A Porous Silicon-Based Optical Interferometric Biosensor Lin, Victor S. -Y. ; Motesharei, Kianoush ; Dancil, Keiki-Pua S. ; Sailor, Michael J. ; Reza Ghadiri, M. Abstract Publication: Science Pub Date: October 1997 DOI: 10.1126/science.278.5339.840 Bibcode: 1997Sci...278..840L