AIA Reagent Technology - Unit Dose Test Cups

One Reagent for All Tosoh AIA Systems

At the heart of Tosoh’s every Automated Immunoassay Analyzer (AIA), is the patented Unit Dose Test Cup (UDTC) reagent system, where freeze dried reagents are present in unitized test cups. UDTC’s are self contained disposable plastic cups containing pre-defined quantities of magnetic nanobeads coated with analyte specific capture antigen/antibody and enzyme labeled secondary antibody/antigen respectively.

Each individual cup is sealed with a foil which increases the reagent stability and calibration stability. Individual packaging prevents reagent wastage and reagent contamination.


  • Single, unitized test cups require no pre-mixing, no pre-measuring, no on-board refrigeration and hence there is no wastage
  • Dry reagent format ensures 90 days calibration stability for most assays
  • Bar-code for easy test identification and inventory management
  • Enhance reaction kinetics provide a faster turnaround time due to a 10 minute incubation protocol for most assays
  • Higher reagent stability and better shelf-life
  • Unit Dose Test Cup’s are standardized for Tosoh's all automated immunoassay analyzers such as AIA-360, AIA-900 and AIA-2000
  • Transition between systems is seamless, ensuring consistent results and efficient operations