| prov:value
| - These particles preferably contain a cosmetic or pharmaceutical active principle, or a substance of agrifood value, or a protein endowed with biological activity such as an enzyme, a hormone, an antibody or hemoglobin, or insoluble particles such as active charcoal particles, or a foam of air bubbles, or an aqueous or hydrophobic liquid phase, or a vaccine, or living animal or plant cells, tissues
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