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Representative Western blots for redox-sensitive proteins and 3-nitrotyrosine formation. Representative blots for GCLC, GCLM, HMOX1, and 3-nitrotyrosine. The 3-nitrotyrosine film was exposed for 1 h to increase signal sensitivity. Abbreviations: 3-NT, 3-nitrotyrosine; MWCNT, multiwalled carbon nanotube; Neg., negative control (untreated lung homogenate); Pos., positive control (peroxynitrite-treated lung homogenate).
