Methods:The immunogen,ofloxacin-BSA, was synthesized by carbodimide method; the coating antigen for ELISA,ofloxacin-OVA, was synthesized by isobutylchloroformate method.

• 方法:采用碳二亚胺法将氧氟沙星与牛血清白蛋白偶联合成完全抗原,采用混合酸酐法将氧氟沙星与卵清蛋白偶联合成应用于ELISA检测的包被抗原。