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小丸丸9

铁虫 (正式写手)

[求助] 求助一句话翻译

The efficacy of doxycycline and ciprofloxacin against an experimental tularaemia infection
was assessed by comparing the median lethal dose (MLD) of Francisella tularensis Schu4
biotype A strain given intraperitoneally to antibiotic-treated and untreated mice. In untreated
Porton outbred mice this was <1 cfu. Ciprofloxacin and doxycycline given at 40 mg/kg bd,
initiated 48 h before infection and continued for 5 days after infection, afforded protection
against intraperitoneal challenges of 3.7 x 106 cfu and 6.0 x 106 cfu, respectively.


主要是最后一句话不大懂,intraperitoneal challenges of 3.7 x 106 cfu and 6.0 x 106 cfu。CFU又是什么单位呢?还有,bd应该是每日一次的意思吧,可是正文中作者写的明明是每日给药两次:The
antibiotics were given twice daily with a 12 h interval
between each dose.是不是作者写错了啊??
大家好
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ssssllllnnnn

至尊木虫 (知名作家)

Translator and Proofreader


【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
真强必胜: 金币+1, 谢谢 2014-12-05 08:41:01
小丸丸9: 金币+20, 翻译EPI+1, ★★★★★最佳答案, 谢谢 你 2014-12-05 12:31:32
Colony-forming unit(CFU):是计算细菌数量的一种方法,其值越高表示样品中所含的细菌越多。CFU只计算活的细菌。计算的方式是将一份样本均匀地涂布在培养皿上,等待菌落生成,再计算形成的菌落数目。

在研究造血干细胞等时,也有一相同的名字:Colony-forming unit(CFU),但中文称为集落生成单位,主要反应的是造血祖细胞的相对数量,以及造血祖细胞的增殖分化能力。

这里的bd是指每日两次,正规的说法是bid,如果每日一次为qd,每日三次为tid,等等。

最后一句话:
感染之前48小时给药,持续给药至感染后5天,给药剂量为每日两次,每次40 mg/kg体重,以保护对抗腹腔注射的细菌,细菌数量分别为3.7 x 106 cfu and 6.0 x 106 cfu。
3楼2014-12-04 22:15:53
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LifePursuit

木虫之王 (文学泰斗)

【答案】应助回帖

cfu,colony forming unit,菌落形成单位,生物医药文献中最常见的单位之一
2楼2014-12-04 14:47:32
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