Simultaneous, coincident optical trapping and single-molecule fluorescence.  Lang, M.J.*,  Fordyce, P.M.* , Engh, A.M., Neuman, K.C., & Block, S.M.  Nature Methods  (2004). (* denotes equal authorship).  ( pdf ) ( web )

Simultaneous, coincident optical trapping and single-molecule fluorescence. Lang, M.J.*, Fordyce, P.M.*, Engh, A.M., Neuman, K.C., & Block, S.M. Nature Methods (2004). (* denotes equal authorship).

(pdf) (web)