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Trampuž M, Žnidarič M, Gallou F, Časar Z. Does the Red Shift in UV-Vis Spectra Really Provide a Sensing Option for Detection of N-Nitrosamines Using Metalloporphyrins? ACS OMEGA 2023; 8:1154-1167. [PMID: 36643536 PMCID: PMC9835193 DOI: 10.1021/acsomega.2c06615] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 12/08/2022] [Indexed: 06/17/2023]
Abstract
N-nitrosamines are widespread cancerogenic compounds in human environment, including water, tobacco products, food, and medicinal products. Their presence in pharmaceuticals has recently led to several recalls of important medicines from the market, and strict controls and tight limits of N-nitrosamines are now required. Analytical determination of N-nitrosamines is expensive, laborious, and time-inefficient making development of simpler and faster techniques for their detection crucial. Several reports published in the previous decade have demonstrated that cobalt porphyrin-based chemosensors selectively bind N-nitrosamines, which produces a red shift of characteristic Soret band in UV-Vis spectra. In this study, a thorough re-evaluation of metalloporphyrin/N-nitrosamine adducts was performed using various characterization methods. Herein, we demonstrate that while N-nitrosamines can interact directly with cobalt-based porphyrin complexes, the red shift in UV-Vis spectra is not selectively assured and might also result from the interaction between impurities in N-nitrosamines and porphyrin skeleton or interaction of other functional groups within the N-nitrosamine structure and the metal ion within the porphyrin. We show that pyridine nitrogen is the interacting atom in tobacco-specific N-nitrosamines (TSNAs), as pyridine itself is an active ligand and not the N-nitrosamine moiety. When using Co(II) porphyrins as chemosensors, acidic and basic impurities in dialkyl N-nitrosamines (e.g., formic acid, dimethylamine) are also UV-Vis spectra red shift-producing species. Treatment of these N-nitrosamines with K2CO3 prevents the observed UV-Vis phenomena. These results imply that cobalt-based metalloporphyrins cannot be considered as selective chemosensors for UV-Vis detection of N-nitrosamine moiety-containing species. Therefore, special caution in interpretation of UV-Vis red shift for chemical sensors is suggested.
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Affiliation(s)
- Marko Trampuž
- Lek
Pharmaceuticals d.d., Sandoz Development
Center Slovenia, Kolodvorska
27, 1234 Mengeš, Slovenia
| | - Mateja Žnidarič
- Lek
Pharmaceuticals d.d., Sandoz Development
Center Slovenia, Kolodvorska
27, 1234 Mengeš, Slovenia
| | - Fabrice Gallou
- Chemical
and Analytical Development, Novartis Pharma
AG, Basel 4056, Switzerland
| | - Zdenko Časar
- Lek
Pharmaceuticals d.d., Sandoz Development
Center Slovenia, Kolodvorska
27, 1234 Mengeš, Slovenia
- Chair
of Medicinal Chemistry, Faculty of Pharmacy, University of Ljubljana, Aškerčeva cesta 7, 1000 Ljubljana, Slovenia
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2
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Studies on a novel method for the determination of nitrosamines in food by HPLC-UV-FLD coupling with terbium-doped carbon dots. Food Chem 2022. [DOI: 10.1016/j.foodchem.2022.134894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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3
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Wang Q, Liu Z, Liu Y, Chen H. Absolute Quantitation of N-Nitrosamines by Coulometric Mass Spectrometry without Using Standards. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2022; 33:875-884. [PMID: 35446584 PMCID: PMC9119692 DOI: 10.1021/jasms.2c00064] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Carcinogenic N-nitrosamines were recently found in the sartan family of drugs and caused many drug recalls. Both of their detection and quantification are therefore important. Methods reported for N-nitrosamine quantitation rely on the use of standards and are just applicable to simple N-nitrosamines. There is an urgent need to quantify N-nitrosamines derived from drugs with a complicated structure that lack standards. To tackle the issue, this study describes a novel absolute quantitation strategy for N-nitrosamines using coulometric mass spectrometry (CMS) without standards. In our approach, N-nitrosamine is first converted into electrochemically active hydrazine via zinc reduction under acidic condition and the resulting hydrazine can then be easily quantified using CMS. To validate our method, six simple N-nitrosamines, N-nitrosodiethylamine (NDEA), N-nitroso-4-phenylpiperidine (NPhPIP), N-nitrosodiphenylamine (NDPhA), N-nitrosodibutylamine (NDBA), N-nitrosodipropylamine (NDPA), and N-nitrosopiperidine (NPIP), were chosen as test samples, and they all were quantified with excellent measurement accuracy (quantitation error ≤1.1%). Taking this one step further, as a demonstration of the method utility, a drug-like N-nitrosamine, (R)-N-(2-(6-chloro-5-methyl-1'-nitroso-2,3-dihydrospiro[indene-1,4'-piperidin]-3-yl)propan-2-yl)acetamide (VII), was also synthesized and successfully quantified using our method at 15 ppb level in a complex formulation matrix, following solvent extraction, N-nitrosamine isolation, and reductive conversion. Because of the feature of requiring no standards, CMS provides a simple and powerful approach for N-nitrosamine absolute quantitation and has great potential for analysis of other drug impurities or metabolites.
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Affiliation(s)
- Qi Wang
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark, New Jersey 07102, United States
| | - Zhijian Liu
- Department of Process Research and Development, Merck Research Laboratories, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Yong Liu
- Analytical Research and Development, Merck Research Laboratories, Merck & Co., Inc., Rahway, New Jersey 07065, United States
| | - Hao Chen
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark, New Jersey 07102, United States
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4
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Sarakhman O, Švorc Ľ. A Review on Recent Advances in the Applications of Boron-Doped Diamond Electrochemical Sensors in Food Analysis. Crit Rev Anal Chem 2020; 52:791-813. [PMID: 33028086 DOI: 10.1080/10408347.2020.1828028] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The usage of boron-doped diamond (BDD) material has found to be very attractive in modern electroanalytical methods and received massive consideration as perspective electrochemical sensor due to its outstanding (electro)chemical properties. These generally known facilities include large potential window, low background currents, ability to withstand extreme potentials and strong tendency to resist fouling compared to conventional carbon-based electrodes. As evidence of superiority of this material, couple of reviews describing the overview of various applications of BDD electrodes in the field of analytical and material chemistry has been reported in scientific literature during last decade. However, herein proposed review predominantly focuses on the most recent developments (from 2009 to 2020) dealing with the application of BDD as an advanced and environmental-friendly sensor platform in food analysis. The main method characteristics of analysis of various organic food components with different chemical properties, including additives, flavor and aroma components, phenolic compounds, flavonoids and pesticides in food matrices are described in more details. The importance of BDD surface termination, presence of sp2 content and boron doping level on electrochemical sensing is discussed. Apart from this, a special attention is paid to the evaluation of main analytical characteristics of the BDD electrochemical sensor in single- and multi-analyte detection mode in food analysis. The recent achievements in the utilizing of BDD electrodes in amperometric detection coupled to flow injection analysis, batch injection analysis, and high-performance liquid chromatography are also commented. Moreover, actual trends in sample preparation techniques prior to electrochemical sensing in food analysis are referred.
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Affiliation(s)
- Olha Sarakhman
- Institute of Analytical Chemistry, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Bratislava, Slovak Republic
| | - Ľubomír Švorc
- Institute of Analytical Chemistry, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Bratislava, Slovak Republic
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5
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Bian Y, Zhang Y, Zhou Y, Li GH, Feng XS. Progress in the pretreatment and analysis of N-nitrosamines: an update since 2010. Crit Rev Food Sci Nutr 2020; 61:3626-3660. [PMID: 32776791 DOI: 10.1080/10408398.2020.1803790] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
As highly toxic substances, N-nitrosamines (NAs) have been proved to cause carcinogenesis and mutagenesis in humans. Therefore, to carefully monitor safety and preserve human health, the development of rapid, accurate, and high-sensitivity determination methods of NAs is of substantial importance. This review provides a current-status comprehensive summary of the pretreatment and determination methods of NAs in various samples since 2010. Common pretreatment methods that have been used to extract and purify targets include solid-phase extraction, liquid-liquid extraction and various microextraction methods, such as solid-phase microextraction and liquid-phase microextraction, among others. Determination methods include liquid chromatography, gas chromatography, supercritical fluid chromatography and electrochemical methods, among others. In addition, we discuss and compare the advantages and disadvantages of various pretreatment and analytical methods and examine the prospects in this area.
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Affiliation(s)
- Yu Bian
- School of Pharmacy, China Medical University, Shenyang, China
| | - Yuan Zhang
- Department of Pharmacy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yu Zhou
- Department of Pharmacy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Guo-Hui Li
- Department of Pharmacy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xue-Song Feng
- School of Pharmacy, China Medical University, Shenyang, China
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6
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Baluchová S, Daňhel A, Dejmková H, Ostatná V, Fojta M, Schwarzová-Pecková K. Recent progress in the applications of boron doped diamond electrodes in electroanalysis of organic compounds and biomolecules – A review. Anal Chim Acta 2019; 1077:30-66. [DOI: 10.1016/j.aca.2019.05.041] [Citation(s) in RCA: 110] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 05/01/2019] [Accepted: 05/18/2019] [Indexed: 02/08/2023]
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7
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Hoff R, Furtado R, Dos Santos JM, Vogelmann ES, Hoff GD, Kneip RC, Jank L, Gonçalves FF. Removal of epoxiconazole and pyraclostrobin from highly contaminated effluent (grams per liter level): Comparison between ozone and solar still decontamination using real field conditions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 653:597-604. [PMID: 30414588 DOI: 10.1016/j.scitotenv.2018.11.043] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 11/03/2018] [Accepted: 11/03/2018] [Indexed: 06/09/2023]
Abstract
Brazilian environmental legislation obliges the aeroagriculture operators to treat the effluents generated after aircraft washing. This effluent commonly contains high levels of pesticides (g L-1) with potential to produce point source pollution. In the present study, we evaluated the efficiency of two systems on the removal of the fungicides epoxiconazole and pyraclostrobin from these effluents. The first system is based on ozonation and is currently suggested by regulatory authority. The second system is based on a pyramid-shaped solar still. The pesticides removal was monitored using liquid chromatography mass spectrometry to determine the mass quantity of both molecules throughout the treatment. After treatment with ozone treatment, the total mass of epoxiconazole decreased by 73% and pyraclostrobin decreased by 90.8%. The solar distillation system removed epoxiconazole and pyraclostrobin by >99.995 and 99.99%, respectively. The both systems proved to be efficient in the treatment of effluent containing residues of the fungicide Opera®, a formulation containing epoxiconazole and pyraclostrobin. The solar distillation system showed a higher degree of removal and presents the advantage of operating without energy sources, reagents or consumables.
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Affiliation(s)
- Rodrigo Hoff
- Laboratório Nacional Agropecuário - LANAGRO/RS, Ministério da Agricultura, Pecuária e Abastecimento do Brasil, Estrada da Ponta Grossa 3036, Porto Alegre, RS, Brazil.
| | - Ricardo Furtado
- Ministério da Agricultura, Pecuária e Abastecimento do Brasil, DPDAG, Porto Alegre, RS, Brazil
| | - Juliane Marques Dos Santos
- Instituto de Ciências Biológicas, Universidade Federal de Rio Grande - FURG, Av. Marechal Floriano Peixoto, 2236, São Lourenço do Sul, RS, Brazil
| | - Eduardo Saldanha Vogelmann
- Instituto de Ciências Biológicas, Universidade Federal de Rio Grande - FURG, Av. Marechal Floriano Peixoto, 2236, São Lourenço do Sul, RS, Brazil
| | - Gabriel Duarte Hoff
- Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Faculdade de Química, Universidade Federal de Pelotas - UFPel, Av. Eliseu Maciel - Campus Universitário, S/N, Capão do Leão, RS, Brazil
| | - Rafaella Cunha Kneip
- Instituto Federal de Educação Ciência e Tecnologia Sul-rio-grandense, IFSul, Praça 20 de Setembro, 455, Pelotas, RS, Brazil
| | - Louíse Jank
- Laboratório Nacional Agropecuário - LANAGRO/RS, Ministério da Agricultura, Pecuária e Abastecimento do Brasil, Estrada da Ponta Grossa 3036, Porto Alegre, RS, Brazil
| | - Fábio Ferreira Gonçalves
- Escola de Química e Alimentos, Universidade Federal de Rio Grande - FURG, Rua Barão do Caí, 125, Santo Antônio da Patrulha, Brazil
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Peng X, Zou J, Liu Z, Guo Y. Electrochemical sensor for facile detection of trace N-nitrosodiphenylamine based on poly(diallyldimethylammonium chloride)-stabilized graphene/platinum nanoparticles. NEW J CHEM 2019. [DOI: 10.1039/c8nj04892d] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A simple and sensitive electrochemical sensor for the detection of trace N-nitrosodiphenylamine was constructed based on PDDA-stabilized graphene/platinum nanoparticles.
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Affiliation(s)
- Xiuying Peng
- Institute of Environmental Science
- Shanxi University
- Taiyuan 030006
- China
| | - Jinfeng Zou
- Institute of Environmental Science
- Shanxi University
- Taiyuan 030006
- China
| | - Zhiguang Liu
- Institute of Environmental Science
- Shanxi University
- Taiyuan 030006
- China
| | - Yujing Guo
- Institute of Environmental Science
- Shanxi University
- Taiyuan 030006
- China
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9
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Gushgari AJ, Halden RU. Critical review of major sources of human exposure to N-nitrosamines. CHEMOSPHERE 2018; 210:1124-1136. [PMID: 30208538 DOI: 10.1016/j.chemosphere.2018.07.098] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 07/16/2018] [Accepted: 07/17/2018] [Indexed: 05/21/2023]
Abstract
More than 24 N-nitrosamine compounds contribute to the total N-nitrosamine (TNA) burden monitored routinely to assess human exposure to this important group of known and suspected human carcinogens. A literature review (n = 122) identified multiple sources of human exposure to TNAs, including waters (40 ± 10.5 ng/L; average ± standard deviation), food and beverages (6.7 ± 0.8 ng/g), tobacco (16,100 ± 3650 ng/g) and personal care products (1500 ± 750 ng/g). Due to source control interventions, levels of TNAs in beer have dropped by about 96% between 1980 and 1990, whereas N-nitrosamine levels in other known sources have shown little to no change. Maximum daily TNA exposure in the U.S. in units of ng/d is estimated at 25,000 ± 4,950, driven by consumption of tobacco products (22,000 ± 4350), food (1900 ± 380), alcohol (1000 ± 200), and drinking water (120 ± 24). Behavioral choices of individuals in non-occupational settings were calculated to result in a spectrum of exposure values ranging from a lower bound of 1900 ± 380 ng/d to a higher bound of 25,000 ± 4950 ng/d, indicating opportunities for a possible 12-fold reduction in TNA exposure to 8% of the above maximum through deliberate choices in diet and lifestyle.
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Affiliation(s)
- Adam J Gushgari
- Biodesign Center for Environmental Health Engineering, The Biodesign Institute, School of Sustainable Engineering and the Built Environment, Arizona State University, 781 E. Terrace Mall, Tempe, AZ 85287, USA
| | - Rolf U Halden
- Biodesign Center for Environmental Health Engineering, The Biodesign Institute, School of Sustainable Engineering and the Built Environment, Arizona State University, 781 E. Terrace Mall, Tempe, AZ 85287, USA.
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10
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McEvoy JP, Pham N, Le HT, Fernandez MM, Farmer RP, Mahapatro SN. Two-electron redox chemistry of p-nitro- and p-cyanobenzene diazohydroxides. RSC Adv 2018; 8:41762-41766. [PMID: 35558800 PMCID: PMC9092087 DOI: 10.1039/c8ra05948a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 12/04/2018] [Indexed: 11/24/2022] Open
Abstract
The electrochemistry of aryl diazonium salts is usually dominated by one-electron reduction, loss of dinitrogen, and the grafting of aryl radicals onto the electrode. In contrast, p-nitro- and p-cyanobenzene diazonium salts dissolved in mixed aqueous-acetonitrile solvents showed diffusion-limited, quasi-reversible, two-electron cyclic voltammetry. Voltammetric pH-dependence and spectrophotometric kinetic studies suggest that the basicity and low polarity of the aqueous solvent mixture has revealed the biologically-significant interconversion of diazohydroxide and diazene. We report the interconversion of diazohydroxide and diazene species in mixed aqueous-acetonitrile solutions.![]()
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Affiliation(s)
- James P. McEvoy
- Centre for Biomedical Sciences
- School of Biological Sciences
- Royal Holloway University of London
- Surrey
- UK
| | - Nhan V. Pham
- Department of Chemistry
- Regis University
- Denver
- USA
| | - Hong T. Le
- Department of Chemistry
- Regis University
- Denver
- USA
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11
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Zhao M, Li G, Kong W, Lu S, Xia L, Chen G, Zhao X, Wu Y, You J. Convenient and Sensitive HPLC Method for Determination of Nitrosamines in Foodstuffs Based on Pre-column Fluorescence Labeling. Chromatographia 2016. [DOI: 10.1007/s10337-016-3040-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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