Estratégias de pré-concentração em eletroforese capilar: parte 2. Manipulação da velocidade da fase dispersa/secundária

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Date
2010-01-01Author
Moraes, Maria de Lourdes Leite de [UNIFESP]
Tavares, Marina Franco Maggi
Pereira, Elisabete Alves
Type
ArtigoISSN
0100-4042Is part of
Química NovaDOI
10.1590/S0100-40422010000200040Metadata
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Preconcentration strategies in capillary electrophoresis: part 2. Manipulation of the disperse/secondary velocityAbstract
This work describes CE preconcentration strategies based on the effect of manipulation of the disperse/secondary velocity. Introduced by Terabe et al. in 1984, micellar electrokinetic chromatography is a powerful separation approach that increases the usage of electrokinetic phenomena for the separation of nonionic compounds. The main disadvantage of MEKC is the low concentration sensitivity associated with the limited optical path length for on-capillary photometric detection and the limited volume of sample solution that can be injected. This paper compiles on-line concentration strategies for neutral analytes by sample stacking and sweeping in micellar electrokinetic chromatography.
Citation
MORAES, Maria de Lourdes Leite de; TAVARES, Marina Franco Maggi; PEREIRA, Elisabete Alves. Estratégias de pré-concentração em eletroforese capilar: parte 2. Manipulação da velocidade da fase dispersa/secundária. Quím. Nova, São Paulo , v. 33, n. 2, p. 466-470, 2010Sponsorship
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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