Fig. 5From: Microvesicle-camouflaged biomimetic nanoparticles encapsulating a metal-organic framework for targeted rheumatoid arthritis therapyConcentration of methotrexate (MTX) in the tissues of rats with collagen-induced arthritis after tail vein injection of different formulations. Data are shown as mean ± SD (n = 3). FPD: 1,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-[folate (polyethylene glycol)-2000; MV: microvesicle; ZIF-8: zeolitic imidazolate framework-8Back to article page