Hydroxyfullerene as a novel coating for solid-phase microextraction fiber with sol–gel technology

Yu, Jing; Li, Dong; Wu, Caiying; Wu, Lin; Xing, Junpeng

doi:10.1016/s0021-9673(02)01347-x

Cited by 171 publications

(53 citation statements)

References 26 publications

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“…Not only carbon nanotubes have been immobilized by the sol-gel technique. This methodology has also been used by Yu et al (Yu et al, 2002) to deposit hydroxyfullerenes on a fused silica capillary, which was further used for the determination of PCBs, PAHs and polar aromatic amines in water samples by HS-SPME coupled with GC-ECD/FID. The fiber can be used for nearly 200 times, while commercial fibers can be typically used for ca.…”

Section: Solid Phase Microextraction Based On Carbon Nanoparticlesmentioning

confidence: 99%

Solid Phase (Micro)extraction Tools Based on Carbon Nanotubes and Related Nanostructures

Jiménez-Soto¹,

Lucena²,

Cárdenas³

et al. 2010

Carbon Nanotubes

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Section: Solid Phase Microextraction Based On Carbon Nanoparticlesmentioning

confidence: 99%

Solid Phase (Micro)extraction Tools Based on Carbon Nanotubes and Related Nanostructures

Jiménez-Soto¹,

Lucena²,

Cárdenas³

et al. 2010

Carbon Nanotubes

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“…They also utilized this fiber in the determination of hydrocarbon compounds and aromatic compounds, though they found that this fiber had a good ability to extract polar compounds (10). In order to produce a more stable structure, they bonded hydroxyls of fullerenes into the skeleton of polysiloxane (Figure 1) by the sol-gel technique and tested the extraction ability of the new coating by extracting polychlorinated biphenyl, polycyclic aromatic hydrocarbon, and aromatic amine, by which they obtained very high sensitivity (11). Zeng et al (12) also bonded crown ethers to the side chain of polysiloxane to obtain a new coating, which had a very high capacity in extracting phenols compounds.…”

Section: Coatings Based On Organosiloxane Materialsmentioning

confidence: 99%

Progress of Solid‐Phase Microextraction Coatings and Coating Techniques

et al. 2006

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(SPME) has been popular as an environmentally friendly sample pretreatment technique to extract a very wide range of analytes. This is partly owing to the development of SPME coatings. One of the key factors affecting the extraction performances, such as the sensitivity, selectivity, and reproducibility, is the properties of the coatings on SPME fibers. This paper classifies the materials used as SPME coatings and introduces some common preparation techniques of SPME coating in detail, such as sol-gel technique, electrochemical polymerization technique, particle direct pasting technique, restricted access matrix SPME technique, and molecularly imprinted SPME technique. IntroductionSolid-phase microextraction (SPME) is a sample preparation technique developed by Pawliszyn et al. (1,2). The process of SPME includes two major operation steps: extraction and desorption. Because both extraction and desorption take place on the coatings, the properties of the coatings determine the performance of SPME. Based on this fact, the development of new coatings has been in great demand for a long time. In recent years, the quantity of papers discussing new coatings for SPME has increased rapidly. In this paper, many of the present coatings are classified, and the common preparation techniques are described in detail. Discussion The classifying of coatingsIn the book Applications of Solid-Phase Microextraction, Górecki (3) sorted the coatings from Supelco (Bellefonte, PA) into two different categories: high-viscosity liquid coatings and solid coatings. He also described the extraction mechanism for both kinds of coatings, respectively. For liquid coatings, the extraction of analytes is obtained by the absorption, in which the analytes can transfer from the surface of coatings to the inside. This kind of coating includes the common stationary phases polydimethylsiloxane (PDMS) and polyacrylate (PA). For solid coatings, the extraction of analytes is based on adsorption, in which the analytes may only stay on the surface of the coatings. Some composite coatings such as PDMS-divinylbenzene (DVB), carbowax-DVB, carbowax-templete resin, etc. from Supelco are solid coatings with porous surfaces. They can only extract analytes by adsorption. During the extraction process, the mechanism of adsorption is much more complex than absorption.With the development of the SPME technique, more and more new materials are utilized in the preparation of coatings. More than half of currently available coatings are solid coatings. However, they are divided by the properties of the materials; the solid coatings are multifarious. Based on organic and inorganic types, there are two primary kinds of coatings: organic and inorganic. Organic coatingOrganic polymer materials are the first kind of material used as SPME coatings. Because traditional SPME fibers utilize fusedsilica fiber as solid-phase carriers, compared with inorganic materials, organic polymer materials are easier to affix with fiber. In addition, at high temperature, the thermal coefficien...

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“…The sol-gel approach for the production of SPME fiber coatings started gaining attention in many research groups. Sol-gel active moieties incorporated in fiber coatings include compounds like fullerenes, 7 calixarenes, 8 cyclodextrins, 9 poly(vinyl alcohol) 10 and poly(ethylene glycol).…”

Section: Introductionmentioning

confidence: 99%

Solid Phase Microextraction Fibers Coated with Sol-gel Aminopropylsilica/polydimethylsiloxane: Development and Its Application to Screening of Beer Headspace

Biajoli

Augusto

2008

ANAL. SCI.

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The preparation and applicability of solid phase microextraction (SPME) fibers coated with a sol-gel organically modified silica based on 3-aminopropyltrimethoxysilane and polydimethylsiloxane (APTMS/PDMS) are described here. Micrographs of the coated fibers revealed a rugous surface; the thickness of the coating was estimated to be less than 30 mm. The APTMS/PDMS fibers were tested with synthetic samples and compared to commercial fibers for headspace SPME analysis of beer. Extraction and desorption using the APTMS/PDMS fibers were faster, which is typical for sol-gel SPME fibers. For polar and semi-polar compounds on beer headspace, the extraction efficiencies of the APTMS/PDMS fiber were superior to those of conventional fibers. The APTMS/PDMS fiber was found to be capable of extracting a broad range of analytes, including highly polar acidic species such as organic acids.

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Hydroxyfullerene as a novel coating for solid-phase microextraction fiber with sol–gel technology

Cited by 171 publications

References 26 publications

Solid Phase (Micro)extraction Tools Based on Carbon Nanotubes and Related Nanostructures

Solid Phase (Micro)extraction Tools Based on Carbon Nanotubes and Related Nanostructures

Progress of Solid‐Phase Microextraction Coatings and Coating Techniques

Solid Phase Microextraction Fibers Coated with Sol-gel Aminopropylsilica/polydimethylsiloxane: Development and Its Application to Screening of Beer Headspace

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