Their diameters were 72.1,400 and 500 nm respectively,as measured by DLS,AFM and SEM.

 
  • 用動(dòng)態(tài)光散射(DLS)、原子力顯微鏡(AFM)、掃描電鏡(SEM)測得其平均粒徑分別為72.;1、400及500 nm。
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