2001
DOI: 10.1016/s0021-9673(01)01303-6
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Solid-phase microextraction of monocyclic aromatic amines using novel fibers coated with crown ether

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Cited by 110 publications
(39 citation statements)
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“…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. Some crown ethers with other substitutes were also bonded to the side chain of polysiloxane as SPME coatings ( Figure 2) (13)(14)(15)(16)(17)(18) to extract many kinds of organic compounds, such as organophosphorous pesticides, and showed excellent extraction characteristics for many organic compounds. Recently, the group of Zeng (19) also bonded calyx [4]arenes to the side chain of polysiloxane (Figure 3), which has a good ability to extract a supermolecule, and it also has good selectivity for polar aromatic amine compounds.…”
Section: Coatings Based On Organosiloxane Materialsmentioning
confidence: 99%
“…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. Some crown ethers with other substitutes were also bonded to the side chain of polysiloxane as SPME coatings ( Figure 2) (13)(14)(15)(16)(17)(18) to extract many kinds of organic compounds, such as organophosphorous pesticides, and showed excellent extraction characteristics for many organic compounds. Recently, the group of Zeng (19) also bonded calyx [4]arenes to the side chain of polysiloxane (Figure 3), which has a good ability to extract a supermolecule, and it also has good selectivity for polar aromatic amine compounds.…”
Section: Coatings Based On Organosiloxane Materialsmentioning
confidence: 99%
“…Malik and coworkers described the preparation of sol-gel polytetrahydrofuran [18] and dendrimer [19] coatings for capillary microextraction of both polar and nonpolar analytes from aqueous solutions. In our group, hydroxyl-crown ether [20,21], calixarene [22,23], poly(methylphenylvinylsiloxane) [24], silicone/divinylbenzene (DVB) [25], and open crown ether [26] coated fibers have been prepared with this technique. Compared with conventional SPME fibers, they showed better selectivity and sensitivity toward polar, nonpolar, and high-boiling compounds.…”
Section: Introductionmentioning
confidence: 99%
“…Sol-gel calixarene [22,23] fiber possessed particular selectivity to nonpolar aromatic compounds owing to the p-p interactions, hydrophobic interactions, and cavity-shaped cyclic molecular structure. Sol-gel crown ether [20,21] fiber shows us a good application prospect because of its unique selectivity to polar compounds resulting from its cavity structure and the strong electronegative effect of heteroatom on the crown ether ring.…”
Section: Introductionmentioning
confidence: 99%
“…9,10 Recently, a new coating layer including PDMS, 14 C8, 15 crown ether, 16,17 fullerene 18 prepared by sol-gel chemistry exhibited additional advantages, such as high porosity and chemical stability.…”
mentioning
confidence: 99%