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Min F, He J, Zhou W, Wang D, Xie S, Chu Z, Zeng Z. Unique Fluorescence of Aggregation-Induced Emission Luminogens on Solid Surfaces Modified by Silicone Nanofilaments. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024. [PMID: 38963797 DOI: 10.1021/acs.langmuir.4c01411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/06/2024]
Abstract
Aggregation-induced emission (AIE) has revolutionized solid-state fluorescence by overcoming the limitations of aggregation-caused quenching. While extensively studied in solutions, AIE's potential on solid surfaces remains largely unexplored, which can be fundamentally interesting and practically useful. In this work, we demonstrate the successful dispersion of tetraphenylethylene (TPE), one of the most classical AIE luminogens, on solid surfaces coated with silicone nanofilaments (SNF). The high surface area of SNF enables the uniform immobilization of TPE luminogens, replicating their dispersal behavior in solutions. Compared to unmodified surfaces, TPE dispersed on SNF-coated surfaces exhibits significantly enhanced fluorescence intensity. Moreover, a fascinating dynamic blue shift in TPE emission on SNF-coated surfaces is observed, with the velocity controllable by the surface group of SNF by up to 4 orders of magnitude, showing that TPE can be applied to the judgment of the nanoscale morphology and surface free energy of the solid surface. Owing to the superhydrophobicity and self-cleaning properties of SNF, the on-surface fluorescence can be sustained underwater and is resistant to dust contamination and rain erosion, with potential applications of information encryption presented. Our approach of uniformly dispersing AIE luminogens on nanomaterials with high surface areas provides a general methodology for creating on-surface fluorescence and saving the usage of expensive AIE luminogens in applications.
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Affiliation(s)
- Fan Min
- College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
- Greater Bay Area Institute for Innovation, Hunan University, Guangzhou 511300, China
| | - Jinzhi He
- College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Wenting Zhou
- College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Deqi Wang
- College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Sheng Xie
- College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Zonglin Chu
- College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
- Greater Bay Area Institute for Innovation, Hunan University, Guangzhou 511300, China
| | - Zebing Zeng
- College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
- Shenzhen Research Institute of Hunan University, Guangzhou 518000, China
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2
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Takemasa Y, Nozaki K. Tetrakispyrazolylethene: Protonation-Induced Emission. J Org Chem 2024; 89:7156-7162. [PMID: 38695511 DOI: 10.1021/acs.joc.4c00538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
Tetrakispyrazolylethene (1) was synthesized from pyrazole and hexachloroethane through a one-step substitution reaction. The increase of emission was detected both in solid and aqueous THF solution, compared with that in anhydrous THF. While the former originates from the crystal packing, the latter is attributed to the protonation-induced emission, independent of aggregation, based on the optical measurement under varying concentrations and particle-size distribution analysis.
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Affiliation(s)
- Yuta Takemasa
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Kyoko Nozaki
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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3
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Wang J, Zhao X, Tao Y, Wang X, Yan L, Yu K, Hsu Y, Chen Y, Zhao J, Huang Y, Wei W. Biocompatible aggregation-induced emission active polyphosphate-manganese nanosheets with glutamine synthetase-like activity in excitotoxic nerve cells. Nat Commun 2024; 15:3534. [PMID: 38670989 PMCID: PMC11053040 DOI: 10.1038/s41467-024-47947-5] [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: 05/06/2023] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
Glutamine synthetase (GS) is vital in maintaining ammonia and glutamate (Glu) homeostasis in living organisms. However, the natural enzyme relies on adenosine triphosphate (ATP) to activate Glu, resulting in impaired GS function during ATP-deficient neurotoxic events. To date, no reports demonstrate using artificial nanostructures to mimic GS function. In this study, we synthesize aggregation-induced emission active polyP-Mn nanosheets (STPE-PMNSs) based on end-labeled polyphosphate (polyP), exhibiting remarkable GS-like activity independent of ATP presence. Further investigation reveals polyP in STPE-PMNSs serves as phosphate source to activate Glu at low ATP levels. This self-feeding mechanism offers a significant advantage in regulating Glu homeostasis at reduced ATP levels in nerve cells during excitotoxic conditions. STPE-PMNSs can effectively promote the conversion of Glu to glutamine (Gln) in excitatory neurotoxic human neuroblastoma cells (SH-SY5Y) and alleviate Glu-induced neurotoxicity. Additionally, the fluorescence signal of nanosheets enables precise monitoring of the subcellular distribution of STPE-PMNSs. More importantly, the intracellular fluorescence signal is enhanced in a conversion-responsive manner, allowing real-time tracking of reaction progression. This study presents a self-sustaining strategy to address GS functional impairment caused by ATP deficiency in nerve cells during neurotoxic events. Furthermore, it offers a fresh perspective on the potential biological applications of polyP-based nanostructures.
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Affiliation(s)
- Jing Wang
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, PR China
| | - Xinyang Zhao
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, PR China
| | - Yucheng Tao
- School of Life Sciences, Nanjing University, Nanjing, 210093, PR China
| | - Xiuxiu Wang
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, PR China
| | - Li Yan
- Nanchuang (Jiangsu) Institute of Chemistry and Health, Sino-Danish Ecolife Science Industrial Incubator, Jiangbei New Area, Nanjing, 210000, PR China
| | - Kuang Yu
- Tsinghua-Berkeley Shenzhen Institute and Institute of Materials Research (iMR), Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, Guangdong, PR China
| | - Yi Hsu
- Taipei Wego Private Senior High School, Taipei, TWN, PR China
| | - Yuncong Chen
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, PR China.
- Nanchuang (Jiangsu) Institute of Chemistry and Health, Sino-Danish Ecolife Science Industrial Incubator, Jiangbei New Area, Nanjing, 210000, PR China.
| | - Jing Zhao
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, PR China.
- Nanchuang (Jiangsu) Institute of Chemistry and Health, Sino-Danish Ecolife Science Industrial Incubator, Jiangbei New Area, Nanjing, 210000, PR China.
- Shenzhen Research Institute, Nanjing University, Shenzhen, PR China.
| | - Yong Huang
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong SAR, PR China.
| | - Wei Wei
- State Key Laboratory of Coordination Chemistry, Chemistry and Biomedicine Innovation Center (ChemBIC), School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, PR China.
- School of Life Sciences, Nanjing University, Nanjing, 210093, PR China.
- Nanchuang (Jiangsu) Institute of Chemistry and Health, Sino-Danish Ecolife Science Industrial Incubator, Jiangbei New Area, Nanjing, 210000, PR China.
- Shenzhen Research Institute, Nanjing University, Shenzhen, PR China.
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4
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Han Y, You Y, Xu X, Li X, Liu G, Lai G. Amplified Assembly of G-Quadruplex-Decorated DNA Network Nanostructure toward AIE Signaling-Based Sensitive Biosensing. ACS Sens 2024; 9:1749-1755. [PMID: 38587118 DOI: 10.1021/acssensors.3c02594] [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] [Indexed: 04/09/2024]
Abstract
Aggregation-induced emission (AIE) has offered a promising approach for developing low-background fluorescent methods; however, its applications often suffer from complex probe synthesis and poor biocompatibility. Herein, a novel AIE biosensing method for kanamycin antibiotic assays was developed by utilizing a DNA network nanostructure assembled from an aptamer recognition reaction to capture a large number of tetraphenylethylene fluorogen-labeled signal DNA (DTPE) probes. Due to the excellent hydrophilicity of the oligonucleotides, DTPE exhibited excellent water solubility without obvious background signal emission. Based on an ingenious nucleotide design, an abundance of G-quadruplex blocks neighboring the captured DTPE were formed on the DNA nanostructure. Because of the greatly restricted free motion of DTPE by this unique nanostructure, a strong AIE fluorescence signal response was produced to construct the signal transduction strategy. Together with target recycling and rolling circle amplification-based cascade nucleic acid amplification, this method exhibited a wide linear range from 75 fg mL-1 to 1 ng mL-1 and a detection limit down to 24 fg mL-1. The excellent analytical performance and effective manipulation improvement of the method over previous approaches determine its promising potential for various applications.
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Affiliation(s)
- Yicheng Han
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, PR China
| | - Yingying You
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, PR China
| | - Xiaoyue Xu
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, PR China
| | - Xin Li
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, PR China
| | - Guozhen Liu
- Integrated Devices and Intelligent Diagnosis Laboratory, CUHK(SZ)-Boyalife Joint Laboratory for Regenerative Medicine Engineering, School of Medicine, The Chinese University of Hong Kong, Shenzhen 518172, PR China
- Ciechanover Institute of Precision and Regenerative Medicine, School of Medicine, The Chinese University of Hong Kong, Shenzhen 518172, PR China
| | - Guosong Lai
- Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002, PR China
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Potopnyk MA, Mech-Piskorz J, Angulo G, Ceborska M, Luboradzki R, Andresen E, Gajek A, Wisniewska A, Resch-Genger U. Aggregation/Crystallization-Induced Emission in Naphthyridine-Based Carbazolyl-Modified Donor-Acceptor Boron Dyes Tunable by Fluorine Atoms. Chemistry 2024; 30:e202400004. [PMID: 38361470 DOI: 10.1002/chem.202400004] [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: 01/02/2024] [Revised: 02/01/2024] [Accepted: 02/13/2024] [Indexed: 02/17/2024]
Abstract
Four donor-acceptor boron difluoride complexes based on the carbazole electron donor and the [1,3,5,2]oxadiazaborinino[3,4-a][1,8]naphthyridine acceptor were designed, synthesized, and systematically spectroscopically investigated in solutions, in dye-doped polymer films, and in the solid states. The dyes exhibit an intense blue to red solid-state emission with photoluminescence quantum yields of up to 59 % in pure dye samples and 86 % in poly(methyl methacrylate) films. All boron complexes show aggregation-induced emission and reversible mechanofluorochromism. The optical properties of these dyes and their solid state luminescence can be tuned by substitution pattern, i. e., the substituents at the naphthyridine unit. Exchange of CH3- for CF3-groups does not only increase the intramolecular charge transfer character, but also provides a crystallization-induced emission enhancement.
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Affiliation(s)
- Mykhaylo A Potopnyk
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland
- Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Akademika Kuharya Str. 5, 02000, Kyiv, Ukraine
| | - Justyna Mech-Piskorz
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland
| | - Gonzalo Angulo
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland
| | - Magdalena Ceborska
- Faculty of Mathematics and Natural Sciences, Cardinal Stefan Wyszynski University in Warsaw, K. Woycickiego 1/3, 01-938, Warsaw, Poland
| | - Roman Luboradzki
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland
| | - Elina Andresen
- Division Biophotonics, Bundesanstalt für Materilaforschung und -prüfung (BAM), Department 1, Richard-Willstätter-Straβe 11, 12489, Berlin, Germany
| | - Arkadiusz Gajek
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland
| | - Agnieszka Wisniewska
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland
| | - Ute Resch-Genger
- Division Biophotonics, Bundesanstalt für Materilaforschung und -prüfung (BAM), Department 1, Richard-Willstätter-Straβe 11, 12489, Berlin, Germany
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6
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Kohlbecher R, Müller TJJ. A Rational Design of Electrochemically and Photophysically Tunable Triarylamine Luminophores by Consecutive (Pseudo-)Four-Component Syntheses. Chemistry 2024; 30:e202304119. [PMID: 38227421 DOI: 10.1002/chem.202304119] [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: 12/11/2023] [Revised: 01/15/2024] [Accepted: 01/16/2024] [Indexed: 01/17/2024]
Abstract
The concatenation of Suzuki coupling and two-fold Buchwald-Hartwig amination in sequentially palladium-catalyzed consecutive multicomponent syntheses paves a concise, convergent route to diversely functionalized para-biaryl-substituted triarylamines (p-bTAAs) from simple, readily available starting materials. An extensive library of p-bTAAs permits comprehensive investigations of their electronic properties by absorption and emission spectroscopy, cyclic voltammetry, and quantum chemical calculations, which contribute to a deep understanding of their electronic structure. The synthesized p-bTAAs exhibit tunable fluorescence from blue to yellow upon photonic excitation with quantum yields up to 98 % in solution and 92 % in the solid state. Furthermore, a pronounced bathochromic shift of the emission maxima by increasing solvent polarity indicates positive emission solvatochromism. Aggregation-induced enhanced emission (AIEE) in dimethyl sulfoxide (DMSO)/water mixtures causes the formation of intensely blue fluorescent aggregates. Cyclic voltammetry shows reversible first and second oxidations of p-bTAAs at low potentials, which are tunable by variation of the introduced para substituents. 3D Hammett plots resulting from the correlation of oxidation potentials and emission maxima with electronic substituent parameters emphasize the rational design of tailored p-bTAAs with predictable electrochemical and photophysical properties.
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Affiliation(s)
- Regina Kohlbecher
- Heinrich-Heine-Universität Düsseldorf, Faculty of Mathematics and Natural Sciences, Institute of Organic Chemistry and Macromolecular Chemistry, Universitätstrasse 1, 40225, Düsseldorf, Germany
| | - Thomas J J Müller
- Heinrich-Heine-Universität Düsseldorf, Faculty of Mathematics and Natural Sciences, Institute of Organic Chemistry and Macromolecular Chemistry, Universitätstrasse 1, 40225, Düsseldorf, Germany
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7
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Bhandari P, Ahmed S, Saha R, Mukherjee PS. Enhancing Fluorescence in Both Solution and Solid States Induced by Imine Cage Formation. Chemistry 2024; 30:e202303101. [PMID: 38116855 DOI: 10.1002/chem.202303101] [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: 09/25/2023] [Revised: 11/26/2023] [Accepted: 12/20/2023] [Indexed: 12/21/2023]
Abstract
Developing luminescent materials that exhibit strong emissions in both solution and solid phases is highly desirable and challenging. Herein, we report imine-bond directed formation of a rigid organic cage (TPE-cage) that was synthesized by [2+4] imine condensation of a TPE-cored tetra-aldehyde (TPE-TA) with a clip-like diamine (XA) to illustrate confinement-induced fluorescence enhancement. Compared to the non-emissive TPE-TA (ϕF =0.26 %) in the dichloromethane (DCM) solution, the TPE-cage achieved a remarkable (~520-fold) emission enhancement (ϕF =70.38 %). In contrast, a monomeric tetra-imine model compound (TPE-model) showed only a minor enhancement (ϕF =0.56 %) in emission compared to the parent tetra-aldehyde TPE-TA. The emission of TPE-cage was further enhanced by ~1.5-fold (ϕF =80.96 %) in the aggregated state owing to aggregation-induced emission enhancement (AIEE). This approach establishes the potential for synthesizing luminescent materials with high emission in both solution and solid-state by employing a single-step imine condensation reaction.
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Affiliation(s)
- Pallab Bhandari
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012, India
| | - Shakil Ahmed
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012, India
| | - Rajib Saha
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012, India
| | - Partha Sarathi Mukherjee
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore, 560012, India
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8
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Yang G, Liu KY, Cao JY, Yu JY, Sun DL, Wang CZ, Zhao WX, Elsegood MRJ, Teat SJ, Zhu CC, Yamato T. A comparative study on optical properties of pyrene-fused [4]helicenes and vinyl precursors. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 305:123529. [PMID: 37864978 DOI: 10.1016/j.saa.2023.123529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 09/18/2023] [Accepted: 10/11/2023] [Indexed: 10/23/2023]
Abstract
Polycyclic aromatic hydrocarbon-fused [n]helicene derivatives (PAH-fused [n]helicenes) have been widely investigated due to their excellent photoelectric and chiroptical properties. Herein, a series of pyrene-fused helicenes were synthesized by a photocyclization reaction and characterized by 1H/13C NMR spectroscopy and single crystal X-ray diffraction. All compounds and their vinyl precursors were studied as emitting materials. The experimental results reveal that these compounds possess reasonable emission efficiency (ΦFL = 97% for 3a) and tunable optical properties, and a wide emission band from bluish violet for 3c (401 nm) to green-yellow for 4c (530 nm) was observed. The detailed investigation indicated that an efficient, structure-controlled strategy was established to develop pyrene-based [n]helicene materials.
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Affiliation(s)
- Guang Yang
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, PR China
| | - Kai-Yue Liu
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, PR China
| | - Jing-Yi Cao
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, PR China
| | - Jia-Ying Yu
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, PR China
| | - De-Li Sun
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, PR China
| | - Chuan-Zeng Wang
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, PR China; Department of Applied Chemistry, Faculty of Science and Engineering, Saga University Honjo-machi 1, Saga 840-8502, Japan
| | - Wen-Xuan Zhao
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, PR China
| | - Mark R J Elsegood
- Chemistry Department, Loughborough University, Loughborough LE11 3TU, UK
| | - Simon J Teat
- Advanced Light Source, Lawrence Berkeley National Lab, 1 Cyclotron Rd, Berkeley, CA 94720, USA
| | - Cheng-Chen Zhu
- Xinfa Pharmaceutical Co., Ltd, Dongying City 257500, PR China
| | - Takehiko Yamato
- Department of Applied Chemistry, Faculty of Science and Engineering, Saga University Honjo-machi 1, Saga 840-8502, Japan
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9
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Qiao S, Wang J, Guo Z. Ratiometric Fluorescent Detection of Chromium(III) Based on One-Dimensional Imine-Linked Covalent Organic Framework. Inorg Chem 2024; 63:706-713. [PMID: 38111959 DOI: 10.1021/acs.inorgchem.3c03611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
Abstract
Chromium (Cr3+) as a highly toxic pollutant has aroused much attention due to its wide industrial applications. Covalent organic frameworks (COFs) have been considered as one of the most promising metal ion sensors due to their open pore channels and abundant adsorption sites. Herein, a novel luminescent one-dimensional COF (Py-An COF) was constructed by the condensation of 5'-(anthracen-9-yl)-[1,1':3',1″-terphenyl]-4,4″-dicarbaldehyde (An-2CHO) and 1,3,6,8-tetrakis(p-aminophenyl) pyrene (PyTTA). The resulting COF showed high crystallinity, comparative high surface area, and good thermal stability, which can be utilized for Cr3+ fluorescent sensors with high sensitivity and selectivity. Furthermore, the coordination between Schiff-base N atoms and Cr3+ inhibits the photoinduced electron transfer (PET) process, resulting in the enhanced fluorescence intensity of chromophores (436 nm) and decreased the fluorescence intensity of Py-An COF (512 nm) simultaneously, which eventually realizes a highly efficient ratiometric fluorescent sensor for trace Cr3+. Compared with other porous fluorescent materials, Py-An COF possesses a lower detection limit, higher sensitivity, and better selectivity. This work provides strategic guidance for the design of COFs as ratiometric fluorescence sensors.
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Affiliation(s)
- Shujie Qiao
- College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, Fujian, P.R. China
| | - Jiawei Wang
- College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, Fujian, P.R. China
| | - Zhiyong Guo
- College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108, Fujian, P.R. China
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10
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Kawasaki R, Ikeda A. "On-Off" Switching of Functional Guest Molecules via Exchange of Natural Product Solubilizing Agents. Chembiochem 2023; 24:e202300455. [PMID: 37497578 DOI: 10.1002/cbic.202300455] [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: 06/19/2023] [Revised: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 07/28/2023]
Abstract
For the development of delivery systems, the solubilization of hydrophobic guest molecules in water is an important yet challenging task. This can be achieved by preparing stable aqueous solutions with a high concentration of guest molecules using a natural product as a solubilizing agent and a mechanochemical high-speed vibration milling apparatus as a solubilizing method. Various solubilizing agent-guest molecule complexes can be obtained via the exchange between solubilizing agents, which enables the "on-off" switching of the properties of functional guest molecules, such as fluorescence intensity, and photodynamic activity. In the exchange method, guest molecules can transfer into cell membranes such as lysosomes and exosomes. Therefore, the exchange method of the solubilizing agents not only creates novel solubilizing agent-guest molecule complexes but also is applied to drug delivery systems.
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Affiliation(s)
- Riku Kawasaki
- Applied Chemistry Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
| | - Atsushi Ikeda
- Applied Chemistry Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
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11
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Wylie L, Barham JP, Kirchner B. Solvent Dependency of Catalyst-Substrate Aggregation Through π-π Stacking in Photoredox Catalysis. Chemphyschem 2023; 24:e202300470. [PMID: 37477880 DOI: 10.1002/cphc.202300470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 07/21/2023] [Accepted: 07/21/2023] [Indexed: 07/22/2023]
Abstract
Assemblies of photoredox catalysts and their target substrates prior to photoexcitation is a phenomenon naïvely overlooked by the majority of synthetic chemists, but can have profound influences on reactivity and selectivity in photocatalytic reactions. In this study, we determine the aggregation states of triarylamine radical cationic photocatalysts with various target arene substrates in different solvents by specifically parameterized polarizable molecular dynamics simulations. A π-stacking interaction previously implicated by more expensive, less-representative quantum calculations is confirmed. Critically, this study presents new insights on: i) the ability of solvents (MeCN vs DMF) to make or break a photocatalytic reaction by promoting (MeCN) or demoting (DMF) its catalyst-substrate assemblies, which is a determining factor for reactivity, ii) the average "lifetimes" of assemblies in solution from a dynamic simulation. We find that both in the ground state and the photoexcited state, the cationic radical assemblies remain intact for periods often higher than 60 ps, rendering them ideally suitable to undergo intra-assembly electron transfer reactions upon photoexcitation. Such aspects have not addressed by previous studies on synthetic photocatalytic reactions involving non-covalent assemblies.
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Affiliation(s)
- Luke Wylie
- University of Bonn, Clausius Institute of Physical and Theoretical Chemistry, Mulliken Center for Theoretical Chemistry, Beringstr. 4, D-53115, Bonn, Germany
| | - Joshua P Barham
- Institute of Organic Chemistry, University of Regensburg, Universitätsstraße 31, D93053, Regensburg, Germany
| | - Barbara Kirchner
- University of Bonn, Clausius Institute of Physical and Theoretical Chemistry, Mulliken Center for Theoretical Chemistry, Beringstr. 4, D-53115, Bonn, Germany
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12
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De S, Das G. Surfactant-induced disaggregation of a quinoxaline AIEgen scaffold: aggregation aptitude in the solid and solution states. SOFT MATTER 2023; 19:6116-6121. [PMID: 37538008 DOI: 10.1039/d3sm00638g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/05/2023]
Abstract
We have designed five propellor-shaped molecules based on the quinoxaline scaffold with a functional group variation. They exhibit aggregation-induced emission, and the responses of these congeners regarding good solvents and poor solvents are investigated both spectroscopically and microscopically. Solid- as well as solution-state parallel analysis of the aggregation facet is laid out. Notably, L2 interacts specifically with a cationic surfactant, unlike other congeners where the mechanism proceeds via disaggregation. Real sample analysis was carried out on freshwater samples as well as waste effluent samples from domestic households and industries, thus projecting the analytical and environmental significance.
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Affiliation(s)
- Sagnik De
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.
| | - Gopal Das
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India.
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13
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Ma F, Deng L, Wang T, Zhang A, Yang M, Li X, Chen X. Determination of 2, 6-dipicolinic acid as an Anthrax biomarker based on the enhancement of copper nanocluster fluorescence by reversible aggregation-induced emission. Mikrochim Acta 2023; 190:291. [PMID: 37458835 DOI: 10.1007/s00604-023-05910-z] [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: 05/24/2023] [Accepted: 07/10/2023] [Indexed: 07/20/2023]
Abstract
The weak fluorescence efficiency of copper nanoclusters (Cu NCs) limits their wide applications in biosensing and bioimaging areas, while the aggregation-induced emission (AIE) effect is anticipated to increase their luminescence intensity. Herein, the weak red emission of Cu NCs is increased considerably by the addition of lanthanide Tb3+, ascribed to the AIE effect. Monitoring of spores contamination can be carried out by determining the level of 2, 6-dipicolinic acid (DPA), which is a marker of spores. Due to the stronger synergy between DPA and Tb3+ for its clamped configuration of adjacent pyridine nitrogen group with the carboxylic acid group, the addition of DPA leads Tb3+ to be taken away from Cu NCs through a stronger coordination effect, causing Cu NCs to return to the dispersed state and weakened fluorescence. Based on this, an "off-on-off" fluorescent probe for DPA sensing was built, in which Tb3+ was used as a bridge to achieve AIE enhanced fluorescence effect on Cu NCs as well as a specific recognizer of DPA. The detection range for DPA was 0.1-60 μM and the detection limit was 0.06 μM, which was much lower than the infectious dose of anthrax spores. Since DPA is a unique biomarker for bacterial spores, the method was applied to the detection of actual bacterial spores and satisfactory results were obtained with a detection limit of 4.9*103 CFU mL-1.
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Affiliation(s)
- Fanghui Ma
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Lei Deng
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Tingting Wang
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Aomei Zhang
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Minghui Yang
- Hunan Provincial Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China.
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Central South University, Changsha, 410083, China.
- Furong Labratory, Changsha, 410083, China.
| | - Xiaoqing Li
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Central South University, Changsha, 410083, China.
- Furong Labratory, Changsha, 410083, China.
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, 410000, Hunan, China.
| | - Xiang Chen
- National Engineering Research Center of Personalized Diagnostic and Therapeutic Technology, Central South University, Changsha, 410083, China.
- Furong Labratory, Changsha, 410083, China.
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha, 410000, Hunan, China.
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14
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Zhang Y, Fan M, Xu Z, Jiang Y, Ding H, Li Z, Shu K, Zhao M, Feng G, Yong KT, Dong B, Zhu W, Xu G. Machine-learning screening of luminogens with aggregation-induced emission characteristics for fluorescence imaging. J Nanobiotechnology 2023; 21:107. [PMID: 36964565 PMCID: PMC10039567 DOI: 10.1186/s12951-023-01864-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 03/18/2023] [Indexed: 03/26/2023] Open
Abstract
Due to the excellent biocompatible physicochemical performance, luminogens with aggregation-induced emission (AIEgens) characteristics have played a significant role in biomedical fluorescence imaging recently. However, screening AIEgens for special applications takes a lot of time and efforts by using conventional chemical synthesis route. Fortunately, artificial intelligence techniques that could predict the properties of AIEgen molecules would be helpful and valuable for novel AIEgens design and synthesis. In this work, we applied machine learning (ML) techniques to screen AIEgens with expected excitation and emission wavelength for biomedical deep fluorescence imaging. First, a database of various AIEgens collected from the literature was established. Then, by extracting key features using molecular descriptors and training various state-of-the-art ML models, a multi-modal molecular descriptors strategy has been proposed to extract the structure-property relationships of AIEgens and predict molecular absorption and emission wavelength peaks. Compared to the first principles calculations, the proposed strategy provided greater accuracy at a lower computational cost. Finally, three newly predicted AIEgens with desired absorption and emission wavelength peaks were synthesized successfully and applied for cellular fluorescence imaging and deep penetration imaging. All the results were consistent successfully with our expectations, which demonstrated the above ML has a great potential for screening AIEgens with suitable wavelengths, which could boost the design and development of novel organic fluorescent materials.
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Affiliation(s)
- Yibin Zhang
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, Guangdong, 518055, China
| | - Miaozhuang Fan
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, Guangdong, 518055, China
| | - Zhourui Xu
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, Guangdong, 518055, China
| | - Yihang Jiang
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, Guangdong, 518055, China
| | - Huijun Ding
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, Guangdong, 518055, China
| | - Zhengzheng Li
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, Guangdong, 518055, China
| | - Kaixin Shu
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, Guangdong, 518055, China
| | - Mingyan Zhao
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, Guangdong, 518055, China
| | - Gang Feng
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, Guangdong, 518055, China
| | - Ken-Tye Yong
- School of Biomedical Engineering, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Biqin Dong
- Guangdong Provincial Key Laboratory of Durability for Marine Civil Engineering, College of Civil and Transportation Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Wei Zhu
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology and Engineering Research Center for Eco-Dyeing & Finishing of Textiles, Ministry of Education, Zhejiang Provincial Engineering Research Center for Green and Low-carbon Dyeing & Finishing, Zhejiang Sci-Tech University, Hangzhou, 310018, China.
| | - Gaixia Xu
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, Guangdong, 518055, China.
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15
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Wang B, Wang G, Li J, Liu X, Ni N, Su H, Chen M, Mao L. Hexagon AgNCs/PVP Crystallization Induced Cathode Electrochemiluminescence Enhancement for miRNA221 Biosensing. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2205607. [PMID: 36585387 DOI: 10.1002/smll.202205607] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 11/29/2022] [Indexed: 06/17/2023]
Abstract
Aggredation-induced electrochemiluminescence (AIECL) promises an efficient strategy for synthesize highly luminescent emitter and co-reactant for ECL analysis, however, rational control of electrogenerated emission intensity is still challenging. The low electroconductivity and amorphous molecular configuration are intrinsic bottleneck. This work reveals the impact of polyvinyl pyrrolidone backbone regulated silver nanocrystallines (AgNCs/PVP) on the cathode AIECL properties in near infrared region, by employing the Box-Behnken designed response surface computation model to modulate crystal aggregates. Electron paramagnetic resonance spectroscopy discovered hydrogen radical (HO• ) dominant reductive-oxidative (R-O) ECL mechanism with AgNCs acting as the co-reaction accelerator in graphene oxide/persulfate system (GO/S2 O8 2- ). Both theoretical calculation and experimental measurement testified that the ECL of AgNCs in GO/S2 O8 2- dependent on the concentration of in situ electrochemical oxidized Ag+ . The high efficiency of crystallization-induced enhanced ECL (CIECL) originates from 1) the effective electron transfer of Ag+ accelerated HO• produce to notable promote radioactive transition, and 2) twisted intramolecular charge transfer from the electron-rich donor of PVP to electron-deficient receptor of Ag0 to restrict nonradioactive transition. The AgNCs/PVP with CIECL effect are applied to construct an ultrasensitive platform for miR-221 assay with a lower detection limit of 7.47 × 103 copies mL-1 than typical qPCR method.
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Affiliation(s)
- Bin Wang
- School of Public Health, Chengdu Medical College, Chengdu, 610500, China
- JinJIang Center for Disease Control and Prevention, Chengdu, 610021, China
| | - Guangjie Wang
- Cancer Diagnosis and Treatment Center, The General Hospital of Western Theater Command PLA, Chengdu, 610083, China
| | - Jing Li
- Nephrology Department, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, 610072, China
| | - Xinling Liu
- School of Public Health, Chengdu Medical College, Chengdu, 610500, China
| | - Nan Ni
- School of Public Health, Chengdu Medical College, Chengdu, 610500, China
| | - Huilan Su
- School of Public Health, Chengdu Medical College, Chengdu, 610500, China
| | - Mei Chen
- School of Biology Science and Technology, Chengdu Medical College, Chengdu, Sichuan, 610500, China
| | - Li Mao
- School of Public Health, Chengdu Medical College, Chengdu, 610500, China
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16
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Masuda K, Omokawa R, Kawasaki R, Mise Y, Ooyama Y, Harada S, Shinoda W, Ikeda A. Fluorescence Turn-on of Tetraphenylethylene Derivative by Transfer from Cyclodextrin to Liposomes, HeLa Cells, and E. coli. Chemistry 2023; 29:e202203071. [PMID: 36415055 DOI: 10.1002/chem.202203071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 11/19/2022] [Accepted: 11/22/2022] [Indexed: 11/24/2022]
Abstract
Herein, trimethyl-β-cyclodextrin (TMe-β-CDx) and γ-cyclodextrin (γ-CDx) could dissolve a tetraphenylethylene derivative (TPE-OH4 ) in water through high-speed vibration milling. The fluorescence intensity of the TMe-β-CDx-TPE-OH4 complex was much higher than that of the γ-CDx-TPE-OH4 complex, as the rotation of the central C=C double bond of TPE-OH4 after photoactivation was inhibited in a smaller TMe-β-CDx cavity in comparison with the γ-CDx cavity. In contrast, the fluorescence intensity of the γ-CDx-TPE-OH4 complex was very weak; nevertheless, it increased after the addition of liposomes due to the transfer of TPE-OH4 from the γ-CDx cavity to the lipid membrane as a "turn-on" phenomenon. Furthermore, to apply temperature sensor, it was demonstrated that the fluorescence intensity in the liposomes depended on the phase-transition temperature. By using the fluorescence turn-on phenomenon, TPE-OH4 could detect the presence of HeLa cells and E. coli by fluorescence.
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Affiliation(s)
- Kosuke Masuda
- Applied Chemistry Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima, 739-8527, Japan
| | - Riku Omokawa
- Applied Chemistry Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima, 739-8527, Japan
| | - Riku Kawasaki
- Applied Chemistry Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima, 739-8527, Japan
| | - Yuta Mise
- Applied Chemistry Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima, 739-8527, Japan
| | - Yousuke Ooyama
- Applied Chemistry Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima, 739-8527, Japan
| | - Shogo Harada
- Department of Materials Chemistry, Nagoya University Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan
| | - Wataru Shinoda
- Department of Materials Chemistry, Nagoya University Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan.,Research Institute for Interdisciplinary Science, Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama, 700-8530, Japan
| | - Atsushi Ikeda
- Applied Chemistry Program, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima, 739-8527, Japan
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17
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Halder A, Bain DC, Oktawiec J, Addicoat MA, Tsangari S, Fuentes-Rivera JJ, Pitt TA, Musser AJ, Milner PJ. Enhancing Dynamic Spectral Diffusion in Metal-Organic Frameworks through Defect Engineering. J Am Chem Soc 2023; 145:1072-1082. [PMID: 36595477 PMCID: PMC10022273 DOI: 10.1021/jacs.2c10672] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The crystal packing of organic chromophores has a profound impact on their photophysical properties. Molecular crystal engineering is generally incapable of producing precisely spaced arrays of molecules for use in photovoltaics, light-emitting diodes, and sensors. A promising alternative strategy is the incorporation of chromophores into crystalline metal-organic frameworks (MOFs), leading to matrix coordination-induced emission (MCIE) upon confinement. However, it remains unclear how the precise arrangement of chromophores and defects dictates photophysical properties in these systems, limiting the rational design of well-defined photoluminescent materials. Herein, we report new, robust Zr-based MOFs constructed from the linker tetrakis(4-carboxyphenyl)ethylene (TCPE4-) that exhibit an unexpected structural transition in combination with a prominent shift from green to blue photoluminescence (PL) as a function of the amount of acid modulator (benzoic, formic, or acetic acid) used during synthesis. Time-resolved PL (TRPL) measurements provide full spectral information and reveal that the observed hypsochromic shift arises due to a higher concentration of linker substitution defects at higher modulator concentrations, leading to broader excitation transfer-induced spectral diffusion. Spectral diffusion of this type has not been reported in a MOF to date, and its observation provides structural information that is otherwise unobtainable using traditional crystallographic techniques. Our findings suggest that defects have a profound impact on the photophysical properties of MOFs and that their presence can be readily tuned to modify energy transfer processes within these materials.
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Affiliation(s)
- Arjun Halder
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14850, United States
| | - David C Bain
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14850, United States
| | - Julia Oktawiec
- Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
| | - Matthew A Addicoat
- School of Science and Technology, Nottingham Trent University, Clifton Lane, NG11 8NS Nottingham, United Kingdom
| | - Stavrini Tsangari
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14850, United States
| | - José J Fuentes-Rivera
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14850, United States
| | - Tristan A Pitt
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14850, United States
| | - Andrew J Musser
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14850, United States
| | - Phillip J Milner
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14850, United States
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18
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Song N, Li W, Luo W, Zhai Z, Wang S, Huai R, Zhang D, Zhou Z, Yang L. Efficient and selective fluorescence sensing of nitro-containing aromatic compounds by a binuclear lanthanide-based metal-organic framework. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2022.123568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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19
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Clustering-triggered phosphorescence of nonconventional luminophores. Sci China Chem 2022. [DOI: 10.1007/s11426-022-1378-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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20
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Bhardwaj V, Patel DA, Majeed SA, Hameed ASS, Aatif A M, Sk AK, Sahoo SK. Probing biothiols using a red-emitting pyridoxal derivative by adopting copper(II) displacement approach and cell imaging. Chem Biodivers 2022; 19:e202200425. [PMID: 35959557 DOI: 10.1002/cbdv.202200425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 08/11/2022] [Indexed: 11/06/2022]
Abstract
An aggregation-induced emission (AIE) active Schiff base L was synthesized by condensing pyridoxal and 2-hydroxy-1-naphthaldehyde with p -phenylenediamine in two simple steps in ethanol. The colorimetric, UV-Vis and fluorescence studies of L revealed that the weak yellow emissive L (λ em =540 nm, λ ex = 450 nm) in pure DMSO turned to a red-emissive L upon increasing the poor solvent fraction (HEPES buffer, 10 mM, pH 7.4) above 50% in DMSO. The DLS and SEM analysis supported the formation of self-aggregates of L that restricted the intramolecular motion and activated the ESIPT. The cations sensing ability of the AIEgen L was explored in HEPES buffer (5% DMSO, 10 mM, pH 7.4), where Cu 2+ selectively quenched the fluorescence at 608 nm due to the chelation-enhanced fluorescence quenching (CHEQ) effect with an estimated sensitivity limit of 0.9 µM. Subsequently, the in situ formed AIEgen L-Cu 2+ complex was applied for the cascade detection of cysteine (Cys), homocysteine (Hcy) and glutathione (GSH). The decomplexation of Cu 2+ from the AIEgen L-Cu 2+ upon addition of Cys, Hcy and GSH restored the quenched fluorescence emission of AIEgen L at 608 nm. With this Cu 2+ displacement approach, the concentration of Cys, Hcy and GSH can be detected down to 2.8 µM, 3.12 µM and 2.0 µM, respectively. The practical utility of AIEgen L and AIEgen L-Cu 2+ was validated by quantifying the selective analytes in various environmental and biological samples, and also applied successfully for the cell imaging applications.
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Affiliation(s)
- Vinita Bhardwaj
- SVNIT Surat: Sardar Vallabhbhai National Institute of Technology, Department of Chemistry, Ichchhanath, Surat, INDIA
| | - Dhvani A Patel
- SVNIT Surat: Sardar Vallabhbhai National Institute of Technology, Department of Chemistry, Ichchhanath, 395007, Surat, INDIA
| | - S Abdul Majeed
- C. Abdul Hakeem college, Department of Zoology and Aquatic Animal Health Laboratory, C. Abdul Hakeem College, Melvisharam, INDIA
| | - A S Sahul Hameed
- C. Abdul Hakeem College, Department of Zoology and Aquatic Animal Health Laboratory, C. Abdul Hakeem College, Melvisharam, INDIA
| | - Mujthaba Aatif A
- VIT University, Department of Chemistry, School of Advance Sciences, Vellore, INDIA
| | - Ashok Kumar Sk
- VIT University, Department of Chemistry, School of Advance Sciences, Vellore, INDIA
| | - Suban K Sahoo
- SV National Institute of Technology, Applied Chemistry, Ichchhanath, 395007, Surat, INDIA
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21
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Li J, Zhang Z, Deng X, Xu Z, Wang L, Xu G, Wang K, Wang D, Tang BZ. A potent luminogen with NIR-IIb excitable AIE features for ultradeep brain vascular and hemodynamic three-photon imaging. Biomaterials 2022; 287:121612. [PMID: 35671577 DOI: 10.1016/j.biomaterials.2022.121612] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 05/19/2022] [Accepted: 05/30/2022] [Indexed: 11/25/2022]
Abstract
Three-photon excited fluorescence microscopy (3PEFM) has emerged as a promising protocol for visualizing deep-brain vasculature and hemodynamics. However, the current situation is still far from satisfactory, due to small excitation action cross-section and short excitation wavelength of those previously reported 3PEFM luminogens. Herein, we manipulated molecular engineering by subtly regulating structural planarization/twisting to achieve ingenious integration of large three-photon absorption cross-section, high fluorescence quantum yield, ultralong near-infrared IIb excitation, and aggregation-induced emission features. The resulting molecule, namely DPCZ-BT, exhibited as high as 50.6% of fluorescence quantum yield and as large as 2.0 × 10-81 cm6s2/photon2 of three-photon absorption cross-section, which can be excited by 1665 nm fs laser and presents a recorded penetration depth of 1860 μm for deep-brain vascular structural imaging with high spatiotemporal resolution and signal-to-background ratio. Moreover, DPCZ-BT having good photostability and excellent biocompatibility is capable of impressively approaching 1600 μm depth in monitoring red blood cells flow velocity with extraordinary clarity for hemodynamics.
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Affiliation(s)
- Jiangao Li
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Material Science and Engineering, Shenzhen University, Shenzhen, 518060, China; Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Zhijun Zhang
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Material Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Xiangquan Deng
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Zhourui Xu
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, 518060, China
| | - Lei Wang
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Material Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Gaixia Xu
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, School of Biomedical Engineering, Health Science Center, Shenzhen University, Shenzhen, 518060, China.
| | - Ke Wang
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China.
| | - Dong Wang
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Material Science and Engineering, Shenzhen University, Shenzhen, 518060, China.
| | - Ben Zhong Tang
- Center for AIE Research, Shenzhen Key Laboratory of Polymer Science and Technology, Guangdong Research Center for Interfacial Engineering of Functional Materials, College of Material Science and Engineering, Shenzhen University, Shenzhen, 518060, China; School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong, Shenzhen, Guangdong, 518172, China.
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22
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23
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Kojima N, Kato M, Sunada Y. Discrete palladium clusters that consist of two mutually bisecting perpendicular planes. Chem Sci 2022; 13:7610-7615. [PMID: 35872831 PMCID: PMC9241975 DOI: 10.1039/d2sc02302d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 06/08/2022] [Indexed: 11/24/2022] Open
Abstract
The construction of novel molecules with unprecedented alignments of the constituent elements has revolutionized the field of functional materials. The arrangement of two or more planar subunits in a mutually perpendicular fashion is a frequently encountered approach to produce novel functional materials. Previous examples of such materials can be categorized into two well-investigated families: spiro-conjugated and dumbbell-shaped structures, wherein the two planes are aligned orthogonally via a single atom or an axis, respectively. This article describes a third family: reaction of [Pd(CNtBu)2]3 with Sn3Me8 or Ge6Me12 afforded a Pd7Sn4 cluster and a Pd8Ge6 cluster that consist of two mutually bisecting perpendicular planes. In the Pd7Sn4 cluster, the two equivalent Pd5Sn2 planes share three palladium atoms that include a dihedral angle of 85.6°. The construction of Pd7Sn4 and Pd8Ge6 clusters that consist of two mutually bisecting perpendicular planes was accomplished by the reaction of [Pd(CNtBu)2]3 with Me3Sn–SnMe2–SnMe3 or Ge6Me12.![]()
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Affiliation(s)
- Naoya Kojima
- Department of Applied Chemistry, School of Engineering, The University of Tokyo 4-6-1, Komaba, Meguro-ku Tokyo 153-8505 Japan
| | - Misaki Kato
- Department of Applied Chemistry, School of Engineering, The University of Tokyo 4-6-1, Komaba, Meguro-ku Tokyo 153-8505 Japan
| | - Yusuke Sunada
- Department of Applied Chemistry, School of Engineering, The University of Tokyo 4-6-1, Komaba, Meguro-ku Tokyo 153-8505 Japan .,Institute of Industrial Science, The University of Tokyo 4-6-1, Komaba, Meguro-ku Tokyo 153-8505 Japan
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24
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Turley AT, Saha PK, Danos A, Bismillah AN, Monkman AP, Yufit DS, Curchod BFE, Etherington MK, McGonigal PR. Extended Conjugation Attenuates the Quenching of Aggregation-Induced Emitters by Photocyclization Pathways. Angew Chem Int Ed Engl 2022; 61:e202202193. [PMID: 35343025 PMCID: PMC9325432 DOI: 10.1002/anie.202202193] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Indexed: 12/22/2022]
Abstract
Herein, we expose how the antagonistic relationship between solid‐state luminescence and photocyclization of oligoaryl alkene chromophores is modulated by the conjugation length of their alkenyl backbones. Heptaaryl cycloheptatriene molecular rotors exhibit aggregation‐induced emission characteristics. We show that their emission is turned off upon breaking the conjugation of the cycloheptatriene by epoxide formation. While this modification is deleterious to photoluminescence, it enables formation of extended polycyclic frameworks by Mallory reactions. We exploit this dichotomy (i) to manipulate emission properties in a controlled manner and (ii) as a synthetic tool to link together pairs of phenyl rings in a specific sequence. This method to alter the tendency of oligoaryl alkenes to undergo photocyclization can inform the design of solid‐state emitters that avoid this quenching mechanism, while also allowing selective cyclization in syntheses of polycyclic aromatic hydrocarbons.
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Affiliation(s)
- Andrew T Turley
- Department of Chemistry, Durham University, Lower Mountjoy, Stockton Road, Durham, DH1 3LE, UK
| | - Promeet K Saha
- Department of Chemistry, Durham University, Lower Mountjoy, Stockton Road, Durham, DH1 3LE, UK
| | - Andrew Danos
- Department of Physics, Durham University, Lower Mountjoy, Stockton Road, Durham, DH1 3LE, UK
| | - Aisha N Bismillah
- Department of Chemistry, Durham University, Lower Mountjoy, Stockton Road, Durham, DH1 3LE, UK
| | - Andrew P Monkman
- Department of Physics, Durham University, Lower Mountjoy, Stockton Road, Durham, DH1 3LE, UK
| | - Dmitry S Yufit
- Department of Chemistry, Durham University, Lower Mountjoy, Stockton Road, Durham, DH1 3LE, UK
| | - Basile F E Curchod
- Department of Chemistry, Durham University, Lower Mountjoy, Stockton Road, Durham, DH1 3LE, UK
| | - Marc K Etherington
- Department of Physics, Durham University, Lower Mountjoy, Stockton Road, Durham, DH1 3LE, UK.,Department of Mathematics, Physics and Electrical Engineering, Northumbria University, Ellison Place, Newcastle upon Tyne, NE1 8ST, UK
| | - Paul R McGonigal
- Department of Chemistry, Durham University, Lower Mountjoy, Stockton Road, Durham, DH1 3LE, UK
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25
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Xu W, Hu D, Wang Z, Wang G, Liu K, Liang J, Miao R, Fang Y. Insight into the Clustering-Triggered Emission and Aggregation-Induced Emission Exhibited by an Adamantane-Based Molecular System. J Phys Chem Lett 2022; 13:5358-5364. [PMID: 35678422 DOI: 10.1021/acs.jpclett.2c01228] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Chemical clustering of a nonemissive and non-AIEgen of Cb-Ph endowed a molecular system (Ad-4CP) with unique dual emissions in the solution state, a typical clustering-triggered emission (CTE), and high emission efficiency in the aggregated state, an aggregation-induced emission (AIE). The CTE was ascribed to intramolecular charge transfer (CT); however, the AIE was ascribed to both intra- and intermolecular CTs. The two-level CTs make the Ad-4CP exhibit remarkable excitation-dependent emissions. We believe that the present work not only delivers a peculiar molecular system with both CTE and AIE properties but also provides an example on how molecular engineering promotes the rational design of CTE and AIE systems via clusterization of suitable structural units.
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Affiliation(s)
- Wenjun Xu
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P.R. China
| | - Dingfang Hu
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P.R. China
| | - Zhaolong Wang
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P.R. China
| | - Gang Wang
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P.R. China
| | - Ke Liu
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P.R. China
| | - Jingjing Liang
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P.R. China
| | - Rong Miao
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P.R. China
| | - Yu Fang
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P.R. China
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26
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Biswakarma D, Dey N, Bhattacharya S. Molecular design of amphiphiles for Microenvironment-Sensitive kinetically controlled gelation and their utility in probing alcohol contents. J Colloid Interface Sci 2022; 615:335-345. [DOI: 10.1016/j.jcis.2021.12.060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 12/04/2021] [Accepted: 12/09/2021] [Indexed: 11/26/2022]
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27
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Cappello D, Buguis FL, Boyle PD, Gilroy JB. Dual Emission, Aggregation, and Redox Properties of Boron Difluoride Hydrazones Functionalized with Triphenylamines. CHEMPHOTOCHEM 2022. [DOI: 10.1002/cptc.202200131] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Daniela Cappello
- The University of Western Ontario Department of Chemistry CANADA
| | | | - Paul D. Boyle
- The University of Western Ontario Department of Chemistry CANADA
| | - Joe B. Gilroy
- The University of Western Ontario Department of Chemistry 1151 Richmond St. N. N6A 5B7 London CANADA
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28
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Patalag LJ, Hoche J, Mitric R, Werz DB, Feringa BL. Transforming Dyes into Fluorophores: Exciton‐Induced Emission with Chain‐like Oligo‐BODIPY Superstructures. Angew Chem Int Ed Engl 2022; 61:e202116834. [PMID: 35244983 PMCID: PMC9310714 DOI: 10.1002/anie.202116834] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Indexed: 11/24/2022]
Abstract
Herein we present a systematic study demonstrating to which extent exciton formation can amplify fluorescence based on a series of ethylene‐bridged oligo‐BODIPYs. A set of non‐ and weakly fluorescent BODIPY motifs was selected and transformed into discrete, chain‐like oligomers by linkage via a flexible ethylene tether. The prepared superstructures constitute excitonically active entities with non‐conjugated, Coulomb‐coupled oscillators. The non‐radiative deactivation channels of Internal Conversion (IC), also combined with an upstream reductive Photoelectron Transfer (rPET) and Intersystem Crossing (ISC) were addressed at the monomeric state and the evolution of fluorescence and (non‐)radiative decay rates studied along the oligomeric series. We demonstrate that a “masked” fluorescence can be fully reactivated irrespective of the imposed conformational rigidity. This work challenges the paradigm that a collective fluorescence enhancement is limited to sterically induced motional restrictions.
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Affiliation(s)
- Lukas J. Patalag
- University of Groningen Stratingh Institute for Chemistry Nijenborgh 4 9747 AG Groningen The Netherlands
| | - Joscha Hoche
- Universität Würzburg Institute of Physical and Theoretical Chemistry Am Hubland 97074 Würzburg Germany
| | - Roland Mitric
- Universität Würzburg Institute of Physical and Theoretical Chemistry Am Hubland 97074 Würzburg Germany
| | - Daniel B. Werz
- Technische Universität Braunschweig Institute of Organic Chemistry Hagenring 30 38106 Braunschweig Germany
| | - Ben L. Feringa
- University of Groningen Stratingh Institute for Chemistry Nijenborgh 4 9747 AG Groningen The Netherlands
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29
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Li L, Yuan G, Qi Q, Lv C, Liang J, Li H, Cao L, Zhang X, Wang S, Cheng Y, He H. Synthesis of tetraphenylethene-based D-A conjugated molecules with near-infrared AIE features, and their application in photodynamic therapy. J Mater Chem B 2022; 10:3550-3559. [PMID: 35420087 DOI: 10.1039/d1tb02598h] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Herein, five aggregation-induced emission (AIE) photosensitizers (PSs) with D-π-A structures are smoothly designed and synthesized through donor and acceptor engineering. The photophysical properties and theoretical calculation results show that the synergistic effect of methoxy substituted tetraphenylethene (MTPE), 3,4-ethylenedioxythiophene can enhance the intramolecular charge transfer effect (ICT), and promote the intersystem crossing (ISC) process of the whole molecule. In these AIE-PSs, the best-performing AIE-PS (MTPE-DT-Py) has bright NIR (740 nm) emission, the highest 1O2 generation efficiency (5.9-fold that of Rose Bengal) and efficient mitochondrial targeting ability. Subsequently, PDT anti-cancer and anti-bacterial experiments indicate that MTPE-DT-Py could obviously target mitochondria and kill breast cancer cells (MCF-7), and selectively inactivate S. aureus (G(+)) under white light irradiation. This work mainly proposes a practical design strategy for high effect AIE-PSs and provides more excellent candidates for fluorescence imaging-guided photodynamic therapy.
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Affiliation(s)
- Li Li
- Collaborative Innovation Center for Advanced Organic Chemical Materials Co-constructed by the Province and Ministry, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Youyi Road 368, Wuchang, Wuhan, Hubei, 430062, P. R. China.
| | - Gang Yuan
- Collaborative Innovation Center for Advanced Organic Chemical Materials Co-constructed by the Province and Ministry, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Youyi Road 368, Wuchang, Wuhan, Hubei, 430062, P. R. China.
| | - Qianjiao Qi
- Collaborative Innovation Center for Advanced Organic Chemical Materials Co-constructed by the Province and Ministry, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Youyi Road 368, Wuchang, Wuhan, Hubei, 430062, P. R. China.
| | - Cheng Lv
- Translational Medical Center for Stem Cell Therapy & Institute for Regenerative Medicine, Shanghai East Hospital, Tongji University School of Medicine, 1800 Yuntai Road, Shanghai, 200123, P. R. China.
| | - Jichao Liang
- College of Life Science, Hubei University, Youyi Road 368, Wuchang, Wuhan, Hubei 430062, P. R. China
| | - Hongjie Li
- Collaborative Innovation Center for Advanced Organic Chemical Materials Co-constructed by the Province and Ministry, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Youyi Road 368, Wuchang, Wuhan, Hubei, 430062, P. R. China.
| | - Lei Cao
- Collaborative Innovation Center for Advanced Organic Chemical Materials Co-constructed by the Province and Ministry, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Youyi Road 368, Wuchang, Wuhan, Hubei, 430062, P. R. China.
| | - Xiuhua Zhang
- Collaborative Innovation Center for Advanced Organic Chemical Materials Co-constructed by the Province and Ministry, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Youyi Road 368, Wuchang, Wuhan, Hubei, 430062, P. R. China.
| | - Shengfu Wang
- Collaborative Innovation Center for Advanced Organic Chemical Materials Co-constructed by the Province and Ministry, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Youyi Road 368, Wuchang, Wuhan, Hubei, 430062, P. R. China.
| | - Yu Cheng
- Translational Medical Center for Stem Cell Therapy & Institute for Regenerative Medicine, Shanghai East Hospital, Tongji University School of Medicine, 1800 Yuntai Road, Shanghai, 200123, P. R. China.
| | - Hanping He
- Collaborative Innovation Center for Advanced Organic Chemical Materials Co-constructed by the Province and Ministry, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Youyi Road 368, Wuchang, Wuhan, Hubei, 430062, P. R. China.
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30
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Turley AT, Saha PK, Danos A, Bismillah AN, Monkman AP, Yufit DS, Curchod BFE, Etherington MK, McGonigal PR. Extended Conjugation Attenuates the Quenching of Aggregation‐Induced Emitters by Photocyclization Pathways. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202193] [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)
| | | | - Andrew Danos
- Durham University Department of Physics UNITED KINGDOM
| | | | | | - Dmitry S Yufit
- Durham University Department of Chemistry UNITED KINGDOM
| | | | - Marc Kenneth Etherington
- Northumbria University Department of Mathematics, Physics, and Electrical Engineering UNITED KINGDOM
| | - Paul Ronald McGonigal
- Durham University Department of Chemistry Lower Mountjoy DH1 3LE Durham UNITED KINGDOM
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31
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Patalag LJ, Hoche J, Mitric R, Werz DB, Feringa BL. Transforming Dyes Into Fluorophores: Exciton‐Induced Emission with Chain‐like Oligo‐BODIPY Superstructures. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202116834] [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)
- Lukas J. Patalag
- University of Groningen: Rijksuniversiteit Groningen Stratingh Institute for Chemistry NETHERLANDS
| | - Joscha Hoche
- Universität Würzburg: Julius-Maximilians-Universitat Wurzburg Institute of Physical and Theoretical Chemistry GERMANY
| | - Roland Mitric
- Universität Würzburg: Julius-Maximilians-Universitat Wurzburg Institute of Theoretical and Physical Chemistry GERMANY
| | - Daniel B. Werz
- TU Braunschweig: Technische Universitat Braunschweig Institute for Organic Chemistry GERMANY
| | - Ben L Feringa
- University of Groningen Stratingh Institute for Chemistry, Faculty of Science and Engineering Nijenborgh 4 9747 AG Groningen NETHERLANDS
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32
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Zhang Z, Lieu T, Wang X, Daugulis O, Miljanic O. Synthesis and Optical Properties of Fluorinated Tetraphenylethylenes. CHEMPHOTOCHEM 2022. [DOI: 10.1002/cptc.202200011] [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)
- Zhenglin Zhang
- University of Houston Department of Chemistry UNITED STATES
| | - Thien Lieu
- University of Houston Department of Chemistry UNITED STATES
| | - Xiqu Wang
- University of Houston Department of Chemistry UNITED STATES
| | - Olafs Daugulis
- University of Houston Department of Chemistry UNITED STATES
| | - Ognjen Miljanic
- University of Houston Department of Chemistry 112 Fleming Building 77204-5003 Houston UNITED STATES
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33
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Younes EA, Abdollahi MF, Rasras AJ, Zhao Y. Joint experimental and computational studies of a cyanomethylcarbamoyl-bridged pyrene–dinitrobenzene molecular ensemble. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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34
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Chen Z, Cao X, Chen S, Yu S, Lin Y, Lin S, Wang Z. Design, Synthesis and Application of Trisubstituted Olefinic Aggregation-Induced Emission Molecules. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202203028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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35
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Ucar H, Wagenknecht HA. Aggregation-induced emission by sequence-selective assembly of cyanolytated distyrylbenzene in supramolecular DNA architectures. Chem Commun (Camb) 2022; 58:6437-6440. [DOI: 10.1039/d2cc01161a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The cyanolated distyrylbenzene conjugated to 2’-deoxyuridine is a new building block for supramolecular DNA architectures combining aggregation-induced emission and sequence-selective binding. A high number of binding sites at the DNA...
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36
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Zhang JW, Li H, Li JQ, Chen Y, Qu P, Zhai QG. Enhancement of the fluorescence properties via introducing the tetraphenylethylene chromophores into a novel Mn-organic framework with a rare [Mn 4(μ 3-OH) 2] cluster. Dalton Trans 2021; 50:17482-17486. [PMID: 34788353 DOI: 10.1039/d1dt03349b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
By employing a tetraphenylethylene (TPE)-based tetracarboxylate linker, tetrakis(4-carboxyphenyl)ethylene (H4TCPE), we herein constructed a novel luminescent Mn-MOF based on a rare [Mn4(μ3-OH)2] cluster (SQNU-55). Interestingly, the TPE-based SQNU-55 not only provides a good material for the blue LED device, but also has a better luminescent molecular thermometer for low-temperature detection.
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Affiliation(s)
- Jian-Wei Zhang
- School of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu, Henan, 476000, P. R. China.
| | - Hui Li
- School of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu, Henan, 476000, P. R. China.
| | - Jie-Qiong Li
- School of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu, Henan, 476000, P. R. China.
| | - Ya Chen
- School of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu, Henan, 476000, P. R. China.
| | - Peng Qu
- School of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu, Henan, 476000, P. R. China.
| | - Quan-Guo Zhai
- Key Laboratory of Macromolecular Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an, Shaanxi, 710062, P. R. China.
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37
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Chen X, Han H, Tang Z, Jin Q, Ji J. Aggregation-Induced Emission-Based Platforms for the Treatment of Bacteria, Fungi, and Viruses. Adv Healthc Mater 2021; 10:e2100736. [PMID: 34190431 DOI: 10.1002/adhm.202100736] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 06/01/2021] [Indexed: 12/19/2022]
Abstract
The prevention and control of pathogenic bacteria, fungi, and viruses is a herculean task for all the countries since they greatly threaten global public health. Rapid detection and effective elimination of these pathogens is crucial for the treatment of related diseases. It is urgently demanded to develop new diagnostic and therapeutic strategies to combat bacteria, fungi, and viruses-induced infections. The emergence of aggregation-induced emission (AIE) luminogens (AIEgens) is a revolutionary breakthrough for the treatment of many diseases, including pathogenic infections. In this review, the main focus is on the applications of AIEgens for theranostic treatment of pathogenic bacteria, fungi, and viruses. Due to the AIE characteristic, AIEgens are promising fluorescent probes for the detection of bacteria, fungi, and viruses with excellent sensitivity and photostability. Moreover, AIEgen-based theranostic platforms can be fabricated by introducing bactericidal moieties or designing AIE photosensitizers and AIE photothermal agents. The current strategies and ongoing developments of AIEgens for the treatment of pathogenic bacteria, fungi, and viruses will be discussed in detail.
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Affiliation(s)
- Xiaohui Chen
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education Department of Polymer Science and Engineering Zhejiang University Hangzhou Zhejiang Province 310027 P. R. China
| | - Haijie Han
- Eye Center the Second Affiliated Hospital School of Medicine Zhejiang University 88 Jiefang Road Hangzhou 310009 P. R. China
| | - Zhe Tang
- Department of Surgery The Fourth Affiliated Hospital Zhejiang University School of Medicine Yiwu 322000 China
| | - Qiao Jin
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education Department of Polymer Science and Engineering Zhejiang University Hangzhou Zhejiang Province 310027 P. R. China
| | - Jian Ji
- MOE Key Laboratory of Macromolecule Synthesis and Functionalization of Ministry of Education Department of Polymer Science and Engineering Zhejiang University Hangzhou Zhejiang Province 310027 P. R. China
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38
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Liang R, Das D, Bakhtiiari A. Protein confinement fine-tunes aggregation-induced emission in human serum albumin. Phys Chem Chem Phys 2021; 23:26263-26272. [PMID: 34787133 DOI: 10.1039/d1cp04577f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Luminogens exhibiting aggregation-induced-emission characteristics (AIEgens) have been designed as sensitive biosensors thanks to their "turn-on" fluorescence upon target binding. However, their AIE mechanism in biomolecules remains elusive except for the qualitative picture of restricted intramolecular motions. In this work, we employed ab initio simulations to investigate the AIE mechanism of two tetraphenylethylene derivatives recently developed for sensitive detection of human serum albumin (HSA) in biological fluids. For the first time, we quantified the ab initio free energy surfaces and kinetics of AIEgens to access the conical intersections on the excited state in the protein and aqueous solution, using a novel first-principles electronic structure method that incorporates both static and dynamic electron correlations. Our simulations accurately reproduce the experimental spectra and high-level correlated electronic structure calculations. We found that in HSA the internal conversion through the cyclization reaction is preferred over the isomerization around the central ethylenic double bond, whereas in the aqueous solution the reverse is true. Accordingly, the protein environment is able to moderately speed up certain non-radiative decay pathways, a new finding that is beyond the prediction of the existing model of restricted access to a conical intersection (RACI). As such, our findings highlight the complicated effects of the protein confinement on the competing non-radiative decay channels, which has been largely ignored so far, and extend the existing theories of AIE to biological systems. The new insights and the multiscale computational methods used in this work will aid the design of sensitive AIEgens for bioimaging and disease diagnosis.
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Affiliation(s)
- Ruibin Liang
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, 79409, USA.
| | - Debojyoti Das
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, 79409, USA.
| | - Amirhossein Bakhtiiari
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, 79409, USA.
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39
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Tang S, Yang T, Zhao Z, Zhu T, Zhang Q, Hou W, Yuan WZ. Nonconventional luminophores: characteristics, advancements and perspectives. Chem Soc Rev 2021; 50:12616-12655. [PMID: 34610056 DOI: 10.1039/d0cs01087a] [Citation(s) in RCA: 113] [Impact Index Per Article: 37.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Nonconventional luminophores devoid of remarkable conjugates have attracted considerable attention due to their unique luminescence behaviors, updated luminescence mechanism of organics and promising applications in optoelectronic, biological and medical fields. Unlike classic luminogens consisting of molecular segments with greatly extended electron delocalization, these unorthodox luminophores generally possess nonconjugated structures based on subgroups such as ether (-O-), hydroxyl (-OH), halogens, carbonyl (CO), carboxyl (-COOH), cyano (CN), thioether (-S-), sulfoxide (SO), sulfone (OSO), phosphate, and aliphatic amine, as well as their grouped functionalities like amide, imide, anhydride and ureido. They can exhibit intriguing intrinsic luminescence, generally featuring concentration-enhanced emission, aggregation-induced emission, excitation-dependent luminescence and prevailing phosphorescence. Herein, we review the recent progress in exploring these nonconventional luminophores and discuss the current challenges and future perspectives. Notably, different mechanisms are reviewed and the clustering-triggered emission (CTE) mechanism is highlighted, which emphasizes the clustering of the above mentioned electron rich moieties and consequent electron delocalization along with conformation rigidification. The CTE mechanism seems widely applicable for diversified natural, synthetic and supramolecular systems.
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Affiliation(s)
- Saixing Tang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang, Shanghai 200240, China.
| | - Tianjia Yang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang, Shanghai 200240, China.
| | - Zihao Zhao
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang, Shanghai 200240, China.
| | - Tianwen Zhu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang, Shanghai 200240, China.
| | - Qiang Zhang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang, Shanghai 200240, China.
| | - Wubeiwen Hou
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang, Shanghai 200240, China.
| | - Wang Zhang Yuan
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Lab of Electrical Insulation and Thermal Aging, Shanghai Electrochemical Energy Devices Research Center, Shanghai Jiao Tong University, No. 800 Dongchuan Rd., Minhang, Shanghai 200240, China.
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40
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Wang C, Chi W, Qiao Q, Tan D, Xu Z, Liu X. Twisted intramolecular charge transfer (TICT) and twists beyond TICT: from mechanisms to rational designs of bright and sensitive fluorophores. Chem Soc Rev 2021; 50:12656-12678. [PMID: 34633008 DOI: 10.1039/d1cs00239b] [Citation(s) in RCA: 145] [Impact Index Per Article: 48.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The twisted intramolecular charge transfer (TICT) mechanism has guided the development of numerous bright and sensitive fluorophores. This review briefly overviews the history of establishing the TICT mechanism, and systematically summarizes the molecular design strategies in modulating the TICT tendency of various organic fluorophores towards different applications, along with key milestone studies and representative examples. Additionally, we also succinctly review the twisted intramolecular charge shuttle (TICS) and twists during photoinduced electron transfer (PET), and compare their similarities and differences with TICT, with emphasis on understanding the structure-property relationships between the twisted geometries and how they can directly affect the fluorescence of the molecules. Such structure-property relationships presented herein will greatly aid the rational development of fluorophores that involve molecular twisting in the excited state.
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Affiliation(s)
- Chao Wang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China. .,Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, 487372, Singapore.
| | - Weijie Chi
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, 487372, Singapore.
| | - Qinglong Qiao
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China.
| | - Davin Tan
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, 487372, Singapore.
| | - Zhaochao Xu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, China.
| | - Xiaogang Liu
- Fluorescence Research Group, Singapore University of Technology and Design, 8 Somapah Road, 487372, Singapore.
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41
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Feng W, Liu K, Zang J, Wang G, Miao R, Ding L, Liu T, Kong J, Fang Y. Flexible and Transparent Oligothiophene- o-Carborane-Containing Hybrid Films for Nonlinear Optical Limiting Based on Efficient Two-Photon Absorption. ACS APPLIED MATERIALS & INTERFACES 2021; 13:28985-28995. [PMID: 34121390 DOI: 10.1021/acsami.1c07835] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Structure-property relationship for fluorophores with favorable nonlinear optical (NLO) properties are promising topics in organic chemistry and material science. Herein, a series of terthiophene-o-carborane dyads and triads covalently linked with different end-capping styles were readily synthesized and comprehensively investigated. Quantitative values of the crystal and packing structures, photophysical parameters including aggregation-induced emission (AIE) and two-photon absorption (2PA) were provided. Significant impact of carborane unit for introducing the AIE characteristic has been investigated in contrast to the parent oligothiophene. All the obtained fluorophores exhibit maximum absorption around 370 nm in THF and emit bright reddish photoluminscence with absolute fluorescence quantum yields above 16% in solid states. Intramolecular charge communication between oligothiophene and carborane plays important roles in the related NLO properties. These results are supported well by the time-dependent DFT theoretical calculations. Effective 2PA cross sections (δ2PA = 95-355 GM@650 nm) and transition dipole moments of the derivatives are variable for different end-capping styles. Their potential applications as optical limiting materials based on the 2PA mechanism in solutions and doped PDMS films were further evaluated. Taken together, this work provides an understanding of their structure-property relationship, and flexible PDMS films as outstanding candidates for practical applications in optical limiting.
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Affiliation(s)
- Wan Feng
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China
| | - Ke Liu
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China
| | - Jianyang Zang
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China
| | - Gang Wang
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China
| | - Rong Miao
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China
| | - Liping Ding
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China
| | - Taihong Liu
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China
| | - Jinglin Kong
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205,P. R. China
| | - Yu Fang
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China
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42
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Ucar H, Wagenknecht HA. DNA-templated control of chirality and efficient energy transport in supramolecular DNA architectures with aggregation-induced emission. Chem Sci 2021; 12:10048-10053. [PMID: 34377398 PMCID: PMC8317660 DOI: 10.1039/d1sc02351a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 06/19/2021] [Indexed: 01/15/2023] Open
Abstract
Two conjugates of tetraphenylethylene with d-2′-deoxyuridine (1d) and l-2′-deoxyuridine (1l) were synthesized to construct new supramolecular DNA-architectures by self-assembly. The non-templated assemblies of 1d and 1l show strong aggregation-induced emission and their chirality is exclusively controlled by the configuration of their sugar part. In contrast, the chirality of the DNA-templated assemblies is governed by the configuration of the DNA, and there is no configuration-selective binding of 1d to d-A20 and 1l to l-A20. The quantum yield of the assembly of 1d along the single-stranded DNA A20 is 0.40; approximately every second available binding site on the DNA template is occupied by 1d. The strong aggregation-induced emission of these DNA architectures can be efficiently quenched and the excitation energy can be transported to Atto dyes at the 5′-terminus. A multistep energy transport “hopping” precedes the final energy transfer to the terminal acceptor. The building block 1d promotes this energy transport as stepping stones. This was elucidated by reference DNA double strands in which 1d was covalently incorporated at two distinct sites in the sequences, one near the Atto dye, and one farther away. This new type of completely self-assembled supramolecular DNA architecture is hierarchically ordered and the DNA template controls not only the binding but also the energy transport properties. The high intensity of the aggregation-induced emission and the excellent energy transport properties make these DNA-based materials promising candidates for optoelectronic applications. DNA architectures with tetraphenylethylene are assembled in a non-covalent way. The strong aggregation-induced emission of the chromophores is quenched and the energy is transported to Atto dyes by a multistep energy “hopping”.![]()
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Affiliation(s)
- Hülya Ucar
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT) Fritz-Haber-Weg 6 76131 Karlsruhe German
| | - Hans-Achim Wagenknecht
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT) Fritz-Haber-Weg 6 76131 Karlsruhe German
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43
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Rouillon J, Monnereau C, Andraud C. Reevaluating the Solution Photophysics of Tetraphenylethylene at the Origin of their Aggregation-Induced Emission Properties. Chemistry 2021; 27:8003-8007. [PMID: 33769628 DOI: 10.1002/chem.202100926] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Indexed: 12/14/2022]
Abstract
Although tetraphenylethylene (TPE) and its derivatives have been the most commonly used building blocks in the construction of molecules with aggregation-induced emission (AIE) properties, no absolute consensus exists regarding the mechanisms at the origin of the phenomenon. Restriction of intramolecular rotations (RIR) of peripheral phenyls has historically been a dominant paradigm, which has served as a valuable guideline in the molecular engineering of AIEgens. Yet, an increasing number of recent works have established that photoisomerization or photocyclization may actively participate in the nonradiative dissipation of the excitation energy. In this paper, the first experimental evaluation of the quantum efficiencies of these different processes is reported, and photoisomerization is shown to be by far the dominant photophysical pathway in solution, accounting for virtually all nonradiative decay of the molecule's excited state in degassed solution.
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Affiliation(s)
- Jean Rouillon
- UMR 5182, Laboratoire de Chimie, Univ Lyon, ENS Lyon, CNRS, Université Claude Bernard Lyon 1, 69342, Lyon, France
| | - Cyrille Monnereau
- UMR 5182, Laboratoire de Chimie, Univ Lyon, ENS Lyon, CNRS, Université Claude Bernard Lyon 1, 69342, Lyon, France
| | - Chantal Andraud
- UMR 5182, Laboratoire de Chimie, Univ Lyon, ENS Lyon, CNRS, Université Claude Bernard Lyon 1, 69342, Lyon, France
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44
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Potopnyk MA, Volyniuk D, Luboradzki R, Lazauskas A, Grazulevicius JV. Aggregation‐Induced Emission‐Active Carbazolyl‐Modified Benzo[4,5]thiazolo[3,2‐
c
]oxadiazaborinines as Mechanochromic Fluorescent Materials. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100239] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Mykhaylo A. Potopnyk
- Institute of Organic Chemistry Polish Academy of Sciences Kasprzaka 44/52 01-224 Warsaw Poland
- Department of Polymer Chemistry and Technology Kaunas University of Technology Barsausko 59 LT-51423 Kaunas Lithuania
| | - Dmytro Volyniuk
- Department of Polymer Chemistry and Technology Kaunas University of Technology Barsausko 59 LT-51423 Kaunas Lithuania
| | - Roman Luboradzki
- Institute of Physical Chemistry Polish Academy of Sciences Kasprzaka 44/52 01-224 Warsaw Poland
| | - Algirdas Lazauskas
- Institute of Material Science Kaunas University of Technology Barsausko 59 51423 Kaunas Lithuania
| | - Juozas Vidas Grazulevicius
- Department of Polymer Chemistry and Technology Kaunas University of Technology Barsausko 59 LT-51423 Kaunas Lithuania
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45
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Goti G, Calamante M, Coppola C, Dessì A, Franchi D, Mordini A, Sinicropi A, Zani L, Reginato G. Donor‐Acceptor‐Donor Thienopyrazine‐Based Dyes as NIR‐Emitting AIEgens. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100199] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Giulio Goti
- Institute of Chemistry of Organometallic Compounds (ICCOM) National Research Council (CNR) Via Madonna del Piano 10 50019 Sesto Fiorentino Italy
- Department of Chemistry “Ugo Schiff” University of Florence Via della Lastruccia 13 50019 Sesto Fiorentino Italy
| | - Massimo Calamante
- Institute of Chemistry of Organometallic Compounds (ICCOM) National Research Council (CNR) Via Madonna del Piano 10 50019 Sesto Fiorentino Italy
- Department of Chemistry “Ugo Schiff” University of Florence Via della Lastruccia 13 50019 Sesto Fiorentino Italy
| | - Carmen Coppola
- Department of Biotechnology, Chemistry and Pharmacy University of Siena Via A. Moro 2 53100 Siena Italy
- Consorzio per lo Sviluppo dei Sistemi a Grande Interfase (CSGI) Via della Lastruccia 3 Sesto Fiorentino 50019 Italy
| | - Alessio Dessì
- Institute of Chemistry of Organometallic Compounds (ICCOM) National Research Council (CNR) Via Madonna del Piano 10 50019 Sesto Fiorentino Italy
| | - Daniele Franchi
- Institute of Chemistry of Organometallic Compounds (ICCOM) National Research Council (CNR) Via Madonna del Piano 10 50019 Sesto Fiorentino Italy
| | - Alessandro Mordini
- Institute of Chemistry of Organometallic Compounds (ICCOM) National Research Council (CNR) Via Madonna del Piano 10 50019 Sesto Fiorentino Italy
- Department of Chemistry “Ugo Schiff” University of Florence Via della Lastruccia 13 50019 Sesto Fiorentino Italy
| | - Adalgisa Sinicropi
- Institute of Chemistry of Organometallic Compounds (ICCOM) National Research Council (CNR) Via Madonna del Piano 10 50019 Sesto Fiorentino Italy
- Department of Biotechnology, Chemistry and Pharmacy University of Siena Via A. Moro 2 53100 Siena Italy
- Consorzio per lo Sviluppo dei Sistemi a Grande Interfase (CSGI) Via della Lastruccia 3 Sesto Fiorentino 50019 Italy
| | - Lorenzo Zani
- Institute of Chemistry of Organometallic Compounds (ICCOM) National Research Council (CNR) Via Madonna del Piano 10 50019 Sesto Fiorentino Italy
| | - Gianna Reginato
- Institute of Chemistry of Organometallic Compounds (ICCOM) National Research Council (CNR) Via Madonna del Piano 10 50019 Sesto Fiorentino Italy
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46
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Liu H, Zhang S, Ding L, Fang Y. Dual-state efficient chromophore with pH-responsive and solvatofluorochromic properties based on an asymmetric single benzene framework. Chem Commun (Camb) 2021; 57:4011-4014. [PMID: 33885680 DOI: 10.1039/d1cc00718a] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
We present a unique single-benzene-based chromophore with asymmetric structure that emits efficient luminescence in both solid and solution states and shows solvatofluorochromism, large Stokes shift (154-219 nm) and an extraordinary wide range of solvent compatibility. The asymmetric structural feature endows this chromophore with significant ratiometric pH-dependent fluorescence for accurate and fast pH sensing over a pH range from 4.0 to 8.2, which could be applied for visual identification of different brands of drinking water. It may find broad applications in environmental sensing and pH-associated physiological processes.
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Affiliation(s)
- Huijing Liu
- School of Textile Science and Engineering, Xi'an Polytechnic University, Xi'an 710048, P. R. China and Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China.
| | - Sisi Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China.
| | - Liping Ding
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China.
| | - Yu Fang
- Key Laboratory of Applied Surface and Colloid Chemistry of Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710062, P. R. China.
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47
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Jejurkar VP, Sourabh KT, Yashwantrao G, Mone NS, Maliekal PJ, Badani P, Satpute S, Saha S. Troger's Base Derived Butterfly Shaped Contorted AIEgens for Dead Bacterial Cell‐Imaging. ChemistrySelect 2021. [DOI: 10.1002/slct.202004481] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Valmik P. Jejurkar
- Department of Speciality Chemicals Technology Institute of Chemical Technology (ICT) Mumbai 400019 India
| | - K. T. Sourabh
- Department of Chemical Engineering Institute of Chemical Technology (ICT) Mumbai 400019 India
| | - Gauravi Yashwantrao
- Department of Speciality Chemicals Technology Institute of Chemical Technology (ICT) Mumbai 400019 India
| | - Nishigandha S. Mone
- Department of Microbiology Savitribai Phule Pune University Pune, (SPPU) India
| | | | - Purav Badani
- Department of Chemistry University of Mumbai Mumbai India
| | - Surekha Satpute
- Department of Microbiology Savitribai Phule Pune University Pune, (SPPU) India
| | - Satyajit Saha
- Department of Speciality Chemicals Technology Institute of Chemical Technology (ICT) Mumbai 400019 India
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48
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Rodrigues ACB, Seixas de Melo JS. Aggregation-Induced Emission: From Small Molecules to Polymers-Historical Background, Mechanisms and Photophysics. Top Curr Chem (Cham) 2021; 379:15. [PMID: 33725207 DOI: 10.1007/s41061-021-00327-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Accepted: 02/12/2021] [Indexed: 12/26/2022]
Abstract
The enhancement of photoluminescence through formation of molecular aggregates in organic oligomers and conjugated organic polymers is reviewed. A historical contextualization of aggregation-induced emission (AIE) phenomena is presented. This includes the loose bolt or free rotor effect and J-aggregation phenomena, and discusses their characteristic features, including structures and mechanisms. The basis of both effects is examined in key molecules, with a particular emphasis on the AIE effect occurring in conjugated organic polymers with a polythiophene (PT) skeleton with triphenylethylene (TPE) units. Rigidification of the excited state structure is one of the defining conditions required to obtain AIE, and thus, by changing from a flexible ground state to rigid (quinoidal-like) structures, oligo and PTs are among the most promising emerging molecules alongside with the more extensively used TPE derivatives. Molecular structures moving away from the domination of aggregation-caused quenching to AIE are presented. Future perspectives for the rational design of AIEgen structures are discussed.
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Affiliation(s)
- Ana Clara B Rodrigues
- Department of Chemistry, Coimbra Chemistry Centre, University of Coimbra, 3004-535, Coimbra, Portugal
| | - J Sérgio Seixas de Melo
- Department of Chemistry, Coimbra Chemistry Centre, University of Coimbra, 3004-535, Coimbra, Portugal.
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49
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De-La-Cuesta J, Verde-Sesto E, Arbe A, Pomposo JA. Self-Reporting of Folding and Aggregation by Orthogonal Hantzsch Luminophores Within a Single Polymer Chain. Angew Chem Int Ed Engl 2021; 60:3534-3539. [PMID: 33264463 DOI: 10.1002/anie.202013932] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Indexed: 11/06/2022]
Abstract
Self-reporting fluorescence methods for monitoring folding and aggregation of proteins have a long history in biochemistry. Placing orthogonal luminophores within individual synthetic polymer chains for self-reporting both folding (i.e., its intramolecular compaction to isolated single-chain nanoparticles, SCNPs) and unbidden aggregation (i.e., the intermolecular association of SCNPs) remains a great challenge. Herein, a simple and efficient platform to identify both single-chain compaction and intermolecular aggregation phenomena via photoluminescence is presented based on simultaneous synthesis through Hantzsch ester formation of orthogonal luminophores within the same polymer chain. Starting from non-luminescent β-ketoester-decorated chains, intramolecular compaction is visually detected through fluorescence arising from Hantzsch fluorophores generated as intra-chain connectors during folding. Complementary, intermolecular association is identified via aggregation-induced emission (AIE) from orthogonal luminophores displaying intense photoluminescence at redshifted wavelengths after formation of multi-SCNPs assemblies.
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Affiliation(s)
- Julen De-La-Cuesta
- Centro de Física de Materiales (CSIC-UPV/EHU)-Materials Physics Center MPC, P° Manuel de Lardizabal 5, 20018, Donostia, Spain
| | - Ester Verde-Sesto
- Centro de Física de Materiales (CSIC-UPV/EHU)-Materials Physics Center MPC, P° Manuel de Lardizabal 5, 20018, Donostia, Spain
| | - Arantxa Arbe
- Centro de Física de Materiales (CSIC-UPV/EHU)-Materials Physics Center MPC, P° Manuel de Lardizabal 5, 20018, Donostia, Spain
| | - José A Pomposo
- Centro de Física de Materiales (CSIC-UPV/EHU)-Materials Physics Center MPC, P° Manuel de Lardizabal 5, 20018, Donostia, Spain.,Departamento de Polímeros y Materiales Avanzados: Física, Química y Tecnología, University of the Basque Country (UPV/EHU), PO Box 1072, 20800, Donostia, Spain.,IKERBASQUE-Basque Foundation for Science, Plaza Euskadi 5, 48009, Bilbao, Spain
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50
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Yan D, Wu Q, Wang D, Tang BZ. Innovative Verfahren zur Synthese von Luminogenen mit aggregationsinduzierter Emission. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202006191] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Dingyuan Yan
- Center for AIE Research College of Materials Science and Engineering Shenzhen University Shenzhen 518060 China
- College of Physics and Optoelectronic Engineering Shenzhen University Shenzhen 518060 China
- Department of Chemistry Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction Institute of Molecular Functional Materials The Hong Kong University of Science and Technology, Clear Water Bay Kowloon, Hong Kong 999077 China
| | - Qian Wu
- Center for AIE Research College of Materials Science and Engineering Shenzhen University Shenzhen 518060 China
- College of Physics and Optoelectronic Engineering Shenzhen University Shenzhen 518060 China
- Department of Chemistry Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction Institute of Molecular Functional Materials The Hong Kong University of Science and Technology, Clear Water Bay Kowloon, Hong Kong 999077 China
| | - Dong Wang
- Center for AIE Research College of Materials Science and Engineering Shenzhen University Shenzhen 518060 China
| | - Ben Zhong Tang
- Department of Chemistry Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration and Reconstruction Institute of Molecular Functional Materials The Hong Kong University of Science and Technology, Clear Water Bay Kowloon, Hong Kong 999077 China
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