Comparison of aging fingerprint enhancement by pre-treatment of various initiator powders in the cyanoacrylate fuming method

Kim, Kyung-Soo; 김수경; Lee, Yoon-Jeong; 이윤정; Seo, Kyung-Suk; 서경숙

doi:10.5806/ast.2022.35.3.129

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P-ISSN1225-0163
E-ISSN2288-8985
SCOPUS, ESCI, KCI

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P-ISSN 1225-0163
E-ISSN 2288-8985

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Vol.35, No.3

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Comparison of aging fingerprint enhancement by pre-treatment of various initiator powders in the cyanoacrylate fuming method

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985

2022, v.35 no.3, pp.129-135

https://doi.org/10.5806/ast.2022.35.3.129

Kim, Kyung-Soo
Lee, Yoon-Jeong
Seo, Kyung-Suk

Kim,, K. , Lee,, Y. , & Seo,, K. (2022). Comparison of aging fingerprint enhancement by pre-treatment of various initiator powders in the cyanoacrylate fuming method. , 35(3), 129-135, https://doi.org/10.5806/ast.2022.35.3.129

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Abstract

We tested the pre-treatment of alumina, leucine, alumina mixed with leucine at ratios of 9:1 (Al-Leu (9:1)) and 5:1 (Al-Leu (5:1)), and alumina mixed with sodium lactate at a ratio of 5:1 (Al-Lac (5:1)) on aged fingerprints (1, 7, 14, and 30 days after natural fingerprinting) before cyanoacrylate (CA) fuming to improve the development efficacy. As a result of the experiment, fingerprints with pre-treatment of alumina, leucine, Al-Leu (9:1), Al-Leu (5:1), and Al-Lac (5:1) showed better development efficacy (area and minutiae) than fingerprints without pre-treatment. Therefore, this modified CA fuming method improved the development efficacy with five pretreatments.