ABSTRACT
Biosensor .......................................................................... 268 10.3 Mass-Sensitive Aptasensors ..................................................................... 269
10.3.1 QCM-Based Biosensors ................................................................. 270 10.3.2 Love-Wave Biosensors ................................................................... 271 10.3.3 Cantilever-Based Biosensors ........................................................ 271
10.4 Electrochemical Aptasensors ................................................................... 272 10.4.1 Covalent Labels .............................................................................. 272
10.4.1.1 Enzyme Labels ................................................................ 272 10.4.1.2 Methylene Blue ................................................................ 273 10.4.1.3 Ferrocene .......................................................................... 274 10.4.1.4 Anthraquinone ................................................................ 276 10.4.1.5 Metal Nanoparticles ....................................................... 276
10.4.2 Non-Covalent Labels .....................................................................277 10.4.2.1 Intercalated Redox Species ............................................277 10.4.2.2 Cationic Redox Species ................................................... 278
10.5 Aptamer Label-Free Detection ................................................................. 278 10.5.1 Use of Labeled Aptamer-Complementary DNA Strand .......... 279 10.5.2 Label-Free Aptasensors .................................................................280
