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Abstract
Carbon Nanotubes (CNTs) with polymers are promising new sensing materials for biosensors, which have the characteristics of low weight of extraordinary mechanical, electrical, thermal, and multifunctional properties. The size scale, aspect ratio, and properties of CNTs provide advantages in a variety of sensor applications. The various processing methods for these nanocomposites are discussed in particular, CNT synthesis, purification of CNTs, pretreatment and functionalization of CNTs, different dispersion methods, and electropolymerization of the monomers. The advantages of these composite modified electrodes toward biosensors have also been presented in detail. Some key results from each article are summarized by relating the concept and mechanism behind each sensor, experimental conditions, and the behavior of the sensors at different conditions, etc.