Fig. 2From: Amperometric Biosensor of Matrix Metalloproteinase-7 Enhanced by Pd-Functionalized Carbon NanocompositesTEM micrographs of carbon nanosphere (a), Pd-carbon nanospheres (b) and Pd-CNCs (c) EDS of carbon nanosphere (d), Pd-carbon nanospheres (e) and Pd-CNCs (f)Back to article page