Carbon Material Hybrid Construction on an Aptasensor for Monitoring Surgical Tumors

Figure 2

(a) FETEM image of graphene. (b) FESEM image of graphene. Images show a clear shaped flake with a uniform distribution. (c) EDX for graphene. The EDX result confirms that the major elements in graphene are carbon (74.97%) and O (15.33%).

(a)

(b)

(c)