Single-Stranded DNA Aptamers against Pathogens and Toxins: Identification and Biosensing Applications

Figure 8

Illustration of examples of ssDNA MRE based mass sensitive biosensors. (a) A representation of a detectable change in resonance frequency upon target binding to immobilized MRE on quartz crystal microbalance. (b) Representation of a detectable nanometer scale bending upon target binding to immobilized MRE on micromechanical cantilever.

(a)

(b)