biostudies-literatureUnknown37Zhu YMaterials today. Biohttps://www.ebi.ac.uk/biostudies/studies/S-EPMC12936684biostudies-literatureCharge/stiffness-tunable nano-microsphere overcomes intestinal mucosal barrier for rheumatoid arthritis treatmentPMC12936684Li GYang XShen JWang QZhu YZhang YWang DShi ZWang LfalseCharge/stiffness-tunable nano-microsphere overcomes intestinal mucosal barrier for rheumatoid arthritis treatment2026-01-01T00:00:00Z2026 Feb2026-07-16T22:09:49.337Z2026-07-11T03:11:58.26ZS-EPMC12936684