Inherent Fingerprint Luminescence - Detection By Laser

  title={Inherent Fingerprint Luminescence - Detection By Laser},
  author={Brian E. Dalrymple and James M. Duff and E. Roland Menzel},
  booktitle={Other Conferences},
The currently used methods of fingerprint detection may be classified into two categories: those which are dependent on the adherence of inert materials to fingerprint residues (powder methods), and those which rely on chemical interaction of a detection reagent with specific components of the latent print (for example, ninhydrin method). Both classes, in fact all conventional fingerprint detection methods, require a chemical or physical treatment of the exhibit under examination. 
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TV system for detection of latent fingerprints
A fingerprint is reliable evidence for recognizing criminals in detecting cases. There are many conventional chemical and physical methods in detecting fingerprints. In this paper, a newly developedExpand
Summary The chemical substances of perspiration found in latent fingerprint residue may hold the key for dating latent fingerprints. To study the chemical transformations of these components as aExpand
Fingerprint Development by Ninhydrin and Its Analogues
Chemical Development of Latent Fingerprints Ninhydrin: The Universal Reagent for Fingerprints on Paper History and General Properties of Ninhydrin Reaction with Amino Acids Ninhydrin as a LatentExpand
Inherent Fluorescence Detection of Latent Fingermarks by Homemade Shortwave Ultraviolet Laser
Experimental results indicate that the recovery rate of the latent fingermarks on various paper items is in the range of 70–80% without chemical treatments, and such a method as UV‐excited UV fluorescence in detecting latent fingermark may be better for examination in cases where biological information of samples is needed for consequent testing. Expand
Portable hyperspectral imager with continuous wave green laser for identification and detection of untreated latent fingerprints on walls.
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The recoverability of fingerprints on paper exposed to elevated temperatures - Part 2: natural fluorescence
Previous work by the authors [1] investigated the recoverability of fingerprints on paper which had been exposed to elevated temperatures by comparing various chemical enhancement techniquesExpand
Pattern for active layer removal Chromagram sheet Ink spot Area of active layer removal Area of active layer removal
Over the past 40 years, document examiners have strived on the scientific examination and identification of writing inks. Government agencies at all levels and lawyers in the private sector are usingExpand
Applications of UV-visible spectral imaging in forensic science
• Any use you make of these documents or images must be for research or private study purposes only, and you may not make them available to any other person. • Authors control the copyright of theirExpand
New visualization agents to reveal the hidden secrets of latent fingerprints
Household materials such as cumin, Coriander powder, coriander, turmeric, black pepper, etc have been used to disclose the mysteries of latent fingerprints on an aluminum foil by dusting method which gives good results. Expand


The Chemical Composition of Palmar Sweat
  • Fingerprint and Identi,
  • 1975