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Shi J, Tan H, Wang Z, Yang X, Rao X, Zhao P, Jiang Q. Phenanthroimidazole-based fluorescence probe for discriminative detecting of hydrazine and bisulfite and its applications in environmental samples. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 321:124747. [PMID: 38959694 DOI: 10.1016/j.saa.2024.124747] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2024] [Revised: 06/17/2024] [Accepted: 06/26/2024] [Indexed: 07/05/2024]
Abstract
Hydrazine (N2H4) and bisulfite (HSO3-) detection methods are urgently needed due to its harmful to the human health and environment safety. Herein, we reported a dual-response fluorescence probe EPC, which is capable of sequential detection of N2H4 and HSO3- by two different fluorescence signals. The probe EPC itself showed yellow florescence. In presence of N2H4, probe EPC exhibited an obviously fluorescence change (from yellow to green). However, a new addition product came into being after probe EPC mixed with HSO3-, followed with weak yellow emission. More important, probe EPC exhibited excellent fluorescence response properties for N2H4 and HSO3-, such as high sensitivity (0.182 µM for N2H4, 0.093 µM for HSO3-), rapid response (55 s for N2H4, 45 s for HSO3-), excellent selectivity and anti-interference performance. The sensing mechanisms for N2H4 and HSO3- were proved by 1H NMR and MS spectra. Practical applications were studied. EPC based test paper can be utilized for quantitative detecting N2H4 in actual water samples. And, probe EPC has been successfully applied to recognize N2H4 contaminant in soil samples. Moreover, EPC has great potential to be used to detect HSO3- in real food samples.
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Affiliation(s)
- Jiajun Shi
- Key Laboratory of State Forestry and Grassland Administration on Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China, Southwest Forestry University, Kunming 650224, PR China
| | - Haoxue Tan
- Key Laboratory of State Forestry and Grassland Administration on Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China, Southwest Forestry University, Kunming 650224, PR China
| | - Zhonglong Wang
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, PR China
| | - Xiaoqin Yang
- Key Laboratory of State Forestry and Grassland Administration on Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China, Southwest Forestry University, Kunming 650224, PR China
| | - Xiaoping Rao
- College of Chemical Engineering, Huaqiao University, Xiamen, 361021, PR China
| | - Ping Zhao
- Key Laboratory of State Forestry and Grassland Administration on Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China, Southwest Forestry University, Kunming 650224, PR China
| | - Qian Jiang
- Key Laboratory of State Forestry and Grassland Administration on Highly-Efficient Utilization of Forestry Biomass Resources in Southwest China, Southwest Forestry University, Kunming 650224, PR China.
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Liu FT, Zhai SM, Gao DF, Yang SH, Zhao BX, Lin ZM. A highly sensitive ratiometric fluorescent probe for detecting HSO 3-/SO 32- and viscosity change based on FRET/TICT mechanism. Anal Chim Acta 2024; 1305:342588. [PMID: 38677842 DOI: 10.1016/j.aca.2024.342588] [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: 02/23/2024] [Revised: 03/26/2024] [Accepted: 04/07/2024] [Indexed: 04/29/2024]
Abstract
BACKGROUND Sulfur dioxide (SO2) is a significant gas signaling molecule in organisms, and viscosity is a crucial parameter of the cellular microenvironment. They are both involved in regulating many physiological processes in the human body. However, abnormalities in SO2 and viscosity levels are associated with various diseases, such as cardiovascular disease, lung cancer, respiratory diseases, neurological disorders, diabetes and Alzheimer's disease. Hence, it is essential to explore novel and efficient fluorescent probes for simultaneously monitoring SO2 and viscosity in organisms. RESULTS We selected quinolinium salt with good stability, high fluorescence intensity, good solubility and low cytotoxicity as the fluorophore and developed a highly sensitive ratiometric probe QQD to identify SO2 and viscosity changes based on Förster resonance energy transfer/twisted intramolecular charge transfer (FRET/TICT) mechanism. Excitingly, compared with other probes for SO2 detection, QQD not only identified HSO3-/SO32- with a large Stokes shift (218 nm), low detection limit (1.87 μM), good selectivity, high energy transfer efficiency (92 %) and wide recognition range (1.87-200 μM), but also identified viscosity with a 26-fold fluorescence enhancement and good linearity. Crucially, QQD was applied to detect HSO3-/SO32- and viscosity in actual water and food samples. In addition, QQD had low toxicity and good photostability for imaging HSO3-/SO32- and viscosity in cells. These results confirmed the feasibility and reliability of QQD for HSO3-/SO32- and viscosity imaging and environmental detection. SIGNIFICANCE We reported a unique ratiometric probe QQD for detecting HSO3-/SO32- and viscosity based on the quinolinium skeleton. In addition to detecting HSO3-/SO32- and viscosity change in actual water and food samples, QQD could also monitor the variations of HSO3-/SO32- and viscosity in cells, which provided an experimental basis for further exploration of the role of SO2 derivatives and viscosity in biological systems.
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Affiliation(s)
- Feng-Ting Liu
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, PR China
| | - Shu-Mei Zhai
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, PR China.
| | - Dong-Fang Gao
- Institute of Medical Sciences, The Second Hospital of Shandong University, Jinan, 250033, PR China
| | - Shu-Hao Yang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, PR China
| | - Bao-Xiang Zhao
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, PR China
| | - Zhao-Min Lin
- Institute of Medical Sciences, The Second Hospital of Shandong University, Jinan, 250033, PR China.
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Liu FT, Jiang PF, Wang YP, Zhao BX, Lin ZM. A ratiometric fluorescent probe based on the FRET platform for the detection of sulfur dioxide derivatives and viscosity. Anal Chim Acta 2024; 1288:342184. [PMID: 38220311 DOI: 10.1016/j.aca.2023.342184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 12/25/2023] [Accepted: 12/26/2023] [Indexed: 01/16/2024]
Abstract
BACKGROUND Sulfur dioxide (SO2) is a common gaseous pollutant that significantly threatens environmental pollution and human health. Meanwhile, viscosity is an essential parameter of the intracellular microenvironment, manipulating many physiological roles such as nutrient transport, metabolism, signaling regulation and apoptosis. Currently, most of the fluorescent probes used for detecting SO2 derivatives and viscosity are single-emission probes or probes based on the ICT mechanism, which suffer from short emission wavelengths, small Stokes shifts or susceptibility to environmental background. Therefore, the development of powerful high-performance probes for real-time monitoring of sulfur dioxide derivatives and viscosity is of great significance for human health. RESULTS In this research, we designed the fluorescent probe QQC to detect SO2 derivatives and viscosity based on FRET platform with quinolinium salt as donor and quinolinium-carbazole as acceptor. QQC exhibited a ratiometric fluorescence response to SO2 with a low detection limit (0.09 μM), large Stokes shift (186 nm) and high energy transfer efficiency (95 %), indicating that probe QQC had good sensitivity and specificity. In addition, QQC was sensitive to viscosity, with an 9.10-folds enhancement of orange fluorescence and an excellent linear relationship (R2 = 0.98) between the logarithm of fluorescence intensity at 592 nm and viscosity. Importantly, QQC could not only recognize SO2 derivatives in real water samples and food, but also detect viscosity changes caused by food thickeners and thereby had broad market application prospects. SIGNIFICANCE We have developed a ratiometric fluorescent probe based on the FRET platform for detecting sulfur dioxide derivatives and viscosity. QQC could not only successfully detect SO2 derivatives in food and water samples, but also be made into test strips for detecting HSO3-/SO32- solution. In addition, the probe was also used to detect viscosity changes caused by food thickeners. Therefore, this novel probe had significant value in food and environmental detection applications.
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Affiliation(s)
- Feng-Ting Liu
- Institute of Organic Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, PR China
| | - Peng-Fei Jiang
- Institute of Organic Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, PR China
| | - Yan-Pu Wang
- Institute of Organic Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, PR China
| | - Bao-Xiang Zhao
- Institute of Organic Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Jinan, 250100, PR China.
| | - Zhao-Min Lin
- Institute of Medical Sciences, The Second Hospital of Shandong University, Jinan, 250033, PR China.
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Shang Z, Meng Q, Zhang R, Zhang Z. Bifunctional near-infrared fluorescent probe for the selective detection of bisulfite and hypochlorous acid in food, water samples and in vivo. Anal Chim Acta 2023; 1279:341783. [PMID: 37827680 DOI: 10.1016/j.aca.2023.341783] [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: 06/11/2023] [Revised: 07/24/2023] [Accepted: 09/04/2023] [Indexed: 10/14/2023]
Abstract
We report the development of a bifunctional near-infrared fluorescent probe (QZB) for selective sensing of bisulfite (HSO3-) and hypochlorous acid (HOCl). The synergistic detection of HSO3- and HOCl was achieved via a C=C bond recognition site. In comparison with the red-fluorescence QZB, two different products with non-fluorescence and paleturquoise fluorescence were produced by the recognition of QZB towards HSO3- and HOCl respectively, which can realize effectively the dual-functional detection of HSO3- and HOCl. QZB features prominent preponderances of dual-function response, near-infrared emission, reliability at physiological pH, low cytotoxicity and high sensitivity to HSO3- and HOCl. The detection of HSO3- in actual food samples has been successfully achieved using QZB. Utilization of QZB-based test strip to semi-quantitatively detect HSO3- and HOCl in real-world water samples by the "naked-eye" colorimetry are then demonstrated. Simultaneously, the determination of HSO3- and HOCl in real-world water sample has been achieved by smartphone-based standard curves. Additionally, the applications of QZB for imaging HSO3- and HOCl in vivo are successfully demonstrated. Consequently, the successful development of QZB could be promising as an efficient tool for researching the role of HSO3-/HOCl in the regulation of redox homeostasis regulation in vivo and complex signal transduction and for future food safety evaluation.
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Affiliation(s)
- Zhuye Shang
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan, Liaoning Province, 114051, PR China
| | - Qingtao Meng
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan, Liaoning Province, 114051, PR China; Key Laboratory for Functional Material, Educational Department of Liaoning Province, University of Science and Technology Liaoning, Anshan, Liaoning Province, 114051, PR China.
| | - Run Zhang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, 4072, Australia
| | - Zhiqiang Zhang
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan, Liaoning Province, 114051, PR China.
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Zhou X, Dong L, Zhao B, Hu G, Huang C, Liu T, Lu Y, Zheng M, Yu Y, Yang Z, Cheng S, Xiong Y, Luo G, Qian W, Yin R. A photoactivatable and phenylboronic acid-functionalized nanoassembly for combating multidrug-resistant gram-negative bacteria and their biofilms. BURNS & TRAUMA 2023; 11:tkad041. [PMID: 37849944 PMCID: PMC10578387 DOI: 10.1093/burnst/tkad041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 05/23/2023] [Accepted: 07/19/2023] [Indexed: 10/19/2023]
Abstract
Background Multidrug-resistant (MDR) gram-negative bacteria-related infectious diseases have caused an increase in the public health burden and mortality. Moreover, the formation of biofilms makes these bacteria difficult to control. Therefore, developing novel interventions to combat MDR gram-negative bacteria and their biofilms-related infections are urgently needed. The purpose of this study was to develop a multifunctional nanoassembly (IRNB) based on IR-780 and N, N'-di-sec-butyl-N, N'- dinitroso-1,4-phenylenediamine (BNN6) for synergistic effect on the infected wounds and subcutaneous abscesses caused by gram-negative bacteria. Methods The characterization and bacteria-targeting ability of IRNB were investigated. The bactericidal efficacy of IRNB against gram-negative bacteria and their biofilms was demonstrated by crystal violet staining assay, plate counting method and live/dead staining in vitro. The antibacterial efficiency of IRNB was examined on a subcutaneous abscess and cutaneous infected wound model in vivo. A cell counting kit-8 assay, Calcein/PI cytotoxicity assay, hemolysis assay and intravenous injection assay were performed to detect the biocompatibility of IRNB in vitro and in vivo. Results Herein, we successfully developed a multifunctional nanoassembly IRNB based on IR-780 and BNN6 for synergistic photothermal therapy (PTT), photodynamic therapy (PDT) and nitric oxide (NO) effect triggered by an 808 nm laser. This nanoassembly could accumulate specifically at the infected sites of MDR gram-negative bacteria and their biofilms via the covalent coupling effect. Upon irradiation with an 808 nm laser, IRNB was activated and produced both reactive oxygen species (ROS) and hyperthermia. The local hyperthermia could induce NO generation, which further reacted with ROS to generate ONOO-, leading to the enhancement of bactericidal efficacy. Furthermore, NO and ONOO- could disrupt the cell membrane, which converts bacteria to an extremely susceptible state and further enhances the photothermal effect. In this study, IRNB showed a superior photothermal-photodynamic-chemo (NO) synergistic therapeutic effect on the infected wounds and subcutaneous abscesses caused by gram-negative bacteria. This resulted in effective control of associated infections, relief of inflammation, promotion of re-epithelization and collagen deposition, and regulation of angiogenesis during wound healing. Moreover, IRNB exhibited excellent biocompatibility, both in vitro and in vivo. Conclusions The present research suggests that IRNB can be considered a promising alternative for treating infections caused by MDR gram-negative bacteria and their biofilms.
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Affiliation(s)
- Xiaoqing Zhou
- Department of Dermatology, Southwest Hospital, Army Medical University (Third Military Medical University), No. 29 Gaotanyan Road, Shapingba District, Chongqing 400038, China
| | - Lanlan Dong
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Key Laboratory of Disease Proteomics of Chongqing, Southwest Hospital, Army Medical University (Third Military Medical University), No. 29 Gaotanyan Road, Shapingba District, Chongqing 400038, China
| | - Baohua Zhao
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Key Laboratory of Disease Proteomics of Chongqing, Southwest Hospital, Army Medical University (Third Military Medical University), No. 29 Gaotanyan Road, Shapingba District, Chongqing 400038, China
| | - Guangyun Hu
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Key Laboratory of Disease Proteomics of Chongqing, Southwest Hospital, Army Medical University (Third Military Medical University), No. 29 Gaotanyan Road, Shapingba District, Chongqing 400038, China
| | - Can Huang
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Key Laboratory of Disease Proteomics of Chongqing, Southwest Hospital, Army Medical University (Third Military Medical University), No. 29 Gaotanyan Road, Shapingba District, Chongqing 400038, China
| | - Tengfei Liu
- Department of Burn and Plastic Sugery, No. 906 Hospital of Joint Logistic Support Force of PLA, No. 377 Zhongshan East Road, Yinzhou District, Ningbo 315100, China
| | - Yifei Lu
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Key Laboratory of Disease Proteomics of Chongqing, Southwest Hospital, Army Medical University (Third Military Medical University), No. 29 Gaotanyan Road, Shapingba District, Chongqing 400038, China
| | - Mengxue Zheng
- Department of Dermatology, Southwest Hospital, Army Medical University (Third Military Medical University), No. 29 Gaotanyan Road, Shapingba District, Chongqing 400038, China
| | - Yanlan Yu
- Department of Dermatology, Southwest Hospital, Army Medical University (Third Military Medical University), No. 29 Gaotanyan Road, Shapingba District, Chongqing 400038, China
| | - Zengjun Yang
- Department of Dermatology, Southwest Hospital, Army Medical University (Third Military Medical University), No. 29 Gaotanyan Road, Shapingba District, Chongqing 400038, China
| | - Shaowen Cheng
- Department of Wound Repair, the First Affiliated Hospital of Hainan Medical University, No. 31 Longhua Road, Haikou 570102, China
| | - Yan Xiong
- Department of Orthopaedics, Daping Hospital, Army Medical University (Third Military Medical University), No. 10 Changjiang Branch Road, Yuzhong District, Chongqing 400042, China
| | - Gaoxing Luo
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Key Laboratory of Disease Proteomics of Chongqing, Southwest Hospital, Army Medical University (Third Military Medical University), No. 29 Gaotanyan Road, Shapingba District, Chongqing 400038, China
| | - Wei Qian
- Institute of Burn Research, State Key Laboratory of Trauma, Burn and Combined Injury, Key Laboratory of Disease Proteomics of Chongqing, Southwest Hospital, Army Medical University (Third Military Medical University), No. 29 Gaotanyan Road, Shapingba District, Chongqing 400038, China
| | - Rui Yin
- Department of Dermatology, Southwest Hospital, Army Medical University (Third Military Medical University), No. 29 Gaotanyan Road, Shapingba District, Chongqing 400038, China
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Tian Q, Lu X, He W. Structure-regulated mitochondrial-targeted fluorescent probe for sensing and imaging SO 2in vivo. Bioorg Chem 2023; 138:106656. [PMID: 37329811 DOI: 10.1016/j.bioorg.2023.106656] [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: 04/07/2023] [Revised: 05/24/2023] [Accepted: 06/04/2023] [Indexed: 06/19/2023]
Abstract
SO2 and its derivatives play an important role in the antioxidation and anticorrosion of food and medicine. In biological systems, abnormal levels of SO2 lead to the occurrence of many biological diseases. Hence, the development of suitable tools for monitoring SO2 in mitochondria is beneficial for studying the biological effect of SO2 in subcellular organelles. In this research, DHX-1 and DHX-2 are fluorescent probes designed on the basis of dihydroxanthene skeletons. Importantly, DHX-1 (650 nm) and DHX-2 (748 nm) show near-infrared fluorescence response toward endogenous and exogenous SO2, which showed advantages of great selectivity, good sensitivity and low cytotoxicity, and the detection limit is 5.6 μM and 4.08 μM of SO2, respectively. Moreover, DHX-1 and DHX-2 realized SO2 sensing in HeLa cells and zebrafish. Moreover, cell imaging demonstrated that DHX-2 with a thiazole salt structure possesses good mitochondria-targeting ability. Additionally, DHX-2 was perfectly achieved by in situ imaging of SO2 in mice.
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Affiliation(s)
- Qinqin Tian
- Department of Chemistry, School of Pharmacy, Air Force Military Medical University, 169 Changle West Road, Xi'an 710032, PR China
| | - Xianlin Lu
- Department of Chemistry, School of Pharmacy, Air Force Military Medical University, 169 Changle West Road, Xi'an 710032, PR China
| | - Wei He
- Department of Chemistry, School of Pharmacy, Air Force Military Medical University, 169 Changle West Road, Xi'an 710032, PR China.
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Reis Medeiros KA, da Costa LG, Bifano Manea GK, de Moraes Maciel R, Caliman E, da Silva MT, de Sena RC, de Oliveira EC. Determination of Total Sulfur Content in Fuels: A Comprehensive and Metrological Review Focusing on Compliance Assessment. Crit Rev Anal Chem 2023:1-11. [PMID: 37610291 DOI: 10.1080/10408347.2023.2249564] [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: 08/24/2023]
Abstract
Sulfur-containing compounds are naturally found in crude oil, and they can be partially removed during the refining process. The wide use of fossil fuels has a significant contribution to sulfur emissions into the atmosphere, and Governments are striving to reduce the amount of the fuels by environmental regulations. The reduction of sulfur levels in diesel and other transportation fuels is beneficial from economic and environmental points, but meeting this standard represents a major operational and economic challenge for the oil and gas industry. Quantitative measurement of the sulfur amount must be taken along the oil refining chains guided by standards of measurement and recommended analytical methods such as various American Society for Testing and Materials methods (ASTM D2622, ASTM D5453, ASTM D7039, and ASTM D7220). Advancement in the refining processes and environmental regulations also require reliable measurements and well-defined criteria for compliance assessment. This work presented a brief review of the ASTM Standards used in the laboratories of the Brazilian oil and gas industry to determine the total sulfur content in fuels. We also presented an approach based on the reproducibility of the measurement methods and the guard band concept to evaluate the conformity statement.
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Affiliation(s)
- Khrissy Aracélly Reis Medeiros
- Mechanical Engineering Department, Optical Fiber Sensors Laboratory, Pontifical Catholic University of Rio de Janeiro, Rio de Janeiro, Brazil
| | | | | | | | - Ednéia Caliman
- Brazilian National Agency of Petroleum, Natural Gas and Biofuels, Rio de Janeiro, Brazil
| | | | - Rodrigo Caciano de Sena
- Brazilian Institute of Metrology, Standardization and Industrial Quality, Rio de Janeiro, Brazil
| | - Elcio Cruz de Oliveira
- Postgraduate Programme in Metrology, Pontifical Catholic University of Rio de Janeiro, Rio de Janeiro, Brazil
- Logistics, Operational Planning and Control, Measurement and Product Inventory Management, PETROBRAS S.A, Rio de Janeiro, Brazil
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Du Y, Pan C, Cao C. A mitochondria-targetable fluorescent probe for sulfur dioxide detection and visualisation in living cells. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 290:122275. [PMID: 36580753 DOI: 10.1016/j.saa.2022.122275] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 12/09/2022] [Accepted: 12/21/2022] [Indexed: 06/17/2023]
Abstract
Sulfur dioxide (SO2) is a one of reactive sulfur species (RSS) that plays significant roles in many physiological processes. While abnormal levels of SO2 in mitochondria have been related to various diseases. Hence, developing suitable fluorescent probe for monitoring SO2 is significant in living organisms. In this research, we designed and synthesized a mitochondrial-target probe Mito-NPH featuring the graft of a strong electron-withdrawing 4-pyridiniumylacrylonitrile unit to an electron-donating naphthalenic unit that intramolecular charge transfer (ICT) process happened. The probe Mito-NPH underwent a nucleophilic addition of HSO3-/SO32-to give fluorescent emission signal change from red to blue and exhibited specific response toward HSO3-/SO32-over other analytes. Moreover, Mito-NPH showed ultrafast response rate (within 10 s) for HSO3-. Importantly, cell imaging results demonstrated that the probe can sense endogenous SO2 in mitochondria.
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Affiliation(s)
- Yuting Du
- Department of Chemistry, Xinzhou Teachers University, Xinzhou, Shanxi 034000, China.
| | - Caixia Pan
- Department of Chemistry, Xinzhou Teachers University, Xinzhou, Shanxi 034000, China
| | - Chunjuan Cao
- Department of Chemistry, Xinzhou Teachers University, Xinzhou, Shanxi 034000, China
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An Imidazo[1,5-a]pyridine Benzopyrylium-Based NIR Fluorescent Probe with Ultra-Large Stokes Shifts for Monitoring SO 2. MOLECULES (BASEL, SWITZERLAND) 2023; 28:molecules28020515. [PMID: 36677574 PMCID: PMC9863934 DOI: 10.3390/molecules28020515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 12/25/2022] [Accepted: 12/29/2022] [Indexed: 01/06/2023]
Abstract
A mitochondria-targeted NIR probe based on the FRET mechanism was developed. It shows ultra-large Stokes shifts (460 nm) and emission shifts (285 nm). Furthermore, we also realized the imaging of SO2 in living SKOV-3 cells, zebrafish and living mice which may be useful for understanding the biological roles of SO2 in mitochondria and in vivo.
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Shang Z, Liu J, Meng Q, Jia H, Gao Y, Zhang C, Zhang R, Zhang Z. Carbazole-based near-infrared-emitting fluorescence probe for the detection of bisulfite in live animals and real food samples. NEW J CHEM 2022. [DOI: 10.1039/d2nj04647d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
A carbazole-based near-infrared (NIR)-emitting fluorescent probe (QPM) was successfully developed for the detection of HSO3− in live animals and in real food samples.
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Affiliation(s)
- Zhuye Shang
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan, Liaoning Province, 114051, P. R. China
| | - Jianhua Liu
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan, Liaoning Province, 114051, P. R. China
| | - Qingtao Meng
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan, Liaoning Province, 114051, P. R. China
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, University of Science and Technology Liaoning, Anshan, Liaoning Province 114051, P. R. China
| | - Hongmin Jia
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan, Liaoning Province, 114051, P. R. China
| | - Yun Gao
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan, Liaoning Province, 114051, P. R. China
| | - Cheng Zhang
- School of Chemical Engineering, University of Science and Technology Liaoning, Anshan, Liaoning Province, 114051, P. R. China
| | - Run Zhang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, Brisbane, 4072, Australia
| | - Zhiqiang Zhang
- Key Laboratory for Functional Material, Educational Department of Liaoning Province, University of Science and Technology Liaoning, Anshan, Liaoning Province 114051, P. R. China
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