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논문 기본 정보

자료유형
학술저널
저자정보
Yoon Sohee (Korea Research Institute of Standards and Science (KRISS)) Lee Tae Geol (Korea Research Institute of Standards and Science (KRISS))
저널정보
나노기술연구협의회 Nano Convergence Nano Convergence Vol.5 No.24
발행연도
2018.9
수록면
1 - 13 (13page)
DOI
10.1186/s40580-018-0157-y

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초록· 키워드

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Time-of-flight secondary ion mass spectrometry (ToF–SIMS) imaging is an analytical technique rapidly expanding in use in biological studies. This technique is based on high spatial resolution (50–100 nm), high surface sensitivity (1–2 nm top-layer), and statistical analytic power. In mass spectrometry imaging (MSI), sample preparation is a crucial step to maintaining the natural state of the biomolecules and providing accurate spatial information. However, a number of problems associated with temperature changes in tissue samples such as loss of original distribution due to undesired molecular migration during the sample preparation or reduced ionization efficiency make it difficult to accurately perform MSI. Although frozen hydrate analysis is the ideal sample preparation method to eliminate the effects of temperature, this approach is hindered by mechanical limitations. Alternatively, an adhesive-tape-supported mounting and freeze-drying preparation has been proposed. This paper provides a concise review of the sample preparation procedures, a review of current issues, and proposes efficacious solutions for ToF–SIMS imaging in biological research.

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