An introduction to classic & modern approaches of chemical analysis of biological systems. Detection of analytes ranging from small molecules & proteins, to cells, to structured materials. Focus on immunoassays: ELISA, bead-based assays, & surface plasmon resonance for analytes in solution; ELISpot for cell secretions; flow cytometry for cells and beads; & immunostaining for biomaterials and tissue samples.  Suggested prerequisites:  Undergraduate biochemistry, or permission of instructor.