Park S C, Yun H I, Oh T K
Applied Microbiology Laboratory, Korea Research Institute of Bioscience and Biotechnology, Yusong, Taejon, Republic of Korea.
J Vet Med Sci. 1996 Oct;58(10):1039-40. doi: 10.1292/jvms.58.10_1039.
The pharmacokinetics of norfloxacin-glycine acetate (NFXGA), a newly formulated norfloxacin, was investigated in healthy flounders at two different seawater temperature (at 12 degrees C and 20 degrees C) varying concentrations (100 ppm and 10 ppm), using dipping administration. It was shown that the elimination half-life (T1/2) of norfloxacin at 20 degrees C (10 ppm: 13.95 +/- 1.18 hr, 100 ppm: 11.71 +/- 1.32 hr) was significantly shorter than that at 12 degrees C (10 ppm: 16.61 +/- 1.47 hr, 100 ppm: 16.32 +/- 1.19 hr) in flounders. Mean residence time (MRT) was calculated at 12 degrees C (10 ppm: 194.87 +/- 29.88 hr, 100 ppm: 1,222.37 +/- 161.45 hr) and 20 degrees C (10 ppm: 168.42 +/- 25.85, 100 ppm: 606.14 +/- 122.75 hr). Meanwhile, in the flounder tissue distribution of norfloxacin. It was shown that serum, muscle, kidney, and liver exhibited different elimination half-lives of norfloxacin.
采用浸浴给药方式,在两种不同海水温度(12℃和20℃)、两种不同浓度(100 ppm和10 ppm)条件下,对健康牙鲆新配方诺氟沙星-甘氨酸乙酸盐(NFXGA)的药代动力学进行了研究。结果表明,牙鲆在20℃时诺氟沙星的消除半衰期(T1/2)(10 ppm:13.95±1.18小时,100 ppm:11.71±1.32小时)明显短于12℃时(10 ppm:16.61±1.47小时,100 ppm:16.32±1.19小时)。在12℃(10 ppm:194.87±29.88小时,100 ppm:1222.37±161.45小时)和20℃(10 ppm:168.42±25.85,100 ppm:606.14±122.75小时)条件下计算了平均滞留时间(MRT)。同时,研究了牙鲆组织中诺氟沙星的分布情况。结果表明,血清、肌肉、肾脏和肝脏中诺氟沙星的消除半衰期各不相同。