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Magesh V, Sundramoorthy AK, Ganapathy D, Atchudan R, Arya S, Alshgari RA, Aljuwayid AM. Palladium Hydroxide (Pearlman's Catalyst) Doped MXene (Ti 3C 2Tx) Composite Modified Electrode for Selective Detection of Nicotine in Human Sweat. BIOSENSORS 2022; 13:bios13010054. [PMID: 36671889 PMCID: PMC9856038 DOI: 10.3390/bios13010054] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/22/2022] [Accepted: 12/24/2022] [Indexed: 05/27/2023]
Abstract
High concentrations of nicotine (40 to 60 mg) are more dangerous for adults who weigh about 70 kg. Herein, we developed an electrochemical transducer using an MXene (Ti3C2Tx)/palladium hydroxide-supported carbon (Pearlman's catalyst) composite (MXene/Pd(OH)2/C) for the identification of nicotine levels in human sweat. Firstly, the MXene was doped with Pd(OH)2/C (PHC) by mechanical grinding followed by an ultrasonication process to obtain the MXene/PHC composite. Secondly, XRD, Raman, FE-SEM, EDS and E-mapping analysis were utilized to confirm the successful formation of MXene/PHC composite. Using MXene/PHC composite dispersion, an MXene/PHC composite-modified glassy carbon electrode (MXene/PHC/GCE) was prepared, which showed high sensitivity as well as selectivity towards nicotine (300 µM NIC) oxidation in 0.1 M phosphate buffer (pH = 7.4) by cyclic voltammetry (CV) and amperometry. The MXene/PHC/GCE had reduced the over potential of nicotine oxidation (about 200 mV) and also enhanced the oxidation peak current (8.9 µA) compared to bare/GCE (2.1 µA) and MXene/GCE (5.5 µA). Moreover, the optimized experimental condition was used for the quantification of NIC from 0.25 µM to 37.5 µM. The limit of detection (LOD) and sensitivity were 27 nM and 0.286 µA µM-1 cm2, respectively. The MXene/PHC/GCE was also tested in the presence of Na+, Mg2+, Ca2+, hydrogen peroxide, acetic acid, ascorbic acid, dopamine and glucose. These molecules were not interfered during NIC analysis, which indicated the good selectivity of the MXene/PHC/GCE sensor. In addition, electrochemical determination of NIC was successfully carried out in the human sweat samples collected from a tobacco smoker. The recovery percentage of NIC in the sweat sample was 97%. Finally, we concluded that the MXene/PHC composite-based sensor can be prepared for the accurate determination of NIC with high sensitivity, selectivity and stability in human sweat samples.
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Affiliation(s)
- Vasanth Magesh
- Centre for Nano-Biosensors, Department of Prosthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Poonamallee High Road, Velappanchavadi, Chennai 600077, Tamil Nadu, India
| | - Ashok K. Sundramoorthy
- Centre for Nano-Biosensors, Department of Prosthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Poonamallee High Road, Velappanchavadi, Chennai 600077, Tamil Nadu, India
| | - Dhanraj Ganapathy
- Centre for Nano-Biosensors, Department of Prosthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Poonamallee High Road, Velappanchavadi, Chennai 600077, Tamil Nadu, India
| | - Raji Atchudan
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Sandeep Arya
- Department of Physics, University of Jammu, Jammu 180006, Jammu and Kashmir, India
| | - Razan A. Alshgari
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Ahmed Muteb Aljuwayid
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
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2
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Maceira A, Borrull F, Marcé RM. Occurrence of organic contaminants bonded to the particulate matter from outdoor air influenced by industrial activities. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:76644-76667. [PMID: 36169846 DOI: 10.1007/s11356-022-23103-8] [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: 04/04/2022] [Accepted: 09/14/2022] [Indexed: 06/16/2023]
Abstract
This paper discusses the occurrence of organic contaminants bonded to particulate matter (PM) in ambient air. We describe the presence and concentration levels of contaminants mainly reported in atmospheres close to factories or at locations influenced by them, and the relationship between factory emissions and the type of organic contaminants found in PM samples from the surrounding air. Many organic contaminants have been found in these types of samples, including polycyclic aromatic hydrocarbons (PAHs), polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs) and polychlorinated biphenyls (PCBs). Their sources, fates and distributions in the ambient atmosphere are therefore well known. However, in addition to these most studied compounds, others are also of concern nowadays due to their detection and toxic effects on the environment. The continuous updating of regulations on these contaminants and the appearance of new air pollutants make it important to be aware of their occurrence. This will help to either establish new guidelines for the newer contaminants or reassess existing limitations for known ones. Moreover, if we know their occurrence, we can analyse their sources, destinations and distributions in the outdoor air.
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Affiliation(s)
- Alba Maceira
- Department of Analytical Chemistry and Organic Chemistry, Faculty of Chemistry, Campus Sescelades, Universitat Rovira i Virgili, Marcel∙lí Domingo s/n, 43007, Tarragona, Spain
| | - Francesc Borrull
- Department of Analytical Chemistry and Organic Chemistry, Faculty of Chemistry, Campus Sescelades, Universitat Rovira i Virgili, Marcel∙lí Domingo s/n, 43007, Tarragona, Spain.
| | - Rosa Maria Marcé
- Department of Analytical Chemistry and Organic Chemistry, Faculty of Chemistry, Campus Sescelades, Universitat Rovira i Virgili, Marcel∙lí Domingo s/n, 43007, Tarragona, Spain
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3
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Hu C, Zhang Y, Zhou Y, Liu ZF, Feng XS. Unsymmetrical dimethylhydrazine and related compounds in the environment: Recent updates on pretreatment, analysis, and removal techniques. JOURNAL OF HAZARDOUS MATERIALS 2022; 432:128708. [PMID: 35344890 DOI: 10.1016/j.jhazmat.2022.128708] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 03/09/2022] [Accepted: 03/12/2022] [Indexed: 06/14/2023]
Abstract
Unsymmetrical dimethylhydrazine (1,1-Dimethylhydrazine, UDMH) has been widely used as aerospace fuel in many countries. The launch of space vehicles can cause the release and leakage of UDMH into the environment, posing serious threats to ecology system and human population. Even worse, the health risks are also pertinent to its numerous classes of transformation products including N-Nitrosodimethylamine (NDMA), because most of them display carcinogenic and mutagenic properties. Recently, there has been an intense ongoing development of simple, fast, green, and effective techniques for determining and removing these hazardous substances. This review summarizes the latest research progress regarding the sources, fates, pretreatment, analysis, and removal techniques of UDMH and related products in the environment. Sample preparation methods mainly include pressurized liquid extraction, liquid-phase microextraction techniques, solid-phase extraction, headspace-solid-phase microextraction, and supercritical fluid extraction. Detection and identification methods mainly include high-performance liquid chromatography coupled with tandem mass spectrometry (HPLC-MS/MS), gas chromatography coupled with tandem mass spectrometry (GC-MS/MS), and sensors. Removal methods mainly include advanced oxidation processes, adsorption, biodegradation techniques. The advantages/disadvantages, applications, and trends of the proposed approaches are thoroughly discussed to provide a valuable reference for further studies.
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Affiliation(s)
- Cong Hu
- School of Pharmacy, China Medical University, Shenyang 110122, China; Department of Pharmaceutical Analysis, School of Pharmacy, Fudan University, Shanghai 201203, China.
| | - Yuan Zhang
- School of Pharmacy, China Medical University, Shenyang 110122, 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 100021, China.
| | - Zhi-Fei Liu
- School of Pharmacy, China Medical University, Shenyang 110122, China.
| | - Xue-Song Feng
- School of Pharmacy, China Medical University, Shenyang 110122, China.
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Aquilina NJ, Havel CM, Harrison RM, Ho KF, Benowitz NL, Jacob Iii P. Determination of 4-(Methylnitrosamino)-1-(3-Pyridyl)-1-Butanone (NNK) arising from tobacco smoke in airborne particulate matter. ENVIRONMENT INTERNATIONAL 2022; 158:106992. [PMID: 34991253 PMCID: PMC9056076 DOI: 10.1016/j.envint.2021.106992] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 11/09/2021] [Accepted: 11/16/2021] [Indexed: 06/14/2023]
Abstract
The most important tobacco-specific nitrosamine found in cigarette smoke and formed in ageing smoke after cigarettes are extinguished is 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK). It is formed from nitrosation of nicotine, under particular conditions both in indoor and outdoor environments. NNK has been classified as a potent lung carcinogen which is expected to be found primarily in the particle-phase and to be stable in particulate matter. In this study tests have been carried out to show that a bisulfate-treated filter is more efficient than an untreated filter to collect both nicotine and NNK, and that the latter is stable in outdoor particulate matter. To characterize NNK in the outdoor environment, airborne samples were collected from 11 cities in USA, UK, Hong Kong and Malta with characteristics varying from low to high population densities and from urban to suburban to rural, and with desert characteristics and distinct climates. It has been shown that airborne particle + gas phase nicotine and particle-phase NNK behave in a linearly correlated manner. A seasonal analysis was carried out on a subset of data available from five sites in California, where the load of NNK in PM10 is driven by long range transport of the air masses passing over densely populated cities. In the winter season, the load of NNK in PM is higher than in summer in a statistically significant manner. The contamination of PM with NNK shows variability, but is observed at all sites. This paper highlights the potential risk of chronic exposure to NNK in particulate matter by the inhalation pathway.
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Affiliation(s)
- Noel J Aquilina
- Department of Chemistry, University of Malta, Msida MSD 2080, Malta; Program in Clinical Pharmacology, Division of Cardiology, Department of Medicine, University of California, San Francisco, CA 94143, United States.
| | - Christopher M Havel
- Program in Clinical Pharmacology, Division of Cardiology, Department of Medicine, University of California, San Francisco, CA 94143, United States
| | - Roy M Harrison
- Division of Environmental Health and Risk Management, School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham B15 2TT, United Kingdom
| | - Kin-Fai Ho
- The Jockey Club School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China
| | - Neal L Benowitz
- Program in Clinical Pharmacology, Division of Cardiology, Department of Medicine, University of California, San Francisco, CA 94143, United States
| | - Peyton Jacob Iii
- Program in Clinical Pharmacology, Division of Cardiology, Department of Medicine, University of California, San Francisco, CA 94143, United States
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5
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Ultrasound Assisted Extraction Approach to Test the Effect of Elastic Rubber Nettings on the N-Nitrosamines Content of Ham Meat Samples. Foods 2021; 10:foods10112564. [PMID: 34828845 PMCID: PMC8618317 DOI: 10.3390/foods10112564] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/06/2021] [Accepted: 10/19/2021] [Indexed: 12/02/2022] Open
Abstract
Nitrosamines (NAs), which are catalogued as carcinogenic compounds, may be present in meat products due to the conversion of nitrites and as result of migration from elastic rubber nettings used. A method based on ultrasonic assisted extraction coupled with dispersive liquid–liquid microextraction as sample treatment and gas chromatography-mass spectrometry as separation and detection technique was proposed for the determination of twelve NAs in cooked ham samples. The method was validated by evaluating linearity (0.5–1000 ng g−1), matrix effect, sensitivity (detection limits were between 0.15 and 1.4 ng g−1) and precision, which was below 12%. Five NAs were found in the samples with levels ranging from not quantifiable to 40 ng g−1. The effect of the elastic rubber nettings on the nitrosamine content of meat was evaluated by comparing the levels found in products made with several plastics or thread in the presence of additives.
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Choi NR, Ahn YG, Lee JY, Kim E, Kim S, Park SM, Song IH, Shin HJ, Kim YP. Particulate Nitrosamines and Nitramines in Seoul and Their Major Sources: Primary Emission versus Secondary Formation. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:7841-7849. [PMID: 34041906 DOI: 10.1021/acs.est.1c01503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Seven nitrosamines and three nitramines in particulate matter with an aerodynamic diameter of less than or equal to 2.5 μm (PM2.5) collected in 2018 in Seoul, South Korea, were quantified. Annual mean concentrations of the sum of nitrosamines and nitramines were 9.81 ± 18.51 and 1.12 ± 0.70 ng/m3, respectively, and nitrosodi-methylamine (NDMA) and dimethyl-nitramine (DMN) comprised the largest portion of nitrosamines and nitramines, respectively. Statistical analyses such as non-parametric correlation analysis, positive matrix factorization, analysis of covariance, and orthogonal partial least squared discrimination analysis were carried out to identify contribution of the atmospheric reactions in producing NDMA and DMN. In addition, kinetic calculation using reaction information obtained from the previous chamber studies was performed to estimate concentrations of NDMA and DMN that might be produced from the atmospheric reactions. It was concluded that (1) the atmospheric reactions contributed to the concentrations of NDMA more than they did for those of DMN, (2) the contribution of atmospheric reactions to the concentrations of NDMA and DMN was significant due to high NO2 concentrations in winter, and (3) primary emissions predominantly affected the ambient concentrations of NDMA and DMN in spring, summer, and autumn.
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Affiliation(s)
- Na Rae Choi
- Department of Environmental Science and Engineering, Ewha Womans University, Seoul 03760, South Korea
| | - Yun Gyong Ahn
- Western Seoul Center, Korea Basic Science Institute, Seoul 03759, South Korea
| | - Ji Yi Lee
- Department of Environmental Science and Engineering, Ewha Womans University, Seoul 03760, South Korea
| | - Eunhye Kim
- Department of Environmental and Safety Engineering, Ajou University, Suwon, Gyeung-gi 16499, South Korea
| | - Soontae Kim
- Department of Environmental and Safety Engineering, Ajou University, Suwon, Gyeung-gi 16499, South Korea
| | - Seung Myung Park
- Department of Air Quality Research, National Institute of Environmental Research of Korea, Incheon 22689, South Korea
| | - In Ho Song
- Department of Air Quality Research, National Institute of Environmental Research of Korea, Incheon 22689, South Korea
| | - Hye Jung Shin
- Department of Air Quality Research, National Institute of Environmental Research of Korea, Incheon 22689, South Korea
| | - Yong Pyo Kim
- Department of Chemical Engineering and Materials Science, Graduate Program in System Health Science and Engineering, Ewha Womans University, Seoul, Seoul 003760, South Korea
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Kodamatani H, Sugihara K, Tanisue T, Kanzaki R, Tomiyasu T. Contamination, Decomposition, and Formation of N-Nitrosodimethylamine in Water Samples at the ng/L Level of Determination. ANAL SCI 2020; 36:1393-1399. [PMID: 32713901 DOI: 10.2116/analsci.20p162] [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: 11/23/2022]
Abstract
An ultra-sensitive analytical system that can determine the concentration of N-nitrosamines at the ng/L level without preconcentration was used to investigate the contamination, decomposition, and formation of N-nitrosodimethylamine (NDMA) and other N-nitrosamines in water samples during general analytical procedures. A preliminary experiment was performed to estimate the NDMA concentrations in ambient air. Since the air samples contained NDMA at concentrations in the range of 2.0 - 10.7 ng/m3, ambient air was identified as the source of NDMA contamination in water samples. We directly confirmed that the concentration of aqueous 10-ng/L NDMA samples stored in clear glass bottles decreased upon exposure to sunlight. Thus, to maintain the N-nitrosamine concentration, such samples must always be protected from sunlight during sampling. The existence of N-nitrosamines in experimental reagents, such as ranitidine and sodium hypochlorite solutions, was also confirmed, as was the formation of NDMA on an activated carbon solid-phase extraction cartridge.
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Affiliation(s)
- Hitoshi Kodamatani
- Division of Earth and Environmental Science, Graduate School of Science and Engineering, Kagoshima University
| | - Kenta Sugihara
- Division of Earth and Environmental Science, Graduate School of Science and Engineering, Kagoshima University
| | - Taketo Tanisue
- Division of Earth and Environmental Science, Graduate School of Science and Engineering, Kagoshima University
| | - Ryo Kanzaki
- Division of Earth and Environmental Science, Graduate School of Science and Engineering, Kagoshima University
| | - Takashi Tomiyasu
- Division of Earth and Environmental Science, Graduate School of Science and Engineering, Kagoshima University
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Choi NR, Lee JY, Ahn YG, Kim YP. Determination of atmospheric amines at Seoul, South Korea via gas chromatography/tandem mass spectrometry. CHEMOSPHERE 2020; 258:127367. [PMID: 32947676 DOI: 10.1016/j.chemosphere.2020.127367] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 06/05/2020] [Accepted: 06/07/2020] [Indexed: 06/11/2023]
Abstract
Due to their important roles in salt-producing acid-base reactions, new particle formation (NPF), and as precursors in secondary organic aerosol (SOA) producing reactions, the atmospheric concentrations of particulate volatile amines (dimethylamine (DMA), ethylamine, diethylamine (DEA), propylamine, and butylamine) at Seoul were analyzed and evaluated. To quantify the presence of volatile amines in particulate matter with aerodynamic diameters less than or equal to a nominal 2.5 μm (PM2.5), an efficient and rapid analytical method based on in-matrix ethyl chloroformate (ECF) derivatization followed by headspace solid-phase microextraction (HS-SPME) was developed and validated using gas chromatography coupled with tandem mass spectrometry (GC-MS/MS) in the multiple reaction monitoring (MRM) mode. The annual mean concentration of the total 5 target amines was 5.56±2.76 ng/m3 and the seasonal difference was small. The concentrations of particulate amines measured in this study were lower than those observed in Zongludak, Turkey, Nanjing, China, and Jeju, Korea but slightly higher than that reported in Kobe, Japan. The concentrations of the nitrosamines (nitrosodimethylamine (NDMA) and nitrosodiethylamine (NDEA)), and of the nitramines (dimethylnitramine (DMN) and diethylnitramine (DEN)) measured along with those of the target amines were used in a simple linear regression analysis. It indicates the contribution of DMA to the formation of NDMA in all seasons (except the fall) and DEA to the formation of NDEA in the summer, while DMA and DEA did not significantly contribute to the formation of nitramines.
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Affiliation(s)
- Na Rae Choi
- Department of Environmental Science and Engineering, Ewha Womans University, Seoul, 03760, South Korea
| | - Ji Yi Lee
- Department of Environmental Science and Engineering, Ewha Womans University, Seoul, 03760, South Korea
| | - Yun Gyong Ahn
- Western Seoul Center, Korea Basic Science Institute, Seoul, 03759, South Korea.
| | - Yong Pyo Kim
- Department of Chemical Engineering and Materials Science, Ewha Womans University, Seoul, 03760, South Korea.
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Tian Y, Du H, Wang L, Li S, Zhang L, Zhang L. Nitrite Scavenging and Inhibition of N-Nitrosamines Formation by Phenolic Extracts From Diospyros lotus L. Leaves and Active Ingredients. Nat Prod Commun 2020. [DOI: 10.1177/1934578x20961186] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Diospyros lotus L. leaves are used as a functional tea and folk medicine in several Asian countries. This study aimed to evaluate the effects of phenolic extracts of the leaves on scavenging nitrite and inhibiting N-nitrosamines (NAs) formation and to determine the active ingredients responsible for these effects. Of the 7 fractions (Fr1-Fr7) prepared from the extract of D. lotus leaves, Fr5 contained the highest phenolic content and exhibited the strongest activity. Five active ingredients of Fr5 were discovered, and 4 of them were identified as myricitrin (Mytr), myricetin (Myt), myricetin-3- O-β-d-glucoside (Myt-Glc), and myricetin-3- O-β-d-galactoside (Myt-Gal). The content of Mytr was much higher than those of the other 3 ingredients, both in Fr5 and extracts of D. lotus leaves. Finally, Mytr and Myt were proved to have stronger activities by the 1,1-diphenyl-2-trinitrophenyl hydrazine scavenging, nitrite scavenging, and inhibition of NAs formation assays. These results indicated that Mytr was the main active ingredient of D. lotus leaves. Myt, Mytr, and Fr5 from the leaves could be used as natural agents for antioxidant, nitrite scavenging, and inhibition of NAs formation in food and the human body.
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Affiliation(s)
- YanHua Tian
- Institute of Molecular Science, Modern Research Center for Traditional Chinese Medicine, Institute of Environmental Science, Shanxi University, Taiyuan, Shanxi Province, P. R. China
- Department of Food Engineering, Shanxi Pharmaceutical Vocational College, Taiyuan, Shanxi Province, P. R. China
| | - HuiZhi Du
- Institute of Molecular Science, Modern Research Center for Traditional Chinese Medicine, Institute of Environmental Science, Shanxi University, Taiyuan, Shanxi Province, P. R. China
| | - Li Wang
- Institute of Molecular Science, Modern Research Center for Traditional Chinese Medicine, Institute of Environmental Science, Shanxi University, Taiyuan, Shanxi Province, P. R. China
| | - ShiFei Li
- Institute of Molecular Science, Modern Research Center for Traditional Chinese Medicine, Institute of Environmental Science, Shanxi University, Taiyuan, Shanxi Province, P. R. China
| | - Lu Zhang
- Institute of Molecular Science, Modern Research Center for Traditional Chinese Medicine, Institute of Environmental Science, Shanxi University, Taiyuan, Shanxi Province, P. R. China
| | - LiWei Zhang
- Institute of Molecular Science, Modern Research Center for Traditional Chinese Medicine, Institute of Environmental Science, Shanxi University, Taiyuan, Shanxi Province, P. R. China
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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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Yu C, Yu J, Zhang H, He Z, Sha Y, Liu B, Wang Y. A facile approach for rapid on-site screening of nicotine in natural tobacco. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 259:113841. [PMID: 31883477 DOI: 10.1016/j.envpol.2019.113841] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 12/10/2019] [Accepted: 12/16/2019] [Indexed: 05/24/2023]
Abstract
Nicotine (Nic) exposed to the environment which comes from tobacco products is the main addictive agent and specific classes of hazardous compound that merit concern. In this study, we have established a fast and reliable method to achieve specific detection of Nic in natural nicotiana tabacum within 30 s through a miniaturized platform based on screen printed gold electrode (SPE). A simple electrochemical pretreatment mean was employed on gold surface that led to the exposure of Au (111) facet and a convenient sample pretreatment method was adopted to realize the extraction of Nic in tobacco. The present electrochemical sensor exhibits an ample range of sensing from 10 μg/g to 200 μg/g, which is able to compliance with tobacco industry testing standards of actual samples. Over 60 sampling points from different origins in China or other countries were performed with direct analysis using this method and satisfactory results have been obtained. The proposed approach was demonstrated to be a very promising platform for significantly improving analytical efficiency in laboratories as well as for monitoring the source reduction control of Nic in the environment.
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Affiliation(s)
- Chaofan Yu
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Jie Yu
- Shanghai Tobacco Group Corporation Limited, Shanghai 200082, China
| | - Huirong Zhang
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Ziyan He
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Yunfei Sha
- Shanghai Tobacco Group Corporation Limited, Shanghai 200082, China
| | - Baizhan Liu
- Shanghai Tobacco Group Corporation Limited, Shanghai 200082, China
| | - Ying Wang
- Shanghai Key Lab of Chemical Assessment and Sustainability, School of Chemical Science and Engineering, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
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12
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Maceira A, Marcé RM, Borrull F. Analytical methods for determining organic compounds present in the particulate matter from outdoor air. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2019.115707] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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13
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Karthika A, Karuppasamy P, Selvarajan S, Suganthi A, Rajarajan M. Electrochemical sensing of nicotine using CuWO 4 decorated reduced graphene oxide immobilized glassy carbon electrode. ULTRASONICS SONOCHEMISTRY 2019; 55:196-206. [PMID: 30878204 DOI: 10.1016/j.ultsonch.2019.01.038] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 01/25/2019] [Accepted: 01/29/2019] [Indexed: 06/09/2023]
Abstract
A novel and selective electrochemical sensing of nicotine is studied using copper tungstate decorated reduced graphene oxide nanocomposite (CuWO4/rGO) nafion (Nf) immobilized GC electrode (GCE). The CuWO4/rGO nanocomposite is synthesized using sonication method and characterized by HR-TEM (High resolution transmission electron microscopy), SEM (Scanning electron microscopy), FT-IR (Fourier transform infrared spectroscopy), SAED (Selected area of electron diffraction pattern), XRD (X-ray diffraction), Raman spectroscopy, Thermo gravimetric analysis (TGA) and EDX (Energy dispersive X-ray diffraction) techniques. The CuWO4/rGO/Nf immobilized GCE shows better electrocatalytic response for the detection of nicotine as compared to bare GCE. A better selectivity and sensitivity is achieved using CuWO4/rGO/Nf immobilized GCE to detect 0.1 µM nicotine in the presence of 100-fold excess concentrations of different interferents. The present CuWO4/rGO/Nf immobilized GCE electrochemical sensor exhibits an ample range of sensing from 0.1 µM to 0.9 µM and the low detection limit is found to be 0.035 µM (S/N = 3). Comparable results are achieved for the determination of nicotine in various real samples such as cigarettes (Gold flake and Wills) and urine samples with improved recoveries.
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Affiliation(s)
- A Karthika
- PG & Research Department of Chemistry, Thiagarajar College, Madurai 625009, Tamilnadu, India
| | - P Karuppasamy
- Anna University Regional Campus - Tirunelveli, Tirunelveli 627007, Tamilnadu, India
| | - S Selvarajan
- PG & Research Department of Chemistry, Thiagarajar College, Madurai 625009, Tamilnadu, India
| | - A Suganthi
- PG & Research Department of Chemistry, Thiagarajar College, Madurai 625009, Tamilnadu, India; Mother Teresa Women's University, Kodaikanal 624 102, Tamilnadu, India.
| | - M Rajarajan
- Madurai Kamaraj University, Madurai 625 02, Tamilnadu, India.
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14
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Li Z, Qian Z, Hu S, Gong T, Xian Q. Molecularly imprinted solid phase extraction coupled with gas chromatography-mass spectrometry for determination of N-Nitrosodiphenylamine in water samples. CHEMOSPHERE 2018; 212:872-880. [PMID: 30195167 DOI: 10.1016/j.chemosphere.2018.08.159] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 08/25/2018] [Accepted: 08/30/2018] [Indexed: 06/08/2023]
Abstract
In this study, the molecularly imprinted polymers (MIPs) with high specific surface area and extraction efficiency of N-Nitrosodiphenylamine (NDPhA) were successfully prepared and a highly sensitive and selective method was developed for determination of NDPhA in water samples using MIPs solid-phase extraction (SPE) coupled with gas chromatography mass spectrometry (GC-MS) detection. The MIPs were successfully prepared using the method of precipitation polymerization and using methacrylic acid as the functional monomer, ethylene glycol dimethacrylate as the cross-linker, and N, N-Diphenylformamide as the template molecule. The newly synthesized MIPs were characterized and used as SPE sorbents. Under the optimized conditions, the average recoveries of NDPhA spiked in ultrapure water were higher than 94% ± 2.9% at three different concentrations and the limit of detection and limit of quantitation were 0.8 ng L-1 and 2.4 ng L-1, respectively. Moreover, the high selectivity of MIPs was attained and the satisfactory recoveries of NDPhA which were spiked in to real samples were achieved in the range of 92-107% with relative standard deviations (RSDs) within 0.3-7.9%. The low levels of NDPhA were detected in the two of twelve wastewater samples with concentrations of 5.6 ng L-1 and 3.6 ng L-1 with RSDs of 5.6% and 2.8%, respectively. The developed MIP-SPE method was proved to be practically feasible for selective extraction and enrichment of NDPhA in real water samples.
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Affiliation(s)
- Zhigang Li
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Zongyao Qian
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Shaoyang Hu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Tingting Gong
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China
| | - Qiming Xian
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, China.
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15
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Efficient sampling and determination of airborne N-nitrosamines by needle trap device coupled with gas chromatography–mass spectrometry. Microchem J 2018. [DOI: 10.1016/j.microc.2018.03.039] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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16
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Hong Y, Kim KH, Sang BI, Kim H. Simple quantification method for N-nitrosamines in atmospheric particulates based on facile pretreatment and GC-MS/MS. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2017; 226:324-334. [PMID: 28412030 DOI: 10.1016/j.envpol.2017.04.017] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Revised: 04/06/2017] [Accepted: 04/08/2017] [Indexed: 06/07/2023]
Abstract
Nine N-nitrosamines (i.e., N-nitrosomethylamine, N-nitrosodiethylamine (NDEA), N-nitrosodimethylamine (NDMA), N-nitrosodi-n-propylamine (NDPA), N-nitrosomorpholine (NMor), N-nitrosopyrrolidine (NPyr), N-nitrosopiperidine (NPip), N-nitorosodi-n-butylamine (NDBA), and N-nitrosodiphenylamine (NDPhA) in atmospheric PM2.5 collected in the fall season from an roadside site and a residential in Seoul, Korea have been analyzed using a newly developed method consisting of simple direct liquid extraction assisted by ultrasonication and subsequent quantification using a gas chromatography-triple quadrupole mass spectrometry (GC-TQMS). Excellent recovery values (92-100%) and method detection limits for the target compounds atmospheric PM samples could be achieved even without an evaporation step for sample concentration. The concentration of total N-nitrosamines in PM2.5 was ranged from 0.3 to 9.4 ng m-3 in this study; NDMA, NDEA, NDBA, NPyr, and NMor in PM2.5 were found to be the most frequently encountered compounds at the sampling sites. Since no industrial plant is located in Seoul, vehicle exhausts were considered major cause of the formation of nitrosamines in this study. The mechanisms how these compounds are formed and detected in the atmosphere are explained from the viewpoint of secondary organic aerosol. Considering the concentrations of N-nitrosamines and their associated potential health risks, a systematic monitoring of nitrosamines present in both ambient air and PM2.5 including seasonal and diurnal variations of selected sites (including potential precursor sources) should be carried out in the future. The proposed sample pretreatment method along with the analytical method will definitely help us perform the monitoring study.
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Affiliation(s)
- Youngmin Hong
- Technical Research Center, Dong-il Shimadzu Co., Seoul 08506, Republic of Korea
| | - Kyung Hwan Kim
- Technical Research Center, Dong-il Shimadzu Co., Seoul 08506, Republic of Korea
| | - Byoung-In Sang
- Dept. of Chemical Engineering & Bioengineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Hyunook Kim
- Dept. of Environmental Engineering, The University of Seoul, Seoul 02504, Republic of Korea.
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17
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Lv F, Guo J, Yu F, Zhang T, Zhang S, Cui H, Liu X, Chen L, Liu L, Liu S, Xie F. Determination of nine volatile N-nitrosamines in tobacco and smokeless tobacco products by dispersive solid-phase extraction with gas chromatography and tandem mass spectrometry. J Sep Sci 2016; 39:2123-8. [PMID: 27059265 DOI: 10.1002/jssc.201600037] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2016] [Revised: 03/11/2016] [Accepted: 03/21/2016] [Indexed: 11/10/2022]
Abstract
A method was developed for the determination of nine volatile N-nitrosamines in tobacco and smokeless tobacco products. The targets are N-nitrosodimethylamine, N-nitrosopyrrolidine, N-nitrosopiperidine, N-nitrosomorpholine, N-nitrosoethylmethylamine, N-nitrosodiethylamine, N-nitrosodipropylamine, N-nitrosobuylmethylmine, and N-nitrosodibutylamine. The samples were treated by dispersive solid-phase extraction using 1 g of primary secondary amine and 0.5 g of carbon and then analyzed by gas chromatography with tandem mass spectrometry with an electron impact ion source. The recoveries for the targets ranged from 84 to 118%, with <16% relative standard deviations at three spiking levels of 0.5, 1.25, and 2.5 ng/g. The limits of detection ranged from 0.03 to 0.15 ng/g. With the use of the proposed method, we detected the presence of six nitrosamines in the range of 0.4-30.7 ng/g. The study demonstrated that the method could be used as a rapid, convenient, and high-throughput method for N-nitrosamines analysis in tobacco matrix.
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Affiliation(s)
- Fang Lv
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
| | - Junwei Guo
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
| | - Fei Yu
- China Tobacco Zhejiang Industrial Co., Ltd, Hangzhou, China
| | - Tingting Zhang
- Gold leaf Manufacturing Center of China Tobacco Henan Industrial Co., Ltd, Zhengzhou, China
| | - Shimin Zhang
- Technique Center of Tobacco Production, PingDingshan Tobacco Company of Henan Tobacco Monopoly Bureau, PingDingshan, China
| | - Huapeng Cui
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
| | - Xianjun Liu
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
| | - Li Chen
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
| | - Leiyu Liu
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
| | - Shaofeng Liu
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
| | - Fuwei Xie
- Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, China
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18
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Kaur R, H, Kaur R, Rani S, Malik AK. Simple and rapid determination of phthalates using microextraction by packed sorbent and gas chromatography with mass spectrometry quantification in cold drink and cosmetic samples. J Sep Sci 2016; 39:923-31. [DOI: 10.1002/jssc.201500642] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Revised: 09/23/2015] [Accepted: 12/04/2015] [Indexed: 11/10/2022]
Affiliation(s)
- Ramandeep Kaur
- Department of Chemistry; Punjabi University; Patiala Punjab India
| | - Heena
- Department of Chemistry; Punjabi University; Patiala Punjab India
| | - Ripneel Kaur
- Department of Chemistry; Punjabi University; Patiala Punjab India
| | - Susheela Rani
- Department of Chemistry; Punjabi University; Patiala Punjab India
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19
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Jing Y, Lin E, Su X, Liu Y, Li H, Yuan X, Ping L, Fan Y. Electrodeposition of Au nanoparticles on poly(diallyldimethylammonium chloride) functionalized reduced graphene oxide sheets for voltammetric determination of nicotine in tobacco products and anti-smoking pharmaceuticals. RSC Adv 2016. [DOI: 10.1039/c6ra03399g] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The principal objective of this study was to develop a sensitive and selective electrochemical sensor for nicotine detection based on a novel PDDA-RGO/Au nanocomposite.
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Affiliation(s)
- Yanqiu Jing
- College of Tobacco Science
- Henan Agricultural University
- Zhengzhou
- China
| | - Erge Lin
- College of Tobacco Science
- Henan Agricultural University
- Zhengzhou
- China
| | - Xinhong Su
- Research Institute of Henan Tobacco Corporation
- Zhengzhou
- China
| | - Yingjie Liu
- Zhengzhou Branch of Henan Tobacco Corporation
- Zhengzhou
- China
| | - Huaiqi Li
- Technology Center of Chinese Tobacco Industrial Company of Henan
- Zhengzhou
- China
| | - Xiuxiu Yuan
- College of Tobacco Science
- Henan Agricultural University
- Zhengzhou
- China
| | - Lu Ping
- Technology Center of Chinese Tobacco Industrial Company of Henan
- Zhengzhou
- China
| | - Yikuan Fan
- Research Institute of Henan Tobacco Corporation
- Zhengzhou
- China
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20
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Dong H, Guo X, Xian Y, Luo H, Wang B, Wu Y. A salting out-acetonitrile homogeneous extraction coupled with gas chromatography–mass spectrometry method for the simultaneous determination of thirteen N -nitrosamines in skin care cosmetics. J Chromatogr A 2015; 1422:82-88. [DOI: 10.1016/j.chroma.2015.10.044] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2015] [Revised: 09/28/2015] [Accepted: 10/11/2015] [Indexed: 12/27/2022]
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21
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Identification and quantification of seven volatile n-nitrosamines in cosmetics using gas chromatography/chemical ionization-mass spectrometry coupled with head space-solid phase microextraction. Talanta 2015; 148:69-74. [PMID: 26653425 DOI: 10.1016/j.talanta.2015.10.045] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Revised: 10/16/2015] [Accepted: 10/17/2015] [Indexed: 11/23/2022]
Abstract
An analytical method was developed for the identification and quantification of seven volatile n-nitrosamines (n-nitrosodimethylamine [NDMA], n-nitrosoethylmethylamine [NMEA], n-nitrosodiethylamine [NDEA], n-nitrosodipropylamine [NDPA], n-nitrosodibutylamine [NDBA], n-nitrosopiperidine [NPIP], and n-nitrosopyrrolidine [NPYR]) in water insoluble cream type cosmetics. It was found that the head space-solid phase microextraction (HS-SPME) was suitable for extraction, clean up, and pre-concentration of n-nitrosamines in the cream type samples so its optimal conditions were investigated. Identification and quantification of n-nitrosamines using single quadrupole gas chromatography/mass spectrometry (GC/MS) in chemical ionization (CI) mode were carried out with accurate mass measurements. Their accurate masses of protonated molecular ions were obtained within 10 mDa of the theoretical masses when sufficiently high signal was acquired from the unique calibration method using mass and isotope accuracy. For the method validation of quantification, spiking experiments were carried out to determine the linearity, recovery, and method detection limit (MDL) using three deuterated internal standards. The average recovery was 79% within 20% relative standard deviation (RSD) at the concentration of 50 ng/g. MDLs ranged from 0.46 ng/g to 36.54 ng/g, which was satisfactory for the directive limit of 50 ng/g proposed by the European Commission (EC). As a result, it was concluded that the method could be provided for the accurate mass screening, confirmation, and quantification of n-nitrosamines when applied to cosmetic inspection.
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22
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Jia W, Chu X, Ling Y, Huang J, Chang J. Analysis of phthalates in milk and milk products by liquid chromatography coupled to quadrupole Orbitrap high-resolution mass spectrometry. J Chromatogr A 2014; 1362:110-8. [DOI: 10.1016/j.chroma.2014.08.030] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Revised: 08/05/2014] [Accepted: 08/07/2014] [Indexed: 01/08/2023]
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23
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Cruickshank-Quinn CI, Mahaffey S, Justice MJ, Hughes G, Armstrong M, Bowler RP, Reisdorph R, Petrache I, Reisdorph N. Transient and persistent metabolomic changes in plasma following chronic cigarette smoke exposure in a mouse model. PLoS One 2014; 9:e101855. [PMID: 25007263 PMCID: PMC4090193 DOI: 10.1371/journal.pone.0101855] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Accepted: 06/12/2014] [Indexed: 12/16/2022] Open
Abstract
Cigarette smoke exposure is linked to the development of a variety of chronic lung and systemic diseases in susceptible individuals. Metabolomics approaches may aid in defining disease phenotypes, may help predict responses to treatment, and could identify biomarkers of risk for developing disease. Using a mouse model of chronic cigarette smoke exposure sufficient to cause mild emphysema, we investigated whether cigarette smoke induces distinct metabolic profiles and determined their persistence following smoking cessation. Metabolites were extracted from plasma and fractionated based on chemical class using liquid-liquid and solid-phase extraction prior to performing liquid chromatography mass spectrometry-based metabolomics. Metabolites were evaluated for statistically significant differences among group means (p-value≤0.05) and fold change ≥1.5). Cigarette smoke exposure was associated with significant differences in amino acid, purine, lipid, fatty acid, and steroid metabolite levels compared to air exposed animals. Whereas 60% of the metabolite changes were reversible, 40% of metabolites remained persistently altered even following 2 months of smoking cessation, including nicotine metabolites. Validation of metabolite species and translation of these findings to human plasma metabolite signatures induced by cigarette smoking may lead to the discovery of biomarkers or pathogenic pathways of smoking-induced disease.
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Affiliation(s)
- Charmion I. Cruickshank-Quinn
- Integrated Department of Immunology, National Jewish Health and University of Colorado School of Medicine, Denver, Colorado, United States of America
| | - Spencer Mahaffey
- Integrated Department of Immunology, National Jewish Health and University of Colorado School of Medicine, Denver, Colorado, United States of America
- Department of Pharmacology, School of Medicine, University of Colorado Denver, Aurora, Colorado, United States of America
| | - Matthew J. Justice
- Departments of Medicine and of Biochemistry and Molecular Biology, Indiana University, Indianapolis, Indiana, United States of America
| | - Grant Hughes
- Department of Biostatistics and Informatics, University of Colorado Denver, Aurora, Colorado, United States of America
| | - Michael Armstrong
- Integrated Department of Immunology, National Jewish Health and University of Colorado School of Medicine, Denver, Colorado, United States of America
| | - Russell P. Bowler
- Department of Medicine, National Jewish Health, Denver, Colorado, United States of America
| | - Richard Reisdorph
- Integrated Department of Immunology, National Jewish Health and University of Colorado School of Medicine, Denver, Colorado, United States of America
- Department of Pediatrics, National Jewish Health, Denver, Colorado, United States of America
| | - Irina Petrache
- Departments of Medicine and of Biochemistry and Molecular Biology, Indiana University, Indianapolis, Indiana, United States of America
- Richard L. Roudebush VA Medical Center, Indianapolis, Indiana, United States of America
- * E-mail: (NR); (IP)
| | - Nichole Reisdorph
- Integrated Department of Immunology, National Jewish Health and University of Colorado School of Medicine, Denver, Colorado, United States of America
- * E-mail: (NR); (IP)
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