Biosensors come in many forms and have wide spread applications in many areas, such as food analysis and blood glucose monitoring. This experiment focuses on alkanethiol self-assembled monolayers (SAMs) that act as size exclusion biosensors.  In this experiment, two types of alkanethiols with different lengths and different ending groups were adsorbed on gold substrates. The main goal is to create channels with different size and properties.  To test the system we used 100 nm polystyrene nanoparticles that simulated the hydrophobic properties of biological substrates. Atomic Force Microscopy was used to examine the surfaces of the alkanethiol biosensors and the adhesion of the polystyrene nanoparticles.

Size exclusion self-assembled monolayers biosensor

245th National Meeting (2013)

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