In a second series , cytosolic Ca2+ activity ( Fluo3 fluorescence ) , cell volume ( forward scatter ) , and PS-exposure ( annexin V binding ) were determined by FACS analysis in erythrocytes from healthy volunteers .
O O O O O O B-ChemicalEntity O O B-ChemicalEntity O O O O O O O O O O O B-ChemicalEntity O B-GeneOrGeneProduct I-GeneOrGeneProduct O O O O O O O O O O O O O