| abstract |
One or more mono- or diglycerides according to formula I: wherein R1, R2, and R3 are selected from the group consisting of from C6 to C26 fatty acids, PEG polymers and hydrogen, provided that at least one of R1, R2 and R3 is a C6-C26 fatty acid residue and at least one of R1, R2 and R3 is a PEG polymer residue for use as a bioadhesive agent for medical purposes. The agent may be used in the delivery of e.g. protein, peptides or antigens over mucosal membranes. |