Journal
PROCESSES
Volume 10, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/pr10020388
Keywords
matrix-assisted laser desorption; ionization mass spectrometry (MALDI-MS); tissue or tumor imaging; instrumentation; processing protocol; working principle
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Matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) is an advanced technique used for mass spectrometry analysis by utilizing fragmented ions from complex molecules. It has wide applications in tumor and tissue imaging but has the potential for improvement in detecting larger proteins in certain tissues.
Matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) is an advanced technique that uses minimum fragmented ions from complex molecules for mass spectrometry (MS) analysis (tissue profiling by mass spectrometry). It is able to analyze spatially resolved tissue or tumor sections at the molecular level. It has become a valuable tool for tumor and tissue imaging, due to its ease of operation and high mass resolution, but it still has vast room for development in the instrumentation of larger proteins in some tissues. In this review, we focus on the main components of MALDI-MS instrumentation, sample handling and processing, the working principle of MALDI-MS, and its applications in diagnostic and prognostic assessments, tumor removal and drug development. Although it is less effective at detecting larger proteins in some tissues, it still shows huge potential because of its advancements in instrumentation and processing protocols. This article may benefit those who have interests in MALDI-MS for tissue or tumor imaging.
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