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    Mass spectrometry imaging (MSI) is a novel molecular imaging technology that collects molecular information from the surface of samples in situ. The spatial distribution and relative content of various compounds can be visualized simultaneously with high spatial resolution. The prominent advantages of MSI promote the active development of ionization technology and its broader applications in diverse fields. This article first gives a brief introduction to the vital parts of the processes during MSI. On this basis, provides a comprehensive overview of the most relevant MS-based imaging techniques from their mechanisms, pros and cons, and applications. In addition, a critical issue in MSI, matrix effects is also discussed. Then, the representative applications of MSI in biological, forensic, and environmental fields in the past 5 years have been summarized, with a focus on various types of analytes (e.g., proteins, lipids, polymers, etc.) Finally, the challenges and further perspectives of MSI are proposed and concluded. Copyright © 2023 Elsevier B.V. All rights reserved.

    Citation

    Xing Guo, Xin Wang, Caiyan Tian, Jianxiong Dai, Zhongjun Zhao, Yixiang Duan. Development of mass spectrometry imaging techniques and its latest applications. Talanta. 2023 Nov 01;264:124721

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    PMID: 37271004

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