Strategies for the identification of urinary calculus by laser induced breakdown spectroscopy |
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Authors: | Jesús Anzano Roberto-Jesús Lasheras |
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Institution: | Laser Laboratory and Environment, Department of Analytical Chemistry, Faculty of Sciences, University of Zaragoza, Pedro Cerbuna #12, 50009 Zaragoza, Spain |
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Abstract: | The present work studies two different strategies to identify urinary calculus. On one hand, (linear or parametric and rank or non-parametric) correlation methods using a μ-LIBS system are studied. On the other hand, elemental ratios of reference materials are determined by using a higher-energy laser and an Echelle spectrograph with an ICCD camera, although without microscope. A data-treatment method was applied for each system and real samples of kidney stones - previously analyzed by IR spectroscopy - were used for reliable evaluation of two identification strategies. |
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Keywords: | Laser induced breakdown spectroscopy (LIBS) Urinary calculus Identification |
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