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Creators/Authors contains: "Kurulugama, Rowan T"

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  1. ; ; ; ; ; (, Journal of the American Society for Mass Spectrometry)
    Native ion mobility-mass spectrometry (IM-MS) typically introduces protein ions into the gas phase through nano-elecrospray ionization (nESI). Many nESI setups have mobile stages for tuning the ion signal and extent of co-solute and salt adduction. However, tuning the position of the emitter capillary in nESI can have unintended downstream consequences for collision-induced unfolding or collision-induced dissociation (CIU/D) experiments. Here we show that relatively small variations in the nESI emitter position can shift the midpoint potential of CID breakdown curves and CIU transitions; by as much as 8 V on commercial instruments. 
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