date:Jul 05, 2012
The oxygen-sensitive luminescent dye cannot be seen by the human eye and can be incorporated into the packaging polymers for flexible film packages, rigid containers, glass bottles, caps and corks.
A hand-held scanner can be used from outside the package to optically interrogate the dye with the resulting luminescence indicating oxygen levels and the resulting quality of the product.
When the dye is stimulated bya UVlaser light it gives off a red emission, if the package had a breach andoxyg