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. Author manuscript; available in PMC: 2014 Jan 15.
Published in final edited form as: Environ Sci Technol. 2012 Dec 21;47(2):932–940. doi: 10.1021/es304662w

Figure 5.

Figure 5

Comparison of PM oxidative activity (DTT consumption rate, pmol min−1 Dg−1) between the traditional DTT assay and paper based DTT assay. Data represent aqueous extracts of 13 different aerosol samples.