Abstract
New methods to analyze cells and tissues in ambient condition without any harsh chemical fixation or physical freezing and drying are summarized in this report. The first approach, an atmospheric pressure mass spectrometry imaging method, is based on laser ablation in atmospheric pressure assisted by atmospheric plasma and nanomaterials such as nanoparticles and graphene to enhance laser ablation. The second one is based on secondary ion mass spectrometry (SIMS) imaging of live cells in solution capped with single-layer graphene to preserve intact and hydrated biological samples even under ultrahigh vacuum for SIMS bio-imaging in solution.
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Acknowledgments
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (NRF-2021R1C1C2010928 and 2021R1A2C1008704) and the BK21 FOUR project funded by the Ministry of Education, Korea (4199990113966).
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Kim, J.Y., Lim, H., Moon, D.W. (2022). Ambient Mass Spectrometry Imaging of Small Molecules from Cells and Tissues. In: Lee, YJ. (eds) Mass Spectrometry Imaging of Small Molecules. Methods in Molecular Biology, vol 2437. Humana, New York, NY. https://doi.org/10.1007/978-1-0716-2030-4_3
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DOI: https://doi.org/10.1007/978-1-0716-2030-4_3
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