The cell wall can be destructed badly by zwitterionic porphyrin, when it was observed by AFM (Atomic Force Microscope).

• 同时我们还利用原子力显微镜(Atomic Force Microscope，AFM)观察到带有正负电荷的卟啉(16)对细胞壁的破坏作用明显强于只带负电荷的卟啉。