Imaging Method by Matrix-Assisted Laser Desorption/ Ionization Mass Spectrometry (MALDI-MS) for Tissue or Tumor: A Mini Review
Matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) is an ad-vanced technique that uses minimum fragmented ions from complex molecules for mass spectrome-try (MS) analysis (tissue profiling by mass spectrometry). It is able to analyze spatially resolved tissue or tumor sections...
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| Format: | Review |
| Published: |
2023
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| Online Access: | https://repository.li.mahidol.ac.th/handle/123456789/84107 |
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| Institution: | Mahidol University |
| Summary: | Matrix-assisted laser desorption/ionization mass spectrometry (MALDI-MS) is an ad-vanced technique that uses minimum fragmented ions from complex molecules for mass spectrome-try (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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