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Ovchinnikov DV, Falev DI, Solovyova PV, Ul'yanovskii NV, Kosyakov DS. Rapid determination of phthalates in paper products by supercritical fluid chromatography / tandem mass spectrometry. J Sep Sci 2022; 45:4116-4127. [PMID: 36099363 DOI: 10.1002/jssc.202200404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 09/08/2022] [Accepted: 09/09/2022] [Indexed: 11/09/2022]
Abstract
Phthalic acid esters (PAEs) are widely used as components of industrial and consumer products including paper and cardboard packaging materials contacting with food or human skin. Being endocrine-disrupting chemicals, PAEs have a negative effect on human health and must be controlled in pulp and paper products. In the present study, supercritical fluid chromatography - tandem mass spectrometry in combination with pressurized liquid extraction was proposed for PAEs determination in such objects. Octadecyl stationary phase with non-endcapped silanol groups ensured rapid (4 min) separation of the ten priority PAEs in isocratic elution mode and allowed for effective elimination of interferences from the trace impurities of PAEs in the mobile phase. The attained LOQs are in the range of 0.7-10 μg/L in extracts and 0.02-0.3 μg/g in paper and cardboard samples. The developed method is distinguished by analysis rapidity, easy sample preparation procedure, high selectivity, low susceptibility to mobile phase contamination with analytes, low cost and environmental friendliness due to the use of carbon dioxide as a main component of the mobile phase. The method was successfully tested on real samples of toilet paper and food packaging paper and cardboard in which eight analytes were found at the levels of 0.03-43.5 μg/g. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Denis V Ovchinnikov
- Core Facility Center «Arktika», M.V. Lomonosov Northern (Arctic) Federal University, Arkhangelsk, Russia
| | - Danil I Falev
- Core Facility Center «Arktika», M.V. Lomonosov Northern (Arctic) Federal University, Arkhangelsk, Russia
| | - Polina V Solovyova
- Core Facility Center «Arktika», M.V. Lomonosov Northern (Arctic) Federal University, Arkhangelsk, Russia
| | - Nikolay V Ul'yanovskii
- Core Facility Center «Arktika», M.V. Lomonosov Northern (Arctic) Federal University, Arkhangelsk, Russia
| | - Dmitry S Kosyakov
- Core Facility Center «Arktika», M.V. Lomonosov Northern (Arctic) Federal University, Arkhangelsk, Russia
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Wang X, Wang H, Wu X, Lu Y. Characterization and determination of Benvitimod, an unknown risk substance in cosmetics, using nuclear magnetic resonance spectroscopy and HPLC-MS/MS. J Sep Sci 2022; 45:3652-3662. [PMID: 35822938 DOI: 10.1002/jssc.202200388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/27/2022] [Accepted: 07/09/2022] [Indexed: 11/06/2022]
Abstract
Ultra-high performance liquid chromatography-tandem high-resolution mass spectrometry, combined with preparative chromatography and nuclear magnetic resonance spectroscopy, a new method for identifying unknown risk substances structure in cosmetics has been established. Moreover, HPLC-MS/MS was developed for the determination of benvitimod in cosmetics. The sample was collected in Ultra-high performance liquid chromatography-tandem high-resolution mass spectrometry, the molecular formula of the unknown was obtained as C17 H18 O2 . After preparative chromatography enrichment and purification, the enriched compound was scanned by nuclear magnetic resonance spectroscopy, and the chemical structure of the unknown was confirmed as benvitimod. Subsequently, the separation was determined in multiple reaction monitoring mode. The results showed that the linearity of benvitimod was good in the range of 1∼100 μg/L with the correlation coefficient r2 >0.999; the limit of detection and quantification were 0.02 mg/kg and 0.067 mg/kg; the precision and stability were good; the average recoveries were 104.2%, 108.2% and 108.7% for low, medium and high spiked concentrations. Forty batches of cosmetics were screened, of which two batches were detected with illegal addition of benvitimod at 2.48 g/kg and 3.13 g/kg. The method effectively solved the loopholes in regulation and provided a research basis for the qualitative identification of structurally unknown compounds in cosmetics. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Xinran Wang
- National Institutes for Food and Drug Control/NMPA Key Laboratory for Researching and Evaluation of Cosmetics, Beijing, 100050, China
| | - Haiyan Wang
- National Institutes for Food and Drug Control/NMPA Key Laboratory for Researching and Evaluation of Cosmetics, Beijing, 100050, China
| | - Xianfu Wu
- National Institutes for Food and Drug Control/NMPA Key Laboratory for Researching and Evaluation of Cosmetics, Beijing, 100050, China
| | - Yong Lu
- National Institutes for Food and Drug Control/NMPA Key Laboratory for Researching and Evaluation of Cosmetics, Beijing, 100050, China
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Wang Z, He M, Chen B, Hu B. Triazine covalent organic polymer coated stir bar sorptive extraction coupled with high performance liquid chromatography for the analysis of trace phthalate esters in mineral water and liquor samples. J Chromatogr A 2021; 1660:462665. [PMID: 34798443 DOI: 10.1016/j.chroma.2021.462665] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 10/27/2021] [Accepted: 10/28/2021] [Indexed: 11/30/2022]
Abstract
Cyanuric chloride and 4,4'-diamino-p-terphenyl were adopted as monomers to synthesize poly (4,4'-diamino-p-terphenyl-triazine) (PDT) covalent organic polymer. PDT coated stir bar was prepared and evaluated for the extraction of five phthalate esters (PAEs) with relatively lower logP values (2.7-4.9), including diethyl phthalate, diallyl phthalate, dipropyl phthalate, benzylbutyl phthalate and dibutyl phthalate. It exhibited higher extraction recovery (> 65%) and faster extraction kinetics (50 min vs 240 min) for target PAEs over commercial polydimethylsiloxane coated stir bar. Based on the superior performance, PDT coated stir bar sorptive extraction was combined with high-performance liquid chromatography-diode array detection for trace analysis of five PAEs plasticizers. The limits of detection for target PAEs were 0.04-0.27 μg/L, with the enrichment factors of 54-80-fold. The potential of the method was demonstrated by detecting five target PAEs in Chinese liquor and mineral water samples. No target analytes were detected in Chinese liquor sample, and recoveries of 85.4-109% were obtained for target analytes in spiked liquor samples; trace diethyl phthalate (1.19-2.98 μg/L) and dibutyl phthalate (0.77-0.91 μg/L) were detected in two mineral water samples, with recoveries of 85.4-117% and 87.4-117% respectively in spiked mineral water samples.
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Affiliation(s)
- Zhuo Wang
- Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Man He
- Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Beibei Chen
- Department of Chemistry, Wuhan University, Wuhan 430072, China
| | - Bin Hu
- Department of Chemistry, Wuhan University, Wuhan 430072, China.
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Wang RQ, Ding J, Geng Y, Li YZ, Mei YW, Bao K, Yu HD, Feng YQ. CRB-SWATH: A Method for Enhancing Untargeted Precursor Ion Extraction and Automatically Constructing Their Tandem Mass Spectra from SWATH Datasets by Chromatographic Retention Behaviors. Anal Chem 2021; 93:12273-12280. [PMID: 34459594 DOI: 10.1021/acs.analchem.1c01841] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Sequential window acquisition of all theoretical spectra (SWATH) as a typical data-independent acquisition (DIA) strategy is favorable for untargeted metabolomics. It could theoretically acquire product ions of all precursor ions, including precursor ions showing chromatographic peaks of rather poor qualities. However, existing data processing methods present limited capabilities in capturing poor-quality peaks of precursor ions. Thus, although their product ions could be acquired, their precursor ions are absent. Here, we present a new strategy, chromatographic retention behavior-SWATH (CRB-SWATH), that could unbiasedly capture poor-quality peaks and provide high resolutions of multiplexed mass spectroscopy (MS/MS) spectra in SWATH datasets. CRB-SWATH monitors CRBs of SWATH-MS signals under a series of altered elution gradients. As signals of compounds differ from noise by showing CRBs, both the precursor and fragment ions are captured, while ignoring their peak qualities. Moreover, CRB-SWATH offers good chances to resolve highly multiplexed MS/MS spectra in SWATH datasets because precursor ions coeluted in a single elution gradient often present different CRBs. In the untargeted metabolic analysis of Hela cell extracts, CRB-SWATH showed the advantage in exclusively capturing 2645 ions of poor-quality peaks (i.e., tiny peaks, discontinuous ion traces, tailing peaks, zigzag peaks, etc.), accounting for 34.4% of all the untargeted precursor ions extracted. Therein, it is noteworthy that among 2116 negative ions detected in hydrophilic interaction liquid chromatography (HILIC) mode, 1284 poor-quality ion peaks (>60%) were exclusively captured by CRB-SWATH. As CRB-SWATH automatically captures a large sum of true ion peaks of poor qualities, extracts MS/MS spectra of high purities, and provides chromatographic retention behaviors of untargeted metabolites for identification and classification, it could be a useful metabolomics tool for understanding biological phenomena better.
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Affiliation(s)
- Ren-Qi Wang
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, People's Republic of China
| | - Jun Ding
- Department of Chemistry, Wuhan University, Wuhan 430072, People's Republic of China
| | - Ye Geng
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, People's Republic of China
| | - Yuan-Zheng Li
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an 710021, People's Republic of China
| | - Ying-Wu Mei
- Department of Biochemistry and Molecular Biology, School of Basic Medical Science, Zhengzhou University, Zhengzhou 450001, People's Republic of China
| | - Kai Bao
- SINTEF Digital, 124 Blindern, Oslo 0314, Norway
| | - Huai-Dong Yu
- Shanghai AB Sciex Analytical Instrument Trading Co., Ltd, Shanghai 200335, People's Republic of China
| | - Yu-Qi Feng
- Department of Chemistry, Wuhan University, Wuhan 430072, People's Republic of China.,Frontier Science Center for Immunology and Metabolism, Wuhan University, Wuhan 430072, People's Republic of China
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Martín-Pozo L, Gómez-Regalado MDC, Moscoso-Ruiz I, Zafra-Gómez A. Analytical methods for the determination of endocrine disrupting chemicals in cosmetics and personal care products: A review. Talanta 2021; 234:122642. [PMID: 34364451 DOI: 10.1016/j.talanta.2021.122642] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 06/21/2021] [Accepted: 06/22/2021] [Indexed: 12/13/2022]
Abstract
Personal care products (PCPs) and cosmetics are indispensable product in our daily routine. Their widespread use makes them a potential route of exposure for certain contaminants to which human would not be normally exposed. One of these contaminants includes endocrine disrupting chemicals, molecules capable of mimicking the body's natural hormones and interfering with the endocrine system. Some of them are ingredients included in the product's formulation, such as UV-filters (sunscreens), phthalates (plasticizers and preservatives), synthetic musks (fragrances), parabens and other antimicrobial agents (antimicrobial preservatives). Others are non-intended added substances that may result from the manufacturing process or migration from the plastic packaging, as with bisphenols and perfluorinated compounds. Some of these endocrine disruptors have been restricted or even banned in cosmetics and PCPs given the high risk they pose to health. Thus, the development of fast, sensitive and precise methods for the identification and quantification of these compounds in cosmetics is a substantial need in order to ensure consumer safety and provide insight into the real risk of human exposure. The present work aims at reviewing the more recently developed analytical methods published in the literature for the determination of endocrine disrupting chemicals in cosmetics and PCPs using chromatographic techniques, with a focus on sample treatment and the quality of analytical parameters.
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Affiliation(s)
- Laura Martín-Pozo
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, E-18071, Granada, Spain.
| | | | - Inmaculada Moscoso-Ruiz
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, E-18071, Granada, Spain; Department of Nutrition and Bromatology, Faculty of Pharmacy, University of Granada, E-18071, Granada, Spain
| | - Alberto Zafra-Gómez
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, E-18071, Granada, Spain; Instituto de Investigación Biosanitaria ibs, E-18016, Granada, Spain.
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