2. Tergazyme (Enzyme-Active Powdered Detergent):(1) Make a fresh 1% Tergazyme solution in ddH2O.(2) Add 1% Tergazyme solution to the cuvette and incubate at RT or 50 degree for 1 hour (do not exceed 55 degree).(3) Remove the solution and wash by ddH2O.(4) Use methanol/ethanol/acetone to rinse the cuvette and air dry.