| Parameter | What it measures | Best use case | | :--- | :--- | :--- | | | Total cell size (Area) | Discriminating doublets, cell sorting | | FSC-H | Peak cell size (Height) | Measuring brightness of uniform cells | | FSC-W | Pulse length (Width) | Alternative doublet discrimination |
: While "FSC-H" measures the maximum height (peak) of the light signal, FSC-A (Area) measures the total integrated area under that signal peak. | Parameter | What it measures | Best
Use a threshold (e.g., FSC-A > 5,000) to exclude electronic noise and debris. Never threshold on a fluorescence channel unless you have a specific reason. : Generally, a larger cell produces a higher FSC-A signal
: Generally, a larger cell produces a higher FSC-A signal. | Parameter | What it measures | Best
: Describe how FSC-A is plotted on a scatter plot (often against Side Scatter-Area, or SSC-A) to visualize complex cell populations.