Vapour phase techniques

Bleay, Stephen M.; Puit, Marcel de

doi:10.1002/9781119187400.ch7

Cited by 2 publications

(4 citation statements)

References 38 publications

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“…The CA fuming method has proven effective in developing white fingerprints on nonporous surfaces like metal and glass and on semiporous surfaces like glossy paper. However, its efficacy on light‐colored materials is limited, a finding corroborated by previous research [12]. Despite deploying various dyeing methods to augment the quality of low‐contrast fingerprints, particular challenges persist.…”

Section: Discussionmentioning

confidence: 77%

“…Fingerprints developed using the ardrox and rhodamine 6G fluorescence methods rely on manipulating light beams at varying wavelengths and filters [12]. These procedures, while effective, are labor‐intensive and time‐consuming.…”

Section: Discussionmentioning

confidence: 99%

“…Fluorescence staining can be performed via dipping, spraying, or immersion; however, immersion's advantages make it the most widely used method for forensic applications [12]. For samples subjected to CA treatment, immersion in a rhodamine 6G solution followed.…”

Section: Methodsmentioning

confidence: 99%

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Optimization of crystal violet technique for enhanced fingerprint detection on various surfaces

Gülekçi,

Tülek

2024

Journal of Forensic Sciences

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The crystal violet (CV) staining technique represents a prevalent approach for the development of latent fingerprints, especially on adhesive tape surfaces. Nevertheless, the technique necessitates intricate formulations to augment its performance. In this investigation, an optimized CV staining protocol was developed, characterized by the absence of residual dye on the target substrates and the capability of facilitating fingerprint visualization under ambient light conditions. Four donors, comprising two males and two females, deposited natural fingerprints on various substrates, including glass microscope slides, aluminum foil, and 115 g glossy coated paper, without any specific guidelines. Fingerprints developed using cyanoacrylate fuming served as benchmarks and were contrasted with those generated through alternative methods: CV, ardrox, rhodamine 6G, powdering, and the optimized CV staining protocol. The fingerprint development experiment was replicated at seven distinct time intervals, encompassing 1 day, 1 week, 1, 3, 6, 9, and 12 months, resulting in a dataset of 420 fingerprints. The evaluation of fingerprint identifiability employed a scoring system established by the Home Office Centre for Applied Science and Technology. The results indicated that the optimized CV staining technique demonstrated superior performance, boasting a 92.9% rate of identifiable fingerprint development in contrast to other employed methodologies. Consequently, this optimized CV staining approach is recommended as an efficient, rapid, and straightforward critical dyeing method, applicable to a wide array of substrates in forensic investigations.

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Section: Discussionmentioning

confidence: 77%

Section: Discussionmentioning

confidence: 99%

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Optimization of crystal violet technique for enhanced fingerprint detection on various surfaces

Gülekçi,

Tülek

2024

Journal of Forensic Sciences

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“…Over the last decade, investigations and comparisons with one-step fluorescent cyanoacrylates, Lumicyano™, PolyCyano, CN Yellow and PECA Multiband, have taken place [10][11][12][13][14][15][16][17]. One-step cyanoacrylates feature cyanoacrylates with a fluorescent dye or fluorophore conjugated to the glue [18]. The aim of such processes is to save time, space, reduce costs and eliminate the use of toxic or flammable solvents which may J o u r n a l P r e -p r o o f affect DNA or other types of evidence [19].…”

Section: One-step Fluorescent Cyanoacrylate Processmentioning

confidence: 99%

An assessment of a portable cyanoacrylate fuming system (LumiFume™) for the development of latent fingermarks

Jones

Fraser

Deacon

et al. 2019

Forensic Science International

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This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

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Vapour phase techniques

Cited by 2 publications

References 38 publications

Optimization of crystal violet technique for enhanced fingerprint detection on various surfaces

Optimization of crystal violet technique for enhanced fingerprint detection on various surfaces

An assessment of a portable cyanoacrylate fuming system (LumiFume™) for the development of latent fingermarks

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