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北京石油化工学院2026年研究生招生接收调剂公告
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xuezhaoteng

金虫 (正式写手)

[求助] 审稿意见回来,有几个问题看不懂,请虫虫帮忙给点建议

1、The detection limits of both assays were determined by the 3s-method and found to be 10 fM. However, it is not stated if this analysis was done using (ligase) buffer or a real biological sample matrix like e.g. cell culture medium (that might / should be a “real world matrix”) for sample dilution. As described on page 3 (5), line 25 and shown in Fig. 3B, cell culture fluid was (had to be) diluted 1:5 with ligase buffer, corrupting the found limits of detection by, at least, a factor of 5 for real world samples.
2、Determination of the limit of detection (LOD) but also the lower limit of quantification (LLOQ)! should be performed using standards of ATP prepared in full cell culture fluid, only subsequently diluted in ligase buffer for final analysis.
3、Furthermore, since the LODs found by the 3s-method might be based on a “lucky” experiments using buffer?!-blanks only, dilution series should be run down to stated concentrations to demonstrate real significant differences between blank values (based on cell culture fluid) and the stated LOD (cp. Figure S8).
尤其是第二和第三个问题,不懂这人在说啥意思?跪求虫虫帮忙分析下。
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greeneese

铁杆木虫 (正式写手)

【答案】应助回帖

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感谢参与,应助指数 +1
秋天白云: 金币+1, 感谢交流~! 2013-01-21 08:51:14
xuezhaoteng: 金币+5 2013-01-28 20:56:55
问题1  是说,你报告的检测限没说明白是在什么介质中测得的,是在连接酶缓冲液中还是在真实生物样品基质中?
问题2  是说,他认为测定检测限的时候,应该在细胞培养液中溶解标准ATP样品测定,只是在最后的测定中可以用连接酶缓冲液稀释。
问题3 是说,测定检测限的时候应该将样品的浓度稀释到你声称的检测限浓度,测定其响应,与在细胞培养液介质中测定的空白值比较,以证实你说的检测限下的响应与空白响应确实有显著的区别。
2楼2013-01-21 00:58:24
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liujunhero

新虫 (文学泰斗)

文献杰出贡献文献杰出贡献

【答案】应助回帖

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感谢参与,应助指数 +1
xuezhaoteng: 金币+2 2013-01-28 20:57:08
你的最低检测限的测定方法是存在问题的
3楼2013-01-21 09:46:59
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