Figure 3From: Engineering of near infrared fluorescent proteinoid-poly(L-lactic acid) particles for in vivo colon cancer detection Photostability of the ICG-containing P(EF-PLLA) particles (A) and free ICG (B) as function of time. Samples of ICG-containing P(EF-PLLA) particles and free ICG were illuminated with a Xenon flash lamp for 20 min as described in the Materials and methods section.Back to article page