Abstract
The aim of this study was to obtain a novel composite of dymethylaminochalcone/silicon dioxide/zinc oxide for application in forensic science as a fingermark developer. Three ketone-based reagents were investigated for the synthesis of the dimethylaminobenzaldehyde-derived chalcones. Among the studied samples, the one composed of acetylthiophene chalcone/SiO2/ZnO exhibitted the most promising results for latent fingermark imaging with minimal background smearing, revealing all ridge details on different substrates. These composites represent an interesting alternative for such application being technological and reproducible.
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