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Isolated hepatocytes, and the serum arm shows the effect disappears when serum is added back.\nexposure: S- or R-ibuprofen incubated with hepatocytes, with and without serum, and with triacsin C\nevidence_span: {\"source_cache\": \"artifacts/ibuprofen-research/18988084.abstract.txt\", \"locator\": \"Indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"49f5377220f47f04a74dc5e1cd5408a0b175eafbf602e536e57d80a9e8eb1f3a\", \"start_char\": 0, \"end_char\": 1381, \"text_sha256\": \"49f5377220f47f04a74dc5e1cd5408a0b175eafbf602e536e57d80a9e8eb1f3a\"}\n[ibu-p18988084] Impaired intrinsic chiral inversion activity of ibuprofen in rats with adjuvant-induced arthritis. 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