The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Absorption of Hydrophobic Compounds into the Poly(dimethylsiloxane) Coating of Solid-Phase Microextraction Fibers: High Partition Coefficients and Fluorescence Microscopy Images
Open accessAbstract
The use of solid-phase microextraction with poly(dimethylsiloxane) (PDMS)-coated glass fibers for the extraction and analysis of hydrophobic organic analytes is increasing. The literature on this topic is characterized by large discrepancies in partition coefficients and an uncertainty of whether highly hydrophobic analytes are retained by absorption into the fiber coating or by adsorption to the fiber surface. We applied a new method, which minimizes the impact of experimental artifacts, to determine PDMS water partition coefficients of 17 hydrophobic analytes including chlorinated benzenes, PCBs, PAHs, and p,p'-DDE. These partition coefficients are several orders of magnitude higher than some reported values. Two observations strongly suggest that the retention of hydrophobic organic substances is governed by partitioning into the PDMS coating. (1) The partition coefficients are proportional with octanol/water partition coefficients. (2) The fluorescence of fluoranthene was observed to be homogeneously distributed within the polymer coating when studied by means of fluorescence microscopy. Implications of these findings for the application of solid-phase microextraction with respect to potential detection limits, with respect to biomimetic extraction, and with respect to measurements in multicompartment systems are discussed.
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Cites
Solid-phase microextraction of polychlorinated biphenyls
Yang, Y., Miller, D. J., & Hawthorne, S. B. (1998) · Journal of Chromatography A · doi:10.1016/s0021-9673(97)01115-1 · Cited by 116
Cited by
Rodrigues, J. P., Duarte, A. C., Santos-Echeandía, J., & Rocha-Santos, T. (2019) · TrAC Trends in Analytical Chemistry · doi:10.1016/j.trac.2018.11.038 · Cited by 491
Nondestructive Sampling of Living Systems Using in Vivo Solid-Phase Microextraction
Ouyang, G., Vuckovic, D., & Pawliszyn, J. (2011) · Chemical Reviews · doi:10.1021/cr100203t · Cited by 426
Digital Microfluidics with In-Line Sample Purification for Proteomics Analyses with MALDI-MS
Wheeler, A. R., Moon, H., Bird, C. A., Ogorzalek Loo, R. R., Kim, C.-J. “. J. ”., Loo, J. A., & Garrell, R. L. (2005) · Analytical Chemistry · doi:10.1021/ac048754+ · Cited by 255
Metadata
- Authors
- Mayer, P., Vaes, W. H. J., & Hermens, J. L. M.
- Venue
- Analytical Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 1999-12-28
- Volume
- 72
- Issue
- 3
- Pages
- 459-464
- ISSN
- 0003-2700 (ISSN-L)
- 1520-6882
- OpenAlex
- W2026294795
- Cited by
- 183
- References
- 1
- FWCI
- 6.05
- Type
- journal article
- Language
- en
- Open access
- green
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