Abstract
Nanomaterials are, in analytical science, used for a broad range of purposes, covering the area of sample pretreatment as well as separation, detection and identification of target molecules. This review covers the application of nanomaterials for sample pretreatment in capillary electrophoresis. It targets the utilization of nanomaterials for sample purification, preconcentration and/or extraction coupled both off-line and on-line with capillary electrophoretic analysis. Especially due to their large surface area, nanoparticles and nanomaterials are exceptionally helpful in making up for the limited concentration detection limits provided by capillary electrophoresis. This method possesses excellent separation power; however, its sensitivity may be problematic in some cases. Therefore, this review is focused on utilization of nanomaterials as a powerful tool for sample preconcentration, which is so often required prior to capillary electrophoretic analysis.
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