Classification of bloodstains deposited at different times on floor tiles using hierarchical modelling and a handheld NIR spectrometer

Fonseca, Aline C. S.; Pereira, José F. Q.; Honorato, Ricardo S.; Bro, Rasmus; Pimentel, Maria Fernanda

doi:10.1039/d3ay01204b

Anal. Methods

2023

DOI: 10.1039/d3ay01204b

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Classification of bloodstains deposited at different times on floor tiles using hierarchical modelling and a handheld NIR spectrometer

Aline C. S. Fonseca,

José F. Q. Pereira,

Ricardo S. Honorato

et al.

Abstract: Bloodstains are commonly encountered at crime scenes, especially on floor tiles, and can be deposited over varying time periods and intervals. Therefore, it is crucial to develop techniques that can...

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The Role of Molecular Investigations in Estimating the Time since Deposition (TSD) of Bloodstains: A Systematic Review of the Literature

Sacco,

Gualtieri,

Tarallo

et al. 2024

IJMS

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At many crime scenes, investigators are able to trace and find traces of blood. For many years, it was believed that such traces could only be subjected to genetic investigations, such as those aimed at comparing DNA profiling with a suspect to verify his identity, and that it was therefore not possible to backdate the traces. In recent years, various works have used experimental models to investigate the possibility of identifying markers and methodologies for estimating the time since deposition (TSD) of bloodstains. Despite the results, these methods are still not part of standard procedures, and there is no univocal analysis methodology. In this work we carried out a systematic literature review of all the papers published in the last ten years on this topic, comparing the experimental models created. This review demonstrates the potential that different molecular approaches, such as transcriptomics, metabolomics, proteomics, and spectrometry, can have in the analysis of TSD, with notable sensitivity and specificity. This paper also analyzes the intrinsic and extrinsic limits of these models and emphasizes the need to continue research work on this topic, considering the importance that this parameter can assume in forensic investigations against a suspect.

show abstract

The Role of Molecular Investigations in Estimating the Time since Deposition (TSD) of Bloodstains: A Systematic Review of the Literature

Sacco,

Gualtieri,

Tarallo

et al. 2024

IJMS

View full text Add to dashboard Cite

show abstract

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Classification of bloodstains deposited at different times on floor tiles using hierarchical modelling and a handheld NIR spectrometer

Abstract: Bloodstains are commonly encountered at crime scenes, especially on floor tiles, and can be deposited over varying time periods and intervals. Therefore, it is crucial to develop techniques that can...

Cited by 1 publication

References 20 publications

The Role of Molecular Investigations in Estimating the Time since Deposition (TSD) of Bloodstains: A Systematic Review of the Literature

The Role of Molecular Investigations in Estimating the Time since Deposition (TSD) of Bloodstains: A Systematic Review of the Literature

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