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Wang C, Li S, Sun P, Yu Z, Yang X. Vortex-assisted hydrophobic natural deep eutectic solvent liquid-liquid microextraction for the removal of silver ions from environmental water. Anal Bioanal Chem 2024; 416:873-882. [PMID: 38062196 DOI: 10.1007/s00216-023-05073-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 11/22/2023] [Accepted: 11/27/2023] [Indexed: 01/23/2024]
Abstract
This study presents a novel approach for the quantification of silver ions in environmental water through the utilization of liquid-liquid microextraction, employing natural deep eutectic solvents in conjunction with inductively coupled plasma emission spectroscopy. The extracted solvent was characterized by Fourier transform infrared spectroscopy (FT-IR). The impact of various extractant types, extractant molar ratio, extractant volume, extraction time, and salt concentration on the efficacy of silver ion extraction was investigated. The findings indicate that the optimal extraction efficiency was attained by utilizing a 5-mL aqueous solution volume, containing 1000 μL thymol/lactic acid NADES 1:3, a salt concentration of 1 mg mL-1, a pH value of 4, and a vortex time of 4 min. Upon implementing the optimized experimental conditions, the recovery of target metal ions was from 96.9 to 101.0%. The relative standard deviations were observed to be within the range of 1.5 to 2.7%. The present study demonstrates the reproducibility, accuracy, and reliability of the method for detecting silver ions in environmental water, with linear range of 5~1000 ng mL-1 and limits of detection (LOD) and limits of quantification (LOQ) of 1.52 ng mL-1 and 5.02 ng mL-1, respectively.
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Affiliation(s)
- Chao Wang
- College of Food Science, Heilongjiang Bayi Agricultural University, No. 5, Xinfeng Road, Daqing, 163319, China.
| | - Shuo Li
- College of Food Science, Heilongjiang Bayi Agricultural University, No. 5, Xinfeng Road, Daqing, 163319, China
- Agricultural Products and Processed Products Supervision and Testing Center, Ministry of Agriculture, National Coarse Cereals Engineering Research Center, Daqing, 163319, China
- National Coarse Cereals Engineering Research Center, Daqing, 163319, China
| | - Peng Sun
- College of Food Science, Heilongjiang Bayi Agricultural University, No. 5, Xinfeng Road, Daqing, 163319, China.
- Agricultural Products and Processed Products Supervision and Testing Center, Ministry of Agriculture, National Coarse Cereals Engineering Research Center, Daqing, 163319, China.
- National Coarse Cereals Engineering Research Center, Daqing, 163319, China.
| | - Zhao Yu
- College of Food Science, Heilongjiang Bayi Agricultural University, No. 5, Xinfeng Road, Daqing, 163319, China
| | - Xue Yang
- College of Food Science, Heilongjiang Bayi Agricultural University, No. 5, Xinfeng Road, Daqing, 163319, China
- Agricultural Products and Processed Products Supervision and Testing Center, Ministry of Agriculture, National Coarse Cereals Engineering Research Center, Daqing, 163319, China
- National Coarse Cereals Engineering Research Center, Daqing, 163319, China
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Oka S, Sueyoshi K, Endo T, Hisamoto H. Nanoemulsion-based silver ion-selective optode based on colorimetrically silver ion-responsive ionic liquid-based dye. ANAL SCI 2023:10.1007/s44211-023-00337-1. [PMID: 37046140 DOI: 10.1007/s44211-023-00337-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 03/30/2023] [Indexed: 04/14/2023]
Abstract
In this study, we describe the fast-responsive nanoemulsion (NE)-based silver ion (Ag+)-selective optode based on colorimetrically silver ion-responsive ionic liquid-based dye (ILD). The ILD comprises purely functional sensing molecules, a protonated cationic merocyanine dye (KD-M13-H+) and an anionic Ag+ ionophore (BDM-SO3-), and thus, it can be used for highly sensitive silver ion (Ag+) sensing due to the extremely high content of dye in the organic phase (ionic-liquid phase). However, during the Ag+ sensing, the cationic merocyanine dye is converted into electrically neutral form by deprotonation of the dye, which leads to the conversion of liquified dye into solid form in the organic phase, which makes the response time slower when ILD is used for poly(vinyl chloride) (PVC) membrane-based ion-selective optode, especially for sensing of high Ag+ concentration. To solve this problem, we focused on the use of the nano-emulsification technique. The response time of the ILD-based nanoemulsion (NE) was considerably shorter (1 s) compared to that of the ILD-based PVC membrane (a few minutes) owing to the large surface area and excellent diffusivity of the emulsion. The ILD-based NE contained a very high dye concentration (833 mmol kg-1) and exhibited approximately 12 times higher sensitivity than that of the plasticizer-based conventional NE. In the cation measurements, the ILD-based NE responded to Ag+ via a cation-exchange mechanism and demonstrated a highly selective response to Ag+ (log [Formula: see text] = - 3.0). ILD-NE was successfully applied to the detection of spiked Ag+ in a tap water sample with recoveries of 98 - 103% with a relative standard deviation (RSD) of less than 5%. In comparison with NE based on non-ionic ionophores without charge, NE based on BDM-SO3- responded to lower Ag+ concentrations owing to the effect of negative charge on the binding property. The novel ILD-based NE was capable of highly sensitive, rapid, and selective Ag+ sensing, providing potential for analytical devices applicable to high-performance on-site analysis.
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Affiliation(s)
- Shuto Oka
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka, 599-8531, Japan
| | - Kenji Sueyoshi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka, 599-8531, Japan
| | - Tatsuro Endo
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka, 599-8531, Japan
| | - Hideaki Hisamoto
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Metropolitan University, 1-1 Gakuen-cho, Naka-ku, Sakai, Osaka, 599-8531, Japan.
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A water-soluble benzimidazole derivative for rapidly detecting Cu2+ in aqueous solution. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2022.134416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Karuppannan S, Karmegam MV, Leslee DBC. A Phenothiazine‐Thiophene‐linked Chalcone as a Highly Sensitive Fluorescent Chemosensor for Ag
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Ions. ChemistrySelect 2022. [DOI: 10.1002/slct.202200555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Sekar Karuppannan
- Department of Science and Humanities (Chemistry) Anna University University College of Engineering, Dindigul – 624622 Tamilnadu India
| | - Muthu Vengaian Karmegam
- Department of Science and Humanities (Chemistry) Anna University University College of Engineering, Dindigul – 624622 Tamilnadu India
- PG and Research Department of Chemistry GTN Arts College (Autonomous), Dindigul – 624005 Tamilnadu India
| | - Denzil Britto Christopher Leslee
- Department of Science and Humanities (Chemistry) Anna University University College of Engineering, Dindigul – 624622 Tamilnadu India
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A high selective colorimetric fluorescent probe for detection of silver ions in vitro and in vivo and its application on test strips. Talanta 2022; 246:123366. [DOI: 10.1016/j.talanta.2022.123366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 02/28/2022] [Accepted: 03/03/2022] [Indexed: 11/18/2022]
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