To solve that, Ling and Hongbo Peng, the lead author who performed the work as a graduate student at Brown and who now works at IBM, attached the DNA strand to a bead using a streptavidin-biotin bond.

• 为了解决这个,玲和现在IBM就职的洪波鹏,该实验负责作者在布朗研究生时期使用链霉菌抗生物素缧将DNA链附到铁珠。