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Fig. 3 | Nano Convergence

Fig. 3

From: Bolstering the secretion and bioactivities of umbilical cord MSC-derived extracellular vesicles with 3D culture and priming in chemically defined media

Fig. 3

Internal and external characteristics of EVs. a The FTIR spectra of EVs in the range of 900–4000 cm−1 wavelength to distinguish the surface compositions of EVs. b The 3D PCA score plot to classify EVs from FTIR analysis. c The representative images of cytokine array membranes of 2D CDM EV, 3D CDM EV, and TI3D CDM EV. d The comparison of expression levels for representative cytokines. e The scatter plot of three different EVs by the results of cytokine arrays

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