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Choi MG, Han J, Ahn S, Chang SK. A colorimetric and fluorescent signaling probe for assaying Pd 2+ in practical samples. RSC Adv 2023; 13:31962-31968. [PMID: 37920198 PMCID: PMC10618942 DOI: 10.1039/d3ra05549c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Accepted: 10/19/2023] [Indexed: 11/04/2023] Open
Abstract
We developed an optical signaling probe to detect Pd2+ ions in Pd-containing catalyst and drug candidate. The Pd2+ signaling probe (Res-DT) was readily prepared by reacting the versatile fluorochrome resorufin with phenyl chlorodithioformate. In a phosphate-buffered saline solution (pH 7.4) containing sodium dodecyl sulfate (SDS) as a signal-boosting surfactant, Res-DT exhibited a pronounced colorimetric response with a chromogenic yellow to magenta shift, leading to a substantial increase in the fluorescence intensity. The Pd2+ signaling performance of Res-DT was attributed to the Pd2+-promoted hydrolysis of the dithioate moiety. The probe displayed high selectivity toward Pd2+ ions and remained unaffected by commonly encountered coexisting components. Moreover, the detection limit of Res-DT for Pd2+ ions was 10 nM, and the signaling was achieved within 7 min. Furthermore, to demonstrate the real-world applicability of Res-DT, a Pd2+ assay was performed in Pd-containing catalyst and drug candidate using an office scanner as an easily accessible measurement device. Our results highlight the prospects of Res-DT as a tool to detect Pd2+ ions in various practical samples, with potential applications in catalysis, medicine, and environmental science.
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Affiliation(s)
- Myung Gil Choi
- Department of Chemistry, Chung-Ang University Seoul 06974 Republic of Korea +82 2 825 4736 +82 2 820 5199
| | - Juyoung Han
- Department of Chemistry, Chung-Ang University Seoul 06974 Republic of Korea +82 2 825 4736 +82 2 820 5199
| | - Sangdoo Ahn
- Department of Chemistry, Chung-Ang University Seoul 06974 Republic of Korea +82 2 825 4736 +82 2 820 5199
| | - Suk-Kyu Chang
- Department of Chemistry, Chung-Ang University Seoul 06974 Republic of Korea +82 2 825 4736 +82 2 820 5199
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Sonawane PM, Jain N, Roychaudhury A, Park SJ, Bhosale VK, Halle MB, Kim CH, Nimse SB, Churchill DG. Highly sensitive and rapid detection of hypochlorous acid in aqueous media and its bioimaging in live cells and zebrafish using an ESIPT-driven mycophenolic acid-based fluorescent probe. Analyst 2023; 148:5203-5209. [PMID: 37721488 DOI: 10.1039/d3an01340e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/19/2023]
Abstract
Excessive production of potent biological oxidants such as HOCl has been implicated in numerous diseases. Thus, it is crucial to develop highly specific and precise methods to detect HOCl in living systems, preferably with molecules that can show a distinct therapeutic effect. Our study introduces the synthesis and application of a highly sensitive fluorescence "turn-on" probe, Myco-OCl, based on the mycophenolic acid scaffold with exceptional water solubility. The ESIPT-driven mechanism enables Myco-OCl to specifically and rapidly detect (<5 s) HOCl with an impressive Stokes shift of 105 nm (λex = 417 nm, λem = 522 nm) and a sub-nanomolar (97.3 nM) detection limit with the detection range of 0 to 50 μM. The potential of Myco-OCl as an excellent biosensor is evident from its successful application for live cell imaging of exogenous and endogenous HOCl. In addition, Myco-OCl enabled us to detect HOCl in a zebrafish inflammatory animal model. These underscore the great potential of Myco-OCl for detecting HOCl in diverse physiological systems. Our findings thus offer a highly promising tool for detecting HOCl in living organisms.
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Affiliation(s)
- Prasad M Sonawane
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, Republic of Korea.
| | - Neha Jain
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, Republic of Korea.
| | | | - Su Jeong Park
- Institute of Applied Chemistry and Department of Chemistry, Hallym University, Chuncheon 24252, Republic of Korea.
| | - Vikas K Bhosale
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, Republic of Korea.
| | - Mahesh B Halle
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, Republic of Korea.
| | - Cheol-Hee Kim
- Department of Biology, Chungnam National University, Daejeon 34134, Republic of Korea.
| | - Satish Balasaheb Nimse
- Institute of Applied Chemistry and Department of Chemistry, Hallym University, Chuncheon 24252, Republic of Korea.
| | - David G Churchill
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 305-701, Republic of Korea.
- KAIST Institute for Health Science and Technology (KIHST) (Therapeutic Bioengineering Section), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
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Long T, Hu Z, Gao Z, Luo H, Li H, Chen Y, Liu L, Xu D. Carbon dots electrochemically prepared from dopamine and epigallocatechin gallate for hypochlorite detection with high selectivity via a dynamic quenching mechanism. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 301:122947. [PMID: 37295382 DOI: 10.1016/j.saa.2023.122947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 05/25/2023] [Accepted: 05/27/2023] [Indexed: 06/12/2023]
Abstract
Monitoring hypochlorite levels in water is of great importance because of its high toxicity and wide applications as water disinfectants. In this manuscript, carbon dot (CD) was electrochemically prepared by using dopamine and epigallocatechin gallate (molar ratio 1:1) as the carbon source for efficient hypochlorite determination. By electrolyzing the solution at 10 V for 12 min with PBS as an electrolyte, dopamine would react with epigallocatechin at the anode, and through polymerization, dehydration, and carbonization, strong blue-fluorescent CDs were obtained. CDs were characterized by UV-Vis spectroscopy, fluorescence spectroscopy, high-resolution transmission electron microscopy, FT-IR, etc. These CDs have an excitation wavelength at 372 nm and an emission wavelength at 462 nm, owing an average particle size of 5.5 nm. The presence of hypochlorites can quench the fluorescence of CDs, and its reduction in intensity is linear with hypochlorite concentration over the range of 0.5-50 μM, ΔF/F0 = 0.0056 + 0.0194CClO-, R2=0.997. The detection limit achieved 0.23 μM (S/N = 3). The mechanism for fluorescence quenching is via a dynamic process. Different from many other fluorescence methods based on the strong oxidizing ability of hypochlorites, our method shows strong selectivity toward hypochlorites over other oxidizing agents such as H2O2. The assay was validated by the detection of hypochlorites in water samples, with recoveries between 98.2% and 104.3%.
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Affiliation(s)
- Tiantian Long
- The Health Management Department of the Third Xiangya Hospital, Central South University, Changsha 410013, China; National Engineering Laboratory for Rice and By-products Further Processing, College of Food Science and Engineering, Central South University of Forestry & Technology, Changsha 410004, China; College of Food Science and Engineering, Xinjiang Institute of Technology, Aksu 843100, China
| | - Zhongyang Hu
- The Neurology Department of the Third Xiangya Hospital, Central South University, Changsha 410013, China
| | - Ziyun Gao
- Department of Neurosurgery, The Second Affiliated Hospital of Nanchang University, Nanchang 330006, China
| | - Hongmei Luo
- The Health Management Department of the Third Xiangya Hospital, Central South University, Changsha 410013, China
| | - Hongchen Li
- The Health Management Department of the Third Xiangya Hospital, Central South University, Changsha 410013, China
| | - Yi Chen
- Hunan Intellijoy Biotechnology Co., Ltd., Changsha, Hunan 410125, China
| | - Lei Liu
- The Health Management Department of the Third Xiangya Hospital, Central South University, Changsha 410013, China.
| | - Dong Xu
- National Engineering Laboratory for Rice and By-products Further Processing, College of Food Science and Engineering, Central South University of Forestry & Technology, Changsha 410004, China.
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The Development of a 4-aminonaphthalimide-based Highly Selective Fluorescent Probe for Rapid Detection of HOCl. J Fluoresc 2022; 32:1843-1849. [PMID: 35731451 DOI: 10.1007/s10895-022-02996-1] [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: 05/11/2022] [Accepted: 06/14/2022] [Indexed: 10/17/2022]
Abstract
Recently, more and more evidence indicated that intracellular HOCl plays a crucial role in the regulation of inflammation and apoptosis, while excessive HOCl has an impact on human health problems. So, the development of methods for sensitive detection of HOCl is very vital to reveal its various physiological and pathological functions. In this paper, we have described a simple fluorescent probe for selective detection of HOCl, whereas for higher concentrations of other biological important substances, the probe almost does not respond. The experimental results show that the probe can quantitatively determine the range of 0-1 μM HOCl, the detection limit is 0.05 μM. In addition, the probe reacts quickly with HOCl (< 3 s), which is helpful to monitor HOCl in biological system because HOCl is highly reactive and short-lived. The ability of the probe to HOCl enables it to be used to track the HOCl levels in living systems.
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Reut VE, Gorudko IV, Grigorieva DV, Sokolov AV, Panasenko OM. Fluorescent Probes for HOCl Detection in Living Cells. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2022. [DOI: 10.1134/s1068162022030165] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Zhong X, Yang Q, Chen Y, Jiang Y, Dai Z. Aggregation-induced fluorescence probe for hypochlorite imaging in mitochondria of living cells and zebrafish. J Mater Chem B 2021; 8:7375-7381. [PMID: 32647844 DOI: 10.1039/d0tb01496f] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Hypochlorite is an important active oxygen species formed in living organisms, and rapid and highly sensitive detection of trace hypochlorite is of great significance for understanding the mechanism of diseases caused by abnormal hypochlorite concentrations at an early stage. Although aggregation-induced emission (AIE) probes are highly important for analyte de-tection in living organisms, there is a lack of AIE probes for hypochlorite detection. In this study, two AIE probes based on benzothiazole derivatives (BTD-1 and BTD-2) were designed and synthesized. Both probes exhibited good AIE charac-teristics and allowed different visual detection for hypochlorite. Additionally, the two probes could be used to detect endogenous hypochlorite in mitochondria and were successfully applied for in vivo hypochlorite imaging in zebrafish.
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Affiliation(s)
- Xiuli Zhong
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, Jiangsu Key Laboratory of Bio-functional Materials, School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, P. R. China.
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Tian L, Feng H, Dai Z, Zhang R. Resorufin-based responsive probes for fluorescence and colorimetric analysis. J Mater Chem B 2020; 9:53-79. [PMID: 33226060 DOI: 10.1039/d0tb01628d] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The fluorescence imaging technique has attracted increasing attention in the detection of various biological molecules in situ and in real-time owing to its inherent advantages including high selectivity and sensitivity, outstanding spatiotemporal resolution and fast feedback. In the past few decades, a number of fluorescent probes have been developed for bioassays and imaging by exploiting different fluorophores. Among various fluorophores, resorufin exhibits a high fluorescence quantum yield, long excitation/emission wavelength and pronounced ability in both fluorescence and colorimetric analysis. This fluorophore has been widely utilized in the design of responsive probes specific for various bioactive species. In this review, we summarize the advances in the development of resorufin-based fluorescent probes for detecting various analytes, such as cations, anions, reactive (redox-active) sulfur species, small molecules and biological macromolecules. The chemical structures of probes, response mechanisms, detection limits and practical applications are investigated, which is followed by the discussion of recent challenges and future research perspectives. This review article is expected to promote the further development of resorufin-based responsive fluorescent probes and their biological applications.
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Affiliation(s)
- Lu Tian
- Key Laboratory of Functional Nanomaterials and Technology in Universities of Shandong, College of Chemistry and Chemical Engineering, Linyi University, Linyi 276005, P. R. China.
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Morsby JJ, Dharmarwardana M, McGarraugh H, Smith BD. Supramolecular optimization of the visual contrast for colorimetric indicator assays that release resorufin dye. Chem Commun (Camb) 2020; 56:9296-9299. [PMID: 32666982 PMCID: PMC7429340 DOI: 10.1039/d0cc03551c] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A tetralactam macrocycle acts as a novel supramolecular adjuvant to capture a released resorufin dye and create a higher contrasting yellow/blue color change for enhanced naked eye interpretation of a colorimetric indicator assay.
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Affiliation(s)
- Janeala J Morsby
- Department of Chemistry and Biochemistry, University of Notre Dame, 251 Nieuwland Science Hall, Notre Dame, IN 46556, USA.
| | - Madushani Dharmarwardana
- Department of Chemistry and Biochemistry, University of Notre Dame, 251 Nieuwland Science Hall, Notre Dame, IN 46556, USA.
| | - Hannah McGarraugh
- Department of Chemistry and Biochemistry, University of Notre Dame, 251 Nieuwland Science Hall, Notre Dame, IN 46556, USA.
| | - Bradley D Smith
- Department of Chemistry and Biochemistry, University of Notre Dame, 251 Nieuwland Science Hall, Notre Dame, IN 46556, USA.
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