Journal
JOURNAL OF TRACE ELEMENTS IN MEDICINE AND BIOLOGY
Volume 75, Issue -, Pages -Publisher
ELSEVIER GMBH
DOI: 10.1016/j.jtemb.2022.127086
Keywords
Single -cell; scICP-MS; elemental analysis
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Single-cell ICP-MS shows high potential in analyzing elements in cells, offering significant advantages such as sensitivity improvement, high-resolution imaging, and cell fingerprint. It has been widely applied in various fields from oncology to environmental research, contributing to important findings such as elucidating nanoparticle toxicity and vaccine development.
The heterogeneity properties shown by cells or unicellular organisms have led to the development of analytical methods at the single-cell level. In this sense, considering the importance of trace elements in these biological systems, the inductively coupled plasma mass spectrometer (ICP-MS) configured for analyzing single cell has presented a high potential to assess the evaluation of elements in cells. Moreover, advances in instrumentation, such as coupling laser ablation to the tandem configuration (ICP-MS/MS), or alternative mass analyzers (ICPSFMS and ICP-TOFMS), brought significant benefits, including sensitivity improvement, high-resolution imaging, and the cell fingerprint. From this perspective, the single-cell ICP-MS has been widely reported in studies involving many fields, from oncology to environmental research. Hence, it has contributed to finding important results, such as elucidating nanoparticle toxicity at the cellular level and vaccine development. Therefore, in this review, the theory of single-cell ICP-MS analysis is explored, and the applications in this field are pointed out. In addition, the instrumentation advances for single-cell ICP-MS are addressed.
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