Original ResearchPublished 18 August 2026Engineering a medical device for intranasal immunisation: ensuring targeted delivery and formulation stabilityGonçalo Farias · Arnaud Bude · Nektaria Karavas · Christelle Rossignol · Isabelle Lantier · Julie Suman · Nicolas Aubrey · Isabelle Dimier-Poisson · Mathieu EpardaudFrontiers in Drug Deliverydoi 10.3389/fddev.2026.1875011