Deposition of a Sorbent into a Recession on a Solid Support To Provide a New, Mechanically Robust Solid-Phase Microextraction Device

Date

2017-08-01

Author

Poole, Justen J.
Grandy, Jonathan J.
Yu, Miao
Boyacı, Ezel
Gomez-Rios, German A.
Reyes-Garces, Nathaly
Bojko, Barbara
Heide, Harmen Vander
Pawliszyn, Janusz

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To date, solid-phase microextraction (SPME) fibers used for in vivo bioanalysis can be too fragile and flexible, which limits suitability for direct tissue sampling. As a result, these devices often require a sheathing needle to prepuncture robust sample matrixes and protect the extraction phase from mechanical damage. To address this limitation, a new SPME device is herein presented which incorporates an extraction phase recessed into the body of a solid needle. This device requires no additional support or shielding during puncture events through protective tissue. The presented device was, thoroughly tested, being fired at 90 m.s(-1) through fish scales, forced through vial septa, and employed in a targeted study of polyunsaturated fatty acids in salmon where the protective outer skin was repetitively punctured during sampling. Finally, the recessed SPME device was applied to an on-site application for the tissue analysis of wild muskellunge. With this advancement, rapid, minimally invasive, and easily executed in vivo SPME is now possible opening the door to near endless sampling opportunities.

Subject Keywords

Analytical Chemistry

URI

https://hdl.handle.net/11511/43851

Journal

ANALYTICAL CHEMISTRY

DOI

https://doi.org/10.1021/acs.analchem.7b01382

Collections

Department of Chemistry, Article

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Citation Formats

J. J. Poole et al., “Deposition of a Sorbent into a Recession on a Solid Support To Provide a New, Mechanically Robust Solid-Phase Microextraction Device,” ANALYTICAL CHEMISTRY, pp. 8021–8026, 2017, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/43851.