Carbon Nanotube-Based Electrochemical Sensors: Principles and Applications in Biomedical Systems
Figure 7
SEM images of as-received MWNTs (a) and CR-functionalized MWNTs (b) [136]. [Reprinted with permission from Hu et al. [136], Electrochem. Commun. , 9, 128 (2004). Copyright 2007, Elsevier Science.]
