精華區beta NTU_CK_CM 關於我們 聯絡資訊
註:+號表有觀察到CPE,-號表無 資料整理如下: Dilution No.of cultures Cumulative Cumulative no. Calculated of virus showing CPE/no. no. infected not infected infectivity inoculated Ratio Percent 10 8/8 44 0 44/44 100 10 8/8 36 0 36/36 100 10 7/8 28 1 28/29 96 10 8/8 21 1 21/22 95 10 6/8 13 3 13/16 81 10 3/8 7 8 7/15 46 10 1/8 4 15 4/19 21 10 1/8 3 22 3/25 12 10 1/8 2 29 2/31 6 10 1/8 1 36 1/37 2 取10 ,10 之資料代入式子: infectivity above 50% - 50% 81-50 --------------------------------------------- = -------- = 0.885 infectivity above 50% - infectivity below 50% 81-46 故其TCID 為 10 /0.1ml 而其力價(Virus Titer)等於 10 TCID -- ※ 發信站: 批踢踢實業坊(ptt.twbbs.org) ◆ From: ccsun71.cc.ntu.edu.tw