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. Author manuscript; available in PMC: 2014 Aug 26.
Published in final edited form as: Adv Healthc Mater. 2013 Nov 20;3(6):891–896. doi: 10.1002/adhm.201300483

Figure 5. A copper-doped, non-oxygen-responsive companion hydrogel for ratiometric imaging.

Figure 5

a) Freebase mTCPP could be titrated with non-luminescent Cu-mTCPP to tune overall hydrogel luminescence. b) Luminescence imaging of Pd-mTCPP and freebase-Cu-mTCPP hydrogels in varying oxygen conditions.