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. Author manuscript; available in PMC: 2021 May 1.
Published in final edited form as: Nat Protoc. 2020 Apr 20;15(5):1800–1828. doi: 10.1038/s41596-020-0311-y

FIGURE 1.

FIGURE 1

Photograph of different passive samplers (from left to right): (1) 10 μm PDMS-coated SPME fiber, (2) 30 μm PDMS-coated SPME fiber, (3) 30 μm PDMS-coated SPME fiber with a 500 μm core, (4) 100 μm PDMS-coated SPME fiber, (4) 30 μm Polyacrylate-coated SPME fiber, (6) 25 μm thick PE, (6) 51 μm thick PE, (6) 77 μm thick POM, (6) 100 μm thick PDMS. All samplers are 4 cm in length.