Resumo

HOMBREIRO, L. et al. Descriptive study of the causes of contamination in forensic sampling of DNA. Cuad. med. forense [online]. 2015, vol.21, n.3-4, pp.135-151. ISSN 1988-611X.

The contamination of DNA samples in forensic context is very important in all kind of trials, specially in penal trials. With the goal to know factors which produce this contamination and degree of its, we are designed an experimental study with four forensic experts and three ways to make this samples collection (correct, incorrect and very incorrect). Results of this study show a minimum contamination in handling and residual contamination too in workplaces. We conclude that although the routine methodology in sample collection could be consider reliable; furthermore it's necessary achieve protocols of samples collection and cleanliness of workplaces.

Palavras-chave : DNA; Contamination; Samples collection; Forensic.

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