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Synchronous Luminescence Spectroscopy as a Tool in the Discrimination and Characterization of Oral Cancer Tissue

  • Einstein Gnanatheepam
  • Udayakumar Kanniyappan
  • Koteeswaran Dornadula
  • Aruna Prakasarao
  • Ganesan SingaraveluEmail author
ORIGINAL ARTICLE
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Abstract

High incidence of oral cancer is primarily due to ongoing tobacco epidemic. In this work, synchronous luminescence spectroscopy (SLS) has been used to characterize and discriminate oral cancer tissue. Spectral deconvolution method is employed to compute the fluorescence intensity, peak wavelength, and full width half maxima for different endogenous fluorophores. The fluorescence measurements were made on 21 normal and 88 oral squamous cell carcinoma biopsy tissues. Besides, variations in relative concentration of collagen, NADH, and FAD, peak shifts and broadening of peaks are observed for tryptophan, NADH, and FAD, in oral cancer tissues indicating both biochemical and micro environmental changes at cellular level. Linear discriminant analysis showed that oral cancer tissue is discriminated with a sensitivity and specificity of 100% and 95.2% respectively.

Keywords

Synchronous luminescence spectroscopy Tissue Oral cancer Spectral deconvolution method 

Notes

Acknowledgments

Authors gratefully acknowledge DAE-BRNS (No.:2009/34/38/BRNS) for funding this work.

Compliance with Ethical Standards

Ethical Clearance

Ethical Clearance has been obtained from Health and Family Welfare Department, Government of Tamil Nadu, India. (Ref. no. 47846/ E2 /2012–1), to collect samples from Government Arignar Anna Cancer Hospital, Kanchipuram, Tamilnadu, INDIA.

Conflict of Interest

The authors declare that there is no conflict of interest regarding the publication of this article.

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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Einstein Gnanatheepam
    • 1
  • Udayakumar Kanniyappan
    • 1
  • Koteeswaran Dornadula
    • 2
  • Aruna Prakasarao
    • 1
  • Ganesan Singaravelu
    • 1
    Email author
  1. 1.Department of Medical PhysicsAnna UniversityChennaiIndia
  2. 2.Department of Oral Medicine and RadiologyMeenakshi Ammal Dental College and HospitalChennaiIndia

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