TY - JOUR AU - Thomas Perkins BT - Laser & Photonics Review DA - 2009-02 DO - 10.1002/lpor.200810014 PY - 2009 SP - 203 EP - 220 T2 - Laser & Photonics Review TI - Optical traps for single molecule biophysics: a primer VL - 3 SN - 18638880 ER -