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Reference type: Journal
Authors: Tavares LS, Carvalho TC, Romão W, Vaz BG, Chaves AR
Article Title: Paper Spray Tandem Mass Spectrometry Based on Molecularly Imprinted Polymer Substrate for Cocaine Analysis in Oral Fluid.
Publication date: 2018
Journal: Journal of The American Society for Mass Spectrometry
Volume: 29
Issue: (3)
Page numbers: 566-572.
DOI: 10.1007/s13361-017-1853-2

Abstract: This study proposes a new direct and fast method of analysis employing paper spray mass spectrometry (PS-MS). The paper used in the proposed method was modified with molecularly imprinted polymers (MIP) to create a specific site for cocaine analysis in oral fluid. MIP membrane was successfully synthetized and employed. The developed method showed to be linear in a concentration range from LOQ to 100 ng mL-1. The experimental value of LOQ obtained was 1 ng mL-1. The inter-day and intra-day precision and accuracy of the PS-MS method presented values lower than 15%. The total recoveries were also evaluated. The PS-MS method for the analysis of cocaine in oral fluid showed to be very promising and the validation parameters showed a good correlation with the literature
Template and target information: cocaine
Author keywords: Cocaine Oral fluid Analytical validation Paper spray ionization


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