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Zhang C, Zhang Y, Guo J, Liu C. A fluorescent probe for specific dual recognition of Ni 2+ and pH. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 321:124685. [PMID: 38909561 DOI: 10.1016/j.saa.2024.124685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Revised: 06/02/2024] [Accepted: 06/18/2024] [Indexed: 06/25/2024]
Abstract
Nickel ion (Ni2+) and pH play an important role in environment and living organisms. A fluorescent probe "naphthalimide- s-triazine" (NCNS) for targeted dual detection of Ni2+ and pH was synthesized. As a result, NCNS exhibits excellent optical properties: a much larger Stokes shift (140 nm), eminent changes of fluorescence intensity and significant red-shift both for Ni2+ and pH. As for the detection of Ni2+, the selectivity is high and the anti-interference is strong. NCNS can fluorescently detect Ni2+ in a wider pH range from 4.0 to 10.5. It provides a much lower limit of detection (LOD, 20.03 nM), a rapid response time (150 s) and six times reversibility, showing the high sensitivity. Particularly, NCNS can be applied to fluorescently detect Ni2+ in actual water samples and HA-VSMC imaging. In the detection of pH, the probe generates a ratiometric fluorescence in a wide pH range (3.0 ∼ 12.3). NCNS has been successfully made test paper both for Ni2+ and pH. The mechanisms of the double recognition are verified by the density functional theory (DFT) calculations and the nuclear magnetic resonance (NMR) titration experiments.
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Affiliation(s)
- Chenglu Zhang
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, Liaoning 116029, China.
| | - Yang Zhang
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, Liaoning 116029, China
| | - Jinghao Guo
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, Liaoning 116029, China
| | - Cui Liu
- School of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian, Liaoning 116029, China.
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Grover K, Koblova A, Pezacki AT, Chang CJ, New EJ. Small-Molecule Fluorescent Probes for Binding- and Activity-Based Sensing of Redox-Active Biological Metals. Chem Rev 2024; 124:5846-5929. [PMID: 38657175 DOI: 10.1021/acs.chemrev.3c00819] [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: 04/26/2024]
Abstract
Although transition metals constitute less than 0.1% of the total mass within a human body, they have a substantial impact on fundamental biological processes across all kingdoms of life. Indeed, these nutrients play crucial roles in the physiological functions of enzymes, with the redox properties of many of these metals being essential to their activity. At the same time, imbalances in transition metal pools can be detrimental to health. Modern analytical techniques are helping to illuminate the workings of metal homeostasis at a molecular and atomic level, their spatial localization in real time, and the implications of metal dysregulation in disease pathogenesis. Fluorescence microscopy has proven to be one of the most promising non-invasive methods for studying metal pools in biological samples. The accuracy and sensitivity of bioimaging experiments are predominantly determined by the fluorescent metal-responsive sensor, highlighting the importance of rational probe design for such measurements. This review covers activity- and binding-based fluorescent metal sensors that have been applied to cellular studies. We focus on the essential redox-active metals: iron, copper, manganese, cobalt, chromium, and nickel. We aim to encourage further targeted efforts in developing innovative approaches to understanding the biological chemistry of redox-active metals.
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Affiliation(s)
- Karandeep Grover
- School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Alla Koblova
- School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Aidan T Pezacki
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
| | - Christopher J Chang
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, California 94720, United States
| | - Elizabeth J New
- School of Chemistry, The University of Sydney, Sydney, New South Wales 2006, Australia
- Australian Research Council Centre of Excellence for Innovations in Peptide and Protein Science, The University of Sydney, Sydney, New South Wales 2006, Australia
- Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
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Wang X, Cheng S, Liu C, Zhang Y, Su M, Rong X, Zhu H, Yu M, Sheng W, Zhu B. A novel ratiometric fluorescent probe for the detection of nickel ions in the environment and living organisms. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 840:156445. [PMID: 35675887 DOI: 10.1016/j.scitotenv.2022.156445] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 05/30/2022] [Accepted: 05/31/2022] [Indexed: 06/15/2023]
Abstract
Nickel resources are abundant in the world, and the application of nickel in production and life is more and more extensive. However, excessive nickel entering the environment will not only cause environmental pollution but also seriously endanger plants, animals and human health. Nickel compounds are carcinogenic and have been classified as a class 1 carcinogen. Nickel mainly exists in the form of divalent ions in the environment. However, there are few simple and effective methods for the detection of nickel ions, and these methods still have certain limitations. At present, the mechanisms of nickel influence in organisms are also unclear. Therefore, we constructed a ratiometric fluorescent probe Ra-Ni, which can achieve its own self-calibration and avoid the interference of other factors, thereby realizing the specific identification of nickel ions. The probe can detect nickel ions sensitively with a detection limit as low as 26.2 nM and can respond in a short time (< 2 min), which proves the great potential of the probe in the detection of nickel ions. At the same time, Ra-Ni has also been successfully used for imaging nickel ions in living cells and zebrafish, providing an effective tool for the study of physiological and pathological processes. The detection effect of nickel ions in actual water sample is also satisfactory, which further demonstrates the practicability of Ra-Ni in environmental applications.
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Affiliation(s)
- Xin Wang
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Siyu Cheng
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Caiyun Liu
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China.
| | - Yan Zhang
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Meijun Su
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Xiaodi Rong
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Hanchuang Zhu
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China
| | - Miaohui Yu
- Biology Institute, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250103, China
| | - Wenlong Sheng
- Biology Institute, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250103, China.
| | - Baocun Zhu
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, China.
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Kong L, Lu W, Cao X, Wei Y, Sun J, Wang Y. The design strategies and biological applications of probes for the gaseous signaling molecule hydrogen sulfide. J Mater Chem B 2022; 10:7924-7954. [PMID: 36107014 DOI: 10.1039/d2tb01210c] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
H2S, the smallest and simplest biological thiol in living systems, is the third member of the family of signaling mediators. H2S participates in the regulation of a series of complex physiological and pathological functions in the body, making it a critical fulcrum that balances health and disease in human physiology. Small-molecule fluorescent probes have been proven to possess the unique advantages of high temporal and spatial resolution, good biocompatibility and high sensitivity, and thus their use is a powerful approach for monitoring the level and dynamics of H2S in living cells and organisms and better understanding its basic cellular functions. The field of small-molecule fluorescent probes for monitoring the complex biological activities of H2S in vivo has been thriving in recent years. Herein, we systematically summarize the latest developments in the field of fluorescent probes for the detection of H2S, illustrate their biological applications according to the classification of target-responsive sites, and emphasize the development direction and challenges of H2S-responsive fluorescent probes, hoping to give implications of researchers on fluorescent probes for future research.
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Affiliation(s)
- Lingxiu Kong
- Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250000, Shandong Province, China.
| | - Wenjuan Lu
- Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250000, Shandong Province, China.
| | - Xiaoli Cao
- Jinan Municipal Center for Disease Control and Prevention, Jinan 250021, Shandong, China
| | - Yongchun Wei
- Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250000, Shandong Province, China.
| | - Jiarao Sun
- Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250000, Shandong Province, China.
| | - Yanfeng Wang
- Institute of Materia Medica, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan 250000, Shandong Province, China.
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Na LP, Dou L, Yan YJ, Li RY, Dong WK. A new reversible aldehyde-appended salamo-like fluorogenic probe for cascade sensing of Ni and HPO42- ions in aqueous medium. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114061] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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Abstract
The first chalcone-based colorimetric chemosensor DPP (sodium (E)-2,4-dichloro-6-(3-oxo-3-(pyridine-2-yl)prop-1-en-1-yl)phenolate) was synthesized for detecting Ni2+ in near-perfect water. The synthesis of DPP was validated by using 1H, 13C NMR and ESI-MS. DPP selectively sensed Ni2+ through the color variation from yellow to purple. Detection limit of DPP for Ni2+ was calculated to be 0.36 μM (3σ/slope), which is below the standard (1.2 μM) set by the United States Environmental Protection Agency (EPA).The binding ratio of DPP to Ni2+ was determined as a 1:1 by using a Job plot and ESI-mass. The association constant of DPP and Ni2+ was calculated as 1.06 × 104 M−1 by the non-linear fitting analysis. In real samples, the sensing application of DPP for Ni2+ was successfully performed. DPP-coated paper-supported strips could also be used for detecting Ni2+. The binding mechanism of DPP to Ni2+ was proposed by ESI-MS, Job plot, UV-vis, FT-IR spectroscopy, and DFT calculations.
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