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De A, Haldar S, Schmidt J, Amirjalayer S, Reichmayr F, Lopatik N, Shupletsov L, Brunner E, Weidinger IM, Schneemann A. An Alkyne-Bridged Covalent Organic Framework Featuring Interactive Pockets for Bromine Capture. Angew Chem Int Ed Engl 2024; 63:e202403658. [PMID: 38738600 DOI: 10.1002/anie.202403658] [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: 02/21/2024] [Revised: 03/22/2024] [Accepted: 04/24/2024] [Indexed: 05/14/2024]
Abstract
The high degree of corrosivity and reactivity of bromine, which is released from various sources, poses a serious threat to the environment. Moreover, its coexistence with iodine forming an equilibrium compound, iodine monobromide (IBr) necessitates the selective capture of bromine from halogen mixtures. The electrophilicity of halogens to π-electron rich structures enabled us to strategically design a covalent organic framework for halogen capture, featuring a defined pore environment with localized sorption sites. The higher capture capacity of bromine (4.6 g g-1) over iodine by ~41 % shows its potential in selective capture. Spectroscopic results uncovering the preferential interaction sites are supported by theoretical investigations. The alkyne bridge is a core functionality promoting the selectivity in capture by synergistic physisorption, rationalized by the higher orbital overlap of bromine due to its smaller atomic size as well as reversible chemical interactions. The slip stacking in the structure has further promoted this phenomenon by creating clusters of molecular interaction sites with bromine intercalated between the layers. The inclusion of unsaturated moieties, i.e. triple bonds and the complementary pore geometry offer a promising design strategy for the construction of porous materials for halogen capture.
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Affiliation(s)
- Ankita De
- Inorganic Chemistry I, Technische Universität Dresden, Bergstr. 66, 01069, Dresden, Germany
| | - Sattwick Haldar
- Inorganic Chemistry I, Technische Universität Dresden, Bergstr. 66, 01069, Dresden, Germany
| | - Johannes Schmidt
- Department of Chemistry, Functional Materials, Technische Universität Berlin, Hardenbergstraße 40, 10623, Berlin, Germany
| | - Saeed Amirjalayer
- Institute of Solid State Theory and Center for Multiscale Theory and Computation, University of Münster, Wilhelm-Klemm-Straße 10, 48149, Münster, Germany
| | - Fanny Reichmayr
- Institute for Electrochemistry, Technische Universität Dresden, Zellescher Weg 19, 01069, Dresden, Germany
| | - Nikolaj Lopatik
- Bioanalytic Chemistry, Technische Universität Dresden, Bergstr. 66, 01069, Dresden, Germany
| | - Leonid Shupletsov
- Inorganic Chemistry I, Technische Universität Dresden, Bergstr. 66, 01069, Dresden, Germany
| | - Eike Brunner
- Bioanalytic Chemistry, Technische Universität Dresden, Bergstr. 66, 01069, Dresden, Germany
| | - Inez M Weidinger
- Institute for Electrochemistry, Technische Universität Dresden, Zellescher Weg 19, 01069, Dresden, Germany
| | - Andreas Schneemann
- Inorganic Chemistry I, Technische Universität Dresden, Bergstr. 66, 01069, Dresden, Germany
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Xiao C, Tian J, Jiang F, Yuan D, Chen Q, Hong M. Optimizing Iodine Enrichment through Induced-Fit Transformations in a Flexible Ag(I)-Organic Framework: From Accelerated Adsorption Kinetics to Record-High Storage Density. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2311181. [PMID: 38361209 DOI: 10.1002/smll.202311181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2023] [Revised: 01/24/2024] [Indexed: 02/17/2024]
Abstract
Efficient capture and storage of radioactive I2 is a prerequisite for developing nuclear power but remains a challenge. Here, two flexible Ag-MOFs (FJI-H39 and 40) with similar active sites but different pore sizes and flexibility are prepared; both of them can capture I2 with excellent removal efficiencies and high adsorption capacities. Due to the more flexible pores, FJI-H39 not only possesses the record-high I2 storage density among all the reported MOFs but also displays a very fast adsorption kinetic (124 times faster than FJI-H40), while their desorption kinetics are comparable. Mechanistic studies show that FJI-H39 can undergo induced-fit transformations continuously (first contraction then expansion), making the adsorbed iodine species enrich near the Ag(I) nodes quickly and orderly, from discrete I- anion to the dense packing of various iodine species, achieving the very fast adsorption kinetic and the record-high storage density simultaneously. However, no significant structural transformations caused by the adsorbed iodine are observed in FJI-H40. In addition, FJI-H39 has excellent stability/recyclability/obtainability, making it a practical adsorbent for radioactive I2. This work provides a useful method for synthesizing practical radioactive I2 adsorbents.
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Affiliation(s)
- Cao Xiao
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jindou Tian
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China
| | - Feilong Jiang
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China
| | - Daqiang Yuan
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China
| | - Qihui Chen
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China
| | - Maochun Hong
- State Key Laboratory of Structure Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China
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Li R, Yang T, Peng X, Feng Q, Hou Y, Zhu J, Chu D, Duan X, Zhang Y, Zhang M. Enhancing the Photosensitivity of Hypocrellin A by Perylene Diimide Metallacage-Based Host-Guest Complexation for Photodynamic Therapy. NANO-MICRO LETTERS 2024; 16:226. [PMID: 38916749 PMCID: PMC11199435 DOI: 10.1007/s40820-024-01438-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Accepted: 05/06/2024] [Indexed: 06/26/2024]
Abstract
The development of supramolecular hosts which can efficiently encapsulate photosensitizers to improve the photodynamic efficacy holds great promise for cancer therapy. Here, we report two perylene diimide-based metallacages that can form stable host-guest complexes with planar conjugated molecules including polycyclic aromatic hydrocarbons and photosensitizers (hypocrellin A). Such host-guest complexation not only prevents the aggregation of photosensitizers in aqueous environments, but also offers fluorescence resonance energy transfer (FRET) from the metallacage to the photosensitizers to further improve the singlet oxygen generation (ΦΔ = 0.66). The complexes are further assembled with amphiphilic polymers, forming nanoparticles with improved stability for anticancer study. Both in vitro and in vivo studies indicate that the nanoparticles display excellent anticancer activities upon light irradiation, showing great potential for cancer photodynamic therapy. This study provides a straightforward and effective approach for enhancing the photosensitivity of conventional photosensitizers via host-guest complexation-based FRET, which will open a new avenue for host-guest chemistry-based supramolecular theranostics.
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Affiliation(s)
- Rongrong Li
- State Key Laboratory for Mechanical Behavior of Materials, Shaanxi International Research Center for Soft Matter, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China
| | - Tianfeng Yang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China
| | - Xiuhong Peng
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China
| | - Qian Feng
- State Key Laboratory for Mechanical Behavior of Materials, Shaanxi International Research Center for Soft Matter, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China
| | - Yali Hou
- State Key Laboratory for Mechanical Behavior of Materials, Shaanxi International Research Center for Soft Matter, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China
- Department of Rehabilitation Medicine, Shaanxi Provincial People's Hospital, Xi'an, 710068, Shaanxi, People's Republic of China
| | - Jiao Zhu
- Department of Gastroenterology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China
| | - Dake Chu
- Department of Gastroenterology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China
| | - Xianglong Duan
- Department of Rehabilitation Medicine, Shaanxi Provincial People's Hospital, Xi'an, 710068, Shaanxi, People's Republic of China.
| | - Yanming Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, People's Republic of China.
| | - Mingming Zhang
- State Key Laboratory for Mechanical Behavior of Materials, Shaanxi International Research Center for Soft Matter, School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049, People's Republic of China.
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Wang FF, Hou B. Construction of zirconium/hafnium-oxo clusters based on a new protection-calix[8]arene. Dalton Trans 2024; 53:6507-6514. [PMID: 38512102 DOI: 10.1039/d4dt00169a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
Calix[8]arene has been used as a promising type of macrocyclic ligand for the construction of multinuclear metal-oxo clusters (MOCs), but not for zirconium/hafnium-oxo clusters (Zr/HfOCs). In this paper, we report the first series of ZrOCs (HfOCs) based on calix[8]arene: Zr4, Zr8, Hf4, and Hf8. Zr8/Hf8 has a rhombohedral conformation and can be regarded as a derivative of the octahedral Zr6 cluster. Remarkably, I2 adsorption experiments indicate that Zr4 (Zr8) adsorbs much faster than Hf4 (Hf8). Density functional theory (DFT) calculations show that metallic Zr atoms interact more strongly with I2 than metallic Hf atoms. The successful application of calix[8]arene for the synthesis of well-defined ZrOCs (HfOCs) shows a bright future for MOCs protected by macrocyclic ligands.
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Affiliation(s)
- Fei-Fei Wang
- Department of Chemistry, Xinzhou Normal University, Xinzhou, 034000, China.
| | - Baoshan Hou
- Key Laboratory of Precise Synthesis of Functional Molecules of Zhejiang Province, Department of Chemistry, School of Science and Research Center for Industries of the Future, Westlake University, and Westlake Institute for Advanced Study, 600 Dunyu Road, Zhejiang, Hangzhou, 310030, China.
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Zhou W, Lavendomme R, Zhang D. Recent progress in iodine capture by macrocycles and cages. Chem Commun (Camb) 2024; 60:779-792. [PMID: 38126398 DOI: 10.1039/d3cc05337g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
The effective capture of radioiodine is vital to the development of the nuclear industry and ecological environmental protection. There is, therefore, a continuously growing research exploration in various types of solid-state materials for iodine capture. During the last decade, the potential of using macrocycle and cage-based supramolecular materials in effective uptake and separation of radioactive iodine has been demonstrated. Interest in the application of these materials in iodine capture originates from their diversified porous characteristics, abundant host-guest chemistry, high iodine affinity and adsorption capacity, high stability in various environments, facile modification and functionalization, and intrinsic structural flexibility, among other attributes. Herein, recent progress in macrocycle and cage-based solid-state materials, including pure discrete macrocycles and cages, and their polymeric forms, for iodine capture is summarized and discussed with an emphasis on iodine capture capacities, mechanisms, and design strategies.
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Affiliation(s)
- Weinan Zhou
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, State Key Laboratory of Petroleum Molecular and Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University, 3663 N. Zhongshan Road, Shanghai 200062, China.
| | - Roy Lavendomme
- Laboratoire de Chimie Organique, Université libre de Bruxelles (ULB), Avenue F. D. Roosevelt 50, CP160/06, B-1050 Brussels, Belgium.
- Laboratoire de Résonance Magnétique Nucléaire Haute Résolution, Université libre de Bruxelles (ULB), Avenue F. D. Roosevelt 50, CP160/08, B-1050 Brussels, Belgium
| | - Dawei Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, State Key Laboratory of Petroleum Molecular and Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University, 3663 N. Zhongshan Road, Shanghai 200062, China.
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