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  • Title: Nonaqueous capillary electrophoresis--its applicability in the analysis of food, pharmaceuticals and biological fluids.
    Author: Bjørnsdottir I, Tjørnelund J, Hansen SH.
    Journal: Electrophoresis; 1998 Sep; 19(12):2179-86. PubMed ID: 9761201.
    Abstract:
    The use of nonaqueous electrophoresis media for the application of capillary electrophoresis in the analysis of food, pharmaceuticals and biological fluids is reviewed. Some of the applications are discussed in detail and the benefits of using nonaqueous media in these cases are outlined. Three new applications within pharmaceutical analyses are presented. In these methods either a simple sample pretreatment by dilution with methanol (determination of chlorhexidine in a cream) or selective on-line capillary electrophoresis mass spectrometry (methods for identification of seizure drugs or opium alkaloids) are used. The choice of organic solvents and electrolytes for nonaqueous capillary electrophoresis are discussed. Furthermore, validation data obtained using capillary electrophoresis based on the nonaqueous principle are listed and discussed.
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