Fig. 4From: Edible exosome-like nanoparticles from portulaca oleracea L mitigate DSS-induced colitis via facilitating double-positive CD4+CD8+T cells expansionIn vivo distribution of PELNs. Fluorescence images of the gastrointestinal tract revealing in vivo bio-distribution of orally administered IRDye 800CW-labeled PELNs at different time points (3, 6, 12, and 24Â h) in acute colitis mice (a) and health mice (b)Back to article page