Screening for Bisphenol Chemicals : A Strategy Based on Dansyl Chloride Derivatizatio n Coupled with In-Source Fragmentation by High-Resolution Mass Spectrometry
Bisphenol chemicals (BPs) represent a complexity of halogenated and nonhalogenated substances sharing a common structure of two phenol functionalities, some of which exhibit ubiquitous environmental distributions and endocrine-disrupting activities. However, environmental monitoring of complex BP-like chemicals has faced analytical challenges arising from the lack of commercially available reference standards and efficient screening strategies. In the present study, we developed a strategy based on dansyl chloride (DnsCl) derivatization in combination with in-source fragmentation (D-ISF) during high-resolution mass spectrometry analysis to screen for bisphenol chemicals in complex environmental samples. The strategy contains three steps, including DnsCl derivatization to enhance the detection sensitivity by one to more than four orders of magnitude, in-source fragmentation to produce characteristic loss of 234.0589, 63.9619, and 298.0208 Da for the identification of DnsCl-derivatized compounds, and data processing and annotation. The D-ISF strategy was further validated and then applied to identify BPs in six types of particular matters as representative environmental samples, including settled dust from an electronic waste dismantling site, homes, offices, and vehicles, and airborne particles from indoor and outdoor environments. A total of six halogenated and fourteen nonhalogenated BPs were identified in the particles, including several chemicals that had rarely or never been identified in environmental samples. Our strategy offers a powerful tool for the environmental monitoring of bisphenol chemicals and assessment of human exposure risks.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:95 |
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| Enthalten in: |
Analytical chemistry - 95(2023), 15 vom: 18. Apr., Seite 6227-6234 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Liu, Xiaotu [VerfasserIn] |
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| Links: |
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| Themen: |
Benzhydryl Compounds |
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| Anmerkungen: |
Date Completed 19.04.2023 Date Revised 21.04.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1021/acs.analchem.2c03461 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM355316692 |
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| 520 | |a Bisphenol chemicals (BPs) represent a complexity of halogenated and nonhalogenated substances sharing a common structure of two phenol functionalities, some of which exhibit ubiquitous environmental distributions and endocrine-disrupting activities. However, environmental monitoring of complex BP-like chemicals has faced analytical challenges arising from the lack of commercially available reference standards and efficient screening strategies. In the present study, we developed a strategy based on dansyl chloride (DnsCl) derivatization in combination with in-source fragmentation (D-ISF) during high-resolution mass spectrometry analysis to screen for bisphenol chemicals in complex environmental samples. The strategy contains three steps, including DnsCl derivatization to enhance the detection sensitivity by one to more than four orders of magnitude, in-source fragmentation to produce characteristic loss of 234.0589, 63.9619, and 298.0208 Da for the identification of DnsCl-derivatized compounds, and data processing and annotation. The D-ISF strategy was further validated and then applied to identify BPs in six types of particular matters as representative environmental samples, including settled dust from an electronic waste dismantling site, homes, offices, and vehicles, and airborne particles from indoor and outdoor environments. A total of six halogenated and fourteen nonhalogenated BPs were identified in the particles, including several chemicals that had rarely or never been identified in environmental samples. Our strategy offers a powerful tool for the environmental monitoring of bisphenol chemicals and assessment of human exposure risks | ||
| 650 | 4 | |a Journal Article | |
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| 700 | 1 | |a Chen, Yukun |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Lei |e verfasserin |4 aut | |
| 700 | 1 | |a Yan, Meilin |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Bin |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Da |e verfasserin |4 aut | |
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