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Yan L, Tang L, Wu X, Li L. Recent Advances in Organic Small-Molecule Fluorescent Probes Based on Dicyanoisophorone Derivatives. Crit Rev Anal Chem 2024:1-28. [PMID: 38836446 DOI: 10.1080/10408347.2024.2354328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2024]
Abstract
Fluorescent probe technology holds great promise in the fields of environmental monitoring and clinical diagnosis due to its inherent advantages, including easy operation, reliable detection signals, fast analysis speed, and in situ imaging capabilities. In recent years, a wide range of fluorescent probes based on diverse fluorophores have been developed for the analysis and detection of various analytes, yielding significant achievement. Among these fluorophores, the dicyanoisophorone-based fluorophores have garnered significant attention. Dicyanoisoporone exhibits minimal fluorescence, yet possesses a robust electron-withdrawing capability, rendering it suitable for constructing of D-π-A structured fluorophores. Leveraging the intramolecular charge transfer (ICT) effect, such fluorophores exhibit near-infrared (NIR) fluorescence emission with a large Stokes shift, thereby offering remarkable advantages in the design and development of NIR fluorescence probes. This review article primarily focus on small-molecule dicyanoisoporone-based probes from the past two years, elucidating their design strategies, detection performances, and applications. Additionally, we summarize current challenges while predicting future directions to provide valuable references for developing novel and advanced fluorescence probes based on dicyanoisoporone derivatives.
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Affiliation(s)
- Liqiang Yan
- College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, Guangxi, China
| | - Liting Tang
- College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, Guangxi, China
| | - Xiongzhi Wu
- College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, Guangxi, China
| | - Lin Li
- College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, Guangxi, China
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2
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Bai C, Yao J, Meng Q, Dong Y, Chen M, Liu X, Wang X, Qiao R, Huang H, Wei B, Qu C, Miao H. A near-infrared fluorescent ratiometric probe with large Stokes shift for multi-mode sensing of Pb 2+ and bioimaging. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133968. [PMID: 38452682 DOI: 10.1016/j.jhazmat.2024.133968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 03/03/2024] [Accepted: 03/04/2024] [Indexed: 03/09/2024]
Abstract
Pb2+ is a heavy metal ion pollutant that poses a serious threat to human health and ecosystems. The conventional methods for detecting Pb2+ have several limitations. In this study, we introduce a novel fluorescent probe that enables the detection of Pb2+ in the near-infrared region, free from interference from other common ions. A unique characteristic of this probe is its ability to rapidly and accurately identify Pb2+ through ratiometric measurements accompanied by a large Stokes shift of 201 nm. The limit of detection achieved by probe was remarkably low, surpassing the standards set by the World Health Organization, and outperforming previously reported probes. To the best of our knowledge, this is the first organic small-molecule fluorescent probe with both near-infrared emission and ratiometric properties for the detection of Pb2+. We present a triple-mode sensing platform constructed using a probe that allows for the sensitive and selective recognition of Pb2+ in common food items. Furthermore, we successfully conducted high-quality fluorescence imaging of Pb2+ in various samples from common edible plants, HeLa cells, Caenorhabditis elegans, and mice. Importantly, the probe-Pb2+ complex exhibited tumour-targeting capabilities. Overall, this study presents a novel approach for the development of fluorescent probes for Pb2+ detection.
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Affiliation(s)
- Cuibing Bai
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China
| | - Junxiong Yao
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China
| | - Qian Meng
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China
| | - Yajie Dong
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China
| | - Mengyu Chen
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China
| | - Xinyi Liu
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China
| | - Xinyu Wang
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China
| | - Rui Qiao
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China.
| | - Huanan Huang
- College of Chemistry and Chemical Engineering, Jiangxi Province Engineering Research Center of Ecological Chemical Industry, Xinghuo Organosilicon Industry Research Center, Jiujiang University, Jiujiang 332005, PR China.
| | - Biao Wei
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China
| | - Changqing Qu
- Research Center of Anti-aging Chinese Herbal Medicine of Anhui Province, Fuyang, Anhui 236037, PR China
| | - Hui Miao
- School of Chemistry and Materials Engineering, Anhui Provincial Key Laboratory of Innovative Drug Development and Industrial Integration Jointly Established Discipline, Engineering Research Center of Biomass Conversion and Pollution Prevention of Anhui Educational Institutions, Fuyang Normal University, Fuyang, Anhui Province 236037, PR China.
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Kumar A, Chae PS. A Naphthoquinoline-Dione-Based Cu 2+ Sensing Probe with Visible Color Change and Fluorescence Quenching in an Aqueous Organic Solution. Molecules 2024; 29:808. [PMID: 38398561 PMCID: PMC10891706 DOI: 10.3390/molecules29040808] [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: 12/28/2023] [Revised: 01/30/2024] [Accepted: 02/05/2024] [Indexed: 02/25/2024] Open
Abstract
Copper metal ions (Cu2+) are widely used in various industries, and their salts are used as supplementary components in agriculture and medicine. As this metal ion is associated with various health issues, it is necessary to detect and monitor it in environmental and biological samples. In the present report, we synthesized a naphthoquinoline-dione-based probe 1 containing three ester groups to investigate its ability to detect metal ions in an aqueous solution. Among various metal ions, probe 1 showed a vivid color change from yellow to colorless in the presence of Cu2+, as observed by the naked eye. The ratiometric method using the absorbance ratio (A413/A476) resulted in a limit of detection (LOD) of 1 µM for Cu2+. In addition, the intense yellow-green fluorescence was quenched upon the addition of Cu2+, resulting in a calculated LOD of 5 nM. Thus, probe 1 has the potential for dual response toward Cu2+ detection through color change and fluorescence quenching. 1H-NMR investigation and density functional theory (DFT) calculations indicate 1:1 binding of the metal ion to the small cavity of the probe comprising four functional groups: the carbonyl group of the amide (O), the amino group (N), and two t-butyl ester groups (O). When adsorbed onto various solid surfaces, such as cotton, silica, and filter paper, the probe showed effective detection of Cu2+ via fluorescence quenching. Probe 1 was also useful for Cu2+ sensing in environmental samples (sea and drain water) and biological samples (live HeLa cells).
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Affiliation(s)
- Ashwani Kumar
- Department of Bionano Engineering, Hanyang University, Ansan 15588, Republic of Korea
| | - Pil Seok Chae
- Department of Bionano Engineering, Hanyang University, Ansan 15588, Republic of Korea
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Huang J, Liu K, Tian J, Wei H, Kan C. A rhodamine NIR probe for naked eye detection of mercury ions and its application. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 306:123553. [PMID: 37898057 DOI: 10.1016/j.saa.2023.123553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 09/26/2023] [Accepted: 10/16/2023] [Indexed: 10/30/2023]
Abstract
Fluorescence imaging technology has developed rapidly with its advantages, and near-infrared probes are worthy of attention because of their less background interference, low light damage, and infinite potential. Rhodamine and its derivatives have the unique structure of lactam helices, which is an ideal platform for the construction of on-off fluorescent sensors. In this paper, a novel near-infrared fluorescent probe (RBLS) based on rhodamine derivatives was synthesized for the transient detection of mercury ions. The closed-on structure can realize reversible sensor recovery by adding S2-. The superior imaging capability in living cells and in vivo in zebrafish holds promise for biological applications. In addition, the naked eye test strips prepared with RBLS probes can be used to detect and screen Hg2+ in the environment and show good gradient change performance.
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Affiliation(s)
- Jie Huang
- Department of Chemistry and Material Science, College of Science, Nanjing Forestry University, 159 Longpan Road, Nanjing 210037, PR China
| | - Kaiyue Liu
- Department of Chemistry and Material Science, College of Science, Nanjing Forestry University, 159 Longpan Road, Nanjing 210037, PR China
| | - Jiaxin Tian
- Department of Chemistry and Material Science, College of Science, Nanjing Forestry University, 159 Longpan Road, Nanjing 210037, PR China
| | - Haiyan Wei
- Department of Chemistry and Material Science, College of Science, Nanjing Forestry University, 159 Longpan Road, Nanjing 210037, PR China
| | - Chun Kan
- Department of Chemistry and Material Science, College of Science, Nanjing Forestry University, 159 Longpan Road, Nanjing 210037, PR China.
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Deng L, Xue L, Gao Y, Fu S, Wang H. A coumarin based ratiometric fluorescent probe for the detection of Cu 2+ and mechanochromism as well as application in living cells and vegetables. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 305:123479. [PMID: 37806239 DOI: 10.1016/j.saa.2023.123479] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 09/11/2023] [Accepted: 09/29/2023] [Indexed: 10/10/2023]
Abstract
In this paper, a novel coumarin-derived fluorescent probe NY was designed and synthesized. NY displayed a significant ratiometric fluorescence response towards Cu2+ in PBS buffer (10 mM, pH = 7.4), with the emission wavelength blue-shifted from 580 to 495 nm, and a fluorescence change from orange to green was evident under a 365 nm UV light. Meanwhile, NY had the advantages of high selectivity, short response time (5 min), low detection limit (1.3 × 10-8 M) and large binding constant (1.45 × 105 M-1) towards Cu2+. The binding mechanism between NY and Cu2+ was elucidated by FT-IR, 1H NMR titration, TOF-MS and Job's plot analysis. In addition, NY was successfully employed in the detection of Cu2+ within environmental water and vegetable samples with satisfactory results. Laser confocal microscopy imaging results showed that NY could easily penetrate HeLa cells membrane to target mitochondria and image Cu2+ in living cells. Furthermore, NY demonstrated mechanochromic properties by exhibiting orange-red fluorescence when subjected to mechanical grinding.
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Affiliation(s)
- Linlong Deng
- College of Chemistry and Chemical Engineering, Ningxia Normal University, Guyuan 756000, People's Republic of China
| | - Lei Xue
- College of Chemistry and Chemical Engineering, Ningxia Normal University, Guyuan 756000, People's Republic of China; Key Laboratory of Green Catalytic Materials and Technologies of Ningxia Hui Autonomous Region, People's Republic of China
| | - Yunke Gao
- College of Chemistry and Chemical Engineering, Ningxia Normal University, Guyuan 756000, People's Republic of China
| | - Shuai Fu
- College of Chemistry and Chemical Engineering, Ningxia Normal University, Guyuan 756000, People's Republic of China
| | - Haibin Wang
- College of Chemistry and Chemical Engineering, Ningxia Normal University, Guyuan 756000, People's Republic of China; Key Laboratory of Green Catalytic Materials and Technologies of Ningxia Hui Autonomous Region, People's Republic of China.
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Tao J, Wang H, Sun Y, Sun X, Hu Y. Self-assembled nanovesicles based on chiral bis-H 8-BINOL for Fe 3+ recognition and secondary recognition of l-cysteine by 1 + 1 complex. RSC Adv 2024; 14:2422-2428. [PMID: 38223697 PMCID: PMC10785047 DOI: 10.1039/d3ra07654g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 01/08/2024] [Indexed: 01/16/2024] Open
Abstract
A novel fluorescent "off" sensor, R-β-d-1, was obtained in high yield (91.2%) by using octahydronaphthol as a backbone, introducing an alkyne group at the 2-position, and linking azido-glucose via a click reaction. The sensor was analyzed by scanning electron microscopy and transmission electron microscopy and was found to be a self-assembled vesicle. AFM results showed that the fluorescence burst was extinguished by the addition of Fe3+, and the fluorescence was restored by the addition of cysteine. This is due to charge transfer within the molecular structure, resulting in the ICT effect and phototransfer of electrons (PET), as well as redshifting (from 331 nm to 351 nm) and quenching of the fluorescence. The self-assembled vesicles of the fluorescent sensor R-β-d-1 encapsulated Fe3+, but upon addition of cysteine, the vesicles of R-β-d-1-Fe3+ were also complexed with it, forming the R-β-d-1-Fe3+-l-Cys complex, at which point fluorescence gradually returned. Therefore, the fluorescence test of this probe showed that the lowest detection limit of iron ions was 1.67 × 10-7 mol L-1, and its complexation mode was in the form of 1 + 1. The novel probe formed by R-β-d-1-Fe3+ can be used for the fluorescence detection of cysteine.
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Affiliation(s)
- Jisheng Tao
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University Nanchang 330013 China
| | - Huizhen Wang
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University Nanchang 330013 China
| | - Yue Sun
- College of Chemistry, Nanchang University Nanchang China
| | - Xiaoxia Sun
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University Nanchang 330013 China
| | - Yu Hu
- College of Chemistry, Nanchang University Nanchang China
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7
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Singh J, Mohan B, Kumar A, Bhardwaj P, Chauhan RK. Naphthaldehyde-Based Schiff Base Chemosensor for the Dual Sensing of Cu 2+ and Ni 2+ Ions. J Fluoresc 2024; 34:149-157. [PMID: 37178421 DOI: 10.1007/s10895-023-03245-9] [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: 02/25/2023] [Accepted: 04/14/2023] [Indexed: 05/15/2023]
Abstract
In this study, a simple Schiff base sensor 1-(((4-nitrophenyl)imino)methyl)naphthalen-2-ol(NNM) has been used for chemosensing of metal ions. The metal sensing properties of sensor NNM have been investigated using UV-visible and fluorescence spectroscopic approaches. The spectral investigations revealed a red shift in absorption spectra and quenching in the emission band of the ligand molecule in the presence of Cu2+ and Ni2+ ions. The binding stoichiometry of sensor NNM for the analyte (Cu2+ and Ni2+ ions) has been investigated by the Job's plot analysis and found to be 1:1 (NNM:Analyte). The data of the Benesi-Hildebrand plot demonstrated that NNM detected Cu2+ and Ni2+ ions in nanomolar quantity. The binding insights among NNM and analytes (Cu2+ and Ni2+ ions) have been confirmed by shifted IR signals. Moreover, the reusabilty of the sensor has been investigated using an EDTA solution. In addition, the sensor NNM also successfully applied to real water samples for the identification and measurement of Cu2+ and Ni2+ ions. Hence, this system could be highly applicable in environmental and biological applications.
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Affiliation(s)
- Jasbir Singh
- Department of Chemistry, Baba Mastnath University, Rohtak, 124021, India
| | - Brij Mohan
- Centro de Química Estrutural, Institute of Molecular Sciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001, Lisboa, Portugal
| | - Ashwani Kumar
- Department of Chemistry, Kurukshetra University Kurukshetra, Kurukshetra, 136119, India
| | - Pallavi Bhardwaj
- Department of Chemistry, Baba Mastnath University, Rohtak, 124021, India.
| | - Ravish K Chauhan
- Department of Chemistry, Indira Gandhi National College, Kurukshetra, 136132, India.
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Matuszczyk D, Lee YJ, Kang S, Chmielewski PJ, Cybińska J, Kim D, Stępień M. π-Extended Hexapyrrolylbenzenes: Exploring Charge-Transfer Phenomena in Donor-Acceptor Propellers. Chemistry 2023; 29:e202302429. [PMID: 37624878 DOI: 10.1002/chem.202302429] [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: 07/27/2023] [Revised: 08/24/2023] [Accepted: 08/25/2023] [Indexed: 08/27/2023]
Abstract
A family of propeller-shaped donor-acceptor hexapyrrolylbenzenes (HPBs) were designed and synthesized by sequential nucleophilic substitution of hexafluorobenzene with π-extended pyrroles. In particular, four hybrids were obtained, containing various combinations of electron-rich and electron-poor acenaphthylene-fused pyrroles. Additionally, to probe the efficiency of ortho transfer interactions, a system was designed containing unique donor and acceptor subunits spatially separated with four unfunctionalized pyrroles. DFT calculations showed propeller-shaped geometries of all HPB molecules and separation of frontier molecular orbitals between donor and acceptor subunits. Steady-state and time-resolved photophysical measurements revealed charge-transfer (CT) character of the emission with strong positive dependence on solvent polarity. The principal CT pathway involves ortho-positioned pairs of donors and acceptors and requires bending of the acceptor in the excited state.
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Affiliation(s)
- Daniel Matuszczyk
- Wydział Chemii, Uniwersytet Wrocławski, ul. F. Joliot-Curie 14, 50-383, Wrocław, Poland
| | - Yu Jin Lee
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Seongsoo Kang
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Piotr J Chmielewski
- Wydział Chemii, Uniwersytet Wrocławski, ul. F. Joliot-Curie 14, 50-383, Wrocław, Poland
| | - Joanna Cybińska
- Wydział Chemii, Uniwersytet Wrocławski, ul. F. Joliot-Curie 14, 50-383, Wrocław, Poland
- Polski, Ośrodek Rozwoju Technologii (PORT), ul. Stabłowicka147, 54-066, Wrocław, Poland
| | - Dongho Kim
- Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Marcin Stępień
- Wydział Chemii, Uniwersytet Wrocławski, ul. F. Joliot-Curie 14, 50-383, Wrocław, Poland
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Su Q, Zhang Y, Zhu S. Site-specific albumin tagging with chloride-containing near-infrared cyanine dyes: molecular engineering, mechanism, and imaging applications. Chem Commun (Camb) 2023; 59:13125-13138. [PMID: 37850230 DOI: 10.1039/d3cc04200f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2023]
Abstract
Near-infrared dyes, particularly cyanine dyes, have shown great potential in biomedical imaging due to their deep tissue penetration, high resolution, and minimal tissue autofluorescence/scattering. These dyes can be adjusted in terms of absorption and emission wavelengths by modifying their chemical structures. The current issues with cyanine dyes include aggregation-induced quenching, poor photostability, and short in vivo circulation time. Encapsulating cyanine dyes with albumin, whether exogenous or endogenous, has been proven to be an effective strategy for improving their brightness and pharmacokinetics. In detail, the chloride-containing (Cl-containing) cyanine dyes have been found to selectively bind to albumin to achieve site-specific albumin tagging, resulting in enhanced optical properties and improved biosafety. This feature article provides an overview of the progress in the covalent binding of Cl-containing cyanine dyes with albumin, including molecular engineering methods, binding sites, and the selective binding mechanism. The improved optical properties of cyanine dyes and albumin complexes have led to cutting-edge applications in biological imaging, such as tumor imaging (diagnostics) and imaging-guided surgery.
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Affiliation(s)
- Qi Su
- State Key Laboratory of Supramolecular Structure and Materials, Center for Supramolecular Chemical Biology, College of Chemistry, Jilin University, Changchun 130012, P. R. China.
| | - Yuewei Zhang
- Joint Laboratory of Opto-Functional Theranostics in Medicine and Chemistry, First Hospital of Jilin University, Jilin University, Changchun 130021, P. R. China.
- School of Chemistry and Pharmaceutical Engineering, Jilin Institute of Chemical Technology, Jilin 132022, P. R. China
| | - Shoujun Zhu
- State Key Laboratory of Supramolecular Structure and Materials, Center for Supramolecular Chemical Biology, College of Chemistry, Jilin University, Changchun 130012, P. R. China.
- Joint Laboratory of Opto-Functional Theranostics in Medicine and Chemistry, First Hospital of Jilin University, Jilin University, Changchun 130021, P. R. China.
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Xu Y, Wu Z, Wan Z, Du Y, Zhou Q, Chen L, Jin S. Design and One-Pot Ultrasound Synthesis of Inorganic Base-Promoted Fluorescent Ligand-Gated Ion Channel Fused Arylpyrazole Sulfonamide Skeletons to Enhance Phloem Mobility and Insecticidal Activity as GABA and nACh Receptors Inhibitors. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:16331-16351. [PMID: 37871250 DOI: 10.1021/acs.jafc.3c04861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Ligand-gated ion channels are essential in living organisms, and sulfonamides have antibacterial effects and can be readily coordinated with metal ions with good biological activity. A series of fluorescent ligand-gated ion channel fused arylpyrazole sulfonamide skeletons (APSnM) were synthesized based on a one-pot ultrasound strategy promoted by an inorganic base. APSnM had a high fluorescence quantum yield and a large Stokes shift in ethanol solvent. The ligand bonded ions took on a different color from the ligand and can be used as a probe to detect their own residue on plant surfaces. Their hydrophobic parameters and the fluorescence distribution in Chinese cabbage leaves indicated that APSnM significantly increased the phloem mobility of the plant. The insecticidal activity of APS3Na was higher (LC50 = 7.2423 μg/mL) than that of fipronil (15.2312 μg/mL) against Plutella xylostella, and the mechanism of high insecticidal activity of APS3Na was simulated by molecular docking, which confirmed its strong interactions with the GABA and nACh receptors of Plutella xylostella. Analysis of the crystal structure of these ligand-gated ion channels further confirmed the consistency of their structure and biological activity.
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Affiliation(s)
- Yueyue Xu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Zhongda Wu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Zilou Wan
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Yanting Du
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Quan Zhou
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Lianqing Chen
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China
- Hubei Three Gorges Laboratory, Yichang 443000, China
- Department of Chemistry, University of Wisconsin-Platteville, Platteville 53818, United States
| | - Shiwei Jin
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China
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Sekaran B, Guragain M, Misra R, D'Souza F. β-Pyrrole Functionalized Push or Pull Porphyrins: Excited Charge Transfer Promoted Singlet Oxygen Generation. J Phys Chem A 2023; 127:7964-7975. [PMID: 37707534 DOI: 10.1021/acs.jpca.3c05292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/15/2023]
Abstract
Singlet oxygen (1O2) producing photosensitizers are highly sought for developing new photodynamic therapy agents and facilitating 1O2-involved chemical reactions. Often singlet oxygen is produced by the reaction of triplet-excited photosensitizers with dioxygen via an energy transfer mechanism. In the present study, we demonstrate a charge transfer mechanism to produce singlet oxygen involving push or pull functionalized porphyrins. For this, 20 β-pyrrole functionalized porphyrins carrying either an electron-rich push or electron-deficient pull group have been newly synthesized. Photoexcitation of these push-pull porphyrins has been shown to produce high-energy MPδ+-Aδ- or MPδ--Dδ+ charge transfer states. Subsequent charge recombination results in populating the triplet excited states of extended lifetimes in the case of the push group containing porphyrins that eventually react with dioxygen to produce the reactive singlet oxygen of relatively higher quantum yields. The effect of the push and pull groups on the porphyrin periphery in governing initial charge transfer, the population of triplet excited states and their lifetimes, and resulting in improved singlet oxygen quantum yields are systematically probed. The improved performance of 1O2 generation by porphyrins carrying push groups is borne out from this study.
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Affiliation(s)
- Bijesh Sekaran
- Department of Chemistry, Indian Institute of Technology, Indore 453552, India
| | - Manan Guragain
- Department of Chemistry, University of North Texas, 1155 Union Circle, #305070, Denton, Texas 76203-5017, United States
| | - Rajneesh Misra
- Department of Chemistry, Indian Institute of Technology, Indore 453552, India
| | - Francis D'Souza
- Department of Chemistry, University of North Texas, 1155 Union Circle, #305070, Denton, Texas 76203-5017, United States
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Hider RC, Pourzand C, Ma Y, Cilibrizzi A. Optical Imaging Opportunities to Inspect the Nature of Cytosolic Iron Pools. Molecules 2023; 28:6467. [PMID: 37764245 PMCID: PMC10537325 DOI: 10.3390/molecules28186467] [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: 08/04/2023] [Revised: 08/31/2023] [Accepted: 09/02/2023] [Indexed: 09/29/2023] Open
Abstract
The chemical nature of intracellular labile iron pools (LIPs) is described. By virtue of the kinetic lability of these pools, it is suggested that the isolation of such species by chromatography methods will not be possible, but rather mass spectrometric techniques should be adopted. Iron-sensitive fluorescent probes, which have been developed for the detection and quantification of LIP, are described, including those specifically designed to monitor cytosolic, mitochondrial, and lysosomal LIPs. The potential of near-infrared (NIR) probes for in vivo monitoring of LIP is discussed.
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Affiliation(s)
- Robert Charles Hider
- Institute of Pharmaceutical Science, King’s College London, London SE1 9NH, UK
- Department of Life Sciences, University of Bath, Bath BA2 7AY, UK;
| | - Charareh Pourzand
- Department of Life Sciences, University of Bath, Bath BA2 7AY, UK;
- Centre for Therapeutic Innovation, University of Bath, Bath BA2 7AY, UK
- Centre for Bioengineering and Biomedical Technologies, University of Bath, Bath BA2 7AY, UK
| | - Yongmin Ma
- Institute of Advanced Studies, School of Pharmaceutical and Chemical Engineering, Taizhou University, 1139 Shifu Avenue, Taizhou 318000, China;
| | - Agostino Cilibrizzi
- Institute of Pharmaceutical Science, King’s College London, London SE1 9NH, UK
- Centre for Therapeutic Innovation, University of Bath, Bath BA2 7AY, UK
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13
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Ji Y, Liu S, Zhang J, Qu L, Wu J, Liu H, Cheng Z. Construction of HPQ-based activatable fluorescent probe for peroxynitrite and its application in ferroptosis and mice model of LPS-induced inflammation. Bioorg Chem 2023; 138:106650. [PMID: 37302314 DOI: 10.1016/j.bioorg.2023.106650] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 05/21/2023] [Accepted: 05/31/2023] [Indexed: 06/13/2023]
Abstract
As one of the important members of reactive oxygen species, ONOO- plays a crucial role in signal transduction, immune response, and other physiological activities. Aberrant changes in ONOO- levels in the living organism are usually associated with many diseases. Therefore, it is important to establish a highly selective and sensitive method for the determination of ONOO- in vivo. Herein, we designed a novel ratio near-infrared fluorescent probe for ONOO- by directly conjugating dicyanoisophorone (DCI) to hydroxyphenyl-quinazolinone (HPQ). Surprisingly, HPQD was unaffected by environmental viscosity and responded rapidly to ONOO- within 40 s. The linear range of ONOO- detection was from 0 μM to 35 μM. Impressively, HPQD did not react with reactive oxygen species and was sensitive to exogenous/endogenous ONOO- in live cells. We also investigated the relationship between ONOO- and ferroptosis and achieved in vivo diagnosis and efficacy evaluation of mice model of LPS-induced inflammation, which showed promising prospects of HPQD in ONOO--related studies.
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Affiliation(s)
- Yuxiang Ji
- Department of Radiotherapy, Key Laboratory of Hainan Trauma and Disaster Rescue, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou 571199, China; Key Laboratory of Tropical Translational Medicine of Ministry of Education, NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan 571199, China
| | - Sha Liu
- Department of Radiotherapy, Key Laboratory of Hainan Trauma and Disaster Rescue, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou 571199, China
| | - Jian Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Normal University, Jinan 250014, China.
| | - Linruikang Qu
- Department of Radiotherapy, Key Laboratory of Hainan Trauma and Disaster Rescue, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou 571199, China
| | - Jinsheng Wu
- Department of Radiotherapy, Key Laboratory of Hainan Trauma and Disaster Rescue, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou 571199, China
| | - Heng Liu
- Department of Radiotherapy, Key Laboratory of Hainan Trauma and Disaster Rescue, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou 571199, China.
| | - Ziyi Cheng
- Department of Radiotherapy, Key Laboratory of Hainan Trauma and Disaster Rescue, The First Affiliated Hospital of Hainan Medical University, Hainan Medical University, Haikou 571199, China.
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14
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Wang Y, Xu Y, Jiang R, Dong Q, Sun Y, Li W, Xiong Y, Chen Y, Yi S, Wen Q. A fluorescent probe based on aptamer gold nanoclusters for rapid detection of mercury ions. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:3893-3901. [PMID: 37519193 DOI: 10.1039/d3ay00967j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/01/2023]
Abstract
The mercuric ion (Hg2+) is a hazardous pollutant that is widely distributed in living organisms, foods, and environments with highly toxic and bio-accumulative properties. In the present study, a fluorescent probe based on aptamer gold nanoclusters (apt-AuNCs) was prepared for the ultrasensitive detection of Hg2+ in food. The principle underlying the prepared probe was the quenching of the fluorescence of apt-AuNCs in the presence of Hg2+ due to the strong metallophilic interactions between the 5d10 centers of Hg2+ and Au+. Under optimal conditions, the proposed fluorescent probe exhibited a linear relationship with Hg2+ concentration within the range of 2-200 nM (R2 = 0.9960). In addition, the limit of detection (LOD) was 0.0158 nM, which is below the Chinese standard value of 25 nM for Hg2+ in food. Furthermore, the apt-AuNCs were applied to detect Hg2+ in spinach and crawfish samples, with recovery percentages of 91.99%∼108.06%, meaning that apt-AuNCs could be used as a promising probe to detect Hg2+ in complex food samples.
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Affiliation(s)
- Ying Wang
- National Engineering Laboratory for Deep Processing of Rice and By-products, Hunan Key Laboratory of Processed Food for Special Medical Purpose, Hunan Key Laboratory of Forestry Edible Sources Safety and Processing, College of Food Science and Engineering, Central South University of Forestry and Technology, Hunan Provincial Key Laboratory of Food Safety Monitoring and Early Warning, Hunan Institute Food Quality Supervision Inspection and Research, Changsha 410004, PR China.
| | - Yinyu Xu
- Research Institute of Commodity Quality Inspection in Hunan, Changsha, 410004, PR China
| | - Ruina Jiang
- National Engineering Laboratory for Deep Processing of Rice and By-products, Hunan Key Laboratory of Processed Food for Special Medical Purpose, Hunan Key Laboratory of Forestry Edible Sources Safety and Processing, College of Food Science and Engineering, Central South University of Forestry and Technology, Hunan Provincial Key Laboratory of Food Safety Monitoring and Early Warning, Hunan Institute Food Quality Supervision Inspection and Research, Changsha 410004, PR China.
| | - Quanyong Dong
- National Engineering Laboratory for Deep Processing of Rice and By-products, Hunan Key Laboratory of Processed Food for Special Medical Purpose, Hunan Key Laboratory of Forestry Edible Sources Safety and Processing, College of Food Science and Engineering, Central South University of Forestry and Technology, Hunan Provincial Key Laboratory of Food Safety Monitoring and Early Warning, Hunan Institute Food Quality Supervision Inspection and Research, Changsha 410004, PR China.
| | - Yingying Sun
- National Engineering Laboratory for Deep Processing of Rice and By-products, Hunan Key Laboratory of Processed Food for Special Medical Purpose, Hunan Key Laboratory of Forestry Edible Sources Safety and Processing, College of Food Science and Engineering, Central South University of Forestry and Technology, Hunan Provincial Key Laboratory of Food Safety Monitoring and Early Warning, Hunan Institute Food Quality Supervision Inspection and Research, Changsha 410004, PR China.
| | - Wang Li
- National Engineering Laboratory for Deep Processing of Rice and By-products, Hunan Key Laboratory of Processed Food for Special Medical Purpose, Hunan Key Laboratory of Forestry Edible Sources Safety and Processing, College of Food Science and Engineering, Central South University of Forestry and Technology, Hunan Provincial Key Laboratory of Food Safety Monitoring and Early Warning, Hunan Institute Food Quality Supervision Inspection and Research, Changsha 410004, PR China.
| | - Ying Xiong
- National Engineering Laboratory for Deep Processing of Rice and By-products, Hunan Key Laboratory of Processed Food for Special Medical Purpose, Hunan Key Laboratory of Forestry Edible Sources Safety and Processing, College of Food Science and Engineering, Central South University of Forestry and Technology, Hunan Provincial Key Laboratory of Food Safety Monitoring and Early Warning, Hunan Institute Food Quality Supervision Inspection and Research, Changsha 410004, PR China.
| | - Yanni Chen
- National Engineering Laboratory for Deep Processing of Rice and By-products, Hunan Key Laboratory of Processed Food for Special Medical Purpose, Hunan Key Laboratory of Forestry Edible Sources Safety and Processing, College of Food Science and Engineering, Central South University of Forestry and Technology, Hunan Provincial Key Laboratory of Food Safety Monitoring and Early Warning, Hunan Institute Food Quality Supervision Inspection and Research, Changsha 410004, PR China.
| | - Sili Yi
- School of Chemistry and Materials Science, Huaihua University, Huaihua, 418000, PR China.
| | - Qian Wen
- National Engineering Laboratory for Deep Processing of Rice and By-products, Hunan Key Laboratory of Processed Food for Special Medical Purpose, Hunan Key Laboratory of Forestry Edible Sources Safety and Processing, College of Food Science and Engineering, Central South University of Forestry and Technology, Hunan Provincial Key Laboratory of Food Safety Monitoring and Early Warning, Hunan Institute Food Quality Supervision Inspection and Research, Changsha 410004, PR China.
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15
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Pei S, Li C, Pei X, Zhang X, Chi Y, Zeng W, Zhang Y, Liao X, Chen J. A fluorescent probe based on an enhanced ICT effect for Hg 2+ detection and cell imaging. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023. [PMID: 37323034 DOI: 10.1039/d3ay00544e] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The mercury ion (Hg2+) has hindered society to some extent due to its high biological toxicity, and a rapid method for Hg2+ detection is urgently needed. In the present work, two fluorescent probes, YF-Hg and YF-Cl-Hg, were developed. YF-Cl-Hg was produced by introducing an electron-withdrawing substituent (-Cl) into the structure of YF-Hg. The probe YF-Cl-Hg possesses a larger Stokes shift and a more pronounced UV-vis absorption redshift compared to YF-Hg in a pH = 7.4 environment. The reasons for the superior spectral performance of YF-Cl-Hg over YF-Hg were explored by density functional theory (DFT) calculations and UV-vis absorption spectroscopy. Furthermore, the good biocompatibility suggests that YF-Cl-Hg possesses the potential to be a tool for Hg2+ detection in cells.
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Affiliation(s)
- Shuchen Pei
- School of Chemistry and Chemical Engineering, Chongqing University of Science and Technology, Chongqing, 401331, China.
| | - Chaozheng Li
- School of Chemistry and Chemical Engineering, Chongqing University of Science and Technology, Chongqing, 401331, China.
| | - Xinyu Pei
- School of Chemistry and Chemical Engineering, Chongqing University of Science and Technology, Chongqing, 401331, China.
| | - Xiangyang Zhang
- College of Chemistry and Chemical Engineering, Hunan University of Arts and Science, Changde 415000, China
| | - Yuting Chi
- School of Chemistry and Chemical Engineering, Chongqing University of Science and Technology, Chongqing, 401331, China.
| | - Wenhong Zeng
- School of Chemistry and Chemical Engineering, Chongqing University of Science and Technology, Chongqing, 401331, China.
| | - Yuanyuan Zhang
- School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing, 401331, China
| | - Xiaoling Liao
- School of Metallurgy and Materials Engineering, Chongqing University of Science and Technology, Chongqing, 401331, China
| | - Jun Chen
- School of Chemistry and Chemical Engineering, Chongqing University of Science and Technology, Chongqing, 401331, China.
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16
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Li H, Tang Y, Shen K, Lu J, Zhang Z, Yi D, Hao N, Fu Q, Ye Z, Wei J, Wang J, Pan X, Wei S, Yang L. NIR squaraine dyes for dual colorimetric and fluorescent determination of Fe 3+, Cu 2+, and Hg 2+ ions. RSC Adv 2023; 13:17202-17211. [PMID: 37304769 PMCID: PMC10248542 DOI: 10.1039/d3ra02419a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 05/26/2023] [Indexed: 06/13/2023] Open
Abstract
Four benzoindolenine-based squaraine dyes (SQs), which have the advantages of intense visible and near-infrared (NIR) absorption and emission (λabs/max 663-695 nm, λem/max 686-730 nm) were synthesized and characterized by UV-vis absorption, fluorescent emission spectrophotometry, FTIR, NMR and HRMS analysis. Among them, BBSQ showed excellent performance, which exhibited high selectivity to Fe3+, Cu2+, and Hg2+ in acetonitrile solution even in the presence of other competitive metal ions, accompanied by obvious color change easily detected by the naked eye. The detection limit was 14.17 μM for Fe3+ and 6.06 μM for Cu2+. Most importantly, the response mechanism of BBSQ to Fe3+, Cu2+, and Hg2+ involves the coordination of BBSQ and metal ions through the O atom on the central squarate ring, N atom, and olefin π bond of BBSQ and has been demonstrated by Job's plot, FTIR, and 1H NMR titration analyses. Furthermore, BBSQ was applied successfully to detect Fe3+, Cu2+, and Hg2+ in thin-layer chromatography (TLC) plates with good precision and is quite promising for the quantitative detection of Fe3+ and Cu2+ ions in water samples.
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Affiliation(s)
- Huifang Li
- Green Pharmaceutical Technology Key Laboratory of Luzhou City, Central Nervous System Drug Key Laboratory of Sichuan Province, School of Pharmacy, Southwest Medical University Luzhou 646000 PR China
| | - Yiru Tang
- Green Pharmaceutical Technology Key Laboratory of Luzhou City, Central Nervous System Drug Key Laboratory of Sichuan Province, School of Pharmacy, Southwest Medical University Luzhou 646000 PR China
| | - Kunrong Shen
- Green Pharmaceutical Technology Key Laboratory of Luzhou City, Central Nervous System Drug Key Laboratory of Sichuan Province, School of Pharmacy, Southwest Medical University Luzhou 646000 PR China
| | - Ji Lu
- Green Pharmaceutical Technology Key Laboratory of Luzhou City, Central Nervous System Drug Key Laboratory of Sichuan Province, School of Pharmacy, Southwest Medical University Luzhou 646000 PR China
| | - Zhijie Zhang
- Green Pharmaceutical Technology Key Laboratory of Luzhou City, Central Nervous System Drug Key Laboratory of Sichuan Province, School of Pharmacy, Southwest Medical University Luzhou 646000 PR China
| | - Dong Yi
- Green Pharmaceutical Technology Key Laboratory of Luzhou City, Central Nervous System Drug Key Laboratory of Sichuan Province, School of Pharmacy, Southwest Medical University Luzhou 646000 PR China
| | - Na Hao
- Green Pharmaceutical Technology Key Laboratory of Luzhou City, Central Nervous System Drug Key Laboratory of Sichuan Province, School of Pharmacy, Southwest Medical University Luzhou 646000 PR China
| | - Qiang Fu
- Green Pharmaceutical Technology Key Laboratory of Luzhou City, Central Nervous System Drug Key Laboratory of Sichuan Province, School of Pharmacy, Southwest Medical University Luzhou 646000 PR China
| | - Zi Ye
- Green Pharmaceutical Technology Key Laboratory of Luzhou City, Central Nervous System Drug Key Laboratory of Sichuan Province, School of Pharmacy, Southwest Medical University Luzhou 646000 PR China
| | - Jun Wei
- Green Pharmaceutical Technology Key Laboratory of Luzhou City, Central Nervous System Drug Key Laboratory of Sichuan Province, School of Pharmacy, Southwest Medical University Luzhou 646000 PR China
| | - Jun Wang
- Green Pharmaceutical Technology Key Laboratory of Luzhou City, Central Nervous System Drug Key Laboratory of Sichuan Province, School of Pharmacy, Southwest Medical University Luzhou 646000 PR China
| | - Xianchao Pan
- Green Pharmaceutical Technology Key Laboratory of Luzhou City, Central Nervous System Drug Key Laboratory of Sichuan Province, School of Pharmacy, Southwest Medical University Luzhou 646000 PR China
| | - Siping Wei
- Green Pharmaceutical Technology Key Laboratory of Luzhou City, Central Nervous System Drug Key Laboratory of Sichuan Province, School of Pharmacy, Southwest Medical University Luzhou 646000 PR China
| | - Lin Yang
- Green Pharmaceutical Technology Key Laboratory of Luzhou City, Central Nervous System Drug Key Laboratory of Sichuan Province, School of Pharmacy, Southwest Medical University Luzhou 646000 PR China
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17
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Chen Y, Zheng S, Kim MH, Chen X, Yoon J. Recent progress of TP/NIR fluorescent probes for metal ions. Curr Opin Chem Biol 2023; 75:102321. [PMID: 37196449 DOI: 10.1016/j.cbpa.2023.102321] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 03/07/2023] [Accepted: 04/17/2023] [Indexed: 05/19/2023]
Abstract
Metal ions are of significance in various pathological and physiological processes. As such, it is crucial to monitor their levels in organisms. Two-photon (TP) and near-infrared (NIR) fluorescence imaging has been utilized to monitor metal ions because of minimal background interference, deeper tissue depth penetration, lower tissue self-absorption, and reduced photodamage. In this review, we briefly summarize recent progress from 2020 to 2022 of TP/NIR organic fluorescent probes and inorganic sensors in the detection of metal ions. Additionally, we present an outlook for the development of TP/NIR probes for bio-imaging, diagnosis of diseases, imaging-guided therapy, and activatable phototherapy.
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Affiliation(s)
- Yahui Chen
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul, 03760, South Korea; New and Renewable Energy Research Center, Ewha Womans University, Seoul, 03760, South Korea
| | - Shiyue Zheng
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing, 211816, China
| | - Myung Hwa Kim
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul, 03760, South Korea; New and Renewable Energy Research Center, Ewha Womans University, Seoul, 03760, South Korea
| | - Xiaoqiang Chen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, Nanjing, 211816, China
| | - Juyoung Yoon
- Department of Chemistry and Nanoscience, Ewha Womans University, Seoul, 03760, South Korea.
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18
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Sonkaya Ö, Ocakçı Ş, Toksoy A, Pamuk Algi M, Algi F. N-doped carbon nanomaterials as fluorescent pH and metal ion sensors for imaging. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 292:122412. [PMID: 36720189 DOI: 10.1016/j.saa.2023.122412] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 01/04/2023] [Accepted: 01/23/2023] [Indexed: 06/18/2023]
Abstract
Herein we describe the facile synthesis of new N-doped carbon nanoparticles (CNPs) obtained from 1,10-phenanthroline by the solvothermal method. Characterization of CNPs were carried out with transmission electron microscope (TEM), X-ray photoelectron spectra (XPS), Fourier transform infrared spectra (FTIR), UV-vis absorption spectra, and luminescence spectra. CNPs were pH sensitive and exploited as fluorescent chemosensors and imaging agents for Al(III) and Zn(II) ions in real-life samples. Remarkably, we show that CNPs can be used for the detection of Al(III) and Zn(II) ions in water samples. Accordingly, the results indicate that CNPs are highly effective in detecting Zn(II) content of cosmetic creams. We also demonstrated that the CNPs could be used for in vitro imaging of Al(III) and Zn(II) in Human Larynx Squamous Cell Carcinoma (Hep-2). Finally, Al(III) imaging in Angelica Officinalis root tissue was also achieved successfully. The CNPs are promising as luminescent multianalyte (pH, Al(III) and Zn(II)) sensors.
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Affiliation(s)
- Ömer Sonkaya
- Department of Chemistry & ASUBTAM M. Bilmez BioNanoTech Lab, Aksaray University, TR-68100 Aksaray, Turkey
| | - Şeyma Ocakçı
- Department of Biotechnology & ASUBTAM M. Bilmez BioNanoTech Lab, Aksaray University, TR-68100 Aksaray, Turkey
| | - Alihan Toksoy
- Department of Biotechnology & ASUBTAM M. Bilmez BioNanoTech Lab, Aksaray University, TR-68100 Aksaray, Turkey
| | - Melek Pamuk Algi
- Department of Chemistry & ASUBTAM M. Bilmez BioNanoTech Lab, Aksaray University, TR-68100 Aksaray, Turkey.
| | - Fatih Algi
- Department of Biotechnology & ASUBTAM M. Bilmez BioNanoTech Lab, Aksaray University, TR-68100 Aksaray, Turkey.
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19
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Guo WY, Fu YX, Mei LC, Chen Z, Zhang ZY, Wang F, Yang WC, Liu G, Yang GF. Rational Design of Esterase-Insensitive Fluorogenic Probes for In Vivo Imaging. ACS Sens 2023; 8:2041-2049. [PMID: 37146071 DOI: 10.1021/acssensors.3c00264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Small-molecule fluorogenic probes are indispensable tools for performing research in biomedical fields and chemical biology. Although numerous cleavable fluorogenic probes have been developed to investigate various bioanalytes, few of them meet the baseline requirements for in vivo biosensing for disease diagnosis due to their insufficient specificity resulted from the remarkable esterase interferences. To address this critical issue, we developed a general approach called fragment-based fluorogenic probe discovery (FBFPD) to design esterase-insensitive probes for in vitro and in vivo applications. With the designed esterase-insensitive fluorogenic probe, we successfully achieved light-up in vivo imaging and quantitative analysis of cysteine. This strategy was further extended to design highly specific fluorogenic probes for other representative targets, sulfites, and chymotrypsin. The present study expands the bioanalytical toolboxes available and offers a promising platform to develop esterase-insensitive cleavable fluorogenic probes for in vivo biosensing and bioimaging for the early diagnosis of diseases.
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Affiliation(s)
- Wu-Yingzheng Guo
- National Key Laboratory of Green Pesticide, Central China Normal University, Wuhan 430079, P.R. China
| | - Yi-Xuan Fu
- National Key Laboratory of Green Pesticide, Central China Normal University, Wuhan 430079, P.R. China
| | - Long-Can Mei
- National Key Laboratory of Green Pesticide, Central China Normal University, Wuhan 430079, P.R. China
| | - Zhao Chen
- National Key Laboratory of Green Pesticide, Central China Normal University, Wuhan 430079, P.R. China
| | - Zi-Ye Zhang
- National Key Laboratory of Green Pesticide, Central China Normal University, Wuhan 430079, P.R. China
| | - Fan Wang
- National Key Laboratory of Green Pesticide, Central China Normal University, Wuhan 430079, P.R. China
| | - Wen-Chao Yang
- National Key Laboratory of Green Pesticide, Central China Normal University, Wuhan 430079, P.R. China
| | - Guozhen Liu
- School of Medicine, The Chinese University of Hong Kong, Shenzhen 518172, P.R. China
| | - Guang-Fu Yang
- National Key Laboratory of Green Pesticide, Central China Normal University, Wuhan 430079, P.R. China
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20
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Liu F, Yuan Y, Zhang W, Fu Y, Yang M, Yang G, Liu H, Shen H, Li L. A highly sensitive and specific fluorescent strategy for the detection of Visfatin based on nonlinear hybridization chain reaction. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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21
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Visible Light Driven Photocatalytic Degradation of Norfloxacin Using 3D Supramolecular Compounds. J CLUST SCI 2023. [DOI: 10.1007/s10876-023-02412-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
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22
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An Anthracene and Indole-based Fluorescent Probe for the Detection of Chromium(III) Ions in Real Water Samples. J Fluoresc 2023; 33:185-190. [PMID: 36323831 DOI: 10.1007/s10895-022-03041-x] [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: 08/08/2022] [Accepted: 10/12/2022] [Indexed: 02/02/2023]
Abstract
A novel fluorescent probe possessing anthracene with an indole unit was designed and synthesized to detect chromium(III) ions (Cr3+) with high sensitivity and selectivity. The probe was synthesized in one step by mixing two commercially available chemicals, 2-aminoanthracene and Indole-5-carboxaldehyde. The probe molecule (ANT-In) demonstrates distinct properties, for instance, "turn-on" fluorescence response, high sensitivity and selectivity in less than one minute, and low detection limit (0.2 µM) via hydrolysis of the C = N bond. Additionally, the probe ANT-In was successfully used to identify the presence of chromium(III) ions in real water samples.
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23
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Li Y, Sun X, Hu X, Ren Y, Zhong K, Yan X, Tang L. Synthesis of Triphenylamine Derivative and Its Recognition for Hg 2+ with “OFF-ON” Fluorescence Response Based on Aggregation-Induced Emission (AIE) Mechanism. CHINESE J ORG CHEM 2023. [DOI: 10.6023/cjoc202206043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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24
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Juvekar V, Lee HW, Lee DJ, Kim HM. Two-photon fluorescent probes for quantitative bio-imaging analysis in live tissues. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116787] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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25
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Chopra T, Sasan S, Devi L, Parkesh R, Kapoor KK. A comprehensive review on recent advances in copper sensors. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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26
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Wang X, Luo G, Zhang L, Zheng J, Li X, Tao Z, Zhang Q. Study on the recognition of psoralen and psoralen@cucurbit[8]uril fluorescent probe for Fe3+ ions. J INCL PHENOM MACRO 2022. [DOI: 10.1007/s10847-022-01169-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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27
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Li Z, Hou JT, Wang S, Zhu L, He X, Shen J. Recent advances of luminescent sensors for iron and copper: Platforms, mechanisms, and bio-applications. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214695] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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28
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Design of NIR-II high performance organic small molecule fluorescent probes and summary of their biomedical applications. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214609] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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29
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Shen Y, Nie C, Wei Y, Zheng Z, Xu ZL, Xiang P. FRET-based innovative assays for precise detection of the residual heavy metals in food and agriculture-related matrices. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214676] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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30
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Liu Y, Zhou Y, Li H, Gao J, Yang M, Yuan Z, Li X. Near-Infrared Turn-On Fluorescent Probe for Aqueous Fluoride Ion Detection and Cell Imaging. ACS OMEGA 2022; 7:34317-34325. [PMID: 36188237 PMCID: PMC9520557 DOI: 10.1021/acsomega.2c03875] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 09/02/2022] [Indexed: 06/16/2023]
Abstract
Fluoride ions are one of the most essential anions in the human body and have been implicated in various pathological and physiological processes. The detection of fluoride ions in aqueous solution, as well as the imaging of fluoride ions in living cells, remains a challenge. We herein report a BODIPY-based fluorescent probe employing a pinacol borate group as the recognition moiety for the detection of fluoride ions in aqueous solutions. This probe shows high selectivity and sensitivity to fluoride ions with a significant near-infrared fluorescence turn-on response. In addition, this probe was successfully employed in fluorescence bioimaging of fluoride ions in the human cervical cancer cell and mouse mammary cancer cell, demonstrating its good cell permeability and stability under physiological conditions.
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Affiliation(s)
- Yan Liu
- College
of Pharmacy, Zunyi Medical University, Zunyi, Guizhou 563003, China
- Key
Laboratory of Basic Pharmacology of Ministry of Education and Joint
International Research Laboratory of Ethnomedicine of Ministry of
Education, Zunyi Medical University, Zunyi, Guizhou 563000, China
- Guizhou
International Scientific and Technological Cooperation Base for Medical
Photo-Theranostics Technology and Innovative Drug Development, Zunyi, Guizhou 563003, China
| | - Yaping Zhou
- College
of Pharmacy, Zunyi Medical University, Zunyi, Guizhou 563003, China
| | - Hongyu Li
- College
of Pharmacy, Zunyi Medical University, Zunyi, Guizhou 563003, China
- Key
Laboratory of Basic Pharmacology of Ministry of Education and Joint
International Research Laboratory of Ethnomedicine of Ministry of
Education, Zunyi Medical University, Zunyi, Guizhou 563000, China
- Guizhou
International Scientific and Technological Cooperation Base for Medical
Photo-Theranostics Technology and Innovative Drug Development, Zunyi, Guizhou 563003, China
| | - Jie Gao
- College
of Pharmacy, Zunyi Medical University, Zunyi, Guizhou 563003, China
- Key
Laboratory of Basic Pharmacology of Ministry of Education and Joint
International Research Laboratory of Ethnomedicine of Ministry of
Education, Zunyi Medical University, Zunyi, Guizhou 563000, China
- Guizhou
International Scientific and Technological Cooperation Base for Medical
Photo-Theranostics Technology and Innovative Drug Development, Zunyi, Guizhou 563003, China
| | - Mingyan Yang
- College
of Pharmacy, Zunyi Medical University, Zunyi, Guizhou 563003, China
- Key
Laboratory of Basic Pharmacology of Ministry of Education and Joint
International Research Laboratory of Ethnomedicine of Ministry of
Education, Zunyi Medical University, Zunyi, Guizhou 563000, China
- Guizhou
International Scientific and Technological Cooperation Base for Medical
Photo-Theranostics Technology and Innovative Drug Development, Zunyi, Guizhou 563003, China
| | - Zeli Yuan
- College
of Pharmacy, Zunyi Medical University, Zunyi, Guizhou 563003, China
- Key
Laboratory of Basic Pharmacology of Ministry of Education and Joint
International Research Laboratory of Ethnomedicine of Ministry of
Education, Zunyi Medical University, Zunyi, Guizhou 563000, China
- Guizhou
International Scientific and Technological Cooperation Base for Medical
Photo-Theranostics Technology and Innovative Drug Development, Zunyi, Guizhou 563003, China
| | - Xinmin Li
- College
of Pharmacy, Zunyi Medical University, Zunyi, Guizhou 563003, China
- Key
Laboratory of Basic Pharmacology of Ministry of Education and Joint
International Research Laboratory of Ethnomedicine of Ministry of
Education, Zunyi Medical University, Zunyi, Guizhou 563000, China
- Guizhou
International Scientific and Technological Cooperation Base for Medical
Photo-Theranostics Technology and Innovative Drug Development, Zunyi, Guizhou 563003, China
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31
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Shu L, Shang Z, Li J, Gao Y, Bi W. A dual-response triphenylamine-based fluorescent probe for selective sensing of copper(II) and nitric oxide in live cells. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.134032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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32
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Qiu Z, Yu X, Zhang J, Xu C, Gao M, Cheng Y, Zhu M. Fibrous aggregates: Amplifying aggregation-induced emission to boost health protection. Biomaterials 2022; 287:121666. [PMID: 35835002 PMCID: PMC9250848 DOI: 10.1016/j.biomaterials.2022.121666] [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: 05/03/2022] [Revised: 06/25/2022] [Accepted: 06/29/2022] [Indexed: 11/17/2022]
Abstract
Environmental monitoring and personal protection are critical for preventing and for protecting human health during all infectious disease outbreaks (including COVID-19). Fluorescent probes combining sensing, imaging and therapy functions, could not only afford direct visualizing existence of biotargets and monitoring their dynamic information, but also provide therapeutic functions for killing various bacteria or viruses. Luminogens with aggregation-induced emission (AIE) could be well suited for above requirements because of their typical photophysical properties and therapeutic functions. Integration of these molecules with fibers or textiles is of great interest for developing flexible devices and wearable systems. In this review, we mainly focus on how fibers and AIEgens to be combined for health protection based on the latest advances in biosensing and bioprotection. We first discuss the construction of fibrous sensors for visualization of biomolecules. Next recent advances in therapeutic fabrics for individual protection are introduced. Finally, the current challenges and future opportunities for "AIE + Fiber" in sensing and therapeutic applications are presented.
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Affiliation(s)
- Zhenduo Qiu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University. Shanghai, 201620, China
| | - Xiaoxiao Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University. Shanghai, 201620, China
| | - Junyan Zhang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University. Shanghai, 201620, China
| | - Chengjian Xu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University. Shanghai, 201620, China
| | - Mengyue Gao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University. Shanghai, 201620, China
| | - Yanhua Cheng
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University. Shanghai, 201620, China.
| | - Meifang Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University. Shanghai, 201620, China
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33
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Liu C, Zhu H, Zhang Y, Su M, Liu M, Zhang X, Wang X, Rong X, Wang K, Li X, Zhu B. Recent advances in Golgi-targeted small-molecule fluorescent probes. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214504] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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34
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Maurya YK, Chmielewski PJ, Cybińska J, Prajapati B, Lis T, Kang S, Lee S, Kim D, Stępień M. Naphthalimide-Fused Dipyrrins: Tunable Halochromic Switches and Photothermal NIR-II Dyes. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2105886. [PMID: 35174648 PMCID: PMC9259717 DOI: 10.1002/advs.202105886] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 01/18/2022] [Indexed: 06/14/2023]
Abstract
A family of tunable halochromic switches is developed using a naphthalimide-fused dipyrrin as the core π-conjugated motif. Electronic properties of these dipyrrins are tuned by substitution of their alpha and meso positions with aryl groups of variable donor-acceptor strength. The first protonation results in a conformational change that enhances electronic coupling between the dipyrrin chromophore and the meso substituent, leading to halochromic effects that occasionally exceed 200 nm and switch the absorption between the near-infrared (NIR)-I and NIR-II ranges. A NIR-II photothermal effect, switchable by acid-base chemistry is demonstrated for selected dipyrrins. Further protonation is possible for derivatives bearing additional amino groups, leading to up to four halochromic switching step. The most electron-rich dipyrrins are also susceptible to chemical oxidation, yielding NIR-absorbing radical cations and closed-shell dications.
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Affiliation(s)
- Yogesh Kumar Maurya
- Wydział ChemiiUniwersytet Wrocławskiul. F. Joliot‐Curie 14Wrocław50‐383Poland
| | | | - Joanna Cybińska
- Wydział ChemiiUniwersytet Wrocławskiul. F. Joliot‐Curie 14Wrocław50‐383Poland
- PORT – Polski Ośrodek Rozwoju Technologiiul. Stabłowicka 147Wrocław54‐066Poland
| | - Bibek Prajapati
- Wydział ChemiiUniwersytet Wrocławskiul. F. Joliot‐Curie 14Wrocław50‐383Poland
| | - Tadeusz Lis
- Wydział ChemiiUniwersytet Wrocławskiul. F. Joliot‐Curie 14Wrocław50‐383Poland
| | - Seongsoo Kang
- Department of Chemistry and Spectroscopy Laboratory for Functional π‐Electronic SystemsYonsei UniversitySeoul03722Korea
| | - Seokwon Lee
- PORT – Polski Ośrodek Rozwoju Technologiiul. Stabłowicka 147Wrocław54‐066Poland
| | - Dongho Kim
- Department of Chemistry and Spectroscopy Laboratory for Functional π‐Electronic SystemsYonsei UniversitySeoul03722Korea
| | - Marcin Stępień
- Wydział ChemiiUniwersytet Wrocławskiul. F. Joliot‐Curie 14Wrocław50‐383Poland
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35
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Zhong Q, Huang X, Zhang R, Zhang K, Liu B. Optical Sensing Strategies for Probing Single-Cell Secretion. ACS Sens 2022; 7:1779-1790. [PMID: 35709496 DOI: 10.1021/acssensors.2c00474] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Measuring cell secretion events is crucial to understand the fundamental cell biology that underlies cell-cell communication, migration, proliferation, and differentiation. Although strategies targeting cell populations have provided significant information about live cell secretion, they yield ensemble profiles that obscure intrinsic cell-to-cell variations. Innovation in single-cell analysis has made breakthroughs allowing accurate sensing of a wide variety of secretions and their release dynamics with high spatiotemporal resolution. This perspective focuses on the power of single-cell protocols to revolutionize cell-secretion analysis by allowing real-time and real-space measurements on single live cell resolution. We begin by discussing recent progress on single-cell bioanalytical techniques, specifically optical sensing strategies such as fluorescence-, surface plasmon resonance-, and surface-enhanced Raman scattering-based strategies, capable of in situ real-time monitoring of single-cell released ions, metabolites, proteins, and vesicles. Single-cell sensing platforms which allow for high-throughput high-resolution analysis with enough accuracy are highlighted. Furthermore, we discuss remaining challenges that should be addressed to get a more comprehensive understanding of secretion biology. Finally, future opportunities and potential breakthroughs in secretome analysis that will arise as a result of further development of single-cell sensing approaches are discussed.
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Affiliation(s)
- Qingmei Zhong
- Department of Chemistry, Shanghai Stomatological Hospital, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Xuedong Huang
- Department of Chemistry, Shanghai Stomatological Hospital, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Rongrong Zhang
- Department of Chemistry, Shanghai Stomatological Hospital, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Kun Zhang
- Shanghai Institute for Pediatric Research, Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Baohong Liu
- Department of Chemistry, Shanghai Stomatological Hospital, State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
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36
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Recent Progress of Squaraine-Based Fluorescent Materials and Their Biomedical Applications. Symmetry (Basel) 2022. [DOI: 10.3390/sym14050966] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Squaraines (SQs) are unusual cyanine dyes with a unique resonance-stabilized zwitterionic structure. These dyes have attracted significant attention in the fields of organic electronics and organic photonics, due to their facile synthesis, intense and narrow visible and near-infrared absorption/emission, high photostability, low biotoxicity, etc. In this review, we summarize the recent progress of SQ-based fluorescent materials and their biomedical applications. After a brief introduction to SQs, general synthetic routes and design principles of SQ-based fluorescent materials, as well as their aggregation-induced luminescence behaviors, are discussed. Subsequently, their biomedical applications for cell imaging and as fluorescent sensors and therapeutic agents are introduced. Finally, a summary and perspective are given for promoting the development of SQs-based fluorescent materials.
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37
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Yan L, Yang H, Li J, Zhou C, Li L, Wu X, Lei C. A near infrared fluorescent probe for detection and bioimaging of zinc ions and hypochloric acid. Anal Chim Acta 2022; 1206:339750. [DOI: 10.1016/j.aca.2022.339750] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Accepted: 03/20/2022] [Indexed: 12/12/2022]
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38
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AbhijnaKrishna R, Velmathi S. A review on fluorimetric and colorimetric detection of metal ions by chemodosimetric approach 2013–2021. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214401] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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39
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Goel A, Tomer N, Bhalla P, Malhotra R. Pyranone based probe for the selective and specific recognition of zinc ions. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.120828] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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40
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Peng Y, Xu M, Yang H, Zhou Y. A double signal amplification strategy for sensitive detection of Hg 2+ based on exonuclease III and PCR. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 271:120957. [PMID: 35121471 DOI: 10.1016/j.saa.2022.120957] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 01/19/2022] [Accepted: 01/24/2022] [Indexed: 06/14/2023]
Abstract
A double signal amplification method was developed for sensitive detection of Hg2+ based on exonuclease III (Exo III) and Polymerase Chain Reaction (PCR). In the presence of Hg2+, the ineffective primers could bind with helper DNA to form dsDNA by T-Hg(II)-T mismatch for the first signal amplification. Then, the ineffective primers were digested by Exo III to effective primers which initiate PCR reaction for the second signal amplification. This conversion from ineffective to effective primers for triggering PCR reaction has not been reported for the detection of Hg2+. Through the double signal amplification strategy, the sensitivity of this proposed method was significantly improved with the limit of detection 1.46 nM. With the specific T-Hg(II)-T recognition, the selectivity of this new method was satisfactory. And the recoveries were between 92.3 % and 109.0 %. These results suggested that the proposed method was reliable to detect Hg2+ in water samples.
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Affiliation(s)
- Yu Peng
- College of Life Science, Yangtze University, 266 Jingmi Road, Jingzhou, Hubei 434025, China
| | - Mingming Xu
- College of Life Science, Yangtze University, 266 Jingmi Road, Jingzhou, Hubei 434025, China
| | - Hualin Yang
- College of Life Science, Yangtze University, 266 Jingmi Road, Jingzhou, Hubei 434025, China; State Environmental Protection Key Laboratory of Synergetic Control and Joint Remediation for Soil &Water Pollution, Chengdu University of Technology, Chengdu, Sichuan 610059, China.
| | - Yu Zhou
- College of Life Science, Yangtze University, 266 Jingmi Road, Jingzhou, Hubei 434025, China; College of Animal Science, Yangtze University, 266 Jingmi Road, Jingzhou, Hubei 434025, China.
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41
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Li Y, Chen Q, Pan X, Lu W, Zhang J. Development and Challenge of Fluorescent Probes for Bioimaging Applications: From Visualization to Diagnosis. Top Curr Chem (Cham) 2022; 380:22. [PMID: 35412098 DOI: 10.1007/s41061-022-00376-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 02/15/2022] [Indexed: 11/24/2022]
Abstract
Fluorescent probes have been used widely in bioimaging, including biological substance detection, cell imaging, in vivo biochemical reaction process tracking, and disease biomarker monitoring, and have gradually occupied an indispensable position. Compared with traditional biological imaging technologies, such as positron emission tomography (PET) and nuclear magnetic resonance imaging (MRI), the attractive advantages of fluorescent probes, such as real-time imaging, in-depth visualization, and less damage to biological samples, have made them increasingly popular. Among them, ultraviolet-visible (UV-vis) fluorescent probes still occupy the mainstream in the field of fluorescent probes due to the advantages of available structure, simple synthesis, strong versatility, and wide application. In recent years, fluorescent probes have become an indispensable tool for bioimaging and have greatly promoted the development of diagnostics. In this review, we focus on the structure, design strategies, advantages, representative probes and latest discoveries in application fields of UV-visible fluorescent probes developed in the past 3-5 years based on several fluorophores. We look forward to future development trends of fluorescent probes from the perspective of bioimaging and diagnostics. This comprehensive review may facilitate the development of more powerful fluorescent sensors for broad and exciting applications in the future.
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Affiliation(s)
- Yanchen Li
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Qinhua Chen
- Department of Pharmacy, Shenzhen Baoan Authentic TCM Therapy Hospital, Shenzhen, 518101, China
| | - Xiaoyan Pan
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China
| | - Wen Lu
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China.
| | - Jie Zhang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, China.
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42
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Ultrasensitive Detection and High-Contrast Bioimaging of Hg2+ Using Monothiosquaraine-Based Fluorescent Probe via Hydrogen Bond Promoted Desulfurization. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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43
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Meng Q, Wu M, Shang Z, Zhang Z, Zhang R. Responsive gadolinium(III) complex-based small molecule magnetic resonance imaging probes: Design, mechanism and application. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2021.214398] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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44
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Liu Y, Teng L, Yin B, Meng H, Yin X, Huan S, Song G, Zhang XB. Chemical Design of Activatable Photoacoustic Probes for Precise Biomedical Applications. Chem Rev 2022; 122:6850-6918. [PMID: 35234464 DOI: 10.1021/acs.chemrev.1c00875] [Citation(s) in RCA: 65] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Photoacoustic (PA) imaging technology, a three-dimensional hybrid imaging modality that integrates the advantage of optical and acoustic imaging, has great application prospects in molecular imaging due to its high imaging depth and resolution. To endow PA imaging with the ability for real-time molecular visualization and precise biomedical diagnosis, numerous activatable molecular PA probes which can specifically alter their PA intensities upon reacting with the targets or biological events of interest have been developed. This review highlights the recent developments of activatable PA probes for precise biomedical applications including molecular detection of the biotargets and imaging of the biological events. First, the generation mechanism of PA signals will be given, followed by a brief introduction to contrast agents used for PA probe design. Then we will particularly summarize the general design principles for the alteration of PA signals and activatable strategies for developing precise PA probes. Furthermore, we will give a detailed discussion of activatable PA probes in molecular detection and biomedical imaging applications in living systems. At last, the current challenges and outlooks of future PA probes will be discussed. We hope that this review will stimulate new ideas to explore the potentials of activatable PA probes for precise biomedical applications in the future.
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Affiliation(s)
- Yongchao Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Lili Teng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Baoli Yin
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Hongmin Meng
- College of Chemistry, Green Catalysis Center, Zhengzhou University, Zhengzhou 450001, China
| | - Xia Yin
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Shuangyan Huan
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Guosheng Song
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Xiao-Bing Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
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45
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Tomer N, Malhotra R. Schiff base as a fluorescent sensor derived from chromone moiety for the effective detection of Zn (II) ions. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.132124] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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46
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Ali M, Memon N, Ali M, Chana AS, Gaur R, Jiahai Y. Recent development in fluorescent probes for copper ion detection. Curr Top Med Chem 2022; 22:835-854. [DOI: 10.2174/1568026622666220225153703] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 12/01/2021] [Accepted: 12/27/2021] [Indexed: 11/22/2022]
Abstract
Abstract:
Copper is the third most common heavy metal and an indispensable component of life. Variations of body copper levels, both structural and cellular, are related to a number of disorders; consequently, pathophysiological importance of copper ions demands the development of sensitivity and selective for detecting these organisms in biological systems. In recent years, the area of fluorescent sensors for detecting copper metal ions has seen revolutionary advances. Consequently, closely related fields have raised awareness of several diseases linked to copper fluctuations. Further developments in this field of analysis could pave the way for new and innovative treatments to combat these diseases. This review reports on recent progress in the advancement of three fields of fluorescent probes; chemodosimeters, near IR fluorescent probes, and ratiometric fluorescent probes. Methods used to develop these fluorescent probes and the mechanisms that govern their reaction to specific analytes and their applications in studying biological systems, are also given.
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Affiliation(s)
- Mukhtiar Ali
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing China
- Department of Chemical Engineering, Quaid-e-Awam University of Engineering Science and Technology, Pakistan
| | - Najma Memon
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, Pakistan
| | - Manthar Ali
- School of Public Health, Zhengzhou University, Zhengzhou, Henan, China
| | - Abdul Sami Chana
- Department of Chemical Engineering, Quaid-e-Awam University of Engineering Science and Technology, Pakistan
| | - Rashmi Gaur
- Natural Products Laboratory, International Joint Laboratory of tea Chemistry and Health Effects, State Key Laboratory of Tea Plant Biology and Utilization, Anhui Agricultural University, Hefei 230036, China
| | - Ye Jiahai
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing China
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47
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Subedi DR, Reid R, D'Souza PF, Nesterov VN, D'Souza F. Singlet Oxygen Generation in Peripherally Modified Platinum and Palladium Porphyrins: Effect of Triplet Excited State Lifetimes and meso-Substituents on 1 O 2 Quantum Yields. Chempluschem 2022; 87:e202200010. [PMID: 35289130 DOI: 10.1002/cplu.202200010] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/21/2022] [Indexed: 02/21/2024]
Abstract
A series of meso-substituted with aromatic (=tolyl, pyrenyl, fluorenyl, naphthyl, and triphenylamine) substituents, platinum (Pt), and palladium (Pd) porphyrins have been synthesized and characterized by spectroscopic and single-crystal X-ray diffraction studies to probe structure-reactivity aspects on the electrochemical redox potentials, and phosphorescence quantum yields and lifetimes. In the X-ray structures, the aromatic meso-substituents were rotated to some extent from the planarity of the porphyrin ring to minimize steric hindrance. Both Pt and Pd porphyrins revealed higher electrochemical redox gaps as compared to their free-base porphyrin analogs as a result of the harder oxidation and reduction processes. The ability of both Pt and Pd porphyrins to generate singlet oxygen was probed by monitoring the photoluminescence of 1 O2 at 1270 nm. Higher quantum yields for both triplet sensitizers compared to their free-base analogs were witnessed. Singlet oxygen quantum yields close to unity were possible to achieve in the case of Pt and Pd porphyrins bearing triphenylamine substituents at the meso-position. The present study brings out the importance of different meso-substituents on the triplet porphyrin sensitizers in governing singlet oxygen quantum yields; a key property of photosensitizers needed for photodynamic therapy, chemical synthesis, and other pertinent applications.
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Affiliation(s)
- Dili R Subedi
- Department of Chemistry, University of North Texas, 1155 Union Circle, #305070, Denton, TX 76203-5017, USA
| | - Ryan Reid
- Department of Chemistry, University of North Texas, 1155 Union Circle, #305070, Denton, TX 76203-5017, USA
| | - Patrick F D'Souza
- Department of Chemistry, University of North Texas, 1155 Union Circle, #305070, Denton, TX 76203-5017, USA
| | - Vladimir N Nesterov
- Department of Chemistry, University of North Texas, 1155 Union Circle, #305070, Denton, TX 76203-5017, USA
| | - Francis D'Souza
- Department of Chemistry, University of North Texas, 1155 Union Circle, #305070, Denton, TX 76203-5017, USA
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48
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Liu Q, Liu C, Cai S, He S, Zhao L, Zeng X, Gong J. A highly sensitive sensor for colorimetric detection of palladium(II) in lysosomes and its applications. Dalton Trans 2022; 51:3116-3121. [PMID: 35137740 DOI: 10.1039/d1dt03900h] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Considering the scarcity of palladium ion probes with subcellular organelle targeting, especially probes with near-infrared (NIR) emission wavelength fluorophores, our group has been working to overcome this problem and looking forward to providing potential practical tools for exploring the toxicity of palladium ions at the subcellular level. In this paper, a novel colorimetric and NIR fluorescent probe, BHCy-Pd, for the specific detection of palladium ions (Pd2+) in lysosomes via an internal charge-transfer (ICT) mechanism was designed and synthesized. As expected, BHCy-Pd exhibited a rapid, selective, and sensitive response for palladium with an ultralow limit of detection at 5.9 nM, accompanied by a distinct color change from purple to blue. Furthermore, BHCy-Pd can be made into a simple test strip for rapid and easy detection of Pd2+ in practical applications. Importantly, BHCy-Pd is capable of specific distribution in lysosomes, and thus can detect Pd2+ in real-time, thereby providing a potential tool for studying the cytotoxicity of Pd2+ ions at the subcellular level.
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Affiliation(s)
- Qiuchen Liu
- Tianjin Key Laboratory for Photoelectric Materials and Devices, School of Materials Science & Engineering, Tianjin University of Technology, Tianjin, 300384, P. R. China. .,School of Chemical Engineering and Technology, Tianjin University, Tianjin, 300072, P. R. China
| | - Chang Liu
- Tianjin Key Laboratory for Photoelectric Materials and Devices, School of Materials Science & Engineering, Tianjin University of Technology, Tianjin, 300384, P. R. China.
| | - Songtao Cai
- Center for Biomedical Photonics & College of Physics and Optoelectronic Engineering, Key Laboratory of Optoelectronic Devices and Systems, Shenzhen University, Shenzhen 518060, P. R. China
| | - Song He
- Tianjin Key Laboratory for Photoelectric Materials and Devices, School of Materials Science & Engineering, Tianjin University of Technology, Tianjin, 300384, P. R. China.
| | - Liancheng Zhao
- Tianjin Key Laboratory for Photoelectric Materials and Devices, School of Materials Science & Engineering, Tianjin University of Technology, Tianjin, 300384, P. R. China. .,School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, 150001, P. R. China
| | - Xianshun Zeng
- Tianjin Key Laboratory for Photoelectric Materials and Devices, School of Materials Science & Engineering, Tianjin University of Technology, Tianjin, 300384, P. R. China. .,School of Materials Science and Engineering, Harbin Institute of Technology, Harbin, 150001, P. R. China
| | - Jin Gong
- School of Pharmacy, Weifang Medical University, Weifang, 261053, P. R. China. .,Tianjin Key Laboratory for Photoelectric Materials and Devices, School of Materials Science & Engineering, Tianjin University of Technology, Tianjin, 300384, P. R. China.
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49
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Liu C, Zhang D, Ye S, Chen T, Liu R. D-π-A structure fluorophore: NIR emission, response to viscosity, detection cyanide and bioimaging of lipid droplets. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 267:120593. [PMID: 34789405 DOI: 10.1016/j.saa.2021.120593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 10/29/2021] [Accepted: 11/03/2021] [Indexed: 06/13/2023]
Abstract
Intracellular viscosity, an important microenvironment factor, is closely involved in various cell processes as well as diseases. On the other hand, cyanide is one of the most hazardous chemicals for human health and environments. However, a NIR fluorescent probe for both response to viscosity and detection of cyanide remains vacant. Herein, we reported a D-π-A structure fluorophore (named CTR) which exhibited NIR emission and fluorescent enhancement response to viscosity via the molecular rotor strategy. Furthermore, CTR displayed fluorescent and colorimetric response to cyanide. Notably, test strips stained with CTR were fabricated, which could serve as an efficient and suitable cyanide test kit. Moreover, CTR could selectively accumulate in lipid droplets and visualize the metabolism of lipid droplets in live cells. These findings would provide new avenue to design fluorescent probe for effective response to viscosity, detection of cyanide, and bioimaging of lipid droplets in live cells.
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Affiliation(s)
- Chuang Liu
- Guangdong Provincial Key Laboratory of Medical Image Processing, School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, PR China
| | - Di Zhang
- Guangdong Provincial Key Laboratory of Medical Image Processing, School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, PR China
| | - Sheng Ye
- Guangdong Provincial Key Laboratory of Medical Image Processing, School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, PR China
| | - Tong Chen
- Department of Urology, Nanfang Hospital, Southern Medical University, Guangzhou 510515, PR China
| | - Ruiyuan Liu
- Guangdong Provincial Key Laboratory of Medical Image Processing, School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, PR China.
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50
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Development of Cyanine 813@Imidazole-Based Doped Supported Devices for Divalent Metal Ions Detection. CHEMOSENSORS 2022. [DOI: 10.3390/chemosensors10020080] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A NIR cyanine@imidazole derivative Cy1 was synthesized and evaluated as a metal ion sensor in solution. Cy1 was shown to be very sensitive to all metal ions tested, presenting a blue shift in the absorption from 668 nm to 633 nm, followed by a change in colour from pale green to blue with Zn2+, Cd2+, Co2+, Ni2+ and Hg2+ ions. Despite the blue shift in the absorption, a decrease at 633 nm (with a colour change from pale green to colourless), as well as a quenching in the emission intensity at 785 nm were observed for Cu2+ ions. The results show the formation of sandwich complexes of two ligands per metal ion with the highest association constant observed for Cu2+ (Log Kass.abs = 14.76 ± 0.09; Log Kass.emis. = 14.79 ± 0.06). The minimal detectable amounts were found to be 31 nM and 37 nM, with a naked eye detection of 2.9 ppm and 2.1 ppm for Hg2+ and Cu2+ ions, respectively. These results prompted us to explore the applicability of Cy1 by its combination with nanomaterials. Thus, Cy1@ doped MNs and Cy1@ doped PMMA nanoparticles were synthesized. Both nanosystems were shown to be very sensitive to Cu2+ ions in water, allowing a naked-eye detection of at least 1 ppm for Cy1@ doped MNs and 7 ppm for Cy1@ doped PMMA. This colourimetric response is an easy and inexpensive way to assess the presence of metals in aqueous media with no need for further instrumentation.
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