1
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Shabelko AR, Derevyanko NA, Ishchenko AA, Yu Tananaiko O. Indopolycarbocyanine dyes as perspective analytical reagents for spectrophotometric determination of nitrite by radical nitration. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 321:124728. [PMID: 38955070 DOI: 10.1016/j.saa.2024.124728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Revised: 05/31/2024] [Accepted: 06/25/2024] [Indexed: 07/04/2024]
Abstract
A spectrophotometric method for the quantitative determination of nitrite was developed, based on the radical nitration of indopolycarbocyanine dyes in the presence of 2,2,6,6-tetramethylpiperidin-1-oxyl (TEMPO). The rate of the reaction of the studied dyes with nitrite increases with the lengthening of the polymethine chain and the presence of hydrophilic sulfo groups in the side chain of the dye. TEMPO acts as a co-reagent, significantly accelerating the reaction rate and increasing the sensitivity of nitrite determination. The proposed reaction mechanism is supported by spectrophotometric and HPLC/MS studies. For Ind2 (tetramethine indocarbocyanine cationic dye), the limit of detection for nitrite is 0.50 µM within a linearity range of 1-13 µM. The developed method is sensitive, with a LOD 130 times lower than the maximum contaminant level (MCL) of nitrite in drinking water (65 μM), as specified by the WHO. The method is of low-toxicity and good selectivity, as the determination of nitrite is not significantly affected by the main components of water. The method was successfully applied for the analysis of nitrite in natural and bottled water.
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Affiliation(s)
- Andrii R Shabelko
- Taras Shevchenko National University of Kyiv 01601, Kyiv, Str. Volodymyrska, 64/13, Ukraine
| | - Nadiya A Derevyanko
- Institute of Organic Chemistry of the NAS of Ukraine, 02660 Kyiv, Str. Akademika Kuharya,5, Ukraine
| | - Alexander A Ishchenko
- Institute of Organic Chemistry of the NAS of Ukraine, 02660 Kyiv, Str. Akademika Kuharya,5, Ukraine
| | - Oksana Yu Tananaiko
- Taras Shevchenko National University of Kyiv 01601, Kyiv, Str. Volodymyrska, 64/13, Ukraine.
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2
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Raucci A, Miglione A, Cimmino W, Cioffi A, Singh S, Spinelli M, Amoresano A, Musile G, Cinti S. Technical Evaluation of a Paper-Based Electrochemical Strip to Measure Nitrite Ions in the Forensic Field. ACS MEASUREMENT SCIENCE AU 2024; 4:136-143. [PMID: 38404486 PMCID: PMC10885323 DOI: 10.1021/acsmeasuresciau.3c00050] [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: 09/10/2023] [Revised: 11/20/2023] [Accepted: 11/27/2023] [Indexed: 02/27/2024]
Abstract
Nitrite is a compound used as a food additive for its preservative action and coloring capability, as well as an industrial agent for its antifreezing action and for preventing corrosion, and it is also used as a pharmaceutical in cyanide detoxification therapy. However, even recently, because of its high toxicity, it has been used as a murder and suicidal agent due to its affordability and ready availability. In this technical report, we describe an electrochemical paper-based device for selectively determining nitrite in complex biofluids, such as blood, cadaveric blood, vitreous humor, serum, plasma, and urine. The approach was validated in terms of the linearity of response, selectivity, and sensitivity, and the accuracy of the determination was verified by comparing the results with a chromatographic instrumental method. A linear response was observed in the micromolar range; the sensitivity of the method expressed as the limit of detection was 0.4 μM in buffer measurements. The simplicity of use, the portability of the device, and the performance shown make the approach suitable for detecting nitrite in complex biofluids, including contexts of forensic interest, such as murders or suicides in which nitrite is used as a toxic agent. Limits of detection of ca. 1, 2, 4, 5, 3, and 4 μM were obtained in vitreous humor, urine, serum and plasma, blood, and cadaveric blood, also highlighting a satisfactory accuracy comprised between 91 and 112%.
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Affiliation(s)
- Ada Raucci
- Department
of Pharmacy, University of Naples “Federico
II”, 80131 Naples, Italy
| | - Antonella Miglione
- Department
of Pharmacy, University of Naples “Federico
II”, 80131 Naples, Italy
| | - Wanda Cimmino
- Department
of Pharmacy, University of Naples “Federico
II”, 80131 Naples, Italy
| | - Alessia Cioffi
- Department
of Pharmacy, University of Naples “Federico
II”, 80131 Naples, Italy
| | - Sima Singh
- Department
of Pharmacy, University of Naples “Federico
II”, 80131 Naples, Italy
| | - Michele Spinelli
- Department
of Chemical Sciences, University of Naples
Federico II, 80126 Naples, Italy
| | - Angela Amoresano
- Department
of Chemical Sciences, University of Naples
Federico II, 80126 Naples, Italy
| | - Giacomo Musile
- Department
of Diagnostics and Public Health, University
of Verona, P.le Scuro 10, 37134 Verona, Italy
| | - Stefano Cinti
- Department
of Pharmacy, University of Naples “Federico
II”, 80131 Naples, Italy
- BAT
Center—Interuniversity Center for Studies on Bioinspired Agro-Environmental
Technology, University of Naples “Federico
II”, 80055 Naples, Italy
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3
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Liu G, Guo H, Zhao W, Yan H, Zhang E, Gao L. Advancements in Preprocessing and Analysis of Nitrite and Nitrate since 2010 in Biological Samples: A Review. Molecules 2023; 28:7122. [PMID: 37894601 PMCID: PMC10609401 DOI: 10.3390/molecules28207122] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/10/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023] Open
Abstract
As a substance present in organisms, nitrite is a metabolite of nitric oxide and can also be ingested. Nitrate is the metabolite of nitrite. Therefore, it is necessary to measure it quickly, easily and accurately to evaluate the health status of humans. Although there have been several reviews on analytical methods for non-biological samples, there have been no reviews focused on both sample preparation and analytical methods for biological samples. First, rapid and accurate nitrite measurement has significant effects on human health. Second, the detection of nitrite in biological samples is problematic due to its very low concentration and matrix interferences. Therefore, the pretreatment plus measuring methods for nitrite and nitrate obtained from biological samples since 2010 are summarized in the present review, and their prospects for the future are proposed. The treatment methods include liquid-liquid microextraction, various derivatization reactions, liquid-liquid extraction, protein precipitation, solid phase extraction, and cloud point extraction. Analytical methods include spectroscopic methods, paper-based analytical devices, ion chromatography, liquid chromatography, gas chromatography-mass spectrometry, electrochemical methods, liquid chromatography-mass spectrometry and capillary electrophoresis. Derivatization reagents with rapid quantitative reactions and advanced extraction methods with high enrichment efficiency are also included. Nitrate and nitrate should be determined at the same time by the same analytical method. In addition, much exploration has been performed on formulating fast testing through microfluidic technology. In this review, the newest developments in nitrite and nitrate processing are a focus in addition to novel techniques employed in such analyses.
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Affiliation(s)
- Guojie Liu
- Department of Chemistry, School of Forensic Medicine, China Medical University, Shenyang 110122, China;
- Liaoning Province Key Laboratory of Forensic Bio-Evidence Sciences, Shenyang 110122, China
- Center of Forensic Investigation, China Medical University, Shenyang 110122, China
| | - Honghui Guo
- Liaoning Province Key Laboratory of Forensic Bio-Evidence Sciences, Shenyang 110122, China
- Center of Forensic Investigation, China Medical University, Shenyang 110122, China
- Forensic Analytical Toxicology Department, School of Forensic Medicine, China Medical University, Shenyang 110122, China
| | - Wanlin Zhao
- Liaoning Province Key Laboratory of Forensic Bio-Evidence Sciences, Shenyang 110122, China
- Center of Forensic Investigation, China Medical University, Shenyang 110122, China
- Forensic Analytical Toxicology Department, School of Forensic Medicine, China Medical University, Shenyang 110122, China
| | - Hongmu Yan
- Liaoning Province Key Laboratory of Forensic Bio-Evidence Sciences, Shenyang 110122, China
- Center of Forensic Investigation, China Medical University, Shenyang 110122, China
- Forensic Analytical Toxicology Department, School of Forensic Medicine, China Medical University, Shenyang 110122, China
| | - Enze Zhang
- First Clinical College, China Medical University, Shenyang 110122, China
| | - Lina Gao
- Liaoning Province Key Laboratory of Forensic Bio-Evidence Sciences, Shenyang 110122, China
- Center of Forensic Investigation, China Medical University, Shenyang 110122, China
- Forensic Analytical Toxicology Department, School of Forensic Medicine, China Medical University, Shenyang 110122, China
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4
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Diao W, Jia R, Hou Y, Dong Y, Li B, Zhu J. Effects of Stocking Density on the Growth Performance, Physiological Parameters, Antioxidant Status and Lipid Metabolism of Pelteobagrus fulvidraco in the Integrated Rice-Fish Farming System. Animals (Basel) 2023; 13:1721. [PMID: 37889625 PMCID: PMC10251942 DOI: 10.3390/ani13111721] [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: 03/17/2023] [Revised: 05/13/2023] [Accepted: 05/17/2023] [Indexed: 10/29/2023] Open
Abstract
Pelteobagrus fulvidraco is a freshwater fish commonly raised in rice fields, yet the optimal stocking density for this species remains unknown. Therefore, this study aimed to investigate the appropriate stocking density of P. fulvidraco in integrated rice-fish farming systems. Three different stocking densities--low density (LD, 125 g/m2), middle density (MD, 187.5 g/m2), and high density (HD, 250 g/m2)--were set up to evaluate P. fulvidraco's growth performance, stress indices, immune function, antioxidant status, and lipid metabolism after 90 days of farming. The results indicated that HD treatment had a detrimental effect on P. fulvidraco's growth parameters. HD treatment led to an increase in cortisol (Cor) and lactate (La) levels, but a decrease in glucose (Glu) content in serum. After 90 days of farming, an immune response accompanied by the increase of complement 3 (C3), C4, and immunoglobulin M (IgM) was observed in the HD group. Meanwhile, HD treatment induced oxidative stress and altered antioxidative status evidenced by the levels of catalase (CAT), glutathione peroxidase (Gpx), glutathione (GSH), malondialdehyde (MDA), superoxide dismutase (SOD), and total antioxidant capacity (T-AOC) in serum or liver. Additionally, the lipid metabolism-related genes including lipoprotein lipase (lpl), peroxisome proliferators-activated receptor (pparα), carnitine palmitoyltransferase-1 (cpt-1), and sterol regulatory element binding protein-1 (srebp-1) were markedly downregulated in the HD and/or MD group after 90 days of farming. In conclusion, this study contributes to a better understanding of P. fulvidraco's response to different stocking densities in integrated rice-fish farming systems. We suggest that the appropriate stocking density for P. fulvidraco in these farming systems should be below 250 g/m2, considering both fish growth and physiological responses.
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Affiliation(s)
- Weixu Diao
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; (W.D.); (R.J.); (Y.H.)
| | - Rui Jia
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; (W.D.); (R.J.); (Y.H.)
- Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
- International Joint Research Laboratory for Fish Immunopharmacology, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Yiran Hou
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; (W.D.); (R.J.); (Y.H.)
- Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Yin Dong
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; (W.D.); (R.J.); (Y.H.)
| | - Bing Li
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; (W.D.); (R.J.); (Y.H.)
- Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Jian Zhu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; (W.D.); (R.J.); (Y.H.)
- Key Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
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5
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Li Z, Wang Y, Xu C, Li X, Zhang B. A cycloruthenated 2-phenylimidazole: chromogenic sensor for nitrite in acidic buffer and fluoride in CH 3CN. NEW J CHEM 2023. [DOI: 10.1039/d2nj05227j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
A cycloruthenated 2-phenylimidazole as a colorimetric sensor can detect fluoride in CH3CN by a great red-shift in absorption. However, it demonstrated sensitivity and selectivity to nitrite rather than fluoride in acidic buffer.
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Affiliation(s)
- Zhen Li
- Key Laboratory of Analytical Chemistry of State Ethnic Affairs Commission, South-Central Minzu University, Wuhan 430074, P. R. China
| | - Yirong Wang
- Key Laboratory of Analytical Chemistry of State Ethnic Affairs Commission, South-Central Minzu University, Wuhan 430074, P. R. China
| | - Ce Xu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Xianghong Li
- Key Laboratory of Analytical Chemistry of State Ethnic Affairs Commission, South-Central Minzu University, Wuhan 430074, P. R. China
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China
| | - Bingguang Zhang
- Key Laboratory of Analytical Chemistry of State Ethnic Affairs Commission, South-Central Minzu University, Wuhan 430074, P. R. China
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South-Central Minzu University, Wuhan 430074, China
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6
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Polat F. Development of a simple analytical method for the determination of nitrite in waters using redox reaction and smartphone. ANAL SCI 2022; 38:1207-1212. [PMID: 35793000 DOI: 10.1007/s44211-022-00146-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Accepted: 06/13/2022] [Indexed: 11/26/2022]
Abstract
In this study, it was aimed to perform the colorimetric determination of nitrite in waters using the redox reaction of iodide in acidic conditions with smartphone. The simple redox reaction of iodide and nitrite in an acidic medium was used instead of the conventional nitrite methods based on the formation of azo dye. The quantitative relationship between the yellow-colored iodine formed because of the reaction and nitrite was determined by the digital image-based colorimetric method (DIC). In the optimal experimental conditions, detection limit and R2 values were determined as 0.02 mg/L and 0.9925, respectively. New method (Redox-DIC method) was validated by the standard Griess Method for nitrite in lake waters. The perfect recovery results (94-112%) were calculated for lake, river, tap, and spring waters spiked at different concentrations, and very good (< 5.0%) percent relative standard deviation values were recorded. Unlike conventional nitrite methods, organic reagents and solvents were not used in this method. The method is fast, simple, and low cost.
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Affiliation(s)
- Fatih Polat
- Department of Laboratory Technology, Almus Vocational School, Tokat Gaziosmanpasa University, Tokat, Turkey.
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7
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Xu C, Du K, Wu Y, Tan L, Li X. A Cycloruthenated Complex: Detecting Hg
2+
by Hg
2+
‐promoted Coordination Switch and Cu
2+
by Coordination. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6806] [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)
- Ce Xu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South‐Central Minzu University Wuhan China
| | - Kang Du
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South‐Central Minzu University Wuhan China
| | - Yuhao Wu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South‐Central Minzu University Wuhan China
| | - Lin Tan
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South‐Central Minzu University Wuhan China
| | - Xianghong Li
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science, South‐Central Minzu University Wuhan China
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8
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Hao Y, Yang Z, Dong W, Liu Y, Song S, Hu Q, Shuang S, Dong C, Gong X. Intelligently design primary aromatic amines derived carbon dots for optical dual-mode and smartphone imaging detection of nitrite based on specific diazo coupling. JOURNAL OF HAZARDOUS MATERIALS 2022; 430:128393. [PMID: 35149507 DOI: 10.1016/j.jhazmat.2022.128393] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 01/09/2022] [Accepted: 01/28/2022] [Indexed: 06/14/2023]
Abstract
Primary aromatic amines derived carbon dots (PAA-CDs) with the protonated amino groups and high quantum yield of 46% were favorably obtained by one-step solvothermal treatment of m-phenylenediamine (m-PDA) in acidic environment. The interaction between the PAA-CDs and nitrite (NO2-) was inherited the characteristic reaction of m-PDA (a primary aromatic amine) and NO2-, resulting in strong fluorescence quenching and obvious absorption variation of the PAA-CDs. Meanwhile, a chromogenic reaction of diazo coupling can cause significant color changes. Hence, the PAA-CDs were developed for an optical dual-mode and smartphone imaging sensor for NO2- detection in the range of 3.0 ~ 40.0 μM with high selectivity, good sensitivity, and excellent anti-interference capability. A limit of detection (LOD) of 0.024 μM and 0.16 μM was implemented by fluorometry and colorimetry, respectively. For smartphone imaging colorimetry, the LODs of 0.46 μM (visible color) and 0.99 μM (fluorescence color) were acquired. More importantly, the established sensor has been successfully applied for the dynamic detection of NO2- in various food samples with the satisfying results. A smartphone imaging colorimetry method based on the CDs was firstly proposed to visually and quantitatively detect NO2-, which will broaden the application range of the CDs in food safety inspection.
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Affiliation(s)
- Yumin Hao
- Institute of Environmental Science, Shanxi University, Taiyuan 030006, PR China
| | - Zhenhua Yang
- Institute of Environmental Science, Shanxi University, Taiyuan 030006, PR China
| | - Wenjuan Dong
- Institute of Environmental Science, Shanxi University, Taiyuan 030006, PR China
| | - Yang Liu
- Institute of Environmental Science, Shanxi University, Taiyuan 030006, PR China
| | - Shengmei Song
- Institute of Environmental Science, Shanxi University, Taiyuan 030006, PR China
| | - Qin Hu
- College of Food Chemistry and Engineering, Yangzhou University, Yangzhou 225001, PR China
| | - Shaomin Shuang
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, PR China
| | - Chuan Dong
- Institute of Environmental Science, Shanxi University, Taiyuan 030006, PR China.
| | - Xiaojuan Gong
- Institute of Environmental Science, Shanxi University, Taiyuan 030006, PR China.
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9
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Salhi O, Ez-zine T, Oularbi L, El Rhazi M. Electrochemical Sensing of Nitrite Ions Using Modified Electrode by Poly 1,8-Diaminonaphthalene/Functionalized Multi-Walled Carbon Nanotubes. Front Chem 2022; 10:870393. [PMID: 35372268 PMCID: PMC8966090 DOI: 10.3389/fchem.2022.870393] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Accepted: 03/02/2022] [Indexed: 01/17/2023] Open
Abstract
A novel electrochemical sensor based on conducting polymer and multi-walled carbon nanotubes was reported for the detection of nitrite ions (NO2−). The hybrid material poly 1,8-Diaminonaphthalene (poly 1,8-DAN)/functionalized multi-walled carbon nanotubes (f-MWCNT) was prepared by using a simple electrochemical approach which is based on the deposition of functionalized multi-walled carbon nanotubes (f-MWCNT) on the surface of the electrode followed by the electropolymerization of 1,8-DAN using cyclic voltammetry. The morphology and the electro-catalytic properties of the obtained electrodes were investigated with Fourier Transform Infrared Spectroscopy (FTIR), Transmission Electron Microscopy (TEM), Cyclic Voltammetry (CV), and Electrochemical Impedance Spectroscopy (EIS) showing an improvement of the electronic transfer due to the synergic effect between the proprieties of poly 1,8-DAN and f-MWCNT. Under the optimum experimental conditions, the poly 1,8-DAN/f-MWCNT/CPE exhibited excellent electro-catalytic activity towards nitrite detection. The nitrite anodic peak potential decreased by 210 mV compared to the bare carbon paste electrode. The calibration plot of nitrite detection was linear in the range of concentration from 300 to 6500 nM with a low detection limit of 75 nM.
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10
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El Hani O, Karrat A, Digua K, Amine A. Development of a simplified spectrophotometric method for nitrite determination in water samples. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 267:120574. [PMID: 34772633 DOI: 10.1016/j.saa.2021.120574] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 10/20/2021] [Accepted: 10/29/2021] [Indexed: 06/13/2023]
Abstract
A new eco-friendly, rapid, and sensitive spectrophotometric method was developed to determine small quantities of nitrite, based on a diazotization mechanism. In an acidic solution, sulfathiazole was first diazotized with sodium nitrite, followed by adding phosphate buffer to form a yellow-colored compound, which showed maximum absorption at 450 nm, without the need for the addition of coupling agents such as N-(1-naphthyl) ethylenediamine. The effects of reagents amount and the optimal experimental conditions were examined by Central composite design. The simplified method presented a wide linear range of nitrite between 0.091 μg mL-1 and 1.47 μg mL-1, a sensitivity of 0.447 Abs mL µg-1, a determination coefficient of 0.998, and a low limit of detection of 0.053 μg mL-1. The simplified method was found to be comparable to the Griess method. It was evaluated for the measurements of nitrite using the accuracy profile approach. The validation procedure results established that 80% of the future results would be within the acceptability limit of 10% over the validation domain ranging from 0.174 μg mL-1 to 1.37 μg mL-1. The developed method was furtherly applied in the determination of nitrite using a developed paper-based analytical device that detected a nitrite concentration of 3 μg mL-1 which is considered by the World Health Organization to be the maximal permissible limit of nitrite in drinking water.
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Affiliation(s)
- Ouarda El Hani
- Laboratory of Process Engineering and Environment, Faculty of Sciences and Techniques, Hassan II University of Casablanca, P. A. 146., Mohammedia, Morocco
| | - Abdelhafid Karrat
- Laboratory of Process Engineering and Environment, Faculty of Sciences and Techniques, Hassan II University of Casablanca, P. A. 146., Mohammedia, Morocco
| | - Khalid Digua
- Laboratory of Process Engineering and Environment, Faculty of Sciences and Techniques, Hassan II University of Casablanca, P. A. 146., Mohammedia, Morocco
| | - Aziz Amine
- Laboratory of Process Engineering and Environment, Faculty of Sciences and Techniques, Hassan II University of Casablanca, P. A. 146., Mohammedia, Morocco.
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11
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Liu Y, Zhu W, Wei X, Wang L, Chen H. Cyanine dye-assembled composite upconversion nanoparticles for the sensing and cell imaging of nitrite based on a single particle imaging method. Analyst 2022; 147:2793-2801. [DOI: 10.1039/d2an00594h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
An upconversion luminescence total internal reflection single particle imaging method was developed for the sensing and cell imaging of nitrite.
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Affiliation(s)
- Yunchun Liu
- Anhui Key Laboratory of Chemo-Biosensing, Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, PR China
| | - Wanru Zhu
- Anhui Key Laboratory of Chemo-Biosensing, Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, PR China
| | - Xinru Wei
- Anhui Key Laboratory of Chemo-Biosensing, Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, PR China
| | - Lun Wang
- Anhui Key Laboratory of Chemo-Biosensing, Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, PR China
| | - Hongqi Chen
- Anhui Key Laboratory of Chemo-Biosensing, Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, PR China
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12
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Ratiometric Colorimetric Detection of Nitrite Realized by Stringing Nanozyme Catalysis and Diazotization Together. BIOSENSORS-BASEL 2021; 11:bios11080280. [PMID: 34436083 PMCID: PMC8394333 DOI: 10.3390/bios11080280] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/13/2021] [Accepted: 08/16/2021] [Indexed: 11/16/2022]
Abstract
Due to the great threat posed by excessive nitrite in food and drinking water to human health, it calls for developing reliable, convenient, and low-cost methods for nitrite detection. Herein, we string nanozyme catalysis and diazotization together and develop a ratiometric colorimetric approach for sensing nitrite in food. First, hollow MnFeO (a mixture of Mn and Fe oxides with different oxidation states) derived from a Mn-Fe Prussian blue analogue is explored as an oxidase mimic with high efficiency in catalyzing the colorless 3,3′,5,5′-tetramethylbenzidine (TMB) oxidation to blue TMBox, presenting a notable signal at 652 nm. Then, nitrite is able to trigger the diazotization of the product TMBox, not only decreasing the signal at 652 nm but also producing a new signal at 445 nm. Thus, the analyte-induced reverse changes of the two signals enable us to establish a ratiometric colorimetric assay for nitrite analysis. According to the above strategy, facile determination of nitrite in the range of 3.3–133.3 μM with good specificity was realized, providing a detection limit down to 0.2 μM. Compared with conventional single-signal analysis, our dual-signal ratiometric colorimetric mode was demonstrated to offer higher sensitivity, a lower detection limit, and better anti-interference ability against external detection environments. Practical applications of the approach in examining nitrite in food matrices were also verified.
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13
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Salhi O, Ez‐zine T, El Rhazi M. Hybrid Materials Based on Conducting Polymers for Nitrite Sensing: A Mini Review. ELECTROANAL 2021. [DOI: 10.1002/elan.202100033] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ouissal Salhi
- Laboratory of Materials Membranes and Environment Morocco Faculty of Sciences and Technologies University Hassan II Casablanca P.B. 146 Mohammedia 20800 Morocco
| | - Tarik Ez‐zine
- Laboratory of Materials Membranes and Environment Morocco Faculty of Sciences and Technologies University Hassan II Casablanca P.B. 146 Mohammedia 20800 Morocco
| | - Mama El Rhazi
- Laboratory of Materials Membranes and Environment Morocco Faculty of Sciences and Technologies University Hassan II Casablanca P.B. 146 Mohammedia 20800 Morocco
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Yilmaz MD. A novel ratiometric and colorimetric probe for rapid and ultrasensitive detection of nitrite in water based on an Acenaphtho[1,2-d] imidazole derivative. Anal Chim Acta 2021; 1166:338597. [PMID: 34022992 DOI: 10.1016/j.aca.2021.338597] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 04/27/2021] [Accepted: 04/28/2021] [Indexed: 10/21/2022]
Abstract
The concentration of nitrite (NO2-) ions above allowable limits in water resources and food stuffs is considered hazardous and has been proven to be of great threat to the environment and public health. In this work, an acenaphtho [1,2-d] imidazole derivative (1) as a ratiometric colorimetric probe is developed. UV-Vis experiments demonstrate that the probe 1 shows excellent selectivity toward NO2- in the presence of other potential interfering species, a rapid response (20 s) and a low detection limit (100 nM) by a distinct visual color change with a bathochromic shift of 120 nm from colorless to intense yellow. Besides, this probe is further used for the quantification of nitrite ions in environmental water resources such as tap water, underground water, and surface water samples. The high recoveries (96-99% with relative standard deviations (RSD) of <2.0%) make the probe 1 a promising candidate for practical applications in daily life in the detection of nitrite ions.
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Affiliation(s)
- M Deniz Yilmaz
- Department of Bioengineering, Faculty of Engineering and Architecture, Konya Food and Agriculture University, 42080, Konya, Turkey; Research and Development Center for Diagnostic Kits (KIT-ARGEM), Konya Food and Agriculture University, 42080, Konya, Turkey.
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15
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Ait Ramdane K, Terbouche A, Ait Ramdane-Terbouche C, Lakhdari H, Bachari K, Merazig H, Roisnel T, Hauchard D, Mezaoui D. Crystal structure, characterization and chemical reactivity of novel piperazine derivative ligand for electrochemical recognition of nitrite anion. J CHEM SCI 2021. [DOI: 10.1007/s12039-020-01879-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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16
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Wu Y, Su X, Xie C, Hu R, Li X, Zhao Q, Zheng G, Yan J. First cycloruthenation of 2-alkenylpyridines: synthesis, characterization and properties. RSC Adv 2021; 11:4138-4146. [PMID: 35424326 PMCID: PMC8694343 DOI: 10.1039/d0ra09833g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 01/05/2021] [Indexed: 11/21/2022] Open
Abstract
Several cyclometalated ruthenium complexes 1-5 with 2-alkenylpyridines as C,N-chelating ligands were synthesized and then characterized by NMR, MS, IR and UV-Vis spectra. According to the single crystal of complex 2, it is evident that carbon from vinyl group is successfully bonded to Ru(ii) center. Moreover, the Ru-N bond trans to the Ru-C bond is elongated (2.127(5) Å), which is consistent with the strong trans effect of the carbon atom compared to that of the nitrogen atom. With different electron-donating groups linked to vinyl, these complexes exhibited regular changes in MLCT absorption bands, which were identified by UV-Vis and CV spectra in combination with DFT and TD-DFT. Interestingly, protonated intermediate species of these complexes in acidic solutions were tracked by the absorption changes and MS spectra, which displayed a possible protonation process of these complexes with the cleavage of Ru-C σ bonds.
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Affiliation(s)
- Yuhao Wu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education, Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities Wuhan 430074 China
| | - Xianlong Su
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education, Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities Wuhan 430074 China
| | - Chaoyi Xie
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education, Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities Wuhan 430074 China
| | - Rongrong Hu
- Key Laboratory for Organic Electronics & Information Displays (KLOEID), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications (NUPT) Nanjing 210023 China
| | - Xianghong Li
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education, Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities Wuhan 430074 China
| | - Qiang Zhao
- Key Laboratory for Organic Electronics & Information Displays (KLOEID), Institute of Advanced Materials (IAM), Nanjing University of Posts & Telecommunications (NUPT) Nanjing 210023 China
| | - Guoli Zheng
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education, Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities Wuhan 430074 China
| | - Junkun Yan
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education, Hubei Key Laboratory of Catalysis and Materials Science, South-Central University for Nationalities Wuhan 430074 China
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17
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Gao B, Zhao X, Liang Z, Wu Z, Wang W, Han D, Niu L. CdS/TiO 2 Nanocomposite-Based Photoelectrochemical Sensor for a Sensitive Determination of Nitrite in Principle of Etching Reaction. Anal Chem 2020; 93:820-827. [PMID: 33319981 DOI: 10.1021/acs.analchem.0c03315] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The CdS/TiO2 nanocomposite (NC) photoelectrochemical (PEC) sensor was constructed based on a new sensing strategy for nitrite assay. The CdS etching process caused by nitrite-in-acid solution was confirmed and applied to nitrite sensing. The CdS etching phenomenon occurring on the sensor led to an obvious reduction in the photocurrent response under visible-light irradiation, which responded to the nitrite concentration. The CdS/TiO2 NC-based PEC sensor exhibited excellent performance on nitrite detection. The linear range for nitrite determination was from 1-100 and 100-500 μM, and the sensitivity of the PEC sensor was 2.91 and 0.186 μA μM-1 cm-2, respectively. The detection limit of the sensor was 0.56 μM (S/N = 3). In addition, the PEC sensor was also equipped with advantages such as good selectivity, excellent stability, low background, and recyclability. Satisfying results were obtained for the nitrite assay in real samples by such a PEC sensor. In summary, this work contributed a fresh idea to precisely determinate nitrite through PEC sensing.
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Affiliation(s)
- Bowen Gao
- Center for Advanced Analytical Science, School of Chemistry and Chemical Engineering c/o School of Civil Engineering, Guangzhou University, Guangzhou 510006, P. R. China
| | - Xin Zhao
- Center for Advanced Analytical Science, School of Chemistry and Chemical Engineering c/o School of Civil Engineering, Guangzhou University, Guangzhou 510006, P. R. China.,State Key Laboratory of Electroanalytical Chemistry, c/o Engineering Laboratory for Modern Analytical Techniques, CAS Center for Excellence in Nanoscience, Changchun Institute of Applied Chemistry, Changchun 130022, P. R. China.,University of Chinese Academy of Sciences, Beijing 100039, P. R. China
| | - Zhishan Liang
- Center for Advanced Analytical Science, School of Chemistry and Chemical Engineering c/o School of Civil Engineering, Guangzhou University, Guangzhou 510006, P. R. China
| | - Zhifang Wu
- Center for Advanced Analytical Science, School of Chemistry and Chemical Engineering c/o School of Civil Engineering, Guangzhou University, Guangzhou 510006, P. R. China
| | - Wei Wang
- Center for Advanced Analytical Science, School of Chemistry and Chemical Engineering c/o School of Civil Engineering, Guangzhou University, Guangzhou 510006, P. R. China
| | - Dongxue Han
- Center for Advanced Analytical Science, School of Chemistry and Chemical Engineering c/o School of Civil Engineering, Guangzhou University, Guangzhou 510006, P. R. China.,University of Chinese Academy of Sciences, Beijing 100039, P. R. China
| | - Li Niu
- Center for Advanced Analytical Science, School of Chemistry and Chemical Engineering c/o School of Civil Engineering, Guangzhou University, Guangzhou 510006, P. R. China.,State Key Laboratory of Electroanalytical Chemistry, c/o Engineering Laboratory for Modern Analytical Techniques, CAS Center for Excellence in Nanoscience, Changchun Institute of Applied Chemistry, Changchun 130022, P. R. China.,University of Chinese Academy of Sciences, Beijing 100039, P. R. China
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18
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Sensitive and selective nitrite assay based on fluorescent gold nanoclusters and Fe2+/Fe3+ redox reaction. Food Chem 2020; 317:126456. [DOI: 10.1016/j.foodchem.2020.126456] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Revised: 01/20/2020] [Accepted: 02/19/2020] [Indexed: 02/07/2023]
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19
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Wu H, Tong C. Dual-Emission Fluorescent Probe for the Simultaneous Detection of Nitrite and Mercury(II) in Environmental Water Samples Based on the Tb3+-Modified Carbon Quantum Dot/3-Aminophenylboronic Acid Hybrid. Anal Chem 2020; 92:8859-8866. [DOI: 10.1021/acs.analchem.0c00455] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Huifang Wu
- Key Laboratory of Environmental Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Changlun Tong
- Key Laboratory of Environmental Remediation and Ecological Health, Ministry of Education, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
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20
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Hou J, Wu H, Shen X, Zhang C, Hou C, He Q, Huo D. Phenosafranin-Based Colorimetric-Sensing Platform for Nitrite Detection Enabled by Griess Assay. SENSORS 2020; 20:s20051501. [PMID: 32182908 PMCID: PMC7085749 DOI: 10.3390/s20051501] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 02/28/2020] [Accepted: 02/29/2020] [Indexed: 11/16/2022]
Abstract
A facile and effective colorimetric-sensing platform based on the diazotization of phenosafranin for the detection of NO 2 - under acidic conditions using the Griess assay is presented. Diazotization of commercial phenosafranin produces a color change from purplish to blue, which enables colorimetric quantitative detection of NO 2 - . Optimal detection conditions were obtained at a phenosafranin concentration of 0.25 mM, HCl concentration of 0.4 M, and reaction time of 20 min. Under the optimized detection conditions, an excellent linearity range from 0 to 20 μM was obtained with a detection limit of 0.22 μM. Favorable reproducibility and selectivity of the colorimetric sensing platform toward NO 2 - were also verified. In addition, testing spiked ham sausage, bacon, and sprouts samples demonstrated its excellent practicability. The presented colorimetric sensing platform is a promising candidate for the detection of NO 2 - in real applications.
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Affiliation(s)
- Jingzhou Hou
- Key Laboratory of Eco-Environment of Three Gorges Region of Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing 400045, China;
- Solid-state Fermentation Resource Utilization Key Laboratory of Sichuan Province, Yibin University, Yibin 644000, China;
| | - Huixiang Wu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, China; (H.W.); (X.S.); (C.H.)
- School of Chemistry and Chemical Engineering, Guangzhou Key Laboratory of Clean Energy and Materials, Guangzhou University, Guangzhou 510006, China
| | - Xin Shen
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, China; (H.W.); (X.S.); (C.H.)
| | - Chao Zhang
- Solid-state Fermentation Resource Utilization Key Laboratory of Sichuan Province, Yibin University, Yibin 644000, China;
| | - Changjun Hou
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, China; (H.W.); (X.S.); (C.H.)
| | - Qiang He
- Key Laboratory of Eco-Environment of Three Gorges Region of Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing 400045, China;
- Correspondence: (Q.H.); (D.H.); Tel.: +86-023-6512-7226 (Q.H.); +86-023-6511-2673 (D.H.)
| | - Danqun Huo
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, China; (H.W.); (X.S.); (C.H.)
- Chongqing Key Laboratory of Bio-perception & Intelligent Information Processing, School of Microelectronics and Communication Engineering, Chongqing University, Chongqing 400044, China
- Correspondence: (Q.H.); (D.H.); Tel.: +86-023-6512-7226 (Q.H.); +86-023-6511-2673 (D.H.)
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21
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Li X, Du K, Xie C, Wu Y, Zhang B, Tang D. A highly sensitive and selective colorimetric probe based on a cycloruthenated complex: an Hg 2+-promoted switch of thiophene coordination. Dalton Trans 2020; 49:2024-2032. [PMID: 31993593 DOI: 10.1039/c9dt02934f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A cyclometalated ruthenium complex [Ru(pthb)(bpy)2]+ (1, bpy = 2,2'-bipyridine, Hpthb = 3,3-dimethyl-2-(5-pyridylthiophen-2-yl)vinyl-benzo[e]indolium-1-propylsulfonate) could be converted from a C-coordinated structure to non-metallated species with N,S-bonded Hpthb upon treatment with mercury(ii) ions in water. Strikingly, the switch in the coordination mode resulted in a great absorption change along with a change in the solution color of 1 from dark red to light yellow. Therefore, 1 can be used as a colorimetric probe to detect mercury(ii) ions by the naked eye. Although the emission was not observed for 1 in water, it still demonstrated an appreciably low detection limit of 21 nM by using UV-Vis absorption spectroscopy, which was comparable with those of some probes determined by ratiometric fluorescence spectroscopy.
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Affiliation(s)
- Xianghong Li
- Key Laboratory of Analytical Chemistry of State Ethnic Affairs Commission, School of Chemistry and Materials Science, South-Central University for Nationalities, Wuhan 430074, PR China.
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22
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Wu H, Shen X, Huo D, Ma Y, Bian M, Shen C, Hou C. Fluorescent and colorimetric dual-readout sensor based on Griess assay for nitrite detection. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 225:117470. [PMID: 31476649 DOI: 10.1016/j.saa.2019.117470] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 08/10/2019] [Accepted: 08/14/2019] [Indexed: 06/10/2023]
Abstract
In this work, we presented a sensitive and selective colorimetric and fluorescent dual-readout sensor based on Griess assay for nitrite (NO2-) detection under acidic condition. The sensor system was constituted of acid-resistant carbon quantum dots (CQDs) and 3-aminophenol (3-Aph) with acidic condition regulated using HCl. During the sensing procedure, reaction of 3-Aph and NO2- under acidic condition can yield a yellow-colored azoic compound (AZO), which gives the colorimetric readout; meanwhile, the fluorescence of CQDs (fluorescence reporter) quenched due to the strong absorption of AZO, leading to fluorescent readout. Wherein, CQDs were synthesized via hydrothermal method through using polyacrylamide as precursor and characterized by AFM, XRD and XPS. Under the optimized condition, the sensor exhibit broad linear relationships towards NO2- in the range of 10 to 100 nM and 2.5 to 100 μM, with practical detection limits of 10 nM and 2.5 μM for the fluorescent and colorimetric readout, respectively. And the sensor displayed excellent capability of selectivity according to interferences study. Furthermore, testing of sprouts, bacon and ham sausage real samples demonstrated good recoveries and reproducibility of the sensor system. All these results suggested the presented colorimetric and fluorescent dual-readout sensor can be a promising candidate for the NO2- detection in real applications.
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Affiliation(s)
- Huixiang Wu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, PR China; School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, PR China
| | - Xin Shen
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, PR China
| | - Danqun Huo
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, PR China; Liquor Making Biology Technology and Application of Key Laboratory of Sichuan Province, College of Bioengineering, Sichuan University of Science and Engineering, Zigong 643000, PR China
| | - Yi Ma
- Liquor Making Biology Technology and Application of Key Laboratory of Sichuan Province, College of Bioengineering, Sichuan University of Science and Engineering, Zigong 643000, PR China.
| | - Minghong Bian
- Liquor Making Biology Technology and Application of Key Laboratory of Sichuan Province, College of Bioengineering, Sichuan University of Science and Engineering, Zigong 643000, PR China
| | - Caihong Shen
- National Engineering Research Center of Solid-State Brewing, Luzhou Laojiao Group Co. Ltd., Luzhou 646000, PR China
| | - Changjun Hou
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, PR China.
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23
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Chan SC, Wong CY. Recent developments in ruthenium–nitrosoarene chemistry: Unconventional synthetic strategies, new ligand designs, and exploration of ligands redox non-innocence. Coord Chem Rev 2020. [DOI: 10.1016/j.ccr.2019.213082] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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24
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Fluorometric determination of nitrite through its catalytic effect on the oxidation of iodide and subsequent etching of gold nanoclusters by free iodine. Mikrochim Acta 2019; 186:619. [PMID: 31410575 DOI: 10.1007/s00604-019-3729-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 08/01/2019] [Indexed: 10/26/2022]
Abstract
A method for sensitive detection of nitrite is presented. It is found that the red fluorescence of gold nanoclusters (with excitation/emission maxima at 365/635 nm) is quenched by traces of iodine via etching. Free iodide is formed by oxidation of iodide by bromate anion under the catalytic effect of nitrite. This catalytic process provides a sensitive means for nitrite detection. Under the optimal conditions, fluorescence linearly dropos in the 10 nM to 0.8 μM nitrite concentration range. The limit of detection is 1.1 nM. This is a few orders of magnitude lower than the maximum concentration allowed by authorities. Graphical abstract Schematic representation of a method for detection of nitrite via a redox reaction. Iodine was produced in the reaction and subsequently quenched the fluorescence from gold nanoclusters by etching their metallic cores, and a sensitive assay for nitrite down to 1.1 nM was developed.
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Mali S, Narwade SS, Navale YH, Patil VB, Sathe BR. Facile synthesis of highly porous CuO nanoplates (NPs) for ultrasensitive and highly selective nitrogen dioxide/nitrite sensing. RSC Adv 2019; 9:5742-5747. [PMID: 35515911 PMCID: PMC9060789 DOI: 10.1039/c8ra09299k] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2018] [Accepted: 01/30/2019] [Indexed: 11/21/2022] Open
Abstract
Copper oxide (CuO) nanoplates (NPs of ∼100 nm width) were successfully synthesized via a chemical method (emulsion method). Superior catalytic activities towards both chemical and electrochemical sensing of nitrite were achieved. Copper oxide (CuO) nanoplates (NPs of ∼100 nm width) have been successfully synthesized by using a chemical method (emulsion method). Superior catalytic activities towards both chemical and electrochemical sensing of nitrite were achieved.![]()
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Affiliation(s)
- Shivsharan M. Mali
- Department of Chemistry
- Dr Babasaheb Ambedkar Marathwada University
- Aurangabad
- India
| | - Shankar S. Narwade
- Department of Chemistry
- Dr Babasaheb Ambedkar Marathwada University
- Aurangabad
- India
| | - Yuraj H. Navale
- Functional Materials Research Laboratory
- School of Physical Sciences
- Solapur University
- Solapur
- India
| | - Vikas. B. Patil
- Functional Materials Research Laboratory
- School of Physical Sciences
- Solapur University
- Solapur
- India
| | - Bhaskar R. Sathe
- Department of Chemistry
- Dr Babasaheb Ambedkar Marathwada University
- Aurangabad
- India
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Yin J, Zhang W, Zhang Z, Jin H, Gao W, Jian J, Jin Q. Batch microfabrication and testing of a novel silicon-base miniaturized reference electrode with an ion-exchanging nanochannel array for nitrite determination. RSC Adv 2019; 9:19699-19706. [PMID: 35519384 PMCID: PMC9065324 DOI: 10.1039/c9ra01987a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 06/07/2019] [Indexed: 12/03/2022] Open
Abstract
The reference electrode (RE) provides a stable potential for electrochemical detection; therefore, the RE plays an important role in environmental monitoring. In this paper, a novel batch of microfabricated silicon-base miniaturized Ag/AgCl RE was reported. A specially designed mini-tank for saturated KCl solution storage and a nanochannel array for ion-exchange were fabricated on a 4 inch (100) silicon wafer using a two-step KOH anisotropic etching process. An Ag/AgCl electrode was fabricated on a 4 inch Pyrex 7740 glass substrate. Finally, the finished silicon and glass substrates were anode bonded to form the entire system. By comparing with a conventional solid-state Ag/AgCl RE in electrochemical microsensors, a pre-packaged saturated KCl solution in the mini-tank provided a stable working environment for the Ag/AgCl electrode to ensure a constant reference potential. Compared with a routine glass-structured RE and by replacing the ion-exchange membrane with a nanochannel array, the miniaturized RE achieved a longer lifetime. The size of the finished miniaturized RE electrode was 11 mm × 14 mm. The reference potential variation was only 0.1 mV under continuous testing for 3000 s. The standard deviation in the reference potential was only 1.314 mV in different Na2SO4 buffer concentrations ranging from 3 mM to 30 mM. To verify the practicality of the novel silicon-base miniaturized RE, the fabricated RE was applied to measure the amount of nitrite in a water sample and achieved a better linearity of R2 = 0.998. This miniaturized RE showed better reference potential stability and consistency because of the batch fabrication technique. This novel strategy for the design and manufacture of the miniaturized RE shows a bright future in the wide use of electrochemical sensors in online monitoring of water pollutants. In this paper, a miniaturized Ag/AgCl reference electrode, which can be mass-produced by micro–nano manufacturing technology, was developed and demonstrated to have good stability and a long lifetime.![]()
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Affiliation(s)
- Jiawen Yin
- Faculty of Electrical Engineering and Computer Science
- Ningbo University
- Ningbo
- P. R. China
| | - Wei Zhang
- State Key Laboratory of Transducer Technology
- Center for Excellence in Superconducting Electronics
- Shanghai Institute of Microsystem and Information Technology
- Chinese Academy of Sciences
- Shanghai 200050
| | - Zan Zhang
- Faculty of Electrical Engineering and Computer Science
- Ningbo University
- Ningbo
- P. R. China
| | - Han Jin
- Faculty of Electrical Engineering and Computer Science
- Ningbo University
- Ningbo
- P. R. China
| | - Wanlei Gao
- Faculty of Electrical Engineering and Computer Science
- Ningbo University
- Ningbo
- P. R. China
| | - Jiawen Jian
- Faculty of Electrical Engineering and Computer Science
- Ningbo University
- Ningbo
- P. R. China
| | - Qinghui Jin
- Faculty of Electrical Engineering and Computer Science
- Ningbo University
- Ningbo
- P. R. China
- State Key Laboratory of Transducer Technology
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27
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Martinez-Cisneros C, da Rocha Z, Seabra A, Valdés F, Alonso-Chamarro J. Highly integrated autonomous lab-on-a-chip device for on-line and in situ determination of environmental chemical parameters. LAB ON A CHIP 2018; 18:1884-1890. [PMID: 29869662 DOI: 10.1039/c8lc00309b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
The successful integration of sample pretreatment stages, sensors, actuators and electronics in microfluidic devices enables the attainment of complete micro total analysis systems, also known as lab-on-a-chip devices. In this work, we present a novel monolithic autonomous microanalyzer that integrates microfluidics, electronics, a highly sensitive photometric detection system and a sample pretreatment stage consisting on an embedded microcolumn, all in the same device, for on-line determination of relevant environmental parameters. The microcolumn can be filled/emptied with any resin or powder substrate whenever required, paving the way for its application to several analytical processes: separation, pre-concentration or ionic-exchange. To promote its autonomous operation, avoiding issues caused by bubbles in photometric detection systems, an efficient monolithic bubble removal structure was also integrated. To demonstrate its feasibility, the microanalyzer was successfully used to determine nitrate and nitrite in continuous flow conditions, providing real time and continuous information.
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28
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Ghanei-Motlagh M, Taher MA. A novel electrochemical sensor based on silver/halloysite nanotube/molybdenum disulfide nanocomposite for efficient nitrite sensing. Biosens Bioelectron 2018; 109:279-285. [DOI: 10.1016/j.bios.2018.02.057] [Citation(s) in RCA: 115] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 02/12/2018] [Accepted: 02/26/2018] [Indexed: 02/01/2023]
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