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Evaluation of fatty acids in groomed fingerprint by gas chromatographic analysis using various extraction solvents and treatment methods

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Authors
Kim, Youngmin; Choi, Won-sil; Choi, Eun Ji; Jeon, Byoungjun; Kim, Jungah; Park, Gee Ho; Huang, Yan; Wufuer, Maierdanjiang; Jin, Xian; Kim, Mi Ok; Xu, Lianji; Piao, Ying Lan; Park, Jae Hee; Kim, Won-Kon; Choi, Tae Hyun
Issue Date
2019-08-31
Publisher
Springer Open
Citation
Journal of Analytical Science and Technology, 10(1):29
Keywords
Latent fingerprintGas chromatography flame ionization detectorFatty acidsMethylationExtraction solvent
Abstract
Extremely small amounts of fatty acids detected in latent fingerprints are important for studying fingerprint visualization and age determination through changes in composition over time. However, methods for efficiently extracting or recovering fatty acids from fingerprints have not been extensively studied. If accurate and stable quantitative estimations are established, age estimates will be possible through a better understanding of the fatty acid composition. The extraction solvent and treatment method are essential factors for achieving a reliable analysis of fatty acids. There have been few previous studies that efficiently compared fatty acids. In this study, fatty acids from sebaceous fingerprint residues were quantified with various extraction solvents and treatment methods and were evaluated with gas chromatography flame ionization detection (GC-FID). All data were analyzed using a statistical method.
ISSN
2093-3371
Language
English
URI
http://hdl.handle.net/10371/162635
DOI
https://doi.org/10.1186/s40543-019-0188-y
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College of Medicine/School of Medicine (의과대학/대학원)Program in Stem Cell Biology (협동과정-줄기세포생물학전공)Journal Papers (저널논문_협동과정-줄기세포생물학전공)
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