Fig. 1From: Determination of N-acylhomoserine lactones of Pseudomonas aeruginosa in clinical samples from dogs with otitis externaLC-MS/MS chromatogram of C4-HSL (N-butanoyl-L-homoserine lactone) standard solution with the concentration of 19.7 ng/ml. Transitions 172.096 > 101.98 and 172.096 > 144.073 are shown. The x-axis represents retention time (min) and y-axis the relative intensity of signal (relative to the highest peak in chromatogram, %)Back to article page