This article introduces sample preparation methods for a unique real-time analytical method based on the ambient mass spectrometry. This method lets us perform real-time analysis of the biological molecules in vivo without any special pretreatments.
Takeda, S., Yoshimura, K., Tanihata, H. Sample Preparation for Probe Electrospray Ionization Mass Spectrometry. J. Vis. Exp. (156), e59942, doi:10.3791/59942 (2020).