- P-ISSN 1225-0163
- E-ISSN 2288-8985
- 권한신청
- P-ISSN1225-0163
- E-ISSN2288-8985
- SCOPUS, ESCI, KCI
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다양한 개시제(initiator)분말 전처리(pre-treatment)를 통한 노화된 지문의 Cyanoacrylate Fuming법 현출 증강 비교
Comparison of aging fingerprint enhancement by pre-treatment of various initiator powders in the cyanoacrylate fuming method
분석과학 / 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
(충남대학교 과학수사학과)
(충남대학교 과학수사학과)
(충청남도경찰청 과학수사과)
(충남대학교 과학수사학과)
(충청남도경찰청 과학수사과)
김수경,
이윤정,
&
서경숙.
(2022). 다양한 개시제(initiator)분말 전처리(pre-treatment)를 통한 노화된 지문의 Cyanoacrylate Fuming법 현출 증강 비교. 분석과학, 35(3), 129-135, https://doi.org/10.5806/AST.2022.35.3.129
- 다운로드 수
- 조회수
초록
본 연구는 alumina, leucine, alumina와 leucine을 9:1로 혼합한 분말(이하 Al-Leu (9:1)), alumina와leucine을 5:1로 혼합한 분말(이하 Al-Leu (5:1)), alumina와 sodium lactate를 5:1로 혼합한 분말(이하 Al- Lac (5:1))을 자연상태 시료지문을 남긴 후 1, 7, 14, 30일로 노화시킨 잠재지문에 전처리한 후 cyanoacrylate fuming(이하 CA 훈증법)으로 현출 증강을 시도하였다. 전체적으로 미처리한 후 CA 훈증한 잠재지문보다 alumina, leucine, Al-Leu (9:1), Al-Leu (5:1), Al-Lac (5:1) 분말로 전처리한 잠재지문의 면적값과 특징점개수가 향상되었다. 따라서 5종류의 개시제가 CA 훈증 시 현출 증강을 향상시키는 것을 확인하였다.
- keywords
- cyanoacrylate fuming (CA fuming) #1, initiator #2, latent fingerprint #3, aged fingerprint #4, pretreatment #5
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.
- keywords
- cyanoacrylate fuming (CA fuming) #1, initiator #2, latent fingerprint #3, aged fingerprint #4, pre-treatment #5
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