Research Article

Rapid Analysis of Seven Polyamines in Nephotettix cincticeps by Using Ultra-Performance Liquid Chromatography-Triple Quadrupole Mass Spectrometry

Figure 1

MRM chromatogram of Spm under different percentages of solvent B in the third step of the gradient elution program. (A) 90% solvent B, (B) 80% solvent B, (C) 70% solvent B, (D) 60% solvent B, (E) 50% solvent B, (1) Agm, (2) Cad, (3) Dap, (4) Put, (5) Dad, (6) Spd, (7) Spm.