Dye-doped cellulose nanocrystals as novel dusting powders for visualizing latent fingerprints

Yao, Xu; Li, Guo-Rui; Wang, Jiu-Jiang; Tang, Cheng; Li, Da-Wu; You, Nan; Mao, Wei; Li, Zhan-Chao; Zhang, Si-Qi

doi:10.1039/d4ay00923a

Anal. Methods

2024

DOI: 10.1039/d4ay00923a

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Dye-doped cellulose nanocrystals as novel dusting powders for visualizing latent fingerprints

Xu Yao,

Guo-Rui Li,

Jiu-Jiang Wang

et al.

Abstract: Powder-dusting method based on the visual contrast between background surface and powder-covered ridges of fingerprint, is widely used to develop the invisible latent fingerprints (LFPs) left at crime scenes. Recently,...

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Cited by 2 publications

References 37 publications

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Eco and user–friendly curcumin based nanocomposite forensic powder from coal fly ash for latent fingerprint detection in crime scenes

PRABAKARAN,

PILLAY

2024

Carbon Trends

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Eco and user–friendly curcumin based nanocomposite forensic powder from coal fly ash for latent fingerprint detection in crime scenes

PRABAKARAN,

PILLAY

2024

Carbon Trends

View full text Add to dashboard Cite

Bithiophene-Based Donor–π–Acceptor Compounds Exhibiting Aggregation-Induced Emission as Agents to Detect Hidden Fingerprints and Electrochromic Materials

Filipek,

Kałkus,

Szlapa-Kula

et al. 2024

Molecules

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A group of bithiophenyl compounds comprising the cyanoacrylate moiety were designed and successfully synthesized. The optical, (spectro)electrochemical, and aggregation-induced emission properties were studied. DFT calculations were used to explain the reaction’s regioselectivity and to determine the molecules’ energy parameters (i.e., band gaps, HOMO levels, and LUMO levels). The aggregation-induced emission of compounds has been studied in the mixture of DMF (as a good solvent) and water (as a poor solvent), with different water fractions ranging from 0% to 99%. It has been shown that there are differences in the physicochemical properties of the obtained compounds due to the length of the alkyl chain in the ester group. Investigated derivatives were tested for their potential use in visualizing latent fingerprints and electrochromic materials.

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Dye-doped cellulose nanocrystals as novel dusting powders for visualizing latent fingerprints

Abstract: Powder-dusting method based on the visual contrast between background surface and powder-covered ridges of fingerprint, is widely used to develop the invisible latent fingerprints (LFPs) left at crime scenes. Recently,...

Cited by 2 publications

References 37 publications

Eco and user–friendly curcumin based nanocomposite forensic powder from coal fly ash for latent fingerprint detection in crime scenes

Eco and user–friendly curcumin based nanocomposite forensic powder from coal fly ash for latent fingerprint detection in crime scenes

Bithiophene-Based Donor–π–Acceptor Compounds Exhibiting Aggregation-Induced Emission as Agents to Detect Hidden Fingerprints and Electrochromic Materials

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