Study of sweat content analysis and latent fingerprint developing

땀의 성분 분석과 잠재지문 현출에 관한 연구

  • Choi, Mi-Jung (Dept. of Scientific Criminal Investigation, Chungnam National University) ;
  • Sun, Yale-Shik (Hazard Evaluation Center Korea Testing & Research Institute) ;
  • Kim, Chang-Seong (Hazard Evaluation Center Korea Testing & Research Institute) ;
  • Choi, Man-Sik (Dept. of Oceanography and Marine Environmental Science, Chungnam National University) ;
  • Sung, Nack-Do (Dept. of Applied Biology, Chemistry & Food Science, Chungnam National University) ;
  • Park, Sung-Woo (Dept. of Scientific Criminal Investigation, Chungnam National University)
  • Received : 2007.02.16
  • Accepted : 2007.03.22
  • Published : 2007.04.28

Abstract

Sweat contents were investigated for using those data to forensic purpose. The experiments of identifying sweat contents were as follow: 1) measurement of amino acids (aspartic acid, serine, glycine etc) by HPLC, 2) anions ($Cl^-$, $F^-$, and $SO{_4}^{2-}$) by IC and 3) trace elements (Cu, Zn, Li, B, etc.) by ICP-MS. Amino acid contents in sweat are varied with individual samples and glycine, threonine, alanine, valine and histidine are detected as the prime one. The detected anions are $Cl^-$(2167~4073 ppm) and $F^-$(454~582 ppm) mostly. Trace elements of Rb, Zn and Cu are detected and those concentrations are relatively very high. The compositions of sweat can be influenced by various factors (diet, anthropometric, characteristics, physical fitness, age, gender and the state of the health).

Keywords

forensic science;sweat;amino acid;anion;trace elements;HPLC;IC;ICP

Acknowledgement

Supported by : 한국과학재단(KOSEF)

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