通過測定抑菌圈的方法，用于體外檢測傳染病病源類型及該病源對抗生素、化學藥物的敏感性。抗生素常用于理療和選擇性化療。測試紙涂上化學藥物，放置在瓊脂培養基上，培養，抑菌圈的直徑來表示化學物質的藥效。直徑6mm,1000/pk

Whatman™ Antibiotic Assay Discs filter circles are ideal for determining the type of causal agent of infectious diseases and for checking their sensitivity to antibiotics and chemotherapeutic agents in vitro by means of the inhibition zone determination method. The antibiogram allows rational and selective chemotherapy. The test discs can be coated with chemotherapeutic agents, placed on the innoculated nutrient agar and incubated. The size of the inhibition zone is a measure for the effectiveness of the substances. Diameter: 0.6cm, 1000/Pack