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Sensitivity of cocaine and glucose assisted by the ReO3 and WO3 μP laser desorption ionizations, versus MALDI using CCA: a) 50 pg/μL cocaine with CCA as matrix, b) 50 pg/μL cocaine with ReO3 as matrix, c) 5 ng/μL glucose with CCA as matrix, and d) 5 ng/μL glucose with WO3 μP as matrix. 252×92mm (150 × 150 DPI)
