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Li Y, Li S, Huang Z, Zhang D, Jia Q. Research progress of fluorescent composites based on cyclodextrins: Preparation strategies, fluorescence properties and applications in sensing and bioimaging. Anal Chim Acta 2024; 1316:342878. [PMID: 38969399 DOI: 10.1016/j.aca.2024.342878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 06/13/2024] [Accepted: 06/14/2024] [Indexed: 07/07/2024]
Abstract
Fluorescence analysis has been regarded as one of the commonly used analytical methods because of its advantages of simple operation, fast response, low cost and high sensitivity. So far, various fluorescent probes, with noble metal nanoclusters, quantum dots, organic dyes and metal organic frameworks as representatives, have been widely reported. However, single fluorescent probe often suffers from some deficiencies, such as low quantum yield, poor chemical stability, low water solubility and toxicity. To overcome these disadvantages, the introduction of cyclodextrins into fluorescent probes has become a fascinating approach. This review (with 218 references) systematically covers the research progress of fluorescent composites based on cyclodextrins in recent years. Preparation strategies, fluorescence properties, response mechanisms and applications in sensing (ions, organic pollutants, bio-related molecules, temperature, pH) and bioimaging of fluorescent composites based on cyclodextrins are summarized in detail. Finally, the current challenges and future perspectives of these composites in relative research fields are discussed.
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Affiliation(s)
- Yiqi Li
- College of Chemistry, Jilin University, Changchun, 130012, China
| | - Songrui Li
- College of Chemistry, Jilin University, Changchun, 130012, China
| | - Zhenzhen Huang
- College of Chemistry, Jilin University, Changchun, 130012, China
| | - Dawei Zhang
- College of Chemistry, Jilin University, Changchun, 130012, China.
| | - Qiong Jia
- College of Chemistry, Jilin University, Changchun, 130012, China.
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Liu W, Li X, He P, Li B, Liu N, Li Y, Ma L. Synthesis of Carboxyl-Functionalized COFs with Alternate Stable β-Ketoenamine and Benzimidazole Linkages: Unraveling Exceptional Solvent Effects for Efficient Uranium Separation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2403684. [PMID: 39096108 DOI: 10.1002/smll.202403684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 06/27/2024] [Indexed: 08/04/2024]
Abstract
The prevalent π-π interactions in 2D covalent organic frameworks (COFs) impart a certain flexibility to the structures, making the stacking of COF layers susceptible to external stimuli and introducing some structural disorder. Recent research indicates that the flexibility between COF layers and the associated disorder significantly influence their selective adsorption performance toward gas molecules. However, the adsorption process in a solution environment is more complex compared to gas-phase adsorption, involving interactions between adsorbents and adsorbates, as well as the solvation effects of flexible 2D COFs. Therefore, the inherent flexibility and disorder in 2D COFs under solution conditions and their impact on the adsorption performance of metal ions have not been observed yet. Herein, the synthesis of a novel carboxyl-functionalized COF featuring stable β-ketoenamine and benzimidazole linkages, named DMTP-COOH, is presented. DMTP-COOH exhibits excellent selective adsorption capability for uranium, with significantly different adsorption capacities observed after treatment with different solvents. This notable difference in adsorption capacity is observed under varying pH, concentration, time, and even in the presence of multiple competing ions. This work represents the first observation of the significant impact of solvent soaking treatment on the selective adsorption performance of COFs for uranium under liquid conditions.
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Affiliation(s)
- Weijian Liu
- College of Chemistry, Sichuan University, Chengdu, 610064, China
| | - Xiaofeng Li
- Institute of Materials, China Academy of Engineering Physics, Mianyang, 621907, China
| | - Pan He
- College of Chemistry, Sichuan University, Chengdu, 610064, China
| | - Bo Li
- Nuclear Power Institute of China, Chengdu, 610213, China
- National Engineering Research Center of Isotope and Medicine, Chengdu, 610213, China
- Radioisotope Engineering Technology Research Center of Sichuan, Chengdu, 610213, China
| | - Ning Liu
- Institute of Nuclear Science and Technology, Key Laboratory of Radiation Physics and Technology, Sichuan University, Chengdu, 610064, China
| | - Yang Li
- College of Chemistry, Sichuan University, Chengdu, 610064, China
| | - Lijian Ma
- College of Chemistry, Sichuan University, Chengdu, 610064, China
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Wu M, Lin G, Li R, Liu X, Liu S, Zhao J, Xie W. Molecular-caged metal-organic frameworks for energy management. SCIENCE ADVANCES 2024; 10:eadl4449. [PMID: 38718124 PMCID: PMC11078190 DOI: 10.1126/sciadv.adl4449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 04/04/2024] [Indexed: 05/12/2024]
Abstract
Metal-organic frameworks (MOFs) hold great promise for diverse applications when combined with polymers. However, a persistent challenge lies in the susceptibility of exposed MOF pores to molecule and polymer penetration, compromising the porosity and overall performance. Here, we design a molecular-caged MOF (MC-MOF) to achieve contracted window without sacrificing the MOF porosity by torsional conjugated ligands. These molecular cages effectively shield against the undesired molecule penetration during polymerization, thereby preserving the pristine porosity of MC-MOF and providing outstanding light and thermal management to the composites. The polymer containing 0.5 wt % MC-MOF achieves an 83% transmittance and an exceptional haze of 93% at 550 nanometers, coupled with remarkable thermal insulation. These MC-MOF/polymer composites offer the potential for more uniform daylighting and reduced energy consumption in sustainable buildings when compared to traditional glass materials. This work delivers a general method to uphold MOF porosity in polymers through molecular cage design, advancing MOF-polymer applications in energy and sustainability.
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Affiliation(s)
- Minghong Wu
- School of Materials Science and Engineering, Key Laboratory Guangdong High Property and Functional Polymer Materials, Plant Fiber Material Science Research Center, State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Gengye Lin
- School of Materials Science and Engineering, Key Laboratory Guangdong High Property and Functional Polymer Materials, Plant Fiber Material Science Research Center, State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Rui Li
- School of Materials Science and Engineering, Key Laboratory Guangdong High Property and Functional Polymer Materials, Plant Fiber Material Science Research Center, State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Xing Liu
- School of Materials Science and Engineering, Key Laboratory Guangdong High Property and Functional Polymer Materials, Plant Fiber Material Science Research Center, State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Shumei Liu
- School of Materials Science and Engineering, Key Laboratory Guangdong High Property and Functional Polymer Materials, Plant Fiber Material Science Research Center, State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Jianqing Zhao
- School of Materials Science and Engineering, Key Laboratory Guangdong High Property and Functional Polymer Materials, Plant Fiber Material Science Research Center, State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China
| | - Weiqi Xie
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
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Shan Z, Xiao JZ, Wu M, Wang J, Su J, Yao MS, Lu M, Wang R, Zhang G. Topologically Tunable Conjugated Metal-Organic Frameworks for Modulating Conductivity and Chemiresistive Properties for NH 3 Sensing. Angew Chem Int Ed Engl 2024; 63:e202401679. [PMID: 38389160 DOI: 10.1002/anie.202401679] [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: 01/24/2024] [Revised: 02/20/2024] [Accepted: 02/22/2024] [Indexed: 02/24/2024]
Abstract
Electrically conductive metal-organic frameworks (cMOFs) have garnered significant attention in materials science due to their potential applications in modern electrical devices. However, achieving effective modulation of their conductivity has proven to be a major challenge. In this study, we have successfully prepared cMOFs with high conductivity by incorporating electron-donating fused thiophen rings in the frameworks and extending their π-conjugated systems through ring-closing reactions. The conductivity of cMOFs can be precisely modulated ranging from 10-3 to 102 S m-1 by regulating their dimensions and topologies. Furthermore, leveraging the inherent tunable electrical properties based on topology, we successfully demonstrated the potential of these materials as chemiresistive gas sensors with an outstanding response toward 100 ppm NH3 at room temperature. This work not only provides valuable insights into the design of functional cMOFs with different topologies but also enriches the cMOF family with exceptional conductivity properties.
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Affiliation(s)
- Zhen Shan
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
| | - Jian-Ze Xiao
- State Key Laboratory of Mesoscience and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Zhongguancun Beiertiao No. 1, Haidian, Beijing, 100190, China
| | - Miaomiao Wu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
| | - Jinjian Wang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
| | - Jian Su
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
| | - Ming-Shui Yao
- State Key Laboratory of Mesoscience and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Zhongguancun Beiertiao No. 1, Haidian, Beijing, 100190, China
| | - Ming Lu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
| | - Rui Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, Lanzhou, 730000, China
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Gen Zhang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu, 210094, China
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province School of Basic Medical Sciences & Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, Lanzhou, 730000, China
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Kim JY, Kang J, Cha S, Kim H, Kim D, Kang H, Choi I, Kim M. Stability of Zr-Based UiO-66 Metal-Organic Frameworks in Basic Solutions. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:110. [PMID: 38202565 PMCID: PMC10780619 DOI: 10.3390/nano14010110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 12/21/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024]
Abstract
Although Zr-based metal-organic frameworks (MOFs) exhibit robust chemical and physical stability in the presence of moisture and acidic conditions, their susceptibility to nucleophilic attacks from bases poses a critical challenge to their overall stability. Herein, we systematically investigate the stability of Zr-based UiO-66 (UiO = University of Oslo) MOFs in basic solutions. The impact of 11 standard bases, including inorganic salts and organic bases, on the stability of these MOFs is examined. The destruction of the framework is confirmed through powder X-ray diffraction (PXRD) patterns, and the monitored dissolution of ligands from the framework is assessed using nuclear magnetic resonance (NMR) spectroscopy. Our key findings reveal a direct correlation between the strength and concentration of the base and the destruction of the MOFs. The summarized data provide valuable insights that can guide the practical application of Zr-based UiO-66 MOFs under basic conditions, offering essential information for their optimal utilization in various settings.
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Affiliation(s)
- Jun Yeong Kim
- Department of Chemistry, Chungbuk National University, Cheongju 28644, Republic of Korea; (J.Y.K.); (J.K.); (S.C.); (H.K.); (D.K.)
| | - Jiwon Kang
- Department of Chemistry, Chungbuk National University, Cheongju 28644, Republic of Korea; (J.Y.K.); (J.K.); (S.C.); (H.K.); (D.K.)
| | - Seungheon Cha
- Department of Chemistry, Chungbuk National University, Cheongju 28644, Republic of Korea; (J.Y.K.); (J.K.); (S.C.); (H.K.); (D.K.)
| | - Haein Kim
- Department of Chemistry, Chungbuk National University, Cheongju 28644, Republic of Korea; (J.Y.K.); (J.K.); (S.C.); (H.K.); (D.K.)
| | - Dopil Kim
- Department of Chemistry, Chungbuk National University, Cheongju 28644, Republic of Korea; (J.Y.K.); (J.K.); (S.C.); (H.K.); (D.K.)
| | - Houng Kang
- Department of Chemistry Education, Chungbuk National University, Cheongju 28644, Republic of Korea;
| | - Isaac Choi
- Department of Chemistry, Chungbuk National University, Cheongju 28644, Republic of Korea; (J.Y.K.); (J.K.); (S.C.); (H.K.); (D.K.)
| | - Min Kim
- Department of Chemistry, Chungbuk National University, Cheongju 28644, Republic of Korea; (J.Y.K.); (J.K.); (S.C.); (H.K.); (D.K.)
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