硫代巴比妥酸具有抗菌活性。

Polymyxin B nonapeptide, a cationic cyclic peptide derived by enzymatic processing from the naturally occurring peptide polymyxin B, is able to increase the permeability of the outer membrane of Gram-negative bacteria toward hydrophobic antibiotics probably by binding to the bacterial lipopolysaccharide (LPS)

头孢噻脒对细菌表现出广泛的抗菌活性。头孢噻脒用于治疗呼吸道、肝脏、五种感觉、尿路感染、心内膜炎和败血症。