylated cobalt porphyrin demonstrates higher catalytic CO production (1456 vs 312 turnovers) and selectivity (77 vs 11%) compared to its water-soluble nonalkylated counterpart. Time-resolved and steady-state spectroscopy revealed that self-assembly facilitates this performance enhancement by enabling a charge-separation state lifetime increase of up to two orders of magnitude in the dye while allowing for a ninefold faster electron transfer to the catalyst. Spectroelectrochemistry and density functional theory calculations of the alkylated Co porphyrin catalyst support a four-electron-charging mechanism that activates the catalyst prior to catalysis, together with key catalytic intermediates. Our molecular liposome system therefore benefits from membrane immobilization and provides a versatile and efficient platform for photocatalysis.
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Affiliation(s)
| | - Hongwei Song
- Department of Chemistry - Angstrom Laboratory, Uppsala University, Box 523, 751 20 Uppsala, Sweden
| | - Erwin Lam
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
| | - Demelza Wright
- Nanophotonics Centre, Department of Physics, Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, U.K
| | - Andrea Pannwitz
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Shannon A Bonke
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
| | - Jeremy J Baumberg
- Nanophotonics Centre, Department of Physics, Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, U.K
| | - Sylvestre Bonnet
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Leif Hammarström
- Department of Chemistry - Angstrom Laboratory, Uppsala University, Box 523, 751 20 Uppsala, Sweden
| | - Erwin Reisner
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
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25
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Liu B, Vonhausen Y, Schulz A, Höbartner C, Würthner F. Peptide Backbone Directed Self-Assembly of Merocyanine Oligomers into Duplex Structures. Angew Chem Int Ed Engl 2022; 61:e202200120. [PMID: 35194914 PMCID: PMC9401582 DOI: 10.1002/anie.202200120] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Indexed: 11/10/2022]
Abstract
The pseudopeptide backbone provided by N-(2-aminoethyl)-glycine oligomers with attached nucleobases has been widely utilized in peptide nucleic acids (PNAs) as DNA mimics. Here we demonstrate the suitability of this backbone for the formation of structurally defined dye stacks. Toward this goal a series of peptide merocyanine (PMC) dye oligomers connected to a N-(2-aminoethyl)-glycine backbone were prepared through peptide synthesis. Our concentration-, temperature- and solvent-dependent UV/Vis absorption studies show that under the control of dipole-dipole interactions, smaller-sized oligomers consisting of one, two or three dyes self-assemble into defined duplex structures containing two up to six chromophores. In contrast, upon further extension of the oligomer, the chosen peptide backbone cannot direct the formation of a defined duplex architecture anymore due to intramolecular aggregation between the dyes. For all aggregate species a moderate aggregation-induced emission enhancement is observed.
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Affiliation(s)
- Bin Liu
- Institut für Organische ChemieUniversität WürzburgAm Hubland97074WürzburgGermany
| | - Yvonne Vonhausen
- Institut für Organische ChemieUniversität WürzburgAm Hubland97074WürzburgGermany
| | - Alexander Schulz
- Institut für Organische ChemieUniversität WürzburgAm Hubland97074WürzburgGermany
| | - Claudia Höbartner
- Institut für Organische ChemieUniversität WürzburgAm Hubland97074WürzburgGermany
- Center for Nanosystems Chemistry (CNC)Universität WürzburgTheodor-Boveri-Weg97074WürzburgGermany
| | - Frank Würthner
- Institut für Organische ChemieUniversität WürzburgAm Hubland97074WürzburgGermany
- Center for Nanosystems Chemistry (CNC)Universität WürzburgTheodor-Boveri-Weg97074WürzburgGermany
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26
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Sadowski B, Yuan B, Lin Z, Ackermann L. Rhodaelectro-Catalyzed peri-Selective Direct Alkenylations with Weak O-Coordination Enabled by the Hydrogen Evolution Reaction (HER). Angew Chem Int Ed Engl 2022; 61:e202117188. [PMID: 35179817 PMCID: PMC9311442 DOI: 10.1002/anie.202117188] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Indexed: 12/12/2022]
Abstract
Direct C-H functionalizations by electrocatalysis is dominated by strongly coordinating N(sp2 )-directing groups. In sharp contrast, direct electrocatalytic transformations of weakly-coordinating phenols remain underdeveloped. Herein, electrooxidative peri C-H alkenylations of challenging 1-naphthols were achieved by versatile rhodium(III) catalysis via user-friendly constant current electrolysis. The rhodaelectrocatalysis employed readily-available alkenes and a protic reaction medium and features ample scope, good functional group tolerance and high site- and stereoselectivity. The strategy was successfully applied to high-value, nitrogen-containing heterocycles, thereby providing direct access to uncommon heterocyclic motifs based on the dihydropyranoquinoline skeleton.
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Affiliation(s)
- Bartłomiej Sadowski
- Institut für Organische und Biomolekulare Chemie and Woehler Research Institute for Sustainable Chemistry (WISCh)Georg-August-Universität GöttingenTammannstraße 237077GöttingenGermany
| | - Binbin Yuan
- Institut für Organische und Biomolekulare Chemie and Woehler Research Institute for Sustainable Chemistry (WISCh)Georg-August-Universität GöttingenTammannstraße 237077GöttingenGermany
| | - Zhipeng Lin
- Institut für Organische und Biomolekulare Chemie and Woehler Research Institute for Sustainable Chemistry (WISCh)Georg-August-Universität GöttingenTammannstraße 237077GöttingenGermany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie and Woehler Research Institute for Sustainable Chemistry (WISCh)Georg-August-Universität GöttingenTammannstraße 237077GöttingenGermany
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27
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Chen L, Wu X, Gilchrist AM, Gale PA. Organoplatinum Compounds as Anion-Tuneable Uphill Hydroxide Transporters. Angew Chem Int Ed Engl 2022; 61:e202116355. [PMID: 35192743 PMCID: PMC9310596 DOI: 10.1002/anie.202116355] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Indexed: 11/12/2022]
Abstract
Active transport of ions uphill, creating a concentration gradient across a cell membrane, is essential for life. It remains a significant challenge to develop synthetic systems that allow active uphill transport. Here, a transport process fuelled by organometallic compounds is reported that creates a pH gradient. The hydrolysis reaction of PtII complexes results in the formation of aqua complexes that established rapid transmembrane movement ("flip-flop") of neutral Pt-OH species, leading to protonation of the OH group in the inner leaflet, generating OH- ions, and so increasing the pH in the intravesicular solution. The organoplatinum complex effectively transports bound hydroxide ions across the membrane in a neutral complex. The initial net flow of the PtII complex into the vesicles generates a positive electric potential that can further drive uphill transport because the electric potential is opposed to the chemical potential of OH- . The OH- ions equilibrate with this transmembrane electric potential but cannot remove it due to the relatively low permeability of the charged species. As a result, effective hydroxide transport against its concentration gradient can be achieved, and multiple additions can continuously drive the generation of OH- against its concentration gradient up to ΔpH>2. Moreover, the external addition of different anions can control the generation of OH- depending on their anion binding affinity. When anions displayed very high binding affinities towards PtII compounds, such as halides, the external anions could dissipate the pH gradient. In contrast, a further pH increase was observed for weak binding anions, such as sulfate, due to the increase of positive electric potential.
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Affiliation(s)
- Li‐Jun Chen
- School of ChemistryThe University of SydneySydneyNSW 2006Australia
| | - Xin Wu
- School of ChemistryThe University of SydneySydneyNSW 2006Australia
| | | | - Philip A. Gale
- School of ChemistryThe University of SydneySydneyNSW 2006Australia
- The University of Sydney Nano Institute (SydneyNano)The University of SydneySydneyNSW 2006Australia
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28
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Liu B, Vonhausen Y, Schulz A, Höbartner C, Würthner F. Peptide Backbone Directed Self‐Assembly of Merocyanine Oligomers into Duplex Structures. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202200120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Bin Liu
- Institut für Organische Chemie Universität Würzburg Am Hubland 97074 Würzburg Germany
| | - Yvonne Vonhausen
- Institut für Organische Chemie Universität Würzburg Am Hubland 97074 Würzburg Germany
| | - Alexander Schulz
- Institut für Organische Chemie Universität Würzburg Am Hubland 97074 Würzburg Germany
| | - Claudia Höbartner
- Institut für Organische Chemie Universität Würzburg Am Hubland 97074 Würzburg Germany
- Center for Nanosystems Chemistry (CNC) Universität Würzburg Theodor-Boveri-Weg 97074 Würzburg Germany
| | - Frank Würthner
- Institut für Organische Chemie Universität Würzburg Am Hubland 97074 Würzburg Germany
- Center for Nanosystems Chemistry (CNC) Universität Würzburg Theodor-Boveri-Weg 97074 Würzburg Germany
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29
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Chen L, Wu X, Gilchrist AM, Gale PA. Organoplatinum Compounds as Anion‐Tuneable Uphill Hydroxide Transporters. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202116355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Li‐Jun Chen
- School of Chemistry The University of Sydney Sydney NSW 2006 Australia
| | - Xin Wu
- School of Chemistry The University of Sydney Sydney NSW 2006 Australia
| | | | - Philip A. Gale
- School of Chemistry The University of Sydney Sydney NSW 2006 Australia
- The University of Sydney Nano Institute (SydneyNano) The University of Sydney Sydney NSW 2006 Australia
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30
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Isukapalli SVK, Pushparajan P, Vennapusa SR. Rationalizing the Fluorescence Behavior of Core-Substituted Naphthalene Diimides. J Phys Chem A 2022; 126:1114-1122. [PMID: 35133819 DOI: 10.1021/acs.jpca.1c09699] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We study the internal conversion (IC) and intersystem crossing (ISC) pathways of low-lying excited electronic states of three core-substituted naphthalene diimides (bNDI, yNDI, and gNDI) using wavepacket simulations within the linear vibronic coupling method. Our wavepacket simulations reproduce the experimental electronic absorption spectra very well. All molecules decay rapidly to S2 upon populating a higher dipole-allowed singlet excited-state. The S2 → S1 IC dynamics and singlet-triplet energy gap, spin-orbit coupling strength trends suggest a favorable S2 → T4 ISC in gNDI. The efficient ultrafast T4 formation and its decay to lower triplet states make gNDI nonfluorescent. Such triplet formation pathways are not operative in both bNDI and yNDI; hence, these molecules emit fluorescence from S1 after a slower S2 → S1 IC.
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Affiliation(s)
- Sai Vamsi Krishna Isukapalli
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala PO, Vithura, Thiruvananthapuram, 695551, India
| | - Priyanka Pushparajan
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala PO, Vithura, Thiruvananthapuram, 695551, India
| | - Sivaranjana Reddy Vennapusa
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Maruthamala PO, Vithura, Thiruvananthapuram, 695551, India
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31
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Xie J, Yu P, Wang Z, Li J. Recent Advances of Self-Healing Polymer Materials via Supramolecular Forces for Biomedical Applications. Biomacromolecules 2022; 23:641-660. [PMID: 35199999 DOI: 10.1021/acs.biomac.1c01647] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Noncovalent interactions can maintain the three-dimensional structures of biomacromolecules (e.g., polysaccharides and proteins) and control specific recognition in biological systems. Supramolecular chemistry was gradually developed as a result, and this led to design and application of self-healing materials. Self-healing materials have attracted attention in many fields, such as coatings, bionic materials, elastomers, and flexible electronic devices. Nevertheless, self-healing materials for biomedical applications have not been comprehensively summarized, even though many reports have been focused on specific areas. In this Review, we first introduce the different categories of supramolecular forces used in preparing self-healing materials and then describe biological applications developed in the last 5 years, including antibiofouling, smart drug/protein delivery, wound healing, electronic skin, cartilage lubrication protection, and tissue engineering scaffolds. Finally, the limitations of current biomedical applications are indicated, key design points are offered for new biological self-healing materials, and potential directions for biological applications are highlighted.
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Affiliation(s)
- Jing Xie
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Peng Yu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China
| | - Zhanhua Wang
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu 610065, P.R. China
| | - Jianshu Li
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P.R. China.,State Key Laboratory of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, P.R. China
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32
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Sadowski B, Yuan B, Lin Z, Ackermann L. Rhodaelectro‐catalyzed peri‐selective direct alkenylations with weak O‐coordination enabled by hydrogen evolution reaction (HER). Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202117188] [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)
| | - Binbin Yuan
- University of Göttingen: Georg-August-Universitat Gottingen IOBC GERMANY
| | - Zhipeng Lin
- University of Göttingen: Georg-August-Universitat Gottingen IOBC GERMANY
| | - Lutz Ackermann
- Georg-August-Universitaet Goettingen Institut fuer Organische und Biomolekulare Chemie Tammannstr. 2 37077 Goettingen GERMANY
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33
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Janus metal-organic layer functioning as a biomimetic photosynthetic reaction center. Chem 2022. [DOI: 10.1016/j.chempr.2022.01.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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34
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Hu H, Zhu J, Cao L, Wang Z, Gao Y, Yang L, Lin W, Wang C. Light-driven proton transport across liposomal membranes enabled by Janus metal-organic layers. Chem 2022. [DOI: 10.1016/j.chempr.2021.10.020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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35
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Antipov IF, Ivanov AI. Effect of Symmetry Breaking in Excited Quadrupole Molecules on Transition Dipole Moment. J Phys Chem B 2021; 125:13778-13788. [PMID: 34894694 DOI: 10.1021/acs.jpcb.1c08666] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Manifestations of charge transfer symmetry breaking in excited quadrupolar molecules in optical spectra are theoretically studied. The molecules are supposed to have π-conjugated structures of A-π-D-π-A or D-π-A-π-D character, where electron acceptors (A) or electron donors (D) are identical. A theory describing the effect of symmetry breaking and solvent fluctuations on the dipole moments of optical transitions associated with absorption by a quadrupolar dye in the ground and excited states, as well as fluorescence, is developed. Simple equations describing the influence of the symmetry breaking extent on the transition dipole moments are found. The orientational solvent fluctuations are predicted to decrease the transition dipole moment of the ground state absorption. The decrease does not exceed 10%. A considerably larger effect of symmetry breaking and the solvent fluctuations on the emission dipole moment is found. Equations describing dependencies of the transition dipole moment associated with excited state absorption on the solvent polarity and the parameters of the dye are derived. The scale of the changes in the transition dipole moments due to symmetry breaking in the excited state are determined. The influence of the polar solvent fluctuations is also taken into account. The theoretical findings are shown to be consistent with the available experimental data.
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Affiliation(s)
- Ivan F Antipov
- Volgograd State University, University Avenue 100, Volgograd 400062, Russia
| | - Anatoly I Ivanov
- Volgograd State University, University Avenue 100, Volgograd 400062, Russia
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36
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Sinambela N, Bösking J, Abbas A, Pannwitz A. Recent Advances in Light Energy Conversion with Biomimetic Vesicle Membranes. Chembiochem 2021; 22:3140-3147. [PMID: 34223700 PMCID: PMC9292721 DOI: 10.1002/cbic.202100220] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/28/2021] [Indexed: 12/01/2022]
Abstract
Lipid bilayer membranes are ubiquitous in natural chemical conversions. They enable self-assembly and compartmentalization of reaction partners and it becomes increasingly evident that a thorough fundamental understanding of these concepts is highly desirable for chemical reactions and solar energy conversion with artificial systems. This minireview focusses on selected case studies from recent years, most of which were inspired by either membrane-facilitated light harvesting or respective charge transfer. The main focus is on highly biomimetic liposomes with artificial chromophores, and some cases for polymer-membranes will be made. Furthermore, we categorized these studies into energy transfer and electron transfer, with phospholipid vesicles, and polymer membranes for light-driven reactions.
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Affiliation(s)
- Novitasari Sinambela
- Institut für Anorganische Chemie IUniversität UlmAlbert-Einstein-Allee 1189081UlmGermany
| | - Julian Bösking
- Institut für Anorganische Chemie IUniversität UlmAlbert-Einstein-Allee 1189081UlmGermany
| | - Amir Abbas
- Institut für Anorganische Chemie IUniversität UlmAlbert-Einstein-Allee 1189081UlmGermany
| | - Andrea Pannwitz
- Institut für Anorganische Chemie IUniversität UlmAlbert-Einstein-Allee 1189081UlmGermany
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37
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Xiao K, Giusto P, Chen F, Chen R, Heil T, Cao S, Chen L, Fan F, Jiang L. Light-driven directional ion transport for enhanced osmotic energy harvesting. Natl Sci Rev 2021; 8:nwaa231. [PMID: 34691706 PMCID: PMC8363323 DOI: 10.1093/nsr/nwaa231] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 08/10/2020] [Accepted: 08/11/2020] [Indexed: 12/19/2022] Open
Abstract
Light-driven ion (proton) transport is a crucial process both for photosynthesis of green plants and solar energy harvesting of some archaea. Here, we describe use of a TiO2/C3N4 semiconductor heterojunction nanotube membrane to realize similar light-driven directional ion transport performance to that of biological systems. This heterojunction system can be fabricated by two simple deposition steps. Under unilateral illumination, the TiO2/C3N4 heterojunction nanotube membrane can generate a photocurrent of about 9 μA/cm2, corresponding to a pumping stream of ∼5500 ions per second per nanotube. By changing the position of TiO2 and C3N4, a reverse equivalent ionic current can also be realized. Directional transport of photogenerated electrons and holes results in a transmembrane potential, which is the basis of the light-driven ion transport phenomenon. As a proof of concept, we also show that this system can be used for enhanced osmotic energy generation. The artificial light-driven ion transport system proposed here offers a further step forward on the roadmap for development of ionic photoelectric conversion and integration into other applications, for example water desalination.
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Affiliation(s)
- Kai Xiao
- Max Planck Institute of Colloids and Interfaces, Department of Colloid Chemistry, Potsdam D-14476, Germany
| | - Paolo Giusto
- Max Planck Institute of Colloids and Interfaces, Department of Colloid Chemistry, Potsdam D-14476, Germany
| | - Fengxiang Chen
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing 100191, China
| | - Ruotian Chen
- State Key Laboratory of Catalysis, 2011-iChEM, Dalian National Laboratory for Clean Energy (DNL), Dalian Institute of Chemical Physics (DICP), Chinese Academy of Sciences, Dalian 116023, China
| | - Tobias Heil
- Max Planck Institute of Colloids and Interfaces, Department of Colloid Chemistry, Potsdam D-14476, Germany
| | - Shaowen Cao
- Max Planck Institute of Colloids and Interfaces, Department of Colloid Chemistry, Potsdam D-14476, Germany
| | - Lu Chen
- Max Planck Institute of Colloids and Interfaces, Department of Colloid Chemistry, Potsdam D-14476, Germany
| | - Fengtao Fan
- State Key Laboratory of Catalysis, 2011-iChEM, Dalian National Laboratory for Clean Energy (DNL), Dalian Institute of Chemical Physics (DICP), Chinese Academy of Sciences, Dalian 116023, China
| | - Lei Jiang
- Key Laboratory of Bio-inspired Smart Interfacial Science and Technology of Ministry of Education, School of Chemistry, Beihang University, Beijing 100191, China
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38
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Liu J, Lan Z, Yang J. An efficient implementation of spin-orbit coupling within the framework of semiempirical orthogonalization-corrected methods for ultrafast intersystem crossing dynamics. Phys Chem Chem Phys 2021; 23:22313-22323. [PMID: 34591049 DOI: 10.1039/d1cp03477d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We implement spin-orbit coupling (SOC) within the framework of semiempirical orthogonalization-corrected methods (OMx). The excited-state wavefunction is generated from configuration interaction with single excitations (CIS). The SOC Hamiltonian in terms of the one-electron Breit-Pauli operator with effective nuclear charges is adopted in this work. Benchmark calculations show that SOCs evaluated using the OMx/CIS method agree very well with those obtained from time-dependent density functional theory. As a particularly attractive application, we incorporate SOCs between singlet and triplet states into Tully's fewest switches surface hopping algorithm to enable excited-state nonadiabatic dynamics simulations, treating internal conversion and intersystem crossing on an equal footing. This semiempirical dynamics simulation approach is applied to investigate ultrafast intersystem crossing processes in core-substituted naphthalenediimides.
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Affiliation(s)
- Jie Liu
- Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei, Anhui 230026, China.
| | - Zhenggang Lan
- Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety and MOE Key Laboratory of Environmental Theoretical Chemistry, SCNU Environmental Research Institute, School of Environment, South China Normal University, Guangzhou 510006, P. R. China
| | - Jinlong Yang
- Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei, Anhui 230026, China.
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39
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Vonhausen Y, Lohr A, Stolte M, Würthner F. Two-step anti-cooperative self-assembly process into defined π-stacked dye oligomers: insights into aggregation-induced enhanced emission. Chem Sci 2021; 12:12302-12314. [PMID: 34603660 PMCID: PMC8480337 DOI: 10.1039/d1sc03813c] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 08/17/2021] [Indexed: 12/24/2022] Open
Abstract
Aggregation-induced emission enhancement (AIEE) phenomena received great popularity during the last decade but in most cases insights into the packing structure – fluorescence properties remained scarce. Here, an almost non-fluorescent merocyanine dye was equipped with large solubilizing substituents, which allowed the investigation of it's aggregation behaviour in unpolar solvents over a large concentration range (10−2 to 10−7 M). In depth analysis of the self-assembly process by concentration-dependent UV/Vis spectroscopy at different temperatures revealed a two-step anti-cooperative aggregation mechanism. In the first step a co-facially stacked dimer is formed driven by dipole–dipole interactions. In a second step these dimers self-assemble to give an oligomer stack consisting of about ten dyes. Concentration- and temperature-dependent UV/Vis spectroscopy provided insight into the thermodynamic parameters and allowed to identify conditions where either the monomer, the dimer or the decamer prevails. The centrosymmetric dimer structure could be proven by 2D NMR spectroscopy. For the larger decamer atomic force microscopy (AFM), diffusion ordered spectroscopy (DOSY) and vapour pressure osmometric (VPO) measurements consistently indicated that it is of small and defined size. Fluorescence, circular dichroism (CD) and circularly polarized luminescence (CPL) spectroscopy provided insights into the photofunctional properties of the dye aggregates. Starting from an essentially non-fluorescent monomer (ΦFl = 0.23%) a strong AIEE effect with excimer-type fluorescence (large Stokes shift, increased fluorescence lifetime) is observed upon formation of the dimer (ΦFl = 2.3%) and decamer (ΦFl = 4.5%) stack. This increase in fluorescence is accompanied for both aggregates by an aggregation-induced CPL enhancement with a strong increase of the glum from ∼0.001 for the dimer up to ∼0.011 for the higher aggregate. Analysis of the radiative and non-radiative decay rates corroborates the interpretation that the AIEE effect originates from a pronounced decrease of the non-radiative rate due to π–π-stacking induced rigidification that outmatches the effect of the reduced radiative rate that originates from the H-type exciton coupling in the co-facially stacked dyes. The self-assembly of a dipolar merocyanine into preferred dimers and small-sized chiral aggregates leads to enhanced emission due to a reduced non-radiative rate as well as amplified circular polarized luminescence.![]()
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Affiliation(s)
- Yvonne Vonhausen
- Institut für Organische Chemie, Universität Würzburg Am Hubland 97074 Würzburg Germany
| | - Andreas Lohr
- Institut für Organische Chemie, Universität Würzburg Am Hubland 97074 Würzburg Germany
| | - Matthias Stolte
- Institut für Organische Chemie, Universität Würzburg Am Hubland 97074 Würzburg Germany .,Center for Nanosystems Chemistry (CNC), Bavarian Polymer Institute (BPI), Universität Würzburg Theodor-Boveri-Weg 97074 Würzburg Germany
| | - Frank Würthner
- Institut für Organische Chemie, Universität Würzburg Am Hubland 97074 Würzburg Germany .,Center for Nanosystems Chemistry (CNC), Bavarian Polymer Institute (BPI), Universität Würzburg Theodor-Boveri-Weg 97074 Würzburg Germany
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40
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Penocchio E, Rao R, Esposito M. Nonequilibrium thermodynamics of light-induced reactions. J Chem Phys 2021; 155:114101. [PMID: 34551539 DOI: 10.1063/5.0060774] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Current formulations of nonequilibrium thermodynamics of open chemical reaction networks only consider chemostats as free-energy sources sustaining nonequilibrium behaviors. Here, we extend the theory to include incoherent light as a source of free energy. We do so by relying on a local equilibrium assumption to derive the chemical potential of photons relative to the system they interact with. This allows us to identify the thermodynamic potential and the thermodynamic forces driving light-reacting chemical systems out-of-equilibrium. We use this framework to treat two paradigmatic photochemical mechanisms describing light-induced unimolecular reactions-namely, the adiabatic and diabatic mechanisms-and highlight the different thermodynamics they lead to. Furthermore, using a thermodynamic coarse-graining procedure, we express our findings in terms of commonly measured experimental quantities, such as quantum yields.
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Affiliation(s)
- Emanuele Penocchio
- Complex Systems and Statistical Mechanics, Department of Physics and Materials Science, University of Luxembourg, L-1511 Luxembourg City, G. D. Luxembourg
| | - Riccardo Rao
- Complex Systems and Statistical Mechanics, Department of Physics and Materials Science, University of Luxembourg, L-1511 Luxembourg City, G. D. Luxembourg
| | - Massimiliano Esposito
- Complex Systems and Statistical Mechanics, Department of Physics and Materials Science, University of Luxembourg, L-1511 Luxembourg City, G. D. Luxembourg
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41
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Bickerton LE, Johnson TG, Kerckhoffs A, Langton MJ. Supramolecular chemistry in lipid bilayer membranes. Chem Sci 2021; 12:11252-11274. [PMID: 34567493 PMCID: PMC8409493 DOI: 10.1039/d1sc03545b] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 07/26/2021] [Indexed: 01/03/2023] Open
Abstract
Lipid bilayer membranes form compartments requisite for life. Interfacing supramolecular systems, including receptors, catalysts, signal transducers and ion transporters, enables the function of the membrane to be controlled in artificial and living cellular compartments. In this perspective, we take stock of the current state of the art of this rapidly expanding field, and discuss prospects for the future in both fundamental science and applications in biology and medicine.
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Affiliation(s)
- Laura E Bickerton
- Department of Chemistry, University of Oxford Chemistry Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK
| | - Toby G Johnson
- Department of Chemistry, University of Oxford Chemistry Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK
| | - Aidan Kerckhoffs
- Department of Chemistry, University of Oxford Chemistry Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK
| | - Matthew J Langton
- Department of Chemistry, University of Oxford Chemistry Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK
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42
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Bhosale SV, Al Kobaisi M, Jadhav RW, Morajkar PP, Jones LA, George S. Naphthalene diimides: perspectives and promise. Chem Soc Rev 2021; 50:9845-9998. [PMID: 34308940 DOI: 10.1039/d0cs00239a] [Citation(s) in RCA: 119] [Impact Index Per Article: 29.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
In this review, we describe the developments in the field of naphthalene diimides (NDIs) from 2016 to the presentday. NDIs are shown to be an increasingly interesting class of molecules due to their electronic properties, large electron deficient aromatic cores and tendency to self-assemble into functional structures. Almost all NDIs possess high electron affinity, good charge carrier mobility, and excellent thermal and oxidative stability, making them promising candidates for applications in organic electronics, photovoltaic devices, and flexible displays. NDIs have also been extensively studied due to their potential real-world uses across a wide variety of applications including supramolecular chemistry, sensing, host-guest complexes for molecular switching devices, such as catenanes and rotaxanes, ion-channels, catalysis, and medicine and as non-fullerene accepters in solar cells. In recent years, NDI research with respect to supramolecular assemblies and mechanoluminescent properties has also gained considerable traction. Thus, this review will assist a wide range of readers and researchers including chemists, physicists, biologists, medicinal chemists and materials scientists in understanding the scope for development and applicability of NDI dyes in their respective fields through a discussion of the main properties of NDI derivatives and of the status of emerging applications.
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Affiliation(s)
- Sheshanath V Bhosale
- School of Chemical Sciences, Goa University, Taleigao Plateau, Goa-403 206, India.
| | - Mohammad Al Kobaisi
- Centre for Advanced Materials and Industrial Chemistry (CAMIC), School of Science, RMIT University, GPO Box 2476, Melbourne, Victoria 3001, Australia
| | - Ratan W Jadhav
- School of Chemical Sciences, Goa University, Taleigao Plateau, Goa-403 206, India.
| | - Pranay P Morajkar
- School of Chemical Sciences, Goa University, Taleigao Plateau, Goa-403 206, India.
| | - Lathe A Jones
- Centre for Advanced Materials and Industrial Chemistry (CAMIC), School of Science, RMIT University, GPO Box 2476, Melbourne, Victoria 3001, Australia
| | - Subi George
- New Chemistry Unit (NCU), Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR), Jakkur PO, Bangalore-560064, India
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Cai J, Ma W, Hao C, Sun M, Guo J, Xu L, Xu C, Kuang H. Artificial light-triggered smart nanochannels relying on optoionic effects. Chem 2021. [DOI: 10.1016/j.chempr.2021.04.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Khurana R, Mohanty J, Barooah N, Bhasikuttan AC. Photoinduced emissive naphthalenediimide radical anion in the confinement of cucurbituril nanocavity; in situ generation of gold nanoparticles. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Abstract
All biological pumps are autonomous catalysts; they maintain the out-of-equilibrium conditions of the cell by harnessing the energy released from their catalytic decomposition of a chemical fuel1-3. A number of artificial molecular pumps have been reported to date4, but they are all either fuelled by light5-10 or require repetitive sequential additions of reagents or varying of an electric potential during each cycle to operate11-16. Here we describe an autonomous chemically fuelled information ratchet17-20 that in the presence of fuel continuously pumps crown ether macrocycles from bulk solution onto a molecular axle without the need for further intervention. The mechanism uses the position of a crown ether on an axle both to promote barrier attachment behind it upon threading and to suppress subsequent barrier removal until the ring has migrated to a catchment region. Tuning the dynamics of both processes20,21 enables the molecular machine22-25 to pump macrocycles continuously from their lowest energy state in bulk solution to a higher energy state on the axle. The ratchet action is experimentally demonstrated by the progressive pumping of up to three macrocycles onto the axle from bulk solution under conditions where barrier formation and removal occur continuously. The out-of-equilibrium [n]rotaxanes (characterized with n up to 4) are maintained for as long as unreacted fuel is present, after which the rings slowly de-thread. The use of catalysis to drive artificial molecular pumps opens up new opportunities, insights and research directions at the interface of catalysis and molecular machinery.
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Bialas D, Kirchner E, Röhr MIS, Würthner F. Perspectives in Dye Chemistry: A Rational Approach toward Functional Materials by Understanding the Aggregate State. J Am Chem Soc 2021; 143:4500-4518. [DOI: 10.1021/jacs.0c13245] [Citation(s) in RCA: 87] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- David Bialas
- Center for Nanosystems Chemistry, Universität Würzburg, Theodor-Boveri-Weg, 97074 Würzburg, Germany
- Institut für Organische Chemie, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Eva Kirchner
- Institut für Organische Chemie, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Merle I. S. Röhr
- Center for Nanosystems Chemistry, Universität Würzburg, Theodor-Boveri-Weg, 97074 Würzburg, Germany
| | - Frank Würthner
- Center for Nanosystems Chemistry, Universität Würzburg, Theodor-Boveri-Weg, 97074 Würzburg, Germany
- Institut für Organische Chemie, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
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Sasaki R, Sato K, Tabata KV, Noji H, Kinbara K. Synthetic Ion Channel Formed by Multiblock Amphiphile with Anisotropic Dual-Stimuli-Responsiveness. J Am Chem Soc 2021; 143:1348-1355. [DOI: 10.1021/jacs.0c09470] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Ryo Sasaki
- School of Life Science and Technology, Tokyo Institute of Technology, 4259, Nagatsuta-cho, Midori-ku, Yokohama 226-8501, Japan
| | - Kohei Sato
- School of Life Science and Technology, Tokyo Institute of Technology, 4259, Nagatsuta-cho, Midori-ku, Yokohama 226-8501, Japan
| | - Kazuhito V. Tabata
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Hiroyuki Noji
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Kazushi Kinbara
- School of Life Science and Technology, Tokyo Institute of Technology, 4259, Nagatsuta-cho, Midori-ku, Yokohama 226-8501, Japan
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Pannwitz A, Klein DM, Rodríguez-Jiménez S, Casadevall C, Song H, Reisner E, Hammarström L, Bonnet S. Roadmap towards solar fuel synthesis at the water interface of liposome membranes. Chem Soc Rev 2021; 50:4833-4855. [DOI: 10.1039/d0cs00737d] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This tutorial review describes the physical–chemical aspects one must consider when building photocatalytic liposomes for solar fuel production.
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Affiliation(s)
- Andrea Pannwitz
- Leiden Institute of Chemistry
- Leiden University
- Leiden
- The Netherlands
- Institute of Inorganic Chemistry I
| | - David M. Klein
- Leiden Institute of Chemistry
- Leiden University
- Leiden
- The Netherlands
| | | | - Carla Casadevall
- Yusuf Hamied Department of Chemistry
- University of Cambridge
- Cambridge CB2 1EW
- UK
| | - Hongwei Song
- Department of Chemistry – Angstrom Laboratory
- Uppsala University
- 751 20 Uppsala
- Sweden
| | - Erwin Reisner
- Yusuf Hamied Department of Chemistry
- University of Cambridge
- Cambridge CB2 1EW
- UK
| | - Leif Hammarström
- Department of Chemistry – Angstrom Laboratory
- Uppsala University
- 751 20 Uppsala
- Sweden
| | - Sylvestre Bonnet
- Leiden Institute of Chemistry
- Leiden University
- Leiden
- The Netherlands
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Engineering of stimuli-responsive lipid-bilayer membranes using supramolecular systems. Nat Rev Chem 2020; 5:46-61. [PMID: 37118103 DOI: 10.1038/s41570-020-00233-6] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/13/2020] [Indexed: 12/13/2022]
Abstract
The membrane proteins found in nature control many important cellular functions, including signal transduction and transmembrane ion transport, and these, in turn, are regulated by external stimuli, such as small molecules, membrane potential and light. Membrane proteins also find technological applications in fields ranging from optogenetics to synthetic biology. Synthetic supramolecular analogues have emerged as a complementary method to engineer functional membranes. This Review describes stimuli-responsive supramolecular systems developed for the control of ion transport, signal transduction and catalysis in lipid-bilayer-membrane systems. Recent advances towards achieving spatio-temporal control over activity in artificial and living cells are highlighted. Current challenges, the scope, limitations and future potential to exploit supramolecular systems for engineering stimuli-responsive lipid-bilayer membranes are discussed.
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Nazarov AE, Ivanov AI. Nonstationary Theory of Excited State Charge Transfer Symmetry Breaking Driven by Polar Solvent. J Phys Chem B 2020; 124:10787-10801. [DOI: 10.1021/acs.jpcb.0c07612] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Alexey E. Nazarov
- Volgograd State University, University Avenue 100, Volgograd 400062, Russia
| | - Anatoly I. Ivanov
- Volgograd State University, University Avenue 100, Volgograd 400062, Russia
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