Analytical Currents: Tracking single virus particles on membrane bilayers | Tomographic phase microscopy | Pushing (and pulling) the cellular envelope | Electric field mapping in live cells with a nanosized voltmeter | Array of conjugated polymers detects proteins | Cell-based device detects oral-cancer biomarker | Patterning proteins at the nanoscale | Microbeads of many colors | 2007 DAC undergraduate awardees