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Kim KR, Oh J, Hong JI. A photoluminescent and electrochemiluminescent probe based on an iridium(III) complex with a boronic acid-functionalised ancillary ligand for the selective detection of mercury(II) ions. Analyst 2023; 148:5619-5626. [PMID: 37840468 DOI: 10.1039/d3an01266b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2023]
Abstract
Exposure to mercury(II) ions (Hg2+) can cause various diseases such as Minamata disease, acrodynia, Alzheimer's disease, and Hunter-Russell syndrome, and even organ damage. Therefore, real-time and accurate monitoring of Hg2+ in environmental samples is crucial. In this study, we report a photoluminescent (PL) and electrochemiluminescent (ECL) probe based on a cyclometalated Ir(III) complex for the selective detection of Hg2+. The introduction of a reaction site, o-aminomethylphenylboronic acid, on the ancillary ligands allowed a prompt transmetalation reaction to take place between Hg2+ and boronic acid. This reaction resulted in significant decreases of the PL and ECL signals due to the photo-induced electron transfer from the Ir(III) complex to the Hg2+ ions. The probe was applied to the selective detection of Hg2+, and the signal changes revealed a linear correlation with Hg2+ concentrations in the range of 0-10 μM (LOD = 0.72 μM for PL, 8.03 nM for ECL). The designed probe allowed the successful quantification of Hg2+ in tap water samples, which proves its potential for the selective detection of Hg2+ in environmental samples.
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Affiliation(s)
- Kyoung-Rok Kim
- Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 151-747, Korea.
| | - Jinrok Oh
- Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 151-747, Korea.
| | - Jong-In Hong
- Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 151-747, Korea.
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2
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Affiliation(s)
- Shuwen Cheng
- Renmin University of China Ringgold standard institution – Department of Chemistry Zhongguancun street 59th Beijing 100872 China
| | - Li Zhang
- Renmin University of China Ringgold standard institution – Department of Chemistry Zhongguancun street 59th Beijing 100872 China
| | - Meining Zhang
- Renmin University of China Ringgold standard institution – Department of Chemistry Zhongguancun street 59th Beijing 100872 China
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Highly Selective Electrochemiluminescence Chemosensor for Sulfide Enabled by Hierarchical Reactivity. Anal Chem 2022; 94:5091-5098. [PMID: 35302353 DOI: 10.1021/acs.analchem.1c05317] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Hydrogen sulfide (H2S) is a well-known toxic gas with the odor of rotten eggs. Several reaction-based electrochemiluminescence (ECL) chemosensors for H2S have been developed; however, no homogeneous ECL probe with high selectivity toward H2S in aqueous media has been reported. Herein, we report an iridium(III) complex-based ECL chemodosimetric probe employing two 7-nitrobenz-2-oxa-1,3-diazol-4-yl (NBD) groups known as a photo-induced electron transfer quencher and a reaction site for the selective detection of H2S; the detection mechanism involves H2S being clearly distinguished from biothiols based on the different cleavage rates of the two NBD groups and extremely weak ECL interferences caused by reaction by-products. The probe was rationally designed to improve selectivity toward H2S within the ECL analysis platform by enabling the removal of nonspecific background signals observed via fluorescence analysis. This analytical system exhibited remarkable selectivity toward H2S, a rapid reaction rate, and high sensitivity (LOD = 57 nM) compared to conventional fluorescence methods. Furthermore, the probe could successfully quantify H2S in tap water samples and commercial ammonium sulfide solutions, which demonstrates the effectiveness of this probe in field monitoring.
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Shi H, Wang Y, Lin S, Lou J, Zhang Q. Recent development and application of cyclometalated iridium(III) complexes as chemical and biological probes. Dalton Trans 2021; 50:6410-6417. [PMID: 33900334 DOI: 10.1039/d1dt00592h] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Iridium complexes have been widely applied as molecular sensors because of their rich photophysical properties, including large Stokes shifts, long emission lifetimes, environment-sensitive emissions, and high luminescence quantum yields. In this paper, we review the recent development and application of iridium complexes as probes for ions, anions, gaseous species, organic molecules, small biomolecules, biomacromolecules, and subcellular organelles. Our outlook for iridium-based probes is also discussed.
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Affiliation(s)
- Hongdong Shi
- Graphene Composite Research Center, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, PR China.
| | - Yi Wang
- Graphene Composite Research Center, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, PR China.
| | - Simin Lin
- Graphene Composite Research Center, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, PR China.
| | - Jingxue Lou
- Graphene Composite Research Center, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, PR China.
| | - Qianling Zhang
- Graphene Composite Research Center, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, PR China.
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Pałasz A, Menezes IC, Worthington JJ. The role of brain gaseous neurotransmitters in anxiety. Pharmacol Rep 2021; 73:357-371. [PMID: 33713315 PMCID: PMC7994231 DOI: 10.1007/s43440-021-00242-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 02/12/2021] [Accepted: 02/20/2021] [Indexed: 12/14/2022]
Abstract
Although anxiety is perhaps one of the most significant current medical and social problems, the neurochemical mechanistic background of this common condition remains to be fully understood. Multifunctional regulatory gasotransmitters are novel, atypical inorganic factors of the brain that are involved in the mechanisms of anxiety responses. Nitric oxide (NO) signaling shows ambiguous action in animal models of anxiety, while NO donors exert anxiogenic or anxiolytic effect depending on their chemical structure, dose, treatment schedule and gas release rapidity. The majority of NO synthase inhibitors act as a relatively potent axiolytic agents, while hydrogen sulfide (H2S) and carbon monoxide (CO) delivered experimentally in the form of "slow" or "fast" releasing donors have recently been considered as anxiolytic neurotransmitters. In this comprehensive review we critically summarize the literature regarding the intriguing roles of NO, H2S and CO in the neuromolecular mechanisms of anxiety in the context of their putative, yet promising therapeutic application. A possible mechanism of gasotransmitter action at the level of anxiety-related synaptic transmission is also presented. Brain gasesous neuromediators urgently require further wide ranging studies to clarify their potential value for the current neuropharmacology of anxiety disorders.
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Affiliation(s)
- Artur Pałasz
- Department of Histology, School of Medical Sciences in Katowice, Medical University of Silesia, ul. Medyków 18, 40-752, Katowice, Poland.
| | - Itiana Castro Menezes
- Department of Neurosciences and Behavior, Faculty of Medicine, University of São Paulo, Av. Bandeirantes 3900, Ribeirão Preto, São Paulo, 14049-900, Brazil
| | - John J Worthington
- Division of Biomedical and Life Sciences, Faculty of Health and Medicine, Lancaster University, Lancaster, LA1 4YQ, UK
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Liu C, Liu J, Zhang W, Wang YL, Gao X, Song B, Yuan J, Zhang R. A Ruthenium(II) complex-based probe for colorimetric and luminescent detection and imaging of hydrogen sulfide in living cells and organisms. Anal Chim Acta 2021; 1145:114-123. [PMID: 33453872 DOI: 10.1016/j.aca.2020.11.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 10/10/2020] [Accepted: 11/08/2020] [Indexed: 02/07/2023]
Abstract
The development of reliable bioanalytical probes for sensitive and specific detection of hydrogen sulfide (H2S) plays important role for better understanding the roles of this biomolecule in living cells and organisms. Taking advantages of unique photophysical properties of ruthenium(II) (Ru(II)) complex, this work presents the development of a responsive Ru(II) complex probe, Ru-PNBD, for colorimetric and luminescent analysis of H2S in living cells and organisms. In aqueous solution, Ru-PNBD is yellow color and non-luminescent because of the photoinduced electron transfer (PET) process from Ru(II) complex luminophore to NBD moiety. The H2S-triggered specific nucleophilic substitution reaction with Ru-PNBD cleaves the NBD moiety to form pink NBD-SH and highly luminescent Ru-PH. The color of the solution thus changes from yellow to pink for colorimetric analysis and the emission intensity is about 65-fold increased for luminescent analysis. Ru-PNBD has high sensitivity and selectivity for H2S detection, low cytotoxicity and good permeability to cell membrane, which allow the application of this probe for H2S imaging in living cells, Daphnia magna, and larval zebrafish. Collectively, this work provides a useful tool for H2S analysis and expands the scope of transition metal complex probes.
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Affiliation(s)
- Chaolong Liu
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Jianping Liu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, Queensland, 4072, Australia
| | - Wenzhu Zhang
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Yong-Lei Wang
- Department of Materials and Environmental Chemistry, Stockholm University, Stockholm, 10691, Sweden
| | - Xiaona Gao
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Bo Song
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China
| | - Jingli Yuan
- State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, 116024, China.
| | - Run Zhang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, Queensland, 4072, Australia.
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Ibrahim H, Serag A, Farag MA. Emerging analytical tools for the detection of the third gasotransmitter H 2S, a comprehensive review. J Adv Res 2021; 27:137-153. [PMID: 33318873 PMCID: PMC7728591 DOI: 10.1016/j.jare.2020.05.018] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Revised: 05/15/2020] [Accepted: 05/15/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Hydrogen sulfide (H2S) is currently considered among the endogenously produced gaseous molecules that exert various signaling effects in mammalian species. It is the third physiological gasotransmitter discovered so far after NO and CO. H2S was originally ranked among the toxic gases at elevated levels to humans. Currently, it is well-known that, in the cardiovascular system, H2S exerts several cardioprotective effects including vasodilation, antioxidant regulation, inhibition of inflammation, and activation of anti-apoptosis. With an increasing interest in monitoring H2S, the development of analysis methods should now follow. AIM OF REVIEW This review stages special emphasis on the several analytical technologies used for its determination including spectroscopic, chromatographic, and electrochemical methods. Advantages and limitations with regards to the application of each technique are highlighted with special emphasis on its employment for H2S in vivo measurement i.e., biofluids, tissues. KEY SCIENTIFIC CONCEPTS AND IMPORTANT FINDINGS OF REVIEW Fluorescence methods applied for H2S measurement offer an attractive non-invasive and promising approach in addition to its selectivity, however they cannot be considered as H2S-specific probes. On the other hand, colorimetric assays are among the most common methods used for in vitro H2S detection, albeit their employment in vivo H2S measurement has not yet been possible . Separation techniques such as gas or liquid chromatography offer higher selectivity compared to direct spectrophotometric or fluorescence methods especially for suitable for endpoint H2S measurements i.e. plasma or tissue samples. Despite all the developed analytical procedures used for H2S determination, the need for highly selective, much work should be devoted to resolve all the pitfalls of the current methods.
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Affiliation(s)
- Hany Ibrahim
- Analytical Chemistry Department, Faculty of Pharmacy, Egyptian Russian University, Cairo 11829, Egypt
| | - Ahmed Serag
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Al-Azhar University, Cairo 11751, Egypt
| | - Mohamed A. Farag
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt
- Department of Chemistry, School of Sciences & Engineering, The American University in Cairo, New Cairo 11835, Egypt
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Kim T, Kim HJ, Shin IS, Hong JI. Potential-Dependent Electrochemiluminescence for Selective Molecular Sensing of Cyanide. Anal Chem 2020; 92:6019-6025. [DOI: 10.1021/acs.analchem.0c00297] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Taemin Kim
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Hoon Jun Kim
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Ik-Soo Shin
- Department of Chemistry and Department of ICMC Conversions Technology, Soongsil University, Seoul 06978, Republic of Korea
| | - Jong-In Hong
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
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Li X, Fan K, Yang R, Du X, Qu B, Miao X, Lu L. A long lifetime ratiometrically luminescent tetracycline nanoprobe based on Ir(III) complex-doped and Eu 3+-functionalized silicon nanoparticles. JOURNAL OF HAZARDOUS MATERIALS 2020; 386:121929. [PMID: 31895999 DOI: 10.1016/j.jhazmat.2019.121929] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 12/17/2019] [Accepted: 12/17/2019] [Indexed: 06/10/2023]
Abstract
Different from fluorescent dyes-doped or carbon materials-based ratiometric tetracycline nanoprobes, herein, a new Ir(III) complex-doped and europium(III) ion (Eu3+)-functionalized silicon nanoparticles (Ir(III)@SiNPs-Eu3+) with long luminescent lifetimes was firstly fabricated for selective detection of tetracycline (TC) in complex systems through time-resolved emission spectra (TRES) measurement. In the presence of TC, the red phosphorescence of Eu3+ is greatly enhanced by adsorption energy transfer emission (AETE) of TC, while the strong green luminescence of Ir(III)@SiNPs is quenched by the inner filtration effect (IFE) of TC. Based on these striking emission changes, Ir(III)@SiNPs-Eu3+ can sensitively detect TC in the linear range of 0.01-20 μM with a detection limit of 4.9 × 10-3 μM. Benefitting from the long lifetime of Ir(III)@SiNPs-Eu3+, the nanoprobe demonstrates excellent TC detection performance through TRES in high background system of 5 % human serum. Furthermore, the formed Ir(III)@SiNPs-Eu3+/TC complex can be used to sensitively recognize Hg2+ via a ratiometric luminescence mode. Notably, the cytotoxicity of Ir(III)@SiNPs-Eu3+ is very low and thus the sensitive monitoring the detection of Ir(III)@SiNPs-Eu3+ to TC and Hg2+ also works well in porcine renal cells, demonstrating high application potential in real samples.
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Affiliation(s)
- Xiaotong Li
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Kaimei Fan
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Ruimei Yang
- College of Veterinary Medicine, Qingdao Agricultural University, Qingdao 266109, China
| | - Xiuxiu Du
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Baohan Qu
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Xiangmin Miao
- School of Life Science, Jiangsu Normal University, Xuzhou 221116, China.
| | - Lihua Lu
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China.
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Sanner RD, Cherepy NJ, Pham HQ, Young VG. Phosphorescent heteroleptic iridium(III) cyclometallates: Improved syntheses of acetylacetonate complexes and quantum chemical studies of their excited state properties. Polyhedron 2020. [DOI: 10.1016/j.poly.2019.114256] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Bezner BJ, Ryan LS, Lippert AR. Reaction-Based Luminescent Probes for Reactive Sulfur, Oxygen, and Nitrogen Species: Analytical Techniques and Recent Progress. Anal Chem 2019; 92:309-326. [DOI: 10.1021/acs.analchem.9b04990] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Electrochemiluminescent Chemosensors for Clinical Applications: A Review. BIOCHIP JOURNAL 2019. [DOI: 10.1007/s13206-019-3301-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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