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Fig. 3 | Stem Cell Research & Therapy

Fig. 3

From: Tracking embryonic hematopoietic stem cells to the bone marrow: nanoparticle options to evaluate transplantation efficiency

Fig. 3

Hematopoietic progenitor cells uptake mesoporous silica nanoparticles at various stages of differentiation. a, c Wright stains: vast majority of cells are small with high ratio of nuclear to cytoplasmic volume, indicative of progenitor phenotype (red arrows), while few cells possess lower nuclear to cytoplasmic ratio and granular neutrophilic or eosinophilic cytoplasm (green arrows). b, d Fluorescent image of HPCs labeled with Gd2O3-FITC-MSNs (b) and Gd2O3-TRITC-MSNs (d), using protamine sulfate as supplement for labeling (n = 2). Scale bars = 10 μm

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