The Effect of Porphyromonas gingivalis Lipopolysaccharide on the Pyroptosis of Gingival Fibroblasts.

Periodontitis is a chronic inflammatory disease induced by Porphyromonas gingivalis (P. gingivalis) and other pathogens. P.

[Determination of nineteen organonitrogen pesticides in Paeoniae Radix Alba by capillary electrophoresis-mass spectrometry].

Objective: To establish a capillary electrophoresis-mass spectrometry(CE-MS) method for the analysis of nineteen organonitrogen pesticides in Paeoniae Radix Alba.

Methods: CE-MS analysis was performed on a 70 cm X 50 μm fused-silica capillary. The optimal buffer was composed of 1 % formic acid and 15 % methanol(V/V, pH 2.