Combined optical trapping and single-molecule fluorescence.  Lang, M.J.,  Fordyce, P.M. , & Block, S.M.  Journal of Biology  (2003).  ( pdf ) ( web )
  Stepping and stretching: how kinesis uses external strain to step processively.  Rosenfeld, S.S.,  Fordyce, P.M. , Jefferson, G.M., King, P.H., & Block, S.M.  Journal of Biological Chemistry  (2003).  ( pdf ) ( web )

Combined optical trapping and single-molecule fluorescence. Lang, M.J., Fordyce, P.M., & Block, S.M. Journal of Biology (2003).

(pdf) (web)

Stepping and stretching: how kinesis uses external strain to step processively. Rosenfeld, S.S., Fordyce, P.M., Jefferson, G.M., King, P.H., & Block, S.M. Journal of Biological Chemistry (2003).

(pdf) (web)