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Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry imaging (MALDI-TOF-MSI) has received considerable attention in recent years since it allows molecular mapping of diverse bimolecular in animal/plant tissue sections, although some barriers still exist in absolute pixel-to-pixel quantification. Octreotide, a synthetic somatostatin analogue, has been widely used to prevent...
Application of imaging mass spectrometry in drug pharmacokinetics remains challenging due to its weak quantitative capability. Herein, an imaging mass microscope (iMScope), equipped with an optical microscope, an atmospheric pressure ion-source chamber for matrix-assisted laser desorption/ionization (AP-MALDI) and a hybrid quadrupole ion trap time-of-flight (QIT-TOF) analyzer, was first validated...
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