Fig. 1From: F. prausnitzii-derived extracellular vesicles attenuate experimental colitis by regulating intestinal homeostasis in miceIdentification and characterization of Fp-EVs. (A) TEM images of Fp-EVs. Scale bars represent 200Â nm. (B) Size distribution analysis of Fp-EVs by NTA. TEM: transmission electron microscopy; NTA: nanoparticle tracking analysisBack to article page