Inventions Roundtable attendees during breakfast. William Olbricht, Professor of Chemical & Biomolecular Engineering, presents his microfabricated catheter for drug delivery.. Margaret Bynoe, Assistant Professor of Microbiology & Immunology, shares her method of modulating BBB permeability. Linda Nicholson, Professor of Molecular Biology & Genetics, presents her novel approach to treat Alzheimer's Disease.