A security laminate for authenticating an article and a method for authenticating articles is disclosed. The invention also relates to compositions containing such particles with the aim of delivering an active principle. Access to the secure information andor the chip may be disabled when the errors are detected. Abutting engagement means, extending away from base plate, abuttingly engages upright sleeve and base plate when second assembly is in a resting position where wedge assembly is slightly spaced apart from base plate. More particularly, the invention relates to a device having a gradient of water soluble therapeutic agents within a therapeutic agent layer and a mixing layer that allows for controlled release of the therapeutic agents.