Actives need to cross biological membrane barriers to reach their receptor. We characterize the "apparent permeability" of your formulation in different model membranes. Excipients may help to increase the resorption of drugs, e.g. by inhibiting active efflux mechanisms.
PK-ADME-Characterization of different routes of administration:
Gastrointestinal, dermal, ocular, nasal, pulmonal, blood brain barrier