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Particle growth factor (GF, DP/DP*) for IOP seed particles exposed to different organic vapors. (A) On exposure to dimethylamine, meso-erythritol, and dimethylamine + meso-erythritol, respectively. (B) On exposure to dimethylamine, glyoxal, and dimethylamine + glyoxal, respectively. The uncertainty bars represent two SDs of all measurements (2σ).
