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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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Artemenko AA, Burilov VA, Solov’eva SE, Antipin IS. Covalent and Supramolecular Conjugates of Calixarenes with Some Fluorescent Dyes of the Xanthene Series. COLLOID JOURNAL 2022. [DOI: 10.1134/s1061933x22700053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Ajeya KV, Sadhasivam T, Kurkuri MD, Kang UI, Park IS, Park WS, Kim SC, Jung HY. Recovery of spent VOSO 4 using an organic ligand for vanadium redox flow battery applications. JOURNAL OF HAZARDOUS MATERIALS 2020; 399:123047. [PMID: 32937711 DOI: 10.1016/j.jhazmat.2020.123047] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 05/24/2020] [Accepted: 05/24/2020] [Indexed: 06/11/2023]
Abstract
To recover the spent vanadium compound, Rhodamine-B-based Schiff's base ligand (L1) was synthesized via ultrasonication process and was evaluated with vanadyl sulfate (VOSO4), which has shown considerable selectivity towards V(IV). The change of the solution color from colorless to pink is attributed to L1 after the reaction with vanadium ion owing to the successful formation of the vanadium complex and the opening of the spirolactam ring in the L1 structure. In FT-IR spectra, the vanadyl peaks are co-existed with the L1 structure, which confirmed the complex formation of the L1 with vanadium. Similarly, the binding energy of V(IV) was identified at 516.2 eV for V2p3/2 in XPS spectra. The new strategy for VOSO4 recovery was established through solvent extraction and acid leaching. After recovery process, the absence of vanadium peak in the XPS confirmed the complete removal of V(IV) from the complex. The recovered VOSO4 solution used as an electrolyte in vanadium redox flow battery (VRFB) systems, where the unit cell performance is comparable with the conventional electrolyte solution. The advantage of study is reuse of VOSO4 as a resource for energy storage applications.
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Affiliation(s)
- Kanalli V Ajeya
- Department of Environment & Energy Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju, 61186, Republic of Korea
| | - T Sadhasivam
- Department of Environment & Energy Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju, 61186, Republic of Korea; Center for Energy Storage System, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju, 61186, Republic of Korea
| | - Mahaveer D Kurkuri
- Centre for Nano and Material Sciences, JAIN University, Jain Global Campus, Bengaluru, 562112, Karnataka, India.
| | - Ung-Il Kang
- Depertment of the Fire Service Administration, Honam University, #417, Eodeung-daero, Gwangsan-gu, Gwangju, 62399, Republic of Korea
| | - In-Su Park
- Mineral Resources Research Division, Korea Institute of Geoscience and Mineral Resources(KIGAM),124 Gwahak-ro, Yuseong-gu, Daejeon, 34132, Republic of Korea
| | - Won-Shik Park
- Energy Valley R&D Center, Korea Electric Power Research Institute, 55 Jeollyeok-ro, Naju-si, Jeollanam-do, 58217, Republic of Korea
| | - Sang-Chai Kim
- Department of Environmental Education, Mokpo National University, 1666 Youngsan Ro, Cheonggye Myeon, Muan, 58554, Republic of Korea.
| | - Ho-Young Jung
- Department of Environment & Energy Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju, 61186, Republic of Korea; Center for Energy Storage System, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju, 61186, Republic of Korea.
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Roy SG, Mondal S, Ghosh K. Copillar[5]arene-rhodamine conjugate as a selective sensor for Hg2+ ions. NEW J CHEM 2020. [DOI: 10.1039/c9nj06264e] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A new copillar[5]arene-coupled rhodamine probe 1 shows selective sensing of Hg2+ ions over a series of metal ions in CH3CN by exhibiting color change of the solution as well as turn on fluorescence. It also shows interaction with Cu2+ by exhibiting different color and spectral change. Tetrabutylammonium iodide distinguishes between Hg2+ and Cu2+ ions.
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Affiliation(s)
| | - Subhendu Mondal
- Department of Chemistry
- University of Kalyani
- Kalyani-741235
- India
| | - Kumaresh Ghosh
- Department of Chemistry
- University of Kalyani
- Kalyani-741235
- India
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Venkateswarlu S, Govindaraju S, Sangubotla R, Kim J, Lee MH, Yun K. Biosynthesized Highly Stable Au/C Nanodots: Ideal Probes for the Selective and Sensitive Detection of Hg 2+ Ions. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E245. [PMID: 30759765 PMCID: PMC6409943 DOI: 10.3390/nano9020245] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 02/03/2019] [Accepted: 02/07/2019] [Indexed: 01/14/2023]
Abstract
The enormous ongoing industrial development has caused serious water pollution which has become a major crisis, particularly in developing countries. Among the various water pollutants, non-biodegradable heavy metal ions are the most prevalent. Thus, trace-level detection of these metal ions using a simple technique is essential. To address this issue, we have developed a fluorescent probe of Au/C nanodots (GCNDs-gold carbon nanodots) using an eco-friendly method based on an extract from waste onion leaves (Allium cepa-red onions). The leaves are rich in many flavonoids, playing a vital role in the formation of GCNDs. Transmission electron microscopy (TEM) and Scanning transmission electron microscopy-Energy-dispersive X-ray spectroscopy (STEM-EDS) elemental mapping clearly indicated that the newly synthesized materials are approximately 2 nm in size. The resulting GCNDs exhibited a strong orange fluorescence with excitation at 380 nm and emission at 610 nm. The GCNDs were applied as a fluorescent probe for the detection of Hg2+ ions. They can detect ultra-trace concentrations of Hg2+ with a detection limit of 1.3 nM. The X-ray photoelectron spectroscopy results facilitated the identification of a clear detection mechanism. We also used the new probe on a real river water sample. The newly developed sensor is highly stable with a strong fluorescent property and can be used for various applications such as in catalysis and biomedicine.
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Affiliation(s)
- Sada Venkateswarlu
- Department of Nanochemistry, Gachon University, Gyeonggi-do 13120, Korea.
| | - Saravanan Govindaraju
- Department of Bionanotechnology, Gachon University, Gyeonggi-do 13120, Korea.
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Korea.
| | - Roopkumar Sangubotla
- Department of Chemical and Biological Engineering, Gachon University, 1342 Seongnam Daero, Seongnam-Si, Gyeonggi-do 13120, Korea.
| | - Jongsung Kim
- Department of Chemical and Biological Engineering, Gachon University, 1342 Seongnam Daero, Seongnam-Si, Gyeonggi-do 13120, Korea.
| | - Min-Ho Lee
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Korea.
| | - Kyusik Yun
- Department of Bionanotechnology, Gachon University, Gyeonggi-do 13120, Korea.
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