No you cannot take it apart but here's some ideas on what you can clean...
Clean the optics on the bottom of the mouse (near the on/off switch).
Use a piece of paper (or better, small postit notes) to slip into the gap between the top and base (the crack that closes when you click the mouse). The sticky edge of postits is the better edge to use but with paper or posted, try to work the "gunk" that can accumulate in the gap out (or stick the sticky edge of a postit).
Note, I am not sure what problem could cause zooming and cleaning is probably not going to address that.