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Figure 5 | Particle and Fibre Toxicology

Figure 5

From: Cytokine release from alveolar macrophages exposed to ambient particulate matter: Heterogeneity in relation to size, city and season

Figure 5

The concentrations of selected inorganic components in the collected samples presented together with the PM-induced IL-6 from alveolar rat macrophages after exposure to 20 μg/ml of coarse (C) and fine (F) fractions collected in Oslo, Rome, Lodz and Amsterdam in spring (upper), summer (middle) and winter (lower) seasons. IL-6 is shown on the left ordinate, values are mean ± SEM (n = 3). The concentration of inorganics is shown on the right ordinate (μg/mg PM).

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