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The feasibility of using laser induced-breakdown spectroscopy (LIBS) as a quick and simple method to analyze trace elemental concentrations in the stratum corneum of human skin was investigated. A 60 mJ pulse -1 Nd:YAG laser operating at 1064 nm was used to form the laser induced plasma. Zinc was chosen for this study. By using poly-(methyl methacrylate) (PMMA) solution to coat the slides,...
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