1
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Gao F, Chen J, Zhou Y, Cheng L, Hu M, Wang X. Recent progress of small-molecule-based theranostic agents in Alzheimer's disease. RSC Med Chem 2023; 14:2231-2245. [PMID: 37974955 PMCID: PMC10650505 DOI: 10.1039/d3md00330b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 09/11/2023] [Indexed: 11/19/2023] Open
Abstract
Alzheimer's disease (AD) is the most common form of neurodegenerative dementia. As a multifactorial disease, AD involves several etiopathogenic mechanisms, in which multiple pathological factors are interconnected with each other. This complicated and unclear pathogenesis makes AD lack effective diagnosis and treatment. Theranostics, exerting the synergistic effect of diagnostic and therapeutic functions, would provide a promising strategy for exploring AD pathogenesis and developing drugs for combating AD. With the efforts in small drug-like molecules for both diagnosis and treatment of AD, small-molecule-based theranostic agents have attracted significant attention owing to their facile synthesis, high biocompatibility and reproducibility, and easy clearance from the body through the excretion systems. In this review, the small-molecule-based theranostic agents reported in the literature for anti-AD are classified into four groups according to their diagnostic modalities. Their design rationales, chemical structures, and working mechanisms for theranostics are summarized. Finally, the opportunities for small-molecule-based theranostic agents in AD are also proposed.
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Affiliation(s)
- Furong Gao
- Institute of Chemical Biology and Functional Molecules, State Key Laboratory of Materials-Oriented Chemical Engineering, School of Chemistry and Molecular Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Jiefang Chen
- Institute of Chemical Biology and Functional Molecules, State Key Laboratory of Materials-Oriented Chemical Engineering, School of Chemistry and Molecular Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Yuancun Zhou
- Institute of Chemical Biology and Functional Molecules, State Key Laboratory of Materials-Oriented Chemical Engineering, School of Chemistry and Molecular Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Letong Cheng
- Institute of Chemical Biology and Functional Molecules, State Key Laboratory of Materials-Oriented Chemical Engineering, School of Chemistry and Molecular Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Ming Hu
- Institute of Chemical Biology and Functional Molecules, State Key Laboratory of Materials-Oriented Chemical Engineering, School of Chemistry and Molecular Engineering, Nanjing Tech University Nanjing 211816 P. R. China
| | - Xiaohui Wang
- Institute of Chemical Biology and Functional Molecules, State Key Laboratory of Materials-Oriented Chemical Engineering, School of Chemistry and Molecular Engineering, Nanjing Tech University Nanjing 211816 P. R. China
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2
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Tomás Piqueras M, Howe HJ, Englehart SA, Williamson RM, Paul AM, Blight BA. High-yielding synthesis of cyclometallated iridium complexes with hydrogen bond-rich ligands. Chem Commun (Camb) 2023; 59:12727-12730. [PMID: 37800404 DOI: 10.1039/d3cc02296j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/07/2023]
Abstract
A library of cyclometallated iridium(III) complexes with a strong H-bonding motif in their ancillary ligand was synthesized, characterized and their photophysical properties measured. Demonstrated herein is a general synthetic high yield procedure for these compounds. We ascribe these yields to the use of an intermediary primer ligand. This de novo strategy circumnavigates the standard synthetic issues of H-bond rich ligand precursors (self-aggregation and poor solubility in organic solvents).
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Affiliation(s)
| | - Holly J Howe
- Department of Chemistry, University of New Brunswick, Fredericton, NB, Canada.
| | - Sarah A Englehart
- Department of Chemistry, University of New Brunswick, Fredericton, NB, Canada.
| | - Robert M Williamson
- Department of Chemistry, University of New Brunswick, Fredericton, NB, Canada.
| | - Allyson M Paul
- Department of Chemistry, University of New Brunswick, Fredericton, NB, Canada.
| | - Barry A Blight
- Department of Chemistry, University of New Brunswick, Fredericton, NB, Canada.
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3
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Lu D, Lu K, Wen HT, Wei Z, Bianco A, Wang GG, Zhang HY. Synthesis of Visible Light Excitable Carbon Dot Phosphor-Al 2 O 3 Hybrids for Anti-Counterfeiting and Information Encryption. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2207046. [PMID: 36960674 DOI: 10.1002/smll.202207046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 02/21/2023] [Indexed: 06/18/2023]
Abstract
The preparation of room temperature phosphorescent carbon dots still faces great challenges, especially in the case of carbon dots endowed of visible-light excitable room temperature phosphorescence (RTP). To date, a limited number of substrates have been exploited to synthesize room temperature phosphorescent carbon dots, and most of them can emit RTP only in solid state. Here, the synthesis of a composite obtained from the calcination of green carbon dots (g-CDs) blended with aluminum hydroxide (Al(OH)3 ) is reported. The resultant hybrid material g-CDs@Al2 O3 exhibits blue fluorescence and green RTP emissions in an on/off switch process at 365 nm. Notably, this composite manifests strong resistance to extreme acid and basic conditions up to 30 days of treatment. The dense structure of Al2 O3 formed by calcination contributes to the phosphorescent emission of g-CDs. Surprisingly, g-CDs@Al2 O3 can also emit yellow RTP under irradiation with white light. The multicolor emissions can be employed for anti-counterfeiting and information encryption. This work provides a straightforward approach to produce room temperature phosphorescent carbon dots for a wide range of applications.
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Affiliation(s)
- Dong Lu
- Shenzhen Key Laboratory for Advanced Materials, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, P. R. China
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR 3572, University of Strasbourg, ISIS, Strasbourg, 67000, France
| | - Ke Lu
- School of Advanced Materials, Shenzhen Graduate School, Peking University, Shenzhen, 518055, P. R. China
| | - Hong-Tao Wen
- Shenzhen Key Laboratory for Advanced Materials, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, P. R. China
| | - Zhan Wei
- Shenzhen Key Laboratory for Advanced Materials, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, P. R. China
| | - Alberto Bianco
- CNRS, Immunology, Immunopathology and Therapeutic Chemistry, UPR 3572, University of Strasbourg, ISIS, Strasbourg, 67000, France
| | - Gui-Gen Wang
- Shenzhen Key Laboratory for Advanced Materials, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, P. R. China
| | - Hua-Yu Zhang
- Shenzhen Key Laboratory for Advanced Materials, School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, P. R. China
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4
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Glykos D, Plakatouras JC, Malandrinos G. Bis(2-phenylpyridinato,-C2′,N)[4,4′-bis(4-Fluorophenyl)-6,6′-dimethyl-2,2′-bipyridine] Iridium(III) Hexafluorophosphate. MOLBANK 2023. [DOI: 10.3390/m1610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/28/2023] Open
Abstract
A new bis cyclometallated Ir(III) phosphor, [Ir(ppy)2L]PF6 (ppy = 2-phenylpyridine, L = 4,4′-bis(4-fluorophenyl)-6,6′-dimethyl-2,2′-bipyridine was prepared and structurally characterized in the solid state (X-ray diffraction) and solution (1 and 2D NMR spectroscopy). The compound exhibited yellow photoluminescence (λem = 562 nm). The quantum yield Φ was solvent-dependent (5% in acetonitrile and 19% in dichloromethane solutions, respectively).
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5
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Liu J, Wang X, Wang J, Leung CH, Wang W. Imaging mitochondrial palladium species in living cells with a NIR iridium(III) complex. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 288:122188. [PMID: 36462322 DOI: 10.1016/j.saa.2022.122188] [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: 11/02/2022] [Revised: 11/23/2022] [Accepted: 11/25/2022] [Indexed: 06/17/2023]
Abstract
The wide use of palladium (Pd) raises the concern about environmental pollution and human diseases, evoking the need for the development of detection methods for Pd species. However, the development of near-infrared (NIR) luminescence probes for subcellular Pd species remains challenging. In this work, we presented a NIR iridium(III) complex-based luminescence probe for the detection of Pd0 species through incorporating an allyl group and amino group into the N^N ligand. We found that the probe was capable of detecting Pd0 species with a limit of detection (LOD) of 0.5 μM. Importantly, cell imaging experiments showed that the probe is applicable for visualizing mitochondrial Pd0 ions in living cells, which are also suitable for Pd(II) species. To the best of our knowledge, this is the first NIR luminescence imaging probe for the detection of mitochondria Pd species in living cells, paving the way for studying subcellular distributions and related toxicity analysis of exogenous Pd species in living cells.
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Affiliation(s)
- Jingqi Liu
- Xi'an Key Laboratory of Stem Cell and Regenerative Medicine, Institute of Medical Research, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, Shaanxi 710072, China; Collaborative Innovation Center of NPU, Shanghai 201100, China
| | - Xueliang Wang
- Xi'an Key Laboratory of Stem Cell and Regenerative Medicine, Institute of Medical Research, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, Shaanxi 710072, China; Collaborative Innovation Center of NPU, Shanghai 201100, China
| | - Jing Wang
- Xi'an Key Laboratory of Stem Cell and Regenerative Medicine, Institute of Medical Research, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, Shaanxi 710072, China; Collaborative Innovation Center of NPU, Shanghai 201100, China.
| | - Chung-Hang Leung
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao SAR, China; Department of Biomedical Sciences, Faculty of Health Sciences, University of Macau, Macao SAR, China.
| | - Wanhe Wang
- Xi'an Key Laboratory of Stem Cell and Regenerative Medicine, Institute of Medical Research, Northwestern Polytechnical University, 127 West Youyi Road, Xi'an, Shaanxi 710072, China; Collaborative Innovation Center of NPU, Shanghai 201100, China.
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6
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Schwehr BJ, Hartnell D, Massi M, Hackett MJ. Luminescent Metal Complexes as Emerging Tools for Lipid Imaging. Top Curr Chem (Cham) 2022; 380:46. [PMID: 35976575 PMCID: PMC9385838 DOI: 10.1007/s41061-022-00400-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 06/20/2022] [Indexed: 12/01/2022]
Abstract
Fluorescence microscopy is a key tool in the biological sciences, which finds use as a routine laboratory technique (e.g., epifluorescence microscope) or more advanced confocal, two-photon, and super-resolution applications. Through continued developments in microscopy, and other analytical methods, the importance of lipids as constituents of subcellular organelles, signalling or regulating molecules continues to emerge. The increasing recognition of the importance of lipids to fundamental cell biology (in health and disease) has prompted the development of protocols and techniques to image the distribution of lipids in cells and tissues. A diverse suite of spectroscopic and microscopy tools are continuously being developed and explored to add to the "toolbox" to study lipid biology. A relatively recent breakthrough in this field has been the development and subsequent application of metal-based luminescent complexes for imaging lipids in biological systems. These metal-based compounds appear to offer advantages with respect to their tunability of the photophysical properties, in addition to capabilities centred around selectively targeting specific lipid structures or classes of lipids. The presence of the metal centre also opens the path to alternative imaging modalities that might not be applicable to traditional organic fluorophores. This review examines the current progress and developments in metal-based luminescent complexes to study lipids, in addition to exploring potential new avenues and challenges for the field to take.
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Affiliation(s)
- Bradley J Schwehr
- School of Molecular and Life Sciences, Curtin University, Perth, WA, 6845, Australia
| | - David Hartnell
- School of Molecular and Life Sciences, Curtin University, Perth, WA, 6845, Australia.,Curtin Health Innovation Research Institute, Curtin University, Perth, WA, 6845, Australia
| | - Massimiliano Massi
- School of Molecular and Life Sciences, Curtin University, Perth, WA, 6845, Australia.
| | - Mark J Hackett
- School of Molecular and Life Sciences, Curtin University, Perth, WA, 6845, Australia. .,Curtin Health Innovation Research Institute, Curtin University, Perth, WA, 6845, Australia.
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7
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Tom L, Diluzio S, Hua C, Connell TU. Understanding the role of cyclometalating ligand regiochemistry on the photophysics of charged heteroleptic iridium(III) complexes. J COORD CHEM 2022. [DOI: 10.1080/00958972.2022.2099272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Liam Tom
- School of Life and Environmental Sciences, Deakin University, Geelong, VIC, Australia
| | - Stephen Diluzio
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Carol Hua
- School of Life and Environmental Sciences, Deakin University, Geelong, VIC, Australia
| | - Timothy U. Connell
- School of Life and Environmental Sciences, Deakin University, Geelong, VIC, Australia
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8
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Wu M, Zhang Z, Yong J, Schenk PM, Tian D, Xu ZP, Zhang R. Determination and Imaging of Small Biomolecules and Ions Using Ruthenium(II) Complex-Based Chemosensors. Top Curr Chem (Cham) 2022; 380:29. [PMID: 35695976 PMCID: PMC9192387 DOI: 10.1007/s41061-022-00392-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 05/27/2022] [Indexed: 01/13/2023]
Abstract
Luminescence chemosensors are one of the most useful tools for the determination and imaging of small biomolecules and ions in situ in real time. Based on the unique photo-physical/-chemical properties of ruthenium(II) (Ru(II)) complexes, the development of Ru(II) complex-based chemosensors has attracted increasing attention in recent years, and thus many Ru(II) complexes have been designed and synthesized for the detection of ions and small biomolecules in biological and environmental samples. In this work, we summarize the research advances in the development of Ru(II) complex-based chemosensors for the determination of ions and small biomolecules, including anions, metal ions, reactive biomolecules and amino acids, with a particular focus on binding/reaction-based chemosensors for the investigation of intracellular analytes’ evolution through luminescence analysis and imaging. The advances, challenges and future research directions in the development of Ru(II) complex-based chemosensors are also discussed.
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Affiliation(s)
- Miaomiao Wu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Zexi Zhang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Jiaxi Yong
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Peer M Schenk
- School of Agriculture and Food Sciences, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Dihua Tian
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Zhi Ping Xu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, 4072, Australia
| | - Run Zhang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, QLD, 4072, Australia.
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9
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Li X, Wang G, Li J, Sun Y, Deng X, Zhang K. Intense Organic Afterglow Enabled by Molecular Engineering in Dopant-Matrix Systems. ACS APPLIED MATERIALS & INTERFACES 2022; 14:1587-1600. [PMID: 34963292 DOI: 10.1021/acsami.1c20331] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
We report intense dopant-matrix afterglow systems with an afterglow efficiency (ΦAG) of 47% and an afterglow lifetime (τAG) of 1.3 s. Luminescent difluoroboron β-diketonate (BF2bdk) dopants and their deuterated counterparts are designed with naphthalene and carboxylic acid groups. After doping into benzoic acid (BA) matrices, room-temperature afterglow brightness and afterglow duration of the BF2bdk-BA materials have unexpectedly been found to reach the levels of those at 77 K, which indicates that hydrogen bonding between BF2bdk and BA, as well as the deuteration technique, can reduce knr + kq of BF2bdk triplets to very small values even at room temperature. Detailed studies reveal that the BF2bdk possesses typical 1ICT characters in the S1 state and distinct 3LE composition in the T1 state, and thus shows a high ΦISC and a small kP to obtain a high ΦAG and a long τAG. Besides, triplet-triplet annihilation has been found in the dopant-matrix system at high doping concentrations to further increase ΦAG.
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Affiliation(s)
- Xun Li
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People's Republic of China
| | - Guangming Wang
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People's Republic of China
| | - Jiuyang Li
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People's Republic of China
| | - Yan Sun
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People's Republic of China
| | - Xinjian Deng
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People's Republic of China
| | - Kaka Zhang
- Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People's Republic of China
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10
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Chelushkin PS, Shakirova JR, Kritchenkov IS, Baigildin VA, Tunik SP. Phosphorescent NIR emitters for biomedicine: applications, advances and challenges. Dalton Trans 2021; 51:1257-1280. [PMID: 34878463 DOI: 10.1039/d1dt03077a] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Application of NIR (near-infrared) emitting transition metal complexes in biomedicine is a rapidly developing area of research. Emission of this class of compounds in the "optical transparency windows" of biological tissues and the intrinsic sensitivity of their phosphorescence to oxygen resulted in the preparation of several commercial oxygen sensors capable of deep (up to whole-body) and quantitative mapping of oxygen gradients suitable for in vivo experimental studies. In addition to this achievement, the last decade has also witnessed the increased growth of successful alternative applications of NIR phosphors that include (i) site-specific in vitro and in vivo visualization of sophisticated biological models ranging from 3D cell cultures to intact animals; (ii) sensing of various biologically relevant analytes, such as pH, reactive oxygen and nitrogen species, RedOx agents, etc.; (iii) and several therapeutic applications such as photodynamic (PDT), photothermal (PTT), and photoactivated cancer (PACT) therapies as well as their combinations with other therapeutic and imaging modalities to yield new variants of combined therapies and theranostics. Nevertheless, emerging applications of these compounds in experimental biomedicine and their implementation as therapeutic agents practically applicable in PDT, PTT, and PACT face challenges related to a critically important improvement of their photophysical and physico-chemical characteristics. This review outlines the current state of the art and achievements of the last decade and stresses the most promising trends, major development prospects, and challenges in the design of NIR phosphors suitable for biomedical applications.
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Affiliation(s)
- Pavel S Chelushkin
- Institute of Chemistry, St. Petersburg State University, Universitetskii pr., 26, 198504, St. Petersburg, Russia.
| | - Julia R Shakirova
- Institute of Chemistry, St. Petersburg State University, Universitetskii pr., 26, 198504, St. Petersburg, Russia.
| | - Ilya S Kritchenkov
- Institute of Chemistry, St. Petersburg State University, Universitetskii pr., 26, 198504, St. Petersburg, Russia.
| | - Vadim A Baigildin
- Institute of Chemistry, St. Petersburg State University, Universitetskii pr., 26, 198504, St. Petersburg, Russia.
| | - Sergey P Tunik
- Institute of Chemistry, St. Petersburg State University, Universitetskii pr., 26, 198504, St. Petersburg, Russia.
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11
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Leung PKK, Lee LCC, Ip TKY, Liu HW, Yiu SM, Lee NP, Lo KKW. Luminescent rhenium(I) perfluorobiphenyl complexes as site-specific labels for peptides to afford photofunctional bioconjugates. Chem Commun (Camb) 2021; 57:11256-11259. [PMID: 34633395 DOI: 10.1039/d1cc04740j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
We report herein new luminescent rhenium(I) perfluorobiphenyl complexes that reacted specifically with the cysteine residue of the π-clamp sequence (FCPF) to afford novel peptide-based imaging reagents, photosensitisers for singlet oxygen and enzyme sensors.
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Affiliation(s)
- Peter Kam-Keung Leung
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Hong Kong, P. R. China.
| | - Lawrence Cho-Cheung Lee
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Hong Kong, P. R. China.
| | - Tiffany Ka-Yan Ip
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Hong Kong, P. R. China.
| | - Hua-Wei Liu
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Hong Kong, P. R. China.
| | - Shek-Man Yiu
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Hong Kong, P. R. China.
| | - Nikki P Lee
- Department of Surgery, The University of Hong Kong, Hong Kong, P. R. China
| | - Kenneth Kam-Wing Lo
- Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Hong Kong, P. R. China. .,State Key Laboratory of Terahertz and Millimetre Waves, City University of Hong Kong, Tat Chee Avenue, Hong Kong, P. R. China.,Centre of Functional Photonics, City University of Hong Kong, Tat Chee Avenue, Hong Kong, P. R. China
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12
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Schnierle M, Leimkühler M, Ringenberg MR. [(η 6- p-Cymene)[3-(pyrid-2-yl)-1,2,4,5-tetrazine]chlororuthenium(II)] +, Redox Noninnocence and Dienophile Addition to Coordinated Tetrazine. Inorg Chem 2021; 60:6367-6374. [PMID: 33856810 DOI: 10.1021/acs.inorgchem.1c00094] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The bidentate ligand 3-(pyrid-2-yl)-1,2,4,5-tetrazine (TzPy) coordinated in the complex [CyRuCl(TzPy)]PF6 ([1]+; Cy = η6-p-cymene) shows noninnocent behavior and can be modified through the addition of dienophiles, vinylferrocene (ViFc) or ethynylferrocene (EthFc). The kinetics and transition-state thermodynamic analysis of the reaction of [1]+ + ViFc found ΔG⧧(298 K) = 67 kJ mol-1, while that of [1]+ + EthFc was ΔG⧧(298 K) = 83 kJ mol-1. The room temperature second-order rate of [1]+ + EthFc, k2 = 1.51(4) × 10-2 M-1 s-1, was 3 orders of magnitude faster than that of EthFc + TzPy, k2 = 1.05(15) × 10-4 M-1 s-1. The [1H2Fc]+ complex was converted to [1Fc]+ by oxidation with oxygen and 3,5-di-tert-butyl-o-quinone, and the molecular structure of [1Fc]+ was determined by single-crystal X-ray diffraction. The title complex [1]+ showed a quasi-reversible reduction in the cyclic voltammogram, and the electrochemical reduction mechanism was determined by UV-vis spectroelectrochemistry (SEC) experiments, as well as supported by density functional theory (DFT) calculations. The dihydropyridazine [1H2Fc]+ and pyridazine [1Fc]+ states of the ligand showed ligand noninnocence similar to that of the parent tetrazine but at a cathodically shifted potential. The dihydropyridazine [1H2Fc]+ showed a mixture of several products; however, upon oxidation, only a single product, [1Fc]+, was formed from the endo addition of the dienophile to [1]+. The electrochemical mechanism of [1Fc]+ was also studied by cyclic voltammetry and UV-vis SEC experiments, as well as supported by DFT calculations.
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Affiliation(s)
- Marc Schnierle
- Institut für Anorganische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany
| | - Marie Leimkühler
- Institut für Anorganische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany
| | - Mark R Ringenberg
- Institut für Anorganische Chemie, Universität Stuttgart, Pfaffenwaldring 55, 70569 Stuttgart, Germany
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13
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DiLuzio S, Mdluli V, Connell TU, Lewis J, VanBenschoten V, Bernhard S. High-Throughput Screening and Automated Data-Driven Analysis of the Triplet Photophysical Properties of Structurally Diverse, Heteroleptic Iridium(III) Complexes. J Am Chem Soc 2021; 143:1179-1194. [DOI: 10.1021/jacs.0c12290] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Stephen DiLuzio
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Velabo Mdluli
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Timothy U. Connell
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Jacqueline Lewis
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Victoria VanBenschoten
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Stefan Bernhard
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
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14
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Shakirova JR, Nayeri S, Jamali S, Porsev VV, Gurzhiy VV, Levin OV, Koshevoy IO, Tunik SP. Targeted Synthesis of NIR Luminescent Rhenium Diimine cis,trans-[Re( N N )(CO) 2 (L) 2 ] n+ Complexes Containing N-Donor Axial Ligands: Photophysical, Electrochemical, and Theoretical Studies. Chempluschem 2020; 85:2518-2527. [PMID: 33226192 DOI: 10.1002/cplu.202000597] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 11/05/2020] [Indexed: 11/09/2022]
Abstract
The combined action of ultraviolet irradiation and microwave heating onto acetonitrile solution of [Re( N N )(CO)3 (NCMe)]OTf ( N N =phenantroline and neocuproine) afforded cis,trans-Re( N N )(CO)2 (NCMe)2 ]+ acetonitrile derivatives. Substitution of relatively labile NCMe with a series of aromatic N-donor ligands (pyridine, pyrazine, 4,4'-bipyridine, N-methyl-4,4'-bipyridine) gave a novel family of the diimine cis,trans-[Re( N N )(CO)2 (L)2 ]+ complexes. Photophysical studies of the obtained compounds in solution revealed unusually high absorption across the visible region and NIR phosphorescence with emission band maxima ranging from 711 to 805 nm. The nature of emissive excited states was studied using DFT calculations to show dominant contribution of 3 MLCT (dπ(Re)→π*( N N )) character. Electrochemical (CV and DPV) studies of the monocationic diimine complexes revealed one reduction and one oxidation wave assigned to reduction of the diimine moiety and oxidation of the rhenium center, respectively.
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Affiliation(s)
- J R Shakirova
- Department of Chemistry, St. Petersburg State University, Universitetskii pr. 26, 198504, St. Petersburg, Russia
| | - S Nayeri
- Department of Chemistry, Sharif University of Technology, P.O. Box, 11155-3516, Tehran, Iran
| | - S Jamali
- Department of Chemistry, Sharif University of Technology, P.O. Box, 11155-3516, Tehran, Iran
| | - Vitaly V Porsev
- Department of Chemistry, St. Petersburg State University, Universitetskii pr. 26, 198504, St. Petersburg, Russia
| | - Vladislav V Gurzhiy
- Department of Chemistry, St. Petersburg State University, Universitetskii pr. 26, 198504, St. Petersburg, Russia
| | - Oleg V Levin
- Department of Chemistry, St. Petersburg State University, Universitetskii pr. 26, 198504, St. Petersburg, Russia
| | - I O Koshevoy
- Department of Chemistry, University of Eastern Finland, 80101, Joensuu, Finland
| | - S P Tunik
- Department of Chemistry, St. Petersburg State University, Universitetskii pr. 26, 198504, St. Petersburg, Russia
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15
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Cui M, Wang AL, Liu Y, Xiao H, Li F, Zhou L, Fang S, Li XL. A pair of 2D chiral Ag(i) enantiomers with dual chiral elements: syntheses, structures, and photoluminescent and chiroptical properties. RSC Adv 2020; 10:39359-39365. [PMID: 35515417 PMCID: PMC9057406 DOI: 10.1039/d0ra07237k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Accepted: 10/21/2020] [Indexed: 11/21/2022] Open
Abstract
In this work, two new enantiopure bis-monodentate N-donor chiral ligands, namely (-)/(+)-2-(4'-pyridyl)-4,5-pinene-pyridine (L R /L S ), have been designed and synthesized. Using L R and L S as bridging ligands to react with AgClO4, a pair of novel 2D chiral Ag(i) enantiomers formulated as [Ag2(L R )2(ClO4)2] n (R-1) and [Ag2(L S )2(ClO4)2] n (S-1) were isolated and characterized. In R-1 and S-1, each Ag(i) ion is bonded by two N atoms from two different chiral L R or L S ligands, leading to the formation of 1D right- or left-handed -L-Ag(i)-L- helical chains. Moreover, two adjacent helical chains are further doubly linked by two monodentate ClO4 - anions through weak Ag-O contacts to form 2D network structures, in which dual chiral elements, i.e., center chirality and helical chirality coexist. Interestingly, each free ligand L R /L S and R-1/S-1 enantiomers show very different ECD spectra in the solid state and in solution, which are correlated to the intermolecular interactions and molecular structures in each state, respectively. Notably, as a representative, R-1 exhibits intense room temperature photoluminescence both in the solid state and in solution with different emission features and mechanisms, while it also shows more intense emission than that of free ligand L R . In particular, R-1 and S-1 represent the first examples of 2D Ag(i) chiral coordination polymers (CCPs) supported by ClO4 - anions, possessing dual chiral elements.
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Affiliation(s)
- Minghui Cui
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry Zhengzhou 450002 P. R. China
| | - Ai-Ling Wang
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry Zhengzhou 450002 P. R. China
| | - Yingfan Liu
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry Zhengzhou 450002 P. R. China
| | - Hongping Xiao
- College of Chemistry & Material Engineering, Wenzhou University Wenzhou 325035 P. R. China
| | - Fengcai Li
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry Zhengzhou 450002 P. R. China
| | - Liming Zhou
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry Zhengzhou 450002 P. R. China
| | - Shaoming Fang
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry Zhengzhou 450002 P. R. China
| | - Xi-Li Li
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry Zhengzhou 450002 P. R. China
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16
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Solomatina AI, Slobodina AD, Ryabova EV, Bolshakova OI, Chelushkin PS, Sarantseva SV, Tunik SP. Blood-Brain Barrier Penetrating Luminescent Conjugates Based on Cyclometalated Platinum(II) Complexes. Bioconjug Chem 2020; 31:2628-2637. [DOI: 10.1021/acs.bioconjchem.0c00542] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
| | - Aleksandra D. Slobodina
- Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Centre ≪Kurchatov Institute≫, Gatchina 188300, Russia
| | - Elena V. Ryabova
- Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Centre ≪Kurchatov Institute≫, Gatchina 188300, Russia
| | - Olga I. Bolshakova
- Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Centre ≪Kurchatov Institute≫, Gatchina 188300, Russia
| | - Pavel S. Chelushkin
- Institute of Chemistry, St. Petersburg State University, St. Petersburg 198504, Russia
| | - Svetlana V. Sarantseva
- Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Centre ≪Kurchatov Institute≫, Gatchina 188300, Russia
| | - Sergey P. Tunik
- Institute of Chemistry, St. Petersburg State University, St. Petersburg 198504, Russia
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17
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Chapaikina SA, Solomatina AI, Tunik SP. Reaction of Cyclometalated Phosphine Chloride Iridium(III) Complexes with Imidazole. RUSS J GEN CHEM+ 2020. [DOI: 10.1134/s1070363220060110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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18
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Mdluli V, Diluzio S, Lewis J, Kowalewski JF, Connell TU, Yaron D, Kowalewski T, Bernhard S. High-throughput Synthesis and Screening of Iridium(III) Photocatalysts for the Fast and Chemoselective Dehalogenation of Aryl Bromides. ACS Catal 2020. [DOI: 10.1021/acscatal.0c02247] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Velabo Mdluli
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Stephen Diluzio
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Jacqueline Lewis
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Jakub F. Kowalewski
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Timothy U. Connell
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - David Yaron
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Tomasz Kowalewski
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| | - Stefan Bernhard
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
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19
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Quan LM, Mechler AI, Barnard PJ. A luminescent lipid mimetic iridium(III) N-heterocyclic carbene complex for membrane labelling. J Inorg Biochem 2020; 206:111047. [PMID: 32151874 DOI: 10.1016/j.jinorgbio.2020.111047] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 02/17/2020] [Accepted: 02/19/2020] [Indexed: 01/12/2023]
Abstract
Labelling phospholipid membranes with luminophores without altering the biophysical characteristics of the system is particularly challenging due to the small size of the phospholipid molecules and the sensitivity of membrane properties to the presence of fused heterocyclic molecules. Here the design and synthesis of a luminescent lipid mimetic Ir(III) N-heterocyclic carbene complex of the form [Ir(ppy)2(C^N)] (where ppy = 2-(phenyl)-pyridine and C^N is a N-heterocyclic carbene ligand) conjugated to stearic acid is described. This complex was synthesised by the reaction of an acetate functionalised Ir(III) precursor complex with tert-butyl N-(2-aminoethyl)carbamate (mono-BOC protected ethylene diamine) and after deprotection of the amine group this complex was coupled to stearic acid using the peptide coupling reagent 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDC). The photophysical properties of the synthesised complexes were evaluated and they showed blue-green luminescence in the range of 514-520 nm. Fluorescence microscopy studies showed that the lipid mimetic complex successfully incorporated into liposomes composed of 1,2-dimyristoyl-sn-glycero-3-phosphocholine (DMPC), while dynamic light scattering (DLS) and differential scanning calorimetry (DSC) studies showed that the complex had negligible influence on the biophysical properties of the liposomes.
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Affiliation(s)
- Linh M Quan
- Department of Chemistry and Physics, La Trobe Institute for Molecular Science, La Trobe University, Victoria 3086, Australia
| | - Adam I Mechler
- Department of Chemistry and Physics, La Trobe Institute for Molecular Science, La Trobe University, Victoria 3086, Australia.
| | - Peter J Barnard
- Department of Chemistry and Physics, La Trobe Institute for Molecular Science, La Trobe University, Victoria 3086, Australia.
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20
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Salmain M, Fischer-Durand N, Rudolf B. Bioorthogonal Conjugation of Transition Organometallic Complexes to Peptides and Proteins: Strategies and Applications. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201900810] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Michèle Salmain
- Sorbonne Université; CNRS; Institut Parisien de Chimie Moléculaire; 4 place Jussieu 75005 Paris France
| | - Nathalie Fischer-Durand
- Sorbonne Université; CNRS; Institut Parisien de Chimie Moléculaire; 4 place Jussieu 75005 Paris France
| | - Bogna Rudolf
- Department of Organic Chemistry; Faculty of Chemistry; University of Lodz; 91-403 Lodz Poland
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21
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Chen L, Hayne DJ, Doeven EH, Agugiaro J, Wilson DJD, Henderson LC, Connell TU, Nai YH, Alexander R, Carrara S, Hogan CF, Donnelly PS, Francis PS. A conceptual framework for the development of iridium(iii) complex-based electrogenerated chemiluminescence labels. Chem Sci 2019; 10:8654-8667. [PMID: 31803440 PMCID: PMC6849491 DOI: 10.1039/c9sc01391a] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 07/26/2019] [Indexed: 01/29/2023] Open
Abstract
Translation of the highly promising electrogenerated chemiluminescence (ECL) properties of Ir(iii) complexes (with tri-n-propylamine (TPrA) as a co-reactant) into a new generation of ECL labels for ligand binding assays necessitates the introduction of functionality suitable for bioconjugation. Modification of the ligands, however, can affect not only the photophysical and electrochemical properties of the complex, but also the reaction pathways available to generate light. Through a combined theoretical and experimental study, we reveal the limitations of conventional approaches to the design of electrochemiluminophores and introduce a new class of ECL label, [Ir(C^N)2(pt-TOxT-Sq)]+ (where C^N is a range of possible cyclometalating ligands, and pt-TOxT-Sq is a pyridyltriazole ligand with trioxatridecane chain and squarate amide ethyl ester), which outperformed commercial Ir(iii) complex labels in two commonly used assay formats. Predicted limits on the redox potentials and emission wavelengths of Ir(iii) complexes capable of generating ECL via the dominant pathway applicable in microbead supported ECL assays were experimentally verified by measuring the ECL intensities of the parent luminophores at different applied potentials, and comparing the ECL responses for the corresponding labels under assay conditions. This study provides a framework to tailor ECL labels for specific assay conditions and a fundamental understanding of the ECL pathways that will underpin exploration of new luminophores and co-reactants.
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Affiliation(s)
- Lifen Chen
- Deakin University , School of Life and Environmental Sciences , Centre for Regional and Rural Futures (CeRRF) , Institute for Frontier Materials (IFM) , Geelong , Victoria 3220 , Australia . ;
| | - David J Hayne
- Deakin University , School of Life and Environmental Sciences , Centre for Regional and Rural Futures (CeRRF) , Institute for Frontier Materials (IFM) , Geelong , Victoria 3220 , Australia . ;
| | - Egan H Doeven
- Deakin University , School of Life and Environmental Sciences , Centre for Regional and Rural Futures (CeRRF) , Institute for Frontier Materials (IFM) , Geelong , Victoria 3220 , Australia . ;
| | - Johnny Agugiaro
- Department of Chemistry and Physics , La Trobe Institute for Molecular Sciences (LIMS) , La Trobe University , Melbourne , Victoria 3086 , Australia
| | - David J D Wilson
- Department of Chemistry and Physics , La Trobe Institute for Molecular Sciences (LIMS) , La Trobe University , Melbourne , Victoria 3086 , Australia
| | - Luke C Henderson
- Deakin University , School of Life and Environmental Sciences , Centre for Regional and Rural Futures (CeRRF) , Institute for Frontier Materials (IFM) , Geelong , Victoria 3220 , Australia . ;
| | - Timothy U Connell
- Commonwealth Scientific and Industrial Research Organisation (CSIRO) , Clayton , Victoria 3168 , Australia
| | - Yi Heng Nai
- Deakin University , School of Life and Environmental Sciences , Centre for Regional and Rural Futures (CeRRF) , Institute for Frontier Materials (IFM) , Geelong , Victoria 3220 , Australia . ;
| | - Richard Alexander
- Deakin University , School of Life and Environmental Sciences , Centre for Regional and Rural Futures (CeRRF) , Institute for Frontier Materials (IFM) , Geelong , Victoria 3220 , Australia . ;
| | - Serena Carrara
- Department of Chemistry and Physics , La Trobe Institute for Molecular Sciences (LIMS) , La Trobe University , Melbourne , Victoria 3086 , Australia
| | - Conor F Hogan
- Department of Chemistry and Physics , La Trobe Institute for Molecular Sciences (LIMS) , La Trobe University , Melbourne , Victoria 3086 , Australia
| | - Paul S Donnelly
- School of Chemistry , Bio21 Molecular Science and Biotechnology Institute , The University of Melbourne , Victoria 3010 , Australia
| | - Paul S Francis
- Deakin University , School of Life and Environmental Sciences , Centre for Regional and Rural Futures (CeRRF) , Institute for Frontier Materials (IFM) , Geelong , Victoria 3220 , Australia . ;
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22
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Nayeri S, Jamali S, Pavlovskiy VV, Porsev VV, Evarestov RA, Kisel KS, Koshevoy IO, Shakirova JR, Tunik SP. A Rare Type of Rhenium(I) Diimine Complexes with Unsupported Coordinated Phosphine Oxide Ligands: Synthesis, Structural Characterization, Photophysical and Theoretical Study. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201900617] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Sara Nayeri
- Department of Chemistry Sharif University of Technology P.O. Box 11155‐3516 Tehran Iran
| | - Sirous Jamali
- Department of Chemistry Sharif University of Technology P.O. Box 11155‐3516 Tehran Iran
| | - Vladimir V. Pavlovskiy
- Department of Chemistry St. Petersburg State University Universitetskii pr. 26 198504 St. Petersburg Russia
| | - Vitaly V. Porsev
- Department of Chemistry St. Petersburg State University Universitetskii pr. 26 198504 St. Petersburg Russia
| | - Robert A. Evarestov
- Department of Chemistry St. Petersburg State University Universitetskii pr. 26 198504 St. Petersburg Russia
| | - Kristina S. Kisel
- Department of Chemistry St. Petersburg State University Universitetskii pr. 26 198504 St. Petersburg Russia
| | - Igor O. Koshevoy
- Department of Chemistry University of Eastern Finland 80101 Joensuu Finland
| | - Julia R. Shakirova
- Department of Chemistry St. Petersburg State University Universitetskii pr. 26 198504 St. Petersburg Russia
| | - Sergey P. Tunik
- Department of Chemistry St. Petersburg State University Universitetskii pr. 26 198504 St. Petersburg Russia
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23
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Wang Y, Shi Y, Zou X, He Y, Wang X. Pyridylphosphine supported Ag(i) and Cu(i) complexes for detection of alcohols and nitriles via structural transformations from 1D to 0D. CrystEngComm 2019. [DOI: 10.1039/c9ce00943d] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
One-dimensional chain Ag(i) and Cu(i) complexes exhibit vapochromic luminescence for the detection of alcohols and nitriles via structural transformations from 1D to 0D.
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Affiliation(s)
- Yue Wang
- College of Biological and Chemical Engineering
- Chongqing University of Education
- Chongqing 400067
- China
| | - Yongfang Shi
- Fujian Institute of Research on the Structure of Matter
- State Key Laboratory of Structural Chemistry
- Chinese Academy of Sciences
- Fuzhou 350002
- China
| | - Xiaochuan Zou
- College of Biological and Chemical Engineering
- Chongqing University of Education
- Chongqing 400067
- China
| | - Yucen He
- College of Biological and Chemical Engineering
- Chongqing University of Education
- Chongqing 400067
- China
| | - Xia Wang
- College of Biological and Chemical Engineering
- Chongqing University of Education
- Chongqing 400067
- China
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24
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Vellaisamy K, Li G, Wang W, Leung CH, Ma DL. A long-lived peptide-conjugated iridium(iii) complex as a luminescent probe and inhibitor of the cell migration mediator, formyl peptide receptor 2. Chem Sci 2018; 9:8171-8177. [PMID: 30568767 PMCID: PMC6256120 DOI: 10.1039/c8sc02733a] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Accepted: 09/29/2018] [Indexed: 12/18/2022] Open
Abstract
Formyl peptide receptors play important biological and therapeutic roles in wound repair and inflammatory diseases. In this work, we present a luminescent iridium(iii) complex (6) conjugated with the peptide agonist WKYMVm as a luminescent formyl peptide receptor 2 (FPR2) imaging probe in living cells. Complex 6 displayed ideal cell imaging characteristics, high photostability and low cytotoxicity. Competition assays with a known FPR2 antagonist, WRW4, and siRNA knockdown experiments both revealed that complex 6 selectively targeted FPR2 in living HUVEC cells. Moreover, complex 6 regulated FPR2 signalling in HUVEC cells as shown using a mechanical scratch assay. Finally, complex 6 reduced epithelial cell migration capacity and inhibited lipoxin A4 (LXA4)-triggered cell migration in HUVEC cells, demonstrating the ability of this complex to inhibit FPR2 in living cells. To our knowledge, this is the first long-lived probe for imaging FPR2 in living cells.
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Affiliation(s)
- Kasipandi Vellaisamy
- Department of Chemistry , Hong Kong Baptist University , Kowloon Tong , Hong Kong , China .
| | - Guodong Li
- State Key Laboratory of Quality Research in Chinese Medicine , Institute of Chinese Medical Sciences , University of Macau , Macao , China .
| | - Wanhe Wang
- Department of Chemistry , Hong Kong Baptist University , Kowloon Tong , Hong Kong , China .
| | - Chung-Hang Leung
- State Key Laboratory of Quality Research in Chinese Medicine , Institute of Chinese Medical Sciences , University of Macau , Macao , China .
| | - Dik-Lung Ma
- Department of Chemistry , Hong Kong Baptist University , Kowloon Tong , Hong Kong , China .
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