Discrimination of Melanoma Using Laser-Induced Breakdown Spectroscopy Conducted on Human Tissue Samples

Discrimination and identification of melanoma (a kind of skin cancer) by using laser-induced breakdown spectroscopy (LIBS) combined with chemometrics methods are reported. The human melanoma and normal tissues are used in the form of formalin-fixed paraffin-embedded (FFPE) blocks as samples. The res...

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Main Authors: Muhammad Nouman Khan, Qianqian Wang, Bushra Sana Idrees, Geer Teng, Xutai Cui, Kai Wei
Format: Article
Language:English
Published: Wiley 2020-01-01
Series:Journal of Spectroscopy
Online Access:http://dx.doi.org/10.1155/2020/8826243
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author Muhammad Nouman Khan
Qianqian Wang
Bushra Sana Idrees
Geer Teng
Xutai Cui
Kai Wei
author_facet Muhammad Nouman Khan
Qianqian Wang
Bushra Sana Idrees
Geer Teng
Xutai Cui
Kai Wei
author_sort Muhammad Nouman Khan
collection DOAJ
description Discrimination and identification of melanoma (a kind of skin cancer) by using laser-induced breakdown spectroscopy (LIBS) combined with chemometrics methods are reported. The human melanoma and normal tissues are used in the form of formalin-fixed paraffin-embedded (FFPE) blocks as samples. The results demonstrated higher LIBS signal intensities of phosphorus (P), potassium (K), sodium (Na), magnesium (Mg), and calcium (Ca) in melanoma FFPE samples while lower signal intensities in normal FFPE tissue samples. Chemometric methods, artificial neural network (ANN), linear discriminant analysis (LDA), quadratic discriminant analysis (QDA), and partial least square discriminant analysis (PLS-DA) are used to build the classification models. Different preprocessing methods, standard normal variate (SNV), mean-centering, normalization by total area, and autoscaling, were compared. A good performance of the model (sensitivity, specificity, and accuracy) for melanoma and normal FFPE tissues has been achieved by the ANN and PLS-DA models (all were 100%). The results revealed that LIBS combined with chemometric methods for detection and discrimination of human malignancies is a reliable, accurate, and precise technique.
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institution Kabale University
issn 2314-4920
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language English
publishDate 2020-01-01
publisher Wiley
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series Journal of Spectroscopy
spelling doaj-art-2217f10ae1634db896b368c0c196aad62025-02-03T05:52:30ZengWileyJournal of Spectroscopy2314-49202314-49392020-01-01202010.1155/2020/88262438826243Discrimination of Melanoma Using Laser-Induced Breakdown Spectroscopy Conducted on Human Tissue SamplesMuhammad Nouman Khan0Qianqian Wang1Bushra Sana Idrees2Geer Teng3Xutai Cui4Kai Wei5School of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, ChinaSchool of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, ChinaSchool of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, ChinaSchool of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, ChinaSchool of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, ChinaSchool of Optics and Photonics, Beijing Institute of Technology, Beijing 100081, ChinaDiscrimination and identification of melanoma (a kind of skin cancer) by using laser-induced breakdown spectroscopy (LIBS) combined with chemometrics methods are reported. The human melanoma and normal tissues are used in the form of formalin-fixed paraffin-embedded (FFPE) blocks as samples. The results demonstrated higher LIBS signal intensities of phosphorus (P), potassium (K), sodium (Na), magnesium (Mg), and calcium (Ca) in melanoma FFPE samples while lower signal intensities in normal FFPE tissue samples. Chemometric methods, artificial neural network (ANN), linear discriminant analysis (LDA), quadratic discriminant analysis (QDA), and partial least square discriminant analysis (PLS-DA) are used to build the classification models. Different preprocessing methods, standard normal variate (SNV), mean-centering, normalization by total area, and autoscaling, were compared. A good performance of the model (sensitivity, specificity, and accuracy) for melanoma and normal FFPE tissues has been achieved by the ANN and PLS-DA models (all were 100%). The results revealed that LIBS combined with chemometric methods for detection and discrimination of human malignancies is a reliable, accurate, and precise technique.http://dx.doi.org/10.1155/2020/8826243
spellingShingle Muhammad Nouman Khan
Qianqian Wang
Bushra Sana Idrees
Geer Teng
Xutai Cui
Kai Wei
Discrimination of Melanoma Using Laser-Induced Breakdown Spectroscopy Conducted on Human Tissue Samples
Journal of Spectroscopy
title Discrimination of Melanoma Using Laser-Induced Breakdown Spectroscopy Conducted on Human Tissue Samples
title_full Discrimination of Melanoma Using Laser-Induced Breakdown Spectroscopy Conducted on Human Tissue Samples
title_fullStr Discrimination of Melanoma Using Laser-Induced Breakdown Spectroscopy Conducted on Human Tissue Samples
title_full_unstemmed Discrimination of Melanoma Using Laser-Induced Breakdown Spectroscopy Conducted on Human Tissue Samples
title_short Discrimination of Melanoma Using Laser-Induced Breakdown Spectroscopy Conducted on Human Tissue Samples
title_sort discrimination of melanoma using laser induced breakdown spectroscopy conducted on human tissue samples
url http://dx.doi.org/10.1155/2020/8826243
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AT bushrasanaidrees discriminationofmelanomausinglaserinducedbreakdownspectroscopyconductedonhumantissuesamples
AT geerteng discriminationofmelanomausinglaserinducedbreakdownspectroscopyconductedonhumantissuesamples
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