title: Strategies for the identification of urinary calculus by laser induced breakdown spectroscopy.
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 mu-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.
authors: Laser Laboratory and Environment, Department of Analytical Chemistry, Faculty of Sciences, University of Zaragoza, Pedro Cerbuna #12, 50009 Zaragoza, Spain. janzano@unizar.es
authors: Jesús
authors: J
authors: Anzano
authors: Roberto-Jesús
authors: RJ
authors: Lasheras
mesh_terms: D006801:Humans; D007669:Kidney Calculi / Q000737:chemistry; D007834:Lasers; D008722:Methods; D012015:Reference Standards; D013057:Spectrum Analysis / Q000379:methods*; D014545:Urinary Calculi / Q000737:chemistry / Q000175:diagnosis*