Bio-Rad Image Lab™ Software - Manual (Page 53)

Interface Overview
User Guide | 53
Normalization enables you to normalize volume data in multichannel images, so
you can correct for sample loading errors in your gels.
Note: This tool is disabled for the GS-900 densitometer, which does not
support multichannel images.
MW Analysis Tools (Molecular Weight Analysis) enables you to choose standard
samples, assign standard lanes, and choose a regression method.
Quantity Tools enables you to automatically quantify bands, using either relative or
absolute values.
Annotation Tools enables you to add formatted text and arrows to any area of a
gel.
Volume Tools enables you to manually quantify an object inside a boundary that
you define.
These tools are described in Analysis Tool Box Tools on page 105 .
Status Bar
The status bar in the lower right-hand corner of the main window shows the imager
in use and the X and Y values for the cursor position on the image file.
The status bar also displays the transmissive OD (optical density) (or, for blots, the
reflective density) values for the image at the cursor position. The maximum data
range for transmissive OD is 0.0 - 3.4 (specular) and the maximum data range for
reflective OD is 0.0 - 2.7 (specular). However, the ranges vary depending on the
values contained within each image.