1
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Wang X, Guo Y, Zhao L, Yang Y, Wei P, Yi T. Conditionally restricted detection of nitrite under acidic conditions by activatable fluorescent probes. JOURNAL OF HAZARDOUS MATERIALS 2024; 478:135495. [PMID: 39181006 DOI: 10.1016/j.jhazmat.2024.135495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Revised: 07/30/2024] [Accepted: 08/11/2024] [Indexed: 08/27/2024]
Abstract
As a commonly used food additive, excessive nitrite intake seriously affects people's health in daily life. As the stomach is the main organ involved in nitrite intake, achieving fast and in situ detection of nitrite in the stomach is of great significance for avoiding the hazards caused by nitrite. However, owing to the poor stability or low sensitivity of existing fluorescent probes under acidic conditions, their application for nitrite detection within the stomach remains challenging. To solve this problem, we developed novel probes specifically designed to maintain stability and demonstrate high sensitivity to nitrite under acidic conditions. Utilizing the optimized probe (DHUROS-11), nitrite levels in environmental and real samples were successfully quantified. Notably, tracing of nitrite within the stomach of mice in real time was realized by using DHUROS-11 as the probe.
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Affiliation(s)
- Xiang Wang
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China
| | - Yu Guo
- Department of Laboratory Animal Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China
| | - Long Zhao
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China
| | - Yuqin Yang
- Department of Laboratory Animal Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200080, China.
| | - Peng Wei
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China.
| | - Tao Yi
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China.
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2
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Wen Y, Tang C, Shen Q, Dong S, Wang Y, Li Y, Shao S. An efficient ratiometric fluorescence and colorimetric dual-mode probe for convenient determination of nitrite in real samples and E. coli. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:4865-4872. [PMID: 38973349 DOI: 10.1039/d4ay00417e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/09/2024]
Abstract
Developing an effective and convenient nitrite detection method is indispensable in food safety, environmental monitoring, clinical diagnosis of diseases, and many other areas. Herein, a dicyanoisophorone derivative, TMN-NH2 with large Stokes shift and near-infrared (NIR) emission, was proposed as a ratiometric fluorescence and colorimetric dual-mode probe for the rapid determination of NO2- in acidic media, showing excellent selectivity and high sensitivity. The sensing mechanism is based on the diazotization of TMN-NH2 with NO2- and subsequent diazonium salt hydrolysis to form a hydroxyl-substituted product (TMN-OH). Under the optimized conditions of reaction and detection, a new quantitative analysis method based on TMN-NH2 was established for NO2- detection, exhibiting good linear relationships to NO2- in the range of 0.5 to 15 μM with practical detection limits of 26.6 nM and 17.6 nM for the colorimetric and fluorescent readout, respectively. The quantitative detection of NO2- in real samples demonstrated satisfactory recoveries and repeatability. Moreover, TMN-NH2 was successfully applied for monitoring NO2- in Escherichia coli by confocal fluorescence imaging.
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Affiliation(s)
- Yujie Wen
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China.
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100049, PR China
| | - Cong Tang
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100049, PR China
| | - Qing Shen
- University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing 100049, PR China
| | - Shuqing Dong
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China.
| | - Yaya Wang
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China.
| | - Yunchun Li
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China.
| | - Shijun Shao
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China.
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Sargazi M, Kaykhaii M. Application of a smartphone based spectrophotometer for rapid in-field determination of nitrite and chlorine in environmental water samples. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 227:117672. [PMID: 31669937 DOI: 10.1016/j.saa.2019.117672] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 10/09/2019] [Accepted: 10/15/2019] [Indexed: 06/10/2023]
Abstract
In this paper, a low cost and portable smartphone-based spectrophotometer with the purpose of measuring trace levels of two important anions, chlorine and nitrite ions in water samples, is introduced. This home-made spectrophotometer is made of Plexiglas, equipped with two LEDs as a light source, and a piece of DVD is acted as light dispersing element. Battery of smartphone was used as its power supply and spectral analysis was performed by a free software downloadable from Google Playstore. By using this lightweight spectrophotometer, various environmental samples were analyzed for their NO2- and Cl2 content in field. Good detection limits of 5.00 × 10-2 mg L-1 and 8.60 × 10-3 mg L-1 were obtained for chlorine and nitrite, respectively. The linear range for chlorine was 1.00-4.00 mg L-1 and this range for nitrite was 0.05-1.20 mg L-1. Reproducibility as relative standard deviation for both chlorine and nitrite was better than 8.75%. In order to investigate validity of data, results were compared to standard methods of measuring chlorine and nitrite, using both spectrophotometry and commercial kits which showed no difference between results obtained. This very simple to use and inexpensive device can be used many times, so can be considered as a low-cost alternative to the detection device of commercial kits.
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Affiliation(s)
- Mona Sargazi
- Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan, 98135-674, Iran
| | - Massoud Kaykhaii
- Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan, 98135-674, Iran; Smartphone Analytical Sensors Research Centre, University of Sistan and Baluchestan, Zahedan, Iran.
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4
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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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5
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Carbon dots based dual-emission silica nanoparticles as ratiometric fluorescent probe for nitrite determination in food samples. Food Chem 2018; 260:13-18. [DOI: 10.1016/j.foodchem.2018.03.150] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Revised: 03/18/2018] [Accepted: 03/31/2018] [Indexed: 11/13/2022]
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6
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Singh P, Singh MK, Beg YR, Nishad GR. A review on spectroscopic methods for determination of nitrite and nitrate in environmental samples. Talanta 2018; 191:364-381. [PMID: 30262072 DOI: 10.1016/j.talanta.2018.08.028] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 08/06/2018] [Accepted: 08/07/2018] [Indexed: 12/20/2022]
Abstract
Nitrate is an important pollutant found in environmental samples. Nitrate and nitrite pose various environmental as well as health hazards. Different methods of determining nitrate in various environmental samples developed during previous years include spectrophotometric, chemiluminescence, electrochemical detection, chromatographic, capillary electrophoretic, spectrofluorimetric methods. Out of these, methods based on spectroscopic detection of nitrate have been discussed in this review article due to their easy availability, high sensitivity, low detection limit, economical and facile nature. Methods based on spectrophotometry, Raman Spectroscopy, IR and FTIR Spectroscopy, atomic absorption spectroscopy (AAS), fluorescence spectroscopy, chemiluminescence, mass spectroscopy, molecular emission cavity analysis (MECA), electron paramagnetic resonance spectrometry (EPR) and nuclear magnetic resonance spectroscopy (NMR) have been reviewed. The basic principle, detection limits, detection range, RSD%, sample throughput/h, advantages and disadvantages have been discussed.
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Affiliation(s)
- Priyanka Singh
- Department of Chemistry, Govt. Digvijay PG Autonomous College, Rajnandgaon 491441, Chhattisgarh, India.
| | | | - Younus Raza Beg
- Department of Chemistry, Govt. Digvijay PG Autonomous College, Rajnandgaon 491441, Chhattisgarh, India
| | - Gokul Ram Nishad
- Department of Chemistry, Govt. Digvijay PG Autonomous College, Rajnandgaon 491441, Chhattisgarh, India
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7
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Li Y, Zhang Y, al-karim Ali A, Danielson ND. Determination of Nitrite Through S-Nitrosocaptopril Formation and Fluorescent Derivatization of Remaining Captopril Using o-Phthalaldehyde and Glycine. ANAL LETT 2018. [DOI: 10.1080/00032719.2018.1484470] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Youxin Li
- Department of Chemistry and Biochemistry, Miami University, Oxford, OH, USA
| | - Ying Zhang
- Department of Chemistry and Biochemistry, Miami University, Oxford, OH, USA
| | - Abd al-karim Ali
- Department of Chemistry and Biochemistry, Miami University, Oxford, OH, USA
| | - Neil D. Danielson
- Department of Chemistry and Biochemistry, Miami University, Oxford, OH, USA
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8
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Stefan-van Staden RI, Mincu M, van Staden JF, Gugoasa LA. Molecular Recognition of Nitrites and Nitrates in Water Samples Using Graphene-Based Stochastic Microsensors. Anal Chem 2018; 90:9997-10000. [DOI: 10.1021/acs.analchem.8b02467] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Raluca-Ioana Stefan-van Staden
- Laboratory of Electrochemistry and PATLAB, National Institute of Research for Electrochemistry and Condensed Matter, 202 Splaiul Independentei Str., 060021 Bucharest-6, Romania
- Faculty of Applied Chemistry and Material Sciences, University Politehnica of Bucharest, Bucharest, Romania
| | - Mariana Mincu
- Faculty of Applied Chemistry and Material Sciences, University Politehnica of Bucharest, Bucharest, Romania
| | - Jacobus Frederick van Staden
- Laboratory of Electrochemistry and PATLAB, National Institute of Research for Electrochemistry and Condensed Matter, 202 Splaiul Independentei Str., 060021 Bucharest-6, Romania
| | - Livia Alexandra Gugoasa
- Laboratory of Electrochemistry and PATLAB, National Institute of Research for Electrochemistry and Condensed Matter, 202 Splaiul Independentei Str., 060021 Bucharest-6, Romania
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9
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Lo HS, Lo KW, Yeung CF, Wong CY. Rapid visual and spectrophotometric nitrite detection by cyclometalated ruthenium complex. Anal Chim Acta 2017; 990:135-140. [DOI: 10.1016/j.aca.2017.07.018] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2017] [Revised: 06/15/2017] [Accepted: 07/09/2017] [Indexed: 12/25/2022]
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10
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Simple and sensitive determination of trace nitrite in water by zero-crossing first-derivative synchronous fluorescence spectrometry using 6-amino-1,3- naphthalenedisulfonic acid as a new fluorescent probe. Anal Bioanal Chem 2017; 409:4637-4646. [DOI: 10.1007/s00216-017-0409-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 04/16/2017] [Accepted: 05/11/2017] [Indexed: 11/26/2022]
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11
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Wang QH, Yu LJ, Liu Y, Lin L, Lu RG, Zhu JP, He L, Lu ZL. Methods for the detection and determination of nitrite and nitrate: A review. Talanta 2017; 165:709-720. [PMID: 28153321 DOI: 10.1016/j.talanta.2016.12.044] [Citation(s) in RCA: 194] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 12/17/2016] [Accepted: 12/20/2016] [Indexed: 10/20/2022]
Abstract
Various techniques for the determination of nitrite and/or nitrate developed during the past 15 years were reviewed in this article. 169 references were covered. The detection principles and analytical parameters such as matrix, detection limits and detection range of each method were tabulated. The advantages and disadvantages of various methods were evaluated. In comparison to other methods, spectrofluorimetric methods have become more attractive due to its facility availability, high sensitivity and selectivity, low limits of detection and low-cost.
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Affiliation(s)
- Qiu-Hua Wang
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Li-Ju Yu
- Xi'an Jiaotong University, Xi'an 710018, China; National Institutes for Food and Drug Control, Beijing 100050, China
| | - Yang Liu
- National Institutes for Food and Drug Control, Beijing 100050, China
| | - Lan Lin
- National Institutes for Food and Drug Control, Beijing 100050, China
| | - Ri-Gang Lu
- Guangxi Institute for Food and Drug Control, Guilin 530021, China
| | - Jian-Ping Zhu
- Guangxi Institute for Food and Drug Control, Guilin 530021, China
| | - Lan He
- College of Chemistry, Beijing Normal University, Beijing 100875, China; National Institutes for Food and Drug Control, Beijing 100050, China.
| | - Zhong-Lin Lu
- College of Chemistry, Beijing Normal University, Beijing 100875, China.
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12
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Chen J, Ma Q, Wang C, Hu X, Gao Y, Wang H, Qin D, Lu X. A simple fluorescence sensor for the detection of nitrite (NO2−) in real samples using water-dispersible graphite-like carbon nitride (w-g-C3N4) nanomaterials. NEW J CHEM 2017. [DOI: 10.1039/c7nj01446e] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel NO2− detection method based on the reaction of w-g-C3N4 with nitrite (NO2−) in an acidic medium.
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Affiliation(s)
- Jing Chen
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province
- College of Chemistry & Chemical Engineering
- Northwest Normal University
- P. R. China
| | - Qin Ma
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province
- College of Chemistry & Chemical Engineering
- Northwest Normal University
- P. R. China
| | - Caihe Wang
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province
- College of Chemistry & Chemical Engineering
- Northwest Normal University
- P. R. China
| | - Xiaoyan Hu
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province
- College of Chemistry & Chemical Engineering
- Northwest Normal University
- P. R. China
| | - Yunjing Gao
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province
- College of Chemistry & Chemical Engineering
- Northwest Normal University
- P. R. China
| | - Huan Wang
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province
- College of Chemistry & Chemical Engineering
- Northwest Normal University
- P. R. China
| | - Dongdong Qin
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province
- College of Chemistry & Chemical Engineering
- Northwest Normal University
- P. R. China
| | - Xiaoquan Lu
- Key Laboratory of Bioelectrochemistry & Environmental Analysis of Gansu Province
- College of Chemistry & Chemical Engineering
- Northwest Normal University
- P. R. China
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13
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Üzer A, Sağlam Ş, Can Z, Erçağ E, Apak R. Electrochemical Determination of Food Preservative Nitrite with Gold Nanoparticles/p-Aminothiophenol-Modified Gold Electrode. Int J Mol Sci 2016; 17:ijms17081253. [PMID: 27490543 PMCID: PMC5000651 DOI: 10.3390/ijms17081253] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Revised: 07/24/2016] [Accepted: 07/28/2016] [Indexed: 02/01/2023] Open
Abstract
Due to the negative impact of nitrate and nitrite on human health, their presence exceeding acceptable levels is not desired in foodstuffs. Thus, nitrite determination at low concentrations is a major challenge in electroanalytical chemistry, which can be achieved by fast, cheap, and safe electrochemical sensors. In this work, the working electrode (Au) was functionalized with p-aminothiophenol (p-ATP) and modified with gold nanoparticles (Au-NPs) to manufacture the final (Au/p-ATP-Aunano) electrode in a two-step procedure. In the first step, p-ATP was electropolymerized on the electrode surface to obtain a polyaminothiophenol (PATP) coating. In the second step, Au/p-ATP-Aunano working electrode was prepared by coating the surface with the use of HAuCl4 solution and cyclic voltammetry. Determination of aqueous nitrite samples was performed with the proposed electrode (Au/p-ATP-Aunano) using square wave voltammetry (SWV) in pH 4 buffer medium. Characteristic peak potential of nitrite samples was 0.76 V, and linear calibration curves of current intensity versus concentration was linear in the range of 0.5–50 mg·L−1 nitrite with a limit of detection (LOD) of 0.12 mg·L−1. Alternatively, nitrite in sausage samples could be colorimetrically determined with high sensitivity by means of p-ATP‒modified gold nanoparticles (AuNPs) and naphthylethylene diamine as coupling agents for azo-dye formation due to enhanced charge-transfer interactions with the AuNPs surface. The slopes of the calibration lines in pure NO2− solution and in sausage sample solution, to which different concentrations of NO2− standards were added, were not significantly different from each other, confirming the robustness and interference tolerance of the method. The proposed voltammetric sensing method was validated against the colorimetric nanosensing method in sausage samples.
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Affiliation(s)
- Ayşem Üzer
- Analytical Chemistry Division, Chemistry Department, Faculty of Engineering, Istanbul University, Avcilar, 34320 Istanbul, Turkey.
| | - Şener Sağlam
- Analytical Chemistry Division, Chemistry Department, Faculty of Engineering, Istanbul University, Avcilar, 34320 Istanbul, Turkey.
| | - Ziya Can
- Analytical Chemistry Division, Chemistry Department, Faculty of Engineering, Istanbul University, Avcilar, 34320 Istanbul, Turkey.
| | - Erol Erçağ
- Analytical Chemistry Division, Chemistry Department, Faculty of Engineering, Istanbul University, Avcilar, 34320 Istanbul, Turkey.
| | - Reşat Apak
- Analytical Chemistry Division, Chemistry Department, Faculty of Engineering, Istanbul University, Avcilar, 34320 Istanbul, Turkey.
- Turkish Academy of Sciences (TUBA) Piyade st. No: 27, 06690 Çankaya Ankara, Turkey.
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14
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Highly selective and sensitive fluorescent probe for the detection of nitrite. Talanta 2016; 152:155-61. [DOI: 10.1016/j.talanta.2016.01.059] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Revised: 01/22/2016] [Accepted: 01/28/2016] [Indexed: 01/17/2023]
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15
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Wang Q, Ma S, Huang H, Cao A, Li M, He L. Highly sensitive and selective spectrofluorimetric determination of nitrite in food products with a novel fluorogenic probe. Food Control 2016. [DOI: 10.1016/j.foodcont.2015.11.023] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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16
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A Highly Sensitive and Selective Spectrofluorimetric Method for the Determination of Nitrite in Food Products. FOOD ANAL METHOD 2015. [DOI: 10.1007/s12161-015-0306-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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17
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Saeed AA, Singh B, Abbas MN, Issa YM, Dempsey E. Electrocatalytic Nitrite Determination Using Iron Phthalocyanine Modified Gold Nanoparticles. ELECTROANAL 2015. [DOI: 10.1002/elan.201400563] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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18
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A Sensitive Spectrofluorimetric Method for the Determination of Nitrite in Agricultural Samples. FOOD ANAL METHOD 2014. [DOI: 10.1007/s12161-014-0045-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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19
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Surface decoration of multi-walled carbon nanotubes modified carbon paste electrode with gold nanoparticles for electro-oxidation and sensitive determination of nitrite. Biosens Bioelectron 2014; 51:379-85. [DOI: 10.1016/j.bios.2013.07.056] [Citation(s) in RCA: 156] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2013] [Revised: 07/17/2013] [Accepted: 07/30/2013] [Indexed: 12/25/2022]
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20
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Guo YX, Zhang QF, Shangguang X, Zhen G. Spectrofluorimetric determination of trace nitrite with o-phenylenediamine enhanced by hydroxypropyl-β-cyclodextrin. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2013; 101:107-111. [PMID: 23099167 DOI: 10.1016/j.saa.2012.09.083] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2012] [Revised: 07/23/2012] [Accepted: 09/24/2012] [Indexed: 06/01/2023]
Abstract
A simple and sensitive spectrofluorimetric method was developed for the determination of nitrite in environmental and food samples. The method was based on the selective reaction of o-phenylenediamine with nitrite in acidic medium to form benzotriazole, which exhibited strong fluorescence at 568 nm with excitation at 420 nm in alkaline medium. The detection limit and sensitivity of the proposed method were improved by hydroxypropyl-β-cyclodextrin through complexation. The linear calibration range for nitrite was 0.04-0.8 μg mL(-1) with a detection limit of 13.6 ng mL(-1) (S/N=3.29). The relative standard deviation for ten determinations of 0.1 and 0.4 μg mL(-1) nitrite were 1.38% and 2.01%, respectively. Twenty-eight coexistent ions were examined, and no serious interference for most of ions was observed. The proposed method was successfully applied for the determination of nitrite in the water, sausage and soil samples with recoveries of 95.5-108.5%. The results were in good agreement with the recommended AOAC method.
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Affiliation(s)
- Yu-Xian Guo
- Academic Affairs Division, Jiangxi Agricultural University, Nanchang 330045, China
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21
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Construction of a chemically modified electrode for the selective determination of nitrite and nitrate ions based on a new nanocomposite. Electrochim Acta 2012. [DOI: 10.1016/j.electacta.2012.01.089] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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22
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Liu QH, Yan XL, Guo JC, Wang DH, Li L, Yan FY, Chen LG. Spectrofluorimetric determination of trace nitrite with a novel fluorescent probe. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2009; 73:789-793. [PMID: 19501543 DOI: 10.1016/j.saa.2009.03.018] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2008] [Revised: 03/08/2009] [Accepted: 03/18/2009] [Indexed: 05/27/2023]
Abstract
A simple, sensitive and selective fluorimetric determination for trace nitrites was developed using an unsymmetrical rhodamine with a high fluorescence quantum yield and large Stokes shift. The method is based on the reaction of the unsymmetrical rhodamine with nitrite in an acidic medium to form a nitroso product, which has much lower fluorescence because the electron-withdrawing effect of the nitroso group influences the system of p-pi conjugation between N atom and benzene ring. Under optimum conditions, the fluorescence quenching intensity is linear over a nitrite concentration range of 1.0 x 10(-8) to 3.5 x 10(-7)M. The detection limit is 2.0 x 10(-10)M (S/N=3). The method was applied to the determination of nitrite in tap water and lake water with satisfactory results. The mechanism for the reaction is also reported.
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Affiliation(s)
- Qing-Hao Liu
- School of Chemical Engineering and Technology, Tianjin University, Weijin Road, Tianjin 300072, China
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23
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Chen T, Tong A, Zhou Y. 2-Amino-5,7-dimethyl-1,8-naphthyridine as a fluorescent reagent for the determination of nitrite. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2007; 66:586-9. [PMID: 16859981 DOI: 10.1016/j.saa.2006.03.036] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2005] [Revised: 03/27/2006] [Accepted: 03/30/2006] [Indexed: 05/11/2023]
Abstract
A new fluorescent reagent 2-amino-5,7-dimethyl-1,8-naphthyridine (ADMND) was proposed for the determination of trace nitrite. The reaction is based on the diazotization of naphthyridine amine with nitrite to form a diazonium salt that hydrolyzed when boiling to give hydroxyl group substituted naphthyridine. Fluorescence quenching degree of ADMND by nitrite ion is linear in the nitrite concentration range of 1 x 10(-7) to 2.5 x 10(-6)mol l(-1) with a detection limit of 4.06 x 10(-8)mol l(-1). Reaction and determination acidity for nitrite is the same which made the method much simpler compared with the widely accepted fluorescence method with DAN as a fluorescence reagent.
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Affiliation(s)
- Tian Chen
- Department of Chemistry, Tsinghua University, Beijing 100084, China
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Indirect Determination of Nitrite by Flame Atomic Absorption Spectrometry Using a Lead(IV) Dioxide Oxidant Microcolumn. B KOREAN CHEM SOC 2006. [DOI: 10.5012/bkcs.2006.27.6.875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Wang RY, Gao X, Lu YT. A Kinetic Spectrophotometric Method for the Determination of Nitrite by Stopped-Flow Technique. ANAL SCI 2006; 22:299-304. [PMID: 16512426 DOI: 10.2116/analsci.22.299] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A novel and highly sensitive stopped-flow kinetic spectrophotometric method for the determination of nitrite, based on monitoring the variation in the absorbance of the intermediate within a very short period, has been developed. The optimum conditions for various parameters on which the reaction of nitrite with perphenazine depends, were investigated. It was found that the initial reaction rate increased linearly with increasing nitrite concentration in the range from 1.0 x 10(-8) to 6.0 x 10(-6) M. The detection limit was calculated to be 4.8 x 10(-9) M. This method was used for the determination of nitrite in natural and drinking-water with satisfactory results. The influence of cationic, non-ionic and anion surfactants was also studied in this work.
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Affiliation(s)
- Rui-Yong Wang
- Key Laboratory of MOE for Plant Developmental Biology, College of Life Sciences, Wuhan University, Wuhan 430072, PR China
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Farag AB, Moawed EA, El‐Shahat MF. Sensitive Detection, Selective Determination, and Removal of Nitrite from Water Using the Reactive Function Group of Polyurethane Foam. ANAL LETT 2005. [DOI: 10.1081/al-200051060] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Gao F, Zhang L, Wang L, She S, Zhu C. Ultrasensitive and selective determination of trace amounts of nitrite ion with a novel fluorescence probe mono[6-N(2-carboxy-phenyl)]-β-cyclodextrin. Anal Chim Acta 2005. [DOI: 10.1016/j.aca.2004.10.082] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Li M, Wang H, Zhang X, Zhang HS. Development of a new fluorescent probe: 1,3,5,7-tetramethyl-8-(4'-aminophenyl)-4,4-difluoro-4-bora-3a,4a-diaza-s-indacence for the determination of trace nitrite. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2004; 60:987-993. [PMID: 15036113 DOI: 10.1016/s1386-1425(03)00329-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2003] [Accepted: 07/01/2003] [Indexed: 05/24/2023]
Abstract
A new fluorescent probe, 1,3,5,7-tetramethyl-8-(4'-aminophenyl)-4,4-difluoro-4-bora-3a,4a-diaza-s-indacence (TMABODIPY) has been developed for the determination of trace nitrite in terms of the reaction of nitrite with TMABODIPY first in acidic solution and then in alkaline solution to form diazotate, a stable and highly fluorescent reagent. The method offered the advantage of specificity, sensitivity and simplicity. The linear calibration range for nitrite was 8-300 nmol l-1s with a 3 sigma detection limit of 0.65 nmol l-1. The proposed method has been applied to monitor the trace nitrite in drinking water and vegetable without extraction.
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Affiliation(s)
- Mengling Li
- Department of Chemistry, Wuhan University, Wuhan 430072, PR China
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