Figure 3.
Selected ion images in the negative ion mode of (A) m/z 834.5 on an LTQ ion trap. B) m/z 834.53 and (c) m/z 834.58 collected on an orbitrap
Selected ion images in the negative ion mode of (A) m/z 834.5 on an LTQ ion trap. B) m/z 834.53 and (c) m/z 834.58 collected on an orbitrap