Fig. 6. In vivo release of safranine T from the composites of HP-G in the presence and absence of Y2 (a). The fluorescence of safranine T is “ON” in the absence of HP-G composites (left), “OFF” in the presence of HP-G composites (bottom, right), and “ON” again in the presence of both HP-G and Y2 after the procedure of fluorescence recovery (up, right). Similarly, after treatment with Y3 (b) and Y1 (c) by using the HP-G/safranine T probe, the fluorescence was still “OFF”, indicating no recovery (top, right). Reproduced from ref. 24 with permission from The Royal Society of Chemistry, Copyright 2016.
