Study on development of forensic blood substitute: Focusing on bloodstain pattern analysis

Sang Yoon Lee, Young Il Seo, Byung Sun Moon, Jin Pyo Kim, Jae Mo Goh, Nam Kyu Park, Se Hyun Shin

Research output: Contribution to journalArticlepeer-review

Abstract

Bloodstain pattern analysis, one of the areas of forensic science, is performed to analyze the physical characteristics of bloodstains, including their size, shape, and distribution, to reconstruct a crime scene. A bloodstain pattern analyst should obtain through experiments and education the capabilities to both understand the generation mechanisms of bloodstains and identify the characteristics of the bloodstains. Experiments and education about bloodstain pattern analysis are carried out by using human blood taken from subjects, animal blood (porcine or bovine) supplied from butcheries, and blood substitute products developed in other countries. However, these kinds of blood have many limitations in their application due to various problems. The blood substitute developed in the present study is more similar to human blood than other blood substitute products developed in other countries with regard to the physical properties, including viscosity, viscoelasticity, and surface tension, as well as the drip bloodstain patterns depending on the surface and coordinate characteristics of drip stains impact angle. The blood substitute developed in the present study is more practical, because the materials that are used in its preparation are readily available in the market and do not include chemicals that are harmful to the human body, and the blood substitute has luminol reaction functionality and pattern transfer bloodstain (bloodstain fingerprint, bloodstain footprint, etc.) dyeing functionality.

Original languageEnglish
Article number110461
JournalForensic Science International
Volume316
DOIs
Publication statusPublished - 2020 Nov

Keywords

  • Bloodstain pattern analysis
  • Drip bloodstain
  • Forensic blood substitute
  • Luminol
  • Pattern transfer
  • Physical properties

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

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