1X10^6 human peripheral blood platelets were surface stained with 0.25 ug Anti-Human CD9 (65070-1-Ig, Clone: MM2/57) and CoraLite®488-Conjugated AffiniPure Goat Anti-Mouse IgG(H+L) at dilution 1:1000 (green), or stained with 0.25 ug mouse IgG2b isotype control and CoraLite®488-Conjugated AffiniPure Goat Anti-Mouse IgG(H+L) at dilution 1:1000 (black). Cells were not fixed.