A PILOT STUDY FOR THE USE OF COUMARIN-480 TO ENHANCE FINGERMARKS

Authors

  • Muhammad YASEEN Department of Chemistry, University of Education (Lahore), Faisalabad campus, Pakistan. Email: yaseen747pk@hotmail.com. https://orcid.org/0000-0002-2907-7533
  • Nouman RASOOL Department of Biochemistry, University of Management and Technology, Lahore, Pakistan. Corresponding author: yaseen747pk@hotmail.com. https://orcid.org/0000-0003-0210-5845
  • Zahid FAROOQ Department of Physics, University of Education (Lahore), Faisalabad campus, Pakistan. Corresponding author: yaseen747pk@hotmail.com.
  • Shahbaz NAZIR Department of Education, Government of Punjab, Pakistan. Corresponding author: yaseen747pk@hotmail.com. https://orcid.org/0000-0003-1580-8996
  • Shumaila CHOHAN Institute of Chemistry, University of Punjab, Pakistan. Corresponding author: yaseen747pk@hotmail.com.

DOI:

https://doi.org/10.24193/subbchem.2019.1.15

Keywords:

Fingermarks enhancement, Cyanoacrylate post treatment dye, Coumarin-480, Fluorescent dye

Abstract

A new alternative super glue post-treatment method for the enhancement of fingermarks over two different non-porous surfaces including glass slides and high-density polyethylene (HDPE) sheets have been investigated. This is the first documented application of 2,3,6,7-tetrahydro-9-methyl-1H,5H-quinolizino(9,1-gh)coumarin or coumarin-480 for the enhancement of cyanoacrylate fumed fingermarks. Coumarin-480 in ethanol was used as cyanoacrylate post-treatment dye. Fingermarks of seven different donors were aged for three different time periods (1 day, 1 week and 4 weeks) over non-fluorescent glass slides and HDPE sheets and developed with cyanoacrylate fumes. Upon staining with coumarin-480, fingermarks of varying qualities were observed under long UV radiations. Rhodamine 6G was used to assess the relative sensitivity of the coumarin-480 for the enhancement cyanoacrylate developed fingermarks. Pseudo-operational trials were conducted on glass bottles and high-density polyethylene shopping bags. Coumarin-480 produced superior enhancement on HDPE shopping bags and glass bottles than the rhodamine 6G.

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STUDIA UBB CHEMIA, Volume 64 (LXIV), No. 1, March 2019

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Published

2019-03-29

How to Cite

YASEEN, M. ., RASOOL, N. ., FAROOQ, Z. ., NAZIR, S. ., & CHOHAN, S. . (2019). A PILOT STUDY FOR THE USE OF COUMARIN-480 TO ENHANCE FINGERMARKS. Studia Universitatis Babeș-Bolyai Chemia, 64(1), 185–196. https://doi.org/10.24193/subbchem.2019.1.15

Issue

Volume 64, No. 1, 2019

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Articles

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