1
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Lu H, Ye H, You L. Photoswitchable Cascades for Allosteric and Bidirectional Control over Covalent Bonds and Assemblies. J Am Chem Soc 2024. [PMID: 38620077 DOI: 10.1021/jacs.4c01240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
Studies of complex systems and emerging properties to mimic biosystems are at the forefront of chemical research. Dynamic multistep cascades, especially those exhibiting allosteric regulation, are challenging. Herein, we demonstrate a versatile platform of photoswitchable covalent cascades toward remote and bidirectional control of reversible covalent bonds and ensuing assemblies. The relay of a photochromic switch, keto-enol equilibrium, and ring-chain equilibrium allows light-mediated reversible allosteric structural changes. The accompanying distinct reactivity further enables photoswitchable dynamic covalent bonding and release of substrates bidirectionally through alternating two wavelengths of light, essentially realizing light-mediated signaling cycles. The downfall of energy by covalent bond formation/scission upon photochemical reactions offers the driving force for the controlled direction of the cascade. To show the molecular diversity, photoswitchable on-demand assembly/disassembly of covalent polymers, including structurally reconfigurable polymers, was realized. This work achieves photoswitchable allosteric regulation of covalent architectures within dynamic multistep cascades, which has rarely been reported before. The results resemble allosteric control within biological signaling networks and should set the stage for many endeavors, such as dynamic assemblies, molecular motors, responsive polymers, and intelligent materials.
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Affiliation(s)
- Hanwei Lu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hebo Ye
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Lei You
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, China
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2
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You L. Dual reactivity based dynamic covalent chemistry: mechanisms and applications. Chem Commun (Camb) 2023; 59:12943-12958. [PMID: 37772969 DOI: 10.1039/d3cc04022d] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/30/2023]
Abstract
Dynamic covalent chemistry (DCC) focuses on the reversible formation, breakage, and exchange of covalent bonds and assemblies, setting a bridge between irreversible organic synthesis and supramolecular chemistry and finding wide utility. In order to enhance structural and functional diversity and complexity, different types of dynamic covalent reactions (DCRs) are placed in one vessel, encompassing orthogonal DCC without crosstalk and communicating DCC with a shared reactive functional group. As a means of adding tautomers, widespread in chemistry, to interconnected DCRs and combining the features of orthogonal and communicating DCRs, a concept of dual reactivity based DCC and underlying structural and mechanistic insights are summarized. The manipulation of the distinct reactivity of structurally diverse ring-chain tautomers allows selective activation and switching of reaction pathways and corresponding DCRs (C-N, C-O, and C-S) and assemblies. The coupling with photoswitches further enables light-mediated formation and scission of multiple types of reversible covalent bonds. To showcase the capability of dual reactivity based DCC, the versatile applications in dynamic polymers and luminescent materials are presented, paving the way for future functionalization studies.
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Affiliation(s)
- Lei You
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China.
- University of Chinese Academy of Sciences, Beijing 100049, China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, China
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3
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Galactose-imidazole mediated dual-targeting fluorescent probe for detecting Fe3+ in the lysosomes of hepatocytes: Design, synthesis and evaluation. Biosens Bioelectron 2022; 204:114083. [DOI: 10.1016/j.bios.2022.114083] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 02/04/2022] [Accepted: 02/06/2022] [Indexed: 12/17/2022]
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4
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Hu Y, Li J, Zhou Y, Shi J, Li G, Song H, Yang Y, Shi J, Hong W. Single Dynamic Covalent Bond Tailored Responsive Molecular Junctions. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202106666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yong Hu
- State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
- Shenzhen Research Institute of Xiamen University Shenzhen 518000 China
| | - Jin Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Yu Zhou
- State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Jie Shi
- State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Guopeng Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Hang Song
- State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Yang Yang
- State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Jia Shi
- State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Wenjing Hong
- State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
- Shenzhen Research Institute of Xiamen University Shenzhen 518000 China
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5
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Intermolecular domino Michael/aldol reactions of α,β-unsaturated esters, aromatic aldehydes, and various nucleophiles promoted with a catalytic amount of a guanidine base in DMSO. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132329] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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6
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Hu Y, Li J, Zhou Y, Shi J, Li G, Song H, Yang Y, Shi J, Hong W. Single Dynamic Covalent Bond Tailored Responsive Molecular Junctions. Angew Chem Int Ed Engl 2021; 60:20872-20878. [PMID: 34254414 DOI: 10.1002/anie.202106666] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 07/02/2021] [Indexed: 11/11/2022]
Abstract
Responsive molecular devices are one of the core units for molecular electronics, and dynamic covalent bonds (DCBs) provide the opportunity for the fabrication of responsive molecular devices. Herein we employ a single dynamic acyl hydrazone bond to fabricate tailored molecular devices using the scanning tunneling microscopy break-junction technique (STM-BJ) and the eutectic Ga-In technique (EGaIn). We found that the single-DCB-tailored molecular devices exhibited acid-base and/or photo-thermal response with three well-defined molecular conductance states. The reversible switching has the ON/OFF ratio of ≈10 between each state for single-molecule junctions and ≈3 for the SAMs-based molecular junctions. Combined with the density functional theory calculations, we revealed that the multiple conductance states of these molecular junctions originate from the dynamic acyl hydrazone bond exchange and C=N isomerization. Our work opens the avenue towards the design of tailored single-molecule electrical devices by implanting dynamic covalent bonds in molecular architectures.
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Affiliation(s)
- Yong Hu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China.,Shenzhen Research Institute of Xiamen University, Shenzhen, 518000, China
| | - Jin Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Yu Zhou
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Jie Shi
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Guopeng Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Hang Song
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Yang Yang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Jia Shi
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Wenjing Hong
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China.,Shenzhen Research Institute of Xiamen University, Shenzhen, 518000, China
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7
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Schmittel M, Howlader P. Toward Molecular Cybernetics - the Art of Communicating Chemical Systems. CHEM REC 2020; 21:523-543. [PMID: 33350570 DOI: 10.1002/tcr.202000126] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 11/27/2020] [Accepted: 11/30/2020] [Indexed: 11/10/2022]
Abstract
The emerging field of molecular cybernetics has the potential to widely broaden our perception of chemistry. Chemistry will develop beyond its current focus that is mainly concerned with single transformations, pure compounds, and/or defined mixtures. On this way, chemistry will become autonomous, networked and smart through communicating molecules each of which serves a control engineering purpose, like the set of wheels in the machinery of life. The present personal account describes our latest developments in this field.
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Affiliation(s)
- Michael Schmittel
- Center of Micro and Nanochemistry and Engineering, Organische Chemie I, University of Siegen, Adolf-Reichwein Str. 2, 57068, Siegen, Germany
| | - Prodip Howlader
- Center of Micro and Nanochemistry and Engineering, Organische Chemie I, University of Siegen, Adolf-Reichwein Str. 2, 57068, Siegen, Germany
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8
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Si M, Zhu W, Zhang Y, Barboiu M, Chen J. Fluorodynamers Displaying Tunable Fluorescence on Constitutional Exchanges in Solution and at Solid Film-Solution Interface. Chemistry 2020; 26:10191-10194. [PMID: 32220132 DOI: 10.1002/chem.202000981] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Indexed: 12/18/2022]
Abstract
Dynamic covalent polymers-dynamers-are adaptive materials that offer timely variant adaptive macroscopic organization across extended scales. In the current study, imine exchange reactions and fluorescence transfer can occur at the interfaces between various solutions and solid state dynameric films. The fluorescence quenching upon imine formations for designed fluorogen was successfully demonstrated, and this tunable fluorescence was further used to study the re-composition of a solid film. Moreover, the dynamic covalent films also exhibited responsiveness to competing amines and acid/base conditions, both in solutions and solid film-solution interface. This work can provide more insights into interface dynamic chemistry and holds great potential for further applications in optical and biomedical materials.
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Affiliation(s)
- Mingran Si
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Pharmaceutical Sciences, Jiangnan University, 1800 Lihu Avenue, Wuxi, 214122, P. R. China
| | - Weijia Zhu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Pharmaceutical Sciences, Jiangnan University, 1800 Lihu Avenue, Wuxi, 214122, P. R. China
| | - Yan Zhang
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Pharmaceutical Sciences, Jiangnan University, 1800 Lihu Avenue, Wuxi, 214122, P. R. China
| | - Mihail Barboiu
- Institut European des Membranes, Adaptive Supramolecular Nanosystems Group, University of Montpellier, ENSCM-CNRS, Place E. Bataillon CC047, Montpellier, 34095, France
| | - Jinghua Chen
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Pharmaceutical Sciences, Jiangnan University, 1800 Lihu Avenue, Wuxi, 214122, P. R. China
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9
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He M, Lehn JM. Time-Dependent Switching of Constitutional Dynamic Libraries and Networks from Kinetic to Thermodynamic Distributions. J Am Chem Soc 2019; 141:18560-18569. [DOI: 10.1021/jacs.9b09395] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Meixia He
- Laboratoire de Chimie Supramoléculaire, Institut de Science et d’Ingénierie Supramoléculaires (ISIS), Université de Strasbourg, 8 Allée Gaspard Monge, 67000 Strasbourg, France
| | - Jean-Marie Lehn
- Laboratoire de Chimie Supramoléculaire, Institut de Science et d’Ingénierie Supramoléculaires (ISIS), Université de Strasbourg, 8 Allée Gaspard Monge, 67000 Strasbourg, France
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10
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Yin Y, Yun M, Wu L, Duan H, Jiang X, Zhan T, Cui J, Liu L, Zhang K. A Visible‐Light‐Induced Dynamic Mechanical Bond as a Linkage for Dynamic Materials. Angew Chem Int Ed Engl 2019; 58:12705-12710. [PMID: 31297923 DOI: 10.1002/anie.201906761] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Indexed: 11/11/2022]
Affiliation(s)
- Yong‐Fei Yin
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsCollege of Chemistry and Life ScienceZhejiang Normal University 688 Yingbin Road Jinhua 321004 P. R. China
| | - Meng‐Yan Yun
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsCollege of Chemistry and Life ScienceZhejiang Normal University 688 Yingbin Road Jinhua 321004 P. R. China
| | - Lin Wu
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsCollege of Chemistry and Life ScienceZhejiang Normal University 688 Yingbin Road Jinhua 321004 P. R. China
| | - Hong‐Ying Duan
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsCollege of Chemistry and Life ScienceZhejiang Normal University 688 Yingbin Road Jinhua 321004 P. R. China
| | - Xia‐Min Jiang
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsCollege of Chemistry and Life ScienceZhejiang Normal University 688 Yingbin Road Jinhua 321004 P. R. China
| | - Tian‐Guang Zhan
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsCollege of Chemistry and Life ScienceZhejiang Normal University 688 Yingbin Road Jinhua 321004 P. R. China
| | - Jiecheng Cui
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsCollege of Chemistry and Life ScienceZhejiang Normal University 688 Yingbin Road Jinhua 321004 P. R. China
| | - Li‐Juan Liu
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsCollege of Chemistry and Life ScienceZhejiang Normal University 688 Yingbin Road Jinhua 321004 P. R. China
| | - Kang‐Da Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis MaterialsCollege of Chemistry and Life ScienceZhejiang Normal University 688 Yingbin Road Jinhua 321004 P. R. China
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11
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A Visible‐Light‐Induced Dynamic Mechanical Bond as a Linkage for Dynamic Materials. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201906761] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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12
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Paul I, Mittal N, De S, Bolte M, Schmittel M. Catch–Release System for Dosing and Recycling Silver(I) Catalyst with Status of Catalytic Activity Reported by Fluorescence. J Am Chem Soc 2019; 141:5139-5143. [DOI: 10.1021/jacs.9b01182] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Indrajit Paul
- Center of Micro and Nanochemistry and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein Straße 2, D-57068 Siegen, Germany
| | - Nikita Mittal
- Center of Micro and Nanochemistry and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein Straße 2, D-57068 Siegen, Germany
| | - Soumen De
- Center of Micro and Nanochemistry and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein Straße 2, D-57068 Siegen, Germany
| | - Michael Bolte
- Institut für Anorganische und Analytische Chemie, Goethe-Universität Frankfurt, Max-von-Laue-Straße 7, D-60438 Frankfurt (Main), Germany
| | - Michael Schmittel
- Center of Micro and Nanochemistry and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein Straße 2, D-57068 Siegen, Germany
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13
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Yuan YX, Zheng YS. New Acylhydrazone Photoswitches with Quantitative Conversion and High Quantum Yield but without Hydrogen Bond Stabilizing ( Z)-Isomer. ACS APPLIED MATERIALS & INTERFACES 2019; 11:7303-7310. [PMID: 30675784 DOI: 10.1021/acsami.8b21719] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Hydrazones are recently attracting increasing interest because of their facile synthesis and high addressability, fatigue resistance, and modifiability as molecular switches. However, this new class of switches generally suffers from low conversion from E- to Z-configuration. Here, novel benzoylhydrazones were synthesized by condensation of 2-methoxynaphthaldhyde and benzoylhydrazine. In this hydrazone system, both sides of the imine double bond had large steric hindrance, so that the ( E)-isomer of the benzoylhydrazones was less stable and easily converted into the ( Z)-isomer even without an intramolecular hydrogen bond. Up to 99% conversion efficiency and 89% quantum yield were obtained, in addition to excellent addressability and high fatigue resistance. Outstandingly, the crystal structure of one ( Z)-isomer disclosed no intermolecular hydrogen bonds between the molecules of the ( Z)-isomer but strong and sequential hydrogen bonds between those of the ( E)-isomer. Therefore, the ( E)-isomer was less soluble in solvents than the ( Z)-isomer. This molecular switch system could be easily modified by both hydrophilic pentaethylene glycol chains and hydrophobic octyl chains. Under light irradiation, the resultant amphiphilic acylhydrazone could be transferred from ( E)-isomer to ( Z)-isomer in more than 90% yield even in water after light irradiation. Meanwhile, the self-assembled big nanospheres could rearrange into much smaller vesicles because of the solubility difference of ( Z)- and ( E)-isomers. After the anticancer drug procarbazine was loaded by this kind of acylhydrazone in water, it could be released by light irradiation, showing potential application in photocontrollable drug release.
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Affiliation(s)
- Ying-Xue Yuan
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Yan-Song Zheng
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering , Huazhong University of Science and Technology , Wuhan 430074 , China
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14
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Dynamic Functional Molecular Systems: From Supramolecular Structures to Multi‐Component Machinery and to Molecular Cybernetics. Isr J Chem 2018. [DOI: 10.1002/ijch.201800124] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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15
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Gaikwad S, Pramanik S, De S, Schmittel M. A high-speed network of nanoswitches for on/off control of catalysis. Dalton Trans 2018; 47:1786-1790. [DOI: 10.1039/c7dt04695b] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Copper(i) ion translocation is the key for fast and reliable communication between networked devices in the catalytic machinery.
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Affiliation(s)
- Sudhakar Gaikwad
- Center of Micro and Nanochemistry and Engineering
- Organische Chemie I
- Universität Siegen
- D-57068 Siegen
- Germany
| | - Susnata Pramanik
- Center of Micro and Nanochemistry and Engineering
- Organische Chemie I
- Universität Siegen
- D-57068 Siegen
- Germany
| | - Soumen De
- Center of Micro and Nanochemistry and Engineering
- Organische Chemie I
- Universität Siegen
- D-57068 Siegen
- Germany
| | - Michael Schmittel
- Center of Micro and Nanochemistry and Engineering
- Organische Chemie I
- Universität Siegen
- D-57068 Siegen
- Germany
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16
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Sk B, Thakre PK, Tomar RS, Patra A. A Pyridoindole-Based Multifunctional Bioprobe: pH-Induced Fluorescence Switching and Specific Targeting of Lipid Droplets. Chem Asian J 2017; 12:2501-2509. [PMID: 28719098 DOI: 10.1002/asia.201700898] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Revised: 07/14/2017] [Indexed: 01/18/2023]
Abstract
A versatile fluorescent probe, PITE, based on alkyl-substituted pyridoindole (PI) and tetraphenylethylene (TE), which exhibits facile pH-induced fluorescence switching in solution, as nanoparticles, and in the solid state, is presented. Strong fluorescence in the solid state, as well as in solution and the aggregated state, allow sensing of toxic acid vapors. Fluorescence "off-on" switching of PITE through exposure to trifluoroacetic acid and triethylamine vapor is visualized by the naked eye. A unified picture of the switchable fluorescence of PITE is obtained by comprehensive spectroscopic investigations coupled with quantum mechanical calculations. Strong fluorescence, a large Stokes shift, high photostability, and biocompatibility of PITE make it a viable probe for subcellular imaging. Extensive fluorescence microscopic studies by employing organisms including lower and higher eukaryotes reveal specific localization of PITE to lipid droplets (LDs). LDs are dynamic subcellular organelles linked to various physiological processes and human diseases. Hence, the specific detection of LDs in diverse organisms is important to biomedical research and healthcare. Isolation of LDs and subsequent colocalization studies ascertain selective targeting of LDs by the easily affordable, lipophilic bioprobe, PITE. Thus, PITE is a promising multifunctional probe for chemosensing and the selective tracking of LDs.
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Affiliation(s)
- Bahadur Sk
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Indore Bypass Road, Bhauri, Bhopal, 462066, Madhya Pradesh, India
| | - Pilendra Kumar Thakre
- Department of Biological Sciences, Indian Institute of Science Education and Research Bhopal, Indore Bypass Road, Bhauri, Bhopal, 462066, Madhya Pradesh, India
| | - Raghuvir Singh Tomar
- Department of Biological Sciences, Indian Institute of Science Education and Research Bhopal, Indore Bypass Road, Bhauri, Bhopal, 462066, Madhya Pradesh, India
| | - Abhijit Patra
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Indore Bypass Road, Bhauri, Bhopal, 462066, Madhya Pradesh, India
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17
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Matysiak BM, Nowak P, Cvrtila I, Pappas CG, Liu B, Komáromy D, Otto S. Antiparallel Dynamic Covalent Chemistries. J Am Chem Soc 2017; 139:6744-6751. [PMID: 28440073 PMCID: PMC5438195 DOI: 10.1021/jacs.7b02575] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The ability to design reaction networks with high, but addressable complexity is a necessary prerequisite to make advanced functional chemical systems. Dynamic combinatorial chemistry has proven to be a useful tool in achieving complexity, however with some limitations in controlling it. Herein we introduce the concept of antiparallel chemistries, in which the same functional group can be channeled into one of two reversible chemistries depending on a controllable parameter. Such systems allow both for achieving complexity, by combinatorial chemistry, and addressing it, by switching from one chemistry to another by controlling an external parameter. In our design the two antiparallel chemistries are thiol-disulfide exchange and thio-Michael addition, sharing the thiol as the common building block. By means of oxidation and reduction the system can be reversibly switched from predominantly thio-Michael chemistry to predominantly disulfide chemistry, as well as to any intermediate state. Both chemistries operate in water, at room temperature, and at mildly basic pH, which makes them a suitable platform for further development of systems chemistry.
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Affiliation(s)
- Bartosz M Matysiak
- Centre for Systems Chemistry, Stratingh Institute, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands.,Faculty of Chemistry, University of Warsaw , Pasteura 1, 02-093 Warsaw, Poland
| | - Piotr Nowak
- Centre for Systems Chemistry, Stratingh Institute, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Ivica Cvrtila
- Centre for Systems Chemistry, Stratingh Institute, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Charalampos G Pappas
- Centre for Systems Chemistry, Stratingh Institute, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Bin Liu
- Centre for Systems Chemistry, Stratingh Institute, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Dávid Komáromy
- Centre for Systems Chemistry, Stratingh Institute, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Sijbren Otto
- Centre for Systems Chemistry, Stratingh Institute, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands
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18
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Mittal N, Pramanik S, Paul I, De S, Schmittel M. Networking Nanoswitches for ON/OFF Control of Catalysis. J Am Chem Soc 2017; 139:4270-4273. [DOI: 10.1021/jacs.6b12951] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Nikita Mittal
- Center of Micro and Nanochemistry
and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein Straße 2, 57068 Siegen, Germany
| | - Susnata Pramanik
- Center of Micro and Nanochemistry
and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein Straße 2, 57068 Siegen, Germany
| | - Indrajit Paul
- Center of Micro and Nanochemistry
and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein Straße 2, 57068 Siegen, Germany
| | - Soumen De
- Center of Micro and Nanochemistry
and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein Straße 2, 57068 Siegen, Germany
| | - Michael Schmittel
- Center of Micro and Nanochemistry
and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein Straße 2, 57068 Siegen, Germany
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19
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Zhang HZ, Li RS, Gao PF, Wang N, Lei G, Huang CZ, Wang J. Real-time dark-field light scattering imaging to monitor the coupling reaction with gold nanorods as an optical probe. NANOSCALE 2017; 9:3568-3575. [PMID: 28244517 DOI: 10.1039/c6nr09453h] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Gold nanorods (GNRs) have opened up promising applications based on their reshaping, due to the fact that a tiny change in shape or size could directly lead to optical changes. Herein, we report chemical reshaping of GNRs induced by the coupling reaction between Au, ferric chloride and thiourea. In the coupling reaction, Fe3+ oxidizes the GNRs to yield Au(i), which complexes with the thiourea ligand, lowering the Gibbs free energy of the gold species and promoting the reaction equilibrium to enable the chemical reshaping of the GNRs. This coupling reaction process was monitored using a light-scattering dark-field microscopy (DFM) imaging technique and scanning electron microscopy (SEM). The light scattering underwent a colour change from bright red to yellow and finally to green, and the GNRs underwent a morphological change from rod-shaped to fusiform and finally to spherical, which is somewhat different from the results of other chemical etching processes of GNRs. It is believed that the coupling reaction induced chemical reshaping of GNRs not only provides an alternative way to monitor the coupling reaction, but also offers a facile way to obtain a desirable GNR morphology, which is important for the preparation of fusiform nanostructures.
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Affiliation(s)
- Hong Zhi Zhang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Science, Southwest University, Chongqing 400715, China.
| | - Rong Sheng Li
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Science, Southwest University, Chongqing 400715, China.
| | - Peng Fei Gao
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Science, Southwest University, Chongqing 400715, China.
| | - Ni Wang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Science, Southwest University, Chongqing 400715, China.
| | - Gang Lei
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Science, Southwest University, Chongqing 400715, China.
| | - Cheng Zhi Huang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Science, Southwest University, Chongqing 400715, China. and Chongqing Key Laboratory of Biomedical Analysis (Southwest University), Chongqing Science & Technology Commission, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Jian Wang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Science, Southwest University, Chongqing 400715, China.
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20
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Ye H, Hai Y, Ren Y, You L. Versatile Dynamic Covalent Assemblies for Probing π-Stacking and Chirality Induction from Homotopic Faces. Chemistry 2017; 23:3804-3809. [DOI: 10.1002/chem.201606040] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Hebo Ye
- State Key Laboratory of Structural Chemistry; Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou 350002 P.R. China
| | - Yu Hai
- State Key Laboratory of Structural Chemistry; Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou 350002 P.R. China
- College of Material Science and Engineering; Fujian Normal University; Fuzhou 350007 P.R. China
| | - Yulong Ren
- State Key Laboratory of Structural Chemistry; Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou 350002 P.R. China
| | - Lei You
- State Key Laboratory of Structural Chemistry; Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou 350002 P.R. China
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21
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Abstract
A negative feedback loop that relies on the coordination-coupled deprotonation (CCD) of a hydrazone switch has been developed. Above a particular threshold of zinc(II), CCD releases enough protons to the environment to trigger a cascade of reactions that yield an imine. This imine sequesters the excess of zinc(II) from the hydrazone switch, hence lowering the effective amount of protons, and switching the cascade reactions "OFF", thus establishing the negative feedback loop.
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Affiliation(s)
- Susnata Pramanik
- Department of Chemistry, Dartmouth College , Hanover, New Hampshire 03755, United States
| | - Ivan Aprahamian
- Department of Chemistry, Dartmouth College , Hanover, New Hampshire 03755, United States
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22
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Ito A, Fujino H, Ushiyama K, Yamanaka E, Yamasaki R, Okamoto I. Acid-controlled switching of conformational preference of N,N-diarylamides bearing pyridine. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.09.035] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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23
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Gaikwad S, Goswami A, De S, Schmittel M. Ein metallregulierter vierstufiger Nanoschalter zur Steuerung einer zweistufigen sequenziellen Katalyse in einem Elf-Komponenten-System. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201604658] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Sudhakar Gaikwad
- Forschungszentrum für Mikro-/Nanochemie und Technologie (Cμ), Organische Chemie I; Universität Siegen; Adolf-Reichwein Straße 2 57068 Siegen Deutschland
| | - Abir Goswami
- Forschungszentrum für Mikro-/Nanochemie und Technologie (Cμ), Organische Chemie I; Universität Siegen; Adolf-Reichwein Straße 2 57068 Siegen Deutschland
| | - Soumen De
- Forschungszentrum für Mikro-/Nanochemie und Technologie (Cμ), Organische Chemie I; Universität Siegen; Adolf-Reichwein Straße 2 57068 Siegen Deutschland
| | - Michael Schmittel
- Forschungszentrum für Mikro-/Nanochemie und Technologie (Cμ), Organische Chemie I; Universität Siegen; Adolf-Reichwein Straße 2 57068 Siegen Deutschland
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24
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Gaikwad S, Goswami A, De S, Schmittel M. A Metalloregulated Four-State Nanoswitch Controls Two-Step Sequential Catalysis in an Eleven-Component System. Angew Chem Int Ed Engl 2016; 55:10512-7. [DOI: 10.1002/anie.201604658] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Indexed: 11/09/2022]
Affiliation(s)
- Sudhakar Gaikwad
- Center of Micro and Nanochemistry and Engineering, Organische Chemie I; Universität Siegen; Adolf-Reichwein Str. 2 57068 Siegen Germany
| | - Abir Goswami
- Center of Micro and Nanochemistry and Engineering, Organische Chemie I; Universität Siegen; Adolf-Reichwein Str. 2 57068 Siegen Germany
| | - Soumen De
- Center of Micro and Nanochemistry and Engineering, Organische Chemie I; Universität Siegen; Adolf-Reichwein Str. 2 57068 Siegen Germany
| | - Michael Schmittel
- Center of Micro and Nanochemistry and Engineering, Organische Chemie I; Universität Siegen; Adolf-Reichwein Str. 2 57068 Siegen Germany
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25
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Schaufelberger F, Ramström O. Kinetic Self-Sorting of Dynamic Covalent Catalysts with Systemic Feedback Regulation. J Am Chem Soc 2016; 138:7836-9. [DOI: 10.1021/jacs.6b04250] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Fredrik Schaufelberger
- Department of Chemistry, KTH−Royal Institute of Technology, Teknikringen 30, S-10044 Stockholm, Sweden
| | - Olof Ramström
- Department of Chemistry, KTH−Royal Institute of Technology, Teknikringen 30, S-10044 Stockholm, Sweden
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26
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Sareen D, Lee JH, Hwang H, Yoo S, Lee CH. Ion-mediated single-molecular optical switching and sensing based on the fluorophore-tethered calix[4]pyrrole. Chem Commun (Camb) 2016; 52:5852-5. [DOI: 10.1039/c6cc01679k] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The first asymmetrically meso-aryl substituted “two-walled” calix[4]pyrrole is explored as a single-site sequential ‘on–off–on–off’ fluorescent switch with sub-nanomolar sensitivity.
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Affiliation(s)
- Divya Sareen
- Department of Chemistry
- Kangwon National University
- Chun Cheon 200-701
- Korea
| | - Ji Hye Lee
- Department of Chemistry
- Kangwon National University
- Chun Cheon 200-701
- Korea
| | - Hyonseok Hwang
- Department of Chemistry
- Kangwon National University
- Chun Cheon 200-701
- Korea
| | - Soeun Yoo
- Department of Chemistry
- Kangwon National University
- Chun Cheon 200-701
- Korea
| | - Chang-Hee Lee
- Department of Chemistry
- Kangwon National University
- Chun Cheon 200-701
- Korea
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27
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Zhou Y, Li L, Ye H, Zhang L, You L. Quantitative Reactivity Scales for Dynamic Covalent and Systems Chemistry. J Am Chem Soc 2015; 138:381-9. [DOI: 10.1021/jacs.5b11361] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Yuntao Zhou
- State
Key Laboratory of Structural Chemistry, Fujian Institute of Research
on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China
| | - Lijie Li
- State
Key Laboratory of Structural Chemistry, Fujian Institute of Research
on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China
- University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Hebo Ye
- State
Key Laboratory of Structural Chemistry, Fujian Institute of Research
on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China
| | - Ling Zhang
- State
Key Laboratory of Structural Chemistry, Fujian Institute of Research
on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China
| | - Lei You
- State
Key Laboratory of Structural Chemistry, Fujian Institute of Research
on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China
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