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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 9, Iss. 5 — Apr. 29, 2014

Detection of carcinogenic chromium in synthetic hair dyes using laser induced breakdown spectroscopy

M. A. Gondal, Y. W. Maganda, M. A. Dastageer, F. F. Al Adel, A. A. Naqvi, and T. F. Qahtan  »View Author Affiliations


Applied Optics, Vol. 53, Issue 8, pp. 1636-1643 (2014)
http://dx.doi.org/10.1364/AO.53.001636


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Abstract

A laser induced breakdown spectroscopic (LIBS) system, consisting of a pulsed 266 nm laser radiation, in conjunction with a high-resolution spectrograph, a gated intensified charge coupled device camera, and a built-in delay generator were used to develop a sensitive detector to quantify the concentration of toxic substances such as chromium in synthetic hair dyes available on the local market. The strong atomic transition line of chromium (Cr I) at 427.5 nm wavelength was used as a fingerprint wavelength to calibrate the detection system and also to quantify the levels of chromium in the hair dye samples. The limit of detection achieved by our LIBS detection system for chromium was 1.2 ppm, which enabled us to detect chromium concentration in the range of 5–11 ppm in the commercial hair dyes available on the local market. The concentrations of chromium in the hair dyes measured using our system were validated using a standard analytical technique such as inductively coupled plasma mass spectrometry (ICPMS), and acceptable agreement (nearly 8%) was found between the results obtained by the two methods (LIBS and ICPMS). This study is highly significant for human health, specifically for people using synthetic hair dyes for changing the color of their hair.

© 2014 Optical Society of America

OCIS Codes
(020.0020) Atomic and molecular physics : Atomic and molecular physics
(140.3530) Lasers and laser optics : Lasers, neodymium
(300.6365) Spectroscopy : Spectroscopy, laser induced breakdown

ToC Category:
Spectroscopy

History
Original Manuscript: October 15, 2013
Revised Manuscript: December 31, 2013
Manuscript Accepted: January 8, 2014
Published: March 7, 2014

Virtual Issues
Vol. 9, Iss. 5 Virtual Journal for Biomedical Optics

Citation
M. A. Gondal, Y. W. Maganda, M. A. Dastageer, F. F. Al Adel, A. A. Naqvi, and T. F. Qahtan, "Detection of carcinogenic chromium in synthetic hair dyes using laser induced breakdown spectroscopy," Appl. Opt. 53, 1636-1643 (2014)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-53-8-1636

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