The experts established a provisional tolerable monthly intake ( PTMI ) of70 picogram / kg per month. 专家确定了暂定每月容许摄入量(PTMI)是70微微克/公斤。
In the ELISA test, the expression of antibody part is not high, but the expression of interferon has been reached nanogram ( 10-9g ) level, the maximum reached 9ng / ml, the concentration of the general role of interferon only picogram ( 10-12g ) level. 经ELISA检测,抗体部分的表达量不高,但干扰素的表达却已经达到了纳克(10-9g)级,最高已达9ng/ml,而一般干扰素的作用浓度只需皮克(10-12g)级。
Detection of picogram SRY gene in mixed sample by capillary electrophoresis 混合样品中微量SRY基因的毛细管电泳检测
Objective To develop a high sensitivity and reproducible method for rapid DNA analysis even when using picogram sample in a complex background. 目的建立一种灵敏度高、重现性好的检测混合样品中微量目的基因的方法。
Analysis on the Isotopic Ratio of Picogram Pu by TIMS 皮克量级钚同位素丰度比的TIMS分析