Changes

The detection method uses a large complex with a gold nanoparticle at the centre and vancomyocin and biotin on the outside, which have a bright red colour. When vancomyocin is present, this large complex is displaced from its original position on an vancomyocin antibody and binds to a line of streptavidin. This change in colour intensity signals the amount of vancomyocin in the serum

== Physical Transduction ==

The reader is the mobile phone with the app, where the concentration is measured and saved