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Monofunctional curcumin analogues: evaluation of green and safe developers of latent fingerprints

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Abstract

Fingerprint development is one of the most useful techniques in forensic investigation. The powder method is widely used, as it consists of a non-destructive testing. However, some of the powders commonly used are toxic and dangerous to human health. In this sense, monofunctional analogues of curcumin (3ae) are proposed as novel coloring powders for the development of latent fingerprints. Granulometric and scanning electron microscopy analysis were performed for a better understanding of the interaction between developers and substrates. The best results for the development of fingerprints were obtained with compound (1E,4E)-1,5-di-p-tolylpenta-1,4-dien-3-one (3b). Development with this compound was specific and allowed detection both from male and female donors. Also, in an in vitro experiment, compound 3b presented low cytotoxicity in a mammalian cell line. Based on that, a novel alternative for latent fingerprint developers was proposed.

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Acknowledgements

The authors are grateful to the National Institute of Science and Technology (INCT Forensics – CNPq 465450/2014-8) for the technical assistance and resources. This work is part of the project “Revealers and Forensic Markers: Obtainment and Chemical Properties—8634”. The authors would also like to thank FAPERGS and the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior–Brasil (CAPES)–Finance Code 001.

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Correspondence to Bruna S. Pacheco or Claudio M. P. Pereira.

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Pacheco, B.S., Da Silva, C.C., Da Rosa, B.N. et al. Monofunctional curcumin analogues: evaluation of green and safe developers of latent fingerprints. Chem. Pap. 75, 3119–3129 (2021). https://doi.org/10.1007/s11696-021-01556-4

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  • DOI: https://doi.org/10.1007/s11696-021-01556-4

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