Figure 1.
Uptake by human keratinocyte cells of a) rhodamine B; b) OVA; and c) BSA; compared with those of d) LMWP-rhodamine B; e) LMWP-OVA; and f) LMWP-BSA conjugates. Protein cargos were labeled with FITC. (Scale bar = 100 μm)
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