MALDI imaging mass spectrometry (MALDI-IMS) is the use of matrix-assisted laser desorption ionization as a mass spectrometry imaging^[2] technique in which the sample, often a thin tissue section, is moved in two dimensions while the mass spectrum is recorded.^[3] Advantages, like measuring the distribution of a large amount of analytes at one time without destroying the sample, make it a useful method in tissue-based study

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