whatman 抗生素分析检测纸Grade AA DISCS，通过测定抑菌圈的方法，用于体外检测传染病病源类型及该病源对抗生素、化学药物的敏感性。抗生素常用于理疗和选择性化疗。测试纸涂上化学药物，放置在琼脂滤膜上，培养，抑菌圈的直径来表示化学物质的药效。

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