Antigens, CD95 2 Apoptosis 2 Article 2 FAS protein, human 2 Fas antibody 2 Fas antigen 2 Fas ligand 2 Fas receptor 2 Fluorescence correlation spectroscopy 2 Functionalized surface 2 HEK293 Cells 2 HEK293 cell line 2 Humans 2 Lipid Bilayers 2 Membrane Fluidity 2 Movement 2 Supported lipid bilayer 2 agonist mobility 2 agonists 2 apoptosis 2 concentration (parameters) 2 controlled study 2 correlational study 2 fluorescence correlation spectroscopy 2 human 2 human cell 2 lipid bilayer 2 lipid composition 2 membrane fluidity 2 metabolism 2