Emerging fields in fingermark (meta)detection – a critical review

Bécue, Andy

doi:10.1039/c6ay02496c

Cited by 76 publications

(59 citation statements)

References 188 publications

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“…Molecule 2c provided promising results regarding image clarity resulting in visible ridges, strong development and presence of minutiae that assisted in the identification of fingermarks. 26,27 In addition, to investigate the interaction of compounds with the surface, electron microscopy was performed. Figure 2 demonstrates a split assay in which the same fingermark was developed using compound 2c and the white standard powder.…”

Section: Resultsmentioning

confidence: 99%

Microwave Assisted Synthesis of Thiocarbamoylpyrazoles and Application as an Alternative Latent Fingermark Developers

Rosa¹,

Venzke²,

Poletti³

et al. 2020

J. Braz. Chem. Soc.

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Fingerprints are unique to each individual, contributing to human identification in forensic cases. The powder technique being widely used is considered one of the most important in latent fingermarks analysis. In this sense, the present work aimed to synthesize 1-thiocarbamoyl-4,5dihydro-1H-pyrazoles and apply them as powder agents to develop latent fingermarks. The compounds were prepared from an effective and green synthesis via the condensation of chalcones with thiosemicarbazide in ethanol under microwave irradiation. Pyrazoles were tested and compared with a standard white powder (Sirchie ®) on glass surfaces using sebaceous and natural fingermarks so that molecule 2c has been shown to be more promising providing image clarity. The derivatives of pyrazoles were promising as an alternative latent fingermark, presenting high quality images for fingermarks, proving to be a great tool for forensic sciences.

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Section: Resultsmentioning

confidence: 99%

Microwave Assisted Synthesis of Thiocarbamoylpyrazoles and Application as an Alternative Latent Fingermark Developers

Rosa¹,

Venzke²,

Poletti³

et al. 2020

J. Braz. Chem. Soc.

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“…Progress to this effect has been highlighted in an extensive review by Bécue. [81] These nanomaterials have encompassed heavy-metal-based quantum dots (QDs), [82][83][84] noble-metal nanocomposites, [85] lanthanidebased phosphors (see below), [54,57,[86][87][88][89][90][91] and many others.…”

Section: Harnessing Nir Luminescence For Fingermark Visualisationmentioning

confidence: 99%

“…[103] Safety issues have been flagged surrounding inhalation of the nanoparticles when used for fingermark dusting, including both quantum dots and lanthanide NIR powders. [81] These risks have been downplayed by other sources, with lanthanide NIR upconversion powders described as having low toxicity, or even no toxicity, based on the success of the biolabelling and cellular bioanalysis Fig. 6.…”

Section: Emergent Ln Nir Emitters For Fingermark Visualisationmentioning

confidence: 99%

Recent Trends Concerning Upconversion Nanoparticles and Near-IR Emissive Lanthanide Materials in the Context of Forensic Applications

Gee¹

2019

Aust. J. Chem.

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Upconversion nanoparticles (UCNPs) are materials that, upon absorbing multiple photons of low energy (e.g. infrared radiation), subsequently emit a single photon of higher energy, typically within the visible spectrum. The physics of these materials have been the subject of detailed investigations driven by the potential application of these materials as medical imaging devices. One largely overlooked application of UCNPs is forensic science, wherein the ability to produce visible light from infrared light sources would result in a new generation of fingerprint powders that circumvent background interference which can be encountered with visible and ultraviolet light sources. Using lower energy, infrared radiation would simultaneously improve the safety of forensic practitioners who often employ light sources in less than ideal locations. This review article covers the development of UCNPs, the use of infrared radiation to visualise fingerprints by the forensic sciences, and the potential benefits of applying UCNP materials over current approaches.

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“…This review article captures the substantial body of research that has been published since previous reviews by Choi et al, Dilag et al, Bécue and Cantu, and more recently Bécue (Bécue, ; Bécue & Cantú, ; Choi, McDonagh, Maynard, & Roux, ; Dilag, Kobus, & Ellis, ). A total of 205 peer‐reviewed research publications were considered.…”

Section: Introductionmentioning

confidence: 99%

Nanoparticles used for fingermark detection—A comprehensive review

Kanodarwala

Moret

Spindler

et al. 2019

WIREs Forensic Science

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Nanoparticles (NPs) have been used in numerous fields such as medicine, imaging, and electronics to cite just a few. In forensic science, NPs have been researched specifically for the detection of fingermarks. Their small size, surface functionalization ability, and luminescence properties can potentially lead to better resolution, increased sensitivity, and selectivity. This paper offers an extensive review of the various NP types investigated over the past three decades. NPs are sorted into seven categories, namely metal, metal oxide, quantum dots (QDs), carbon dots (C‐dots), silica (SiO2), and upconverters NPs (UCNPs) as well as a miscellaneous section. Each type is discussed in details from a critical viewpoint. The most promising NP types are also identified. This article is categorized under: Forensic Chemistry and Trace Evidence > Fingermarks and Other Marks

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Emerging fields in fingermark (meta)detection – a critical review

Cited by 76 publications

References 188 publications

Microwave Assisted Synthesis of Thiocarbamoylpyrazoles and Application as an Alternative Latent Fingermark Developers

Microwave Assisted Synthesis of Thiocarbamoylpyrazoles and Application as an Alternative Latent Fingermark Developers

Recent Trends Concerning Upconversion Nanoparticles and Near-IR Emissive Lanthanide Materials in the Context of Forensic Applications

Nanoparticles used for fingermark detection—A comprehensive review

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