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Figure 4. Inhibition of CE and PCE catalyzed biodegradation for cured composite resin samples by PMSF, following 16 days’ incubation (pH 7.0 at 37°C). (A) Inhibition of methacrylic acid production. (B) Inhibition of bisHPPP production. PMSF concentration for CE was 0.1 mM and for PCE was 0.05 mM. All data are reported as mean ± standard error. N = 3. Standard deviations for MA-analyzed product range from 5.9 to 8.3%, and for bisHPPP products from 4.0 to 11.8%.
