10.1371/journal.pone.0226311.g003 Oliver H. Bell Oliver H. Bell Ester Carreño Ester Carreño Emily L. Williams Emily L. Williams Jiahui Wu Jiahui Wu David A. Copland David A. Copland Monalisa Bora Monalisa Bora Lina Kobayter Lina Kobayter Marcus Fruttiger Marcus Fruttiger Dawn A. Sim Dawn A. Sim Richard W. J. Lee Richard W. J. Lee Andrew D. Dick Andrew D. Dick Colin J. Chu Colin J. Chu Cell-sized hyperfluorescent near-infrared signals appearing in regions with no prior autofluorescence or RPE signal change during the study. Public Library of Science 2020 ICG administration cell activation markers blood myeloid cells retina cell labelling 488 nm autofluorescence RPE macrophage cultures 2020-02-13 21:10:38 Figure https://plos.figshare.com/articles/figure/Cell-sized_hyperfluorescent_near-infrared_signals_appearing_in_regions_with_no_prior_autofluorescence_or_RPE_signal_change_during_the_study_/11852445 <p>Retinal ICG fluorescence 790 nm excitation channel images are shown alongside matched 488 nm excitation autofluorescence images. Subject 3 had detectable ICG cell staining in peripheral blood. By size and location these could represent weakly ICG labelled cells infiltrating the retina, rather than arising from RPE staining alone. LE = left eye, RE = right eye. Scale bars = 200 μm.</p>