Abstract:Sorption capacity is a critical issue in microextraction techniques where the amount of sorbent is reduced to the low milligram range and even lower. In this context, the use of sorbents with a high superficial area is really desirable. Nanoparticles (NPs) fulfill this main requirement while, at the same time, provide the analyst with a wide variety of interaction chemistries that can be easily selected depending on the analytical problem under study. In addition, certain NPs present especial properties (e.g. … Show more
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