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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Main Authors: Yuanyuan Yuan, Baohui Li, Keqing Zhang, Hongtao Zhu
Format: Article
Language:English
Published: MDPI AG 2025-03-01
Series:Nanomaterials
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Online Access:https://www.mdpi.com/2079-4991/15/5/385
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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
collection DOAJ
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%.
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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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