A Novel Gully-like Surface of Stainless-Steel Fiber Coated with COF-TPB-DMTP Nanoparticles for Solid-Phase Microextraction of Phthalic Acid Esters in Bottled Tea Beverages
A covalent organic framework TPB-DMTP was physically coated onto the gully-like surface of stainless-steel fiber. The fabricated TPB-DMTP-coated stainless-steel fiber was used to extract five phthalic acid esters (PAEs) prior to the GC-FID separation and determination in bottled tea beverages. The d...
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MDPI AG
2025-03-01
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| author | Yuanyuan Yuan Baohui Li Keqing Zhang Hongtao Zhu |
| author_facet | Yuanyuan Yuan Baohui Li Keqing Zhang Hongtao Zhu |
| author_sort | Yuanyuan Yuan |
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| description | A covalent organic framework TPB-DMTP was physically coated onto the gully-like surface of stainless-steel fiber. The fabricated TPB-DMTP-coated stainless-steel fiber was used to extract five phthalic acid esters (PAEs) prior to the GC-FID separation and determination in bottled tea beverages. The developed SPME-GC-FID method gave limits of detection (S/N = 3) from 0.04 µg·L<sup>−1</sup> (DBP) to 0.44 µg·L<sup>−1</sup> (BBP), with the enrichment factors from 268 (DEHP) to 2657 (DPP). The relative standard deviations (RSDs) of the built method for inter-day and fiber-to-fiber were 4.1–11.8% and 2.3–9.9%, respectively. The prepared TPB-DMTP-coated stainless-steel fibers could stand at least 180 cycles without a significant loss of extraction efficiency. The developed method was successfully applied for the determination of trace PAEs in different bottled tea beverages, with recoveries from 85.5% to 115%. |
| format | Article |
| id | doaj-art-4e9b8c82f61a46299e395312a8e3b50c |
| institution | DOAJ |
| issn | 2079-4991 |
| language | English |
| publishDate | 2025-03-01 |
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| series | Nanomaterials |
| spelling | doaj-art-4e9b8c82f61a46299e395312a8e3b50c2025-08-20T02:59:00ZengMDPI AGNanomaterials2079-49912025-03-0115538510.3390/nano15050385A Novel Gully-like Surface of Stainless-Steel Fiber Coated with COF-TPB-DMTP Nanoparticles for Solid-Phase Microextraction of Phthalic Acid Esters in Bottled Tea BeveragesYuanyuan Yuan0Baohui Li1Keqing Zhang2Hongtao Zhu3Department of Environmental Science and Engineering, North China Electric Power University, Baoding 071003, ChinaDepartment of Environmental Science and Engineering, North China Electric Power University, Baoding 071003, ChinaDepartment of Environmental Science and Engineering, North China Electric Power University, Baoding 071003, ChinaDepartment of Environmental Science and Engineering, North China Electric Power University, Baoding 071003, ChinaA covalent organic framework TPB-DMTP was physically coated onto the gully-like surface of stainless-steel fiber. The fabricated TPB-DMTP-coated stainless-steel fiber was used to extract five phthalic acid esters (PAEs) prior to the GC-FID separation and determination in bottled tea beverages. The developed SPME-GC-FID method gave limits of detection (S/N = 3) from 0.04 µg·L<sup>−1</sup> (DBP) to 0.44 µg·L<sup>−1</sup> (BBP), with the enrichment factors from 268 (DEHP) to 2657 (DPP). The relative standard deviations (RSDs) of the built method for inter-day and fiber-to-fiber were 4.1–11.8% and 2.3–9.9%, respectively. The prepared TPB-DMTP-coated stainless-steel fibers could stand at least 180 cycles without a significant loss of extraction efficiency. The developed method was successfully applied for the determination of trace PAEs in different bottled tea beverages, with recoveries from 85.5% to 115%.https://www.mdpi.com/2079-4991/15/5/385covalent organic frameworkssolid-phase microextractiongully-like surfacephthalic acid estersgas chromatographybeverages |
| spellingShingle | Yuanyuan Yuan Baohui Li Keqing Zhang Hongtao Zhu A Novel Gully-like Surface of Stainless-Steel Fiber Coated with COF-TPB-DMTP Nanoparticles for Solid-Phase Microextraction of Phthalic Acid Esters in Bottled Tea Beverages Nanomaterials covalent organic frameworks solid-phase microextraction gully-like surface phthalic acid esters gas chromatography beverages |
| title | A Novel Gully-like Surface of Stainless-Steel Fiber Coated with COF-TPB-DMTP Nanoparticles for Solid-Phase Microextraction of Phthalic Acid Esters in Bottled Tea Beverages |
| title_full | A Novel Gully-like Surface of Stainless-Steel Fiber Coated with COF-TPB-DMTP Nanoparticles for Solid-Phase Microextraction of Phthalic Acid Esters in Bottled Tea Beverages |
| title_fullStr | A Novel Gully-like Surface of Stainless-Steel Fiber Coated with COF-TPB-DMTP Nanoparticles for Solid-Phase Microextraction of Phthalic Acid Esters in Bottled Tea Beverages |
| title_full_unstemmed | A Novel Gully-like Surface of Stainless-Steel Fiber Coated with COF-TPB-DMTP Nanoparticles for Solid-Phase Microextraction of Phthalic Acid Esters in Bottled Tea Beverages |
| title_short | A Novel Gully-like Surface of Stainless-Steel Fiber Coated with COF-TPB-DMTP Nanoparticles for Solid-Phase Microextraction of Phthalic Acid Esters in Bottled Tea Beverages |
| title_sort | novel gully like surface of stainless steel fiber coated with cof tpb dmtp nanoparticles for solid phase microextraction of phthalic acid esters in bottled tea beverages |
| topic | covalent organic frameworks solid-phase microextraction gully-like surface phthalic acid esters gas chromatography beverages |
| url | https://www.mdpi.com/2079-4991/15/5/385 |
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