negative control meaning in English
反向力操纵
负调控：由终止或关闭转录的因子介导的调控。
消极性管制
遗传工程负控制
Examples
- The repressor is essentially a negative control mechanism .
阻遏物基本上是一种负控制机制。 - Spleen cells from negative control mice did not proliferate upon restimulation
3和3刁，而生理盐水对照组增汛不显著。 - Note : “ + ” denotes bacterial growth and “ - ” denotes no bacterial growth . the positive control had bacterial growth and the negative control had no bacterial growth
注： “ + ”表示有菌生长， “ - ”表示无菌生长。阳性对照有细菌生长，阴性对照无菌生长。 - Histopathological examination revealed that most of the ulcer were re - epithelialization in the large and moderate doses groups , but in negative control group , most of the ulcer were not healed at the 14th day after operation
结果：在伤后14天内，复方壳聚糖膜剂外贴可使溃疡面积和容积缩小的速度及表皮完全覆盖率均高于空白对照组。 - It is efficient for flow cytometric analysis when fresh platelet riched plasma ( fprp ) was set as negative control , thrombin actived fprp and liquid nitrogen treated fprp were set as positive control respectivelv
除了fcm常用的同型对照外，文中还将fpr 、凝血酶激活fprp和液氮处理fprp作为血小板标准阴性、阳性对照，直接应用于fcm分析，且效果良好。