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Published in: Journal of Visualization 4/2021

08-03-2021 | Short Paper

Visualization and fluorescence spectroscopy of fingerprints on glass slide using combined 405 nm laser and phase contrast microscope

Authors: Mohammad E. Khosroshahi, Vaughan Woll-Morison

Published in: Journal of Visualization | Issue 4/2021

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Abstract

This work describes the simultaneous visualization and laser fluorescence spectroscopy of patent fingerprints on the glass slide using 405 nm laser and phase contrast microscope (PCM). High resolution images are achieved due to phase shifts conversion as light passes through a transparent specimen such as sweat layer. The residue composition can be identified by fluorescence spectroscopy depending on the wavelength used. Here, only two peaks likely corresponding to sodium chloride at 440 and 460 nm are detected. Application of fluorescein powder was found to enhance the image contrast; however when dissolved by the sweat it can play a role via fluorescence particularly when it is conjugated to appropriate contrast agents.

Graphical abstract

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Literature
go back to reference Adebsi A (2009) The recent challenges and advancements: a literary view. Int J Biol Anthropol 21–29 Adebsi A (2009) The recent challenges and advancements: a literary view. Int J Biol Anthropol 21–29
go back to reference Champod C, Lennard C, Margot P (2004) Fingerprints and other ridge skin impressions. CRC Press, Boca RatonCrossRef Champod C, Lennard C, Margot P (2004) Fingerprints and other ridge skin impressions. CRC Press, Boca RatonCrossRef
go back to reference Lacowicz JR (1983) Principles of fluorescence spectroscopy. Plenum Press, New YorkCrossRef Lacowicz JR (1983) Principles of fluorescence spectroscopy. Plenum Press, New YorkCrossRef
Metadata
Title
Visualization and fluorescence spectroscopy of fingerprints on glass slide using combined 405 nm laser and phase contrast microscope
Authors
Mohammad E. Khosroshahi
Vaughan Woll-Morison
Publication date
08-03-2021
Publisher
Springer Berlin Heidelberg
Published in
Journal of Visualization / Issue 4/2021
Print ISSN: 1343-8875
Electronic ISSN: 1875-8975
DOI
https://doi.org/10.1007/s12650-021-00745-3

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