Atomic force microscope was used to observe the surface topography with different ssDNA concentration.

利用原子力显微镜观察不同浓度的DNA吸附在金膜上的表面形貌。

With the ssDNA as probe on the electrode surface, we can detect the frequency change and show it on the computer display.

将单链DNA作为探针点在电极表面， 测量晶振频率的改变量，并设计出后续处理电路。

As an important and necessary role in electrochemical DNA biosensors, the immobilization of ssDNA on electrode is of great significance.

作为DNA电化学生物传感器中不可或缺的重要环节，单链DNA在电极上的固定化研究具有十分重要的意义。

This efficient method is suitable for DNA sequence analysis, for the preparation of ssDNA probes, and potentially useful in studies of genomic structural organization.

此法不仅适用于疾病研究中的DNA测序，还可制各单链DNA探针，更利于基因结构组成的研究。

We have systematically studied the relations between the probe labelling effects and conditions, and found that it not only can label dsDNA, ssDNA, but also RNA and oligonucleotide.

本实验对生物素化补骨脂素标记核酸的条件和效果进行了研究，发现该试剂不仅能标记双链dna、单链dna，更重要的是可以直接标记RNA及寡核苷酸。