1.Objective To develop a high sensitivity and reproducible method for rapid DNA analysis even when using picogram sample in a complex background.
目的建立一种灵度、重现性好的检测混合样品中微量目的基因的方法。
2.Kelvin bridge has the virtues of high sensitivity, precision reading and convenience to use.It is effective tools to measure the electrical resistivity and magnetoresistivity.