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Fluorescent Monitoring of Microcapsule Oxidation

Abstract: 

The present disclosure relates to microcapsules that include a shell material and a core material. The core material of the microcapsules contains an environmentally sensitive luminescent colorant which exhibits characteristics of an emitted wavelength bandwidth, a peak intensity for emission and a time for luminescence decay, one or more of the characteristics capable of changing upon exposure to a given environment, and a luminescent standard which exhibits characteristics of an emitted wavelength bandwidth, a peak intensity for emission and a time for luminescence decay, one or more of the characteristics do not change upon exposure to said given environment.

Patent Number: 
8,581,209
Date Of Issue: 
11/12/2013
Inventors: 

James D. Oxley; Jenny J. Finbiner; Nitin Nitin