Protein Binding/ Recognition: Surface Plasmon Resonance (SPR) Rotariu Dumitru Lucian (lucian.rotariu@g.unibuc.ro)Jaroslav Katrlík (katrlik@yahoo.com)Franck Fieschi (franck.fieschi@ibs.fr) Anne Imberty (Anne.mberty@cermav.cnrs.fr) Camelia BALA (camelia.bala@chimie.unibuc.ro)