Featured article: Kim S, Lim YT, Soltesz EG, De Grand AM, Lee J, Nakayama A, Parker JA, Mihaljevic T, Laurence RG, Dor DM, Cohn LH, Bawendi MG, Frangioni JV. Near-infrared fluorescent type II quantum dots for sentinel lymph node mapping. Nat Biotechnol 2004;22:93–7. Near-infrared (NIR) (700 –2500 nm) in vivo imaging with semiconductor quantum dots (QDs) can offer nonradioactive extraction of me...