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Bright field, DSU RFP, and merged pictures of the mixture of 10 µL 2.5% Rhodamine B loaded nanoparticles made by Alginate surfactant, Matrigel, and organoids using a confocal fluorescent microscope (1:4 V/V Nanoparticle: Matrigel suspension). The experiment was performed for six days after the passage. Red areas are the indicators of the Rhodamine B loaded inside the PLGA nanoparticles. The magnification is 10×. Scale bars represent 200 µm.
