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Nanoporous Solid Phase Microextraction Fibers by Sputtering Silicon
EP23917
Poster Title: Nanoporous Solid Phase Microextraction Fibers by Sputtering Silicon
Submitted on 30 Mar 2016
Author(s): Massoud Kaykhaii, Anubhav Diwan, Bhupinder Singh and Matthew R Linford
Affiliations: Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT
This poster was presented at Pittcon 2016
Poster Views: 909
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Poster Information
Abstract: We describe a new process for preparing porous solid phase microextraction (SPME) coatings by the sputtering of silicon onto silica fibers. The resulting nanostructures were silanized with octadecyl-dimethylmethoxysilane in the gas phase. The sputtered silicon thickness was either 1.0 or 2.0 μm. The extraction performances of SPME fibers were examined for mixtures of alcohols, aldehydes, amines, esters and polyaromatic hydrocarbons (PAHs). Results were compared to those from commercial 7 and 100 μm poly(dimethylsiloxane) fibers. Fibers could be used for at least 600 extractions without loss of performance.Summary: A new porous SPME coating is introduced by the sputtering of silicon onto silica fibers. Results were compared to those from commercial 7 and 100 μm poly(dimethylsiloxane) fibers. Fibers could be used for at least 600 extractions without loss of performance. References: A. Diwan, B. Singh, T. Roychowdhury, D. Yan, L. Tedone, P. N. Nesterenko, B. Paull, E. T. Sevy, R. A. Shellie, M. Kaykhaii and M. R. Linford, "Porous Solid Phase Microextraction (SPME) Fibers by Oblique Angle Deposition", Analytical Chemistry, February 2016, 88, 1593 – 1600Report abuse »
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