2006
DOI: 10.1016/j.chroma.2005.11.039
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A protocol for designing comprehensive two-dimensional liquid chromatography separation systems

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Cited by 144 publications
(95 citation statements)
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“…Para um sistema LC × LC ser ortogonal, pode-se utilizar cromatografia líquida em fase normal em uma das dimensões e em fase reversa na outra dimensão 22 . Deve-se, entretanto, levar em consideração a compatibilidade entre as fases móveis.…”
Section: Alguns Termos Propostos Seus Símbolos E Explicaçõesunclassified
“…Para um sistema LC × LC ser ortogonal, pode-se utilizar cromatografia líquida em fase normal em uma das dimensões e em fase reversa na outra dimensão 22 . Deve-se, entretanto, levar em consideração a compatibilidade entre as fases móveis.…”
Section: Alguns Termos Propostos Seus Símbolos E Explicaçõesunclassified
“…than the one used in the first dimension [124]. In the second dimension, wide-bore columns are therefore preferred to accommodate large fraction volumes and to enable the use of higher flow rates, which shortens re-equilibration times in the case of gradient analyses.…”
Section: Methods Development and Instrumental Design In Lc×lcmentioning
confidence: 99%
“…The challenge, then, is to identify the most important decisions and focus on those first, leaving the other variables for further optimization later in the development process. In the last 10 years there have been several journal articles (Bedani et al, , 2006Fairchild et al, 2009b;Schoenmakers et al, 2006;Vivó-Truyols et al, 2010) and a book chapter describing method development strategies and protocols that can serve as guides to the method development process. Interested readers are encouraged to engage the details of these prior publications.…”
Section: Methods Developmentmentioning
confidence: 99%
“…On the one hand, shorter modulation periods offer a higher number of cuts across the 1 D peaks, but the secondary column fails to provide sufficient separation power; on the other hand, longer sampling periods in combination with a longer 2 D column lead to a gain in resolution in the 2 D, but the overall resolution is in this case jeopardized because of the deleterious effect of the undersampling. In addition, they introduced a new parameter, e M (Nobuo factor), which is defined as the ratio of the apparent peak capacity of the first column derived from sà to its actual peak capacity in the 1 D. A useful "protocol" for optimizing LC  LC separations based on proper sampling has been described by Schoenmakers et al (2006): for such a scope, suitable chromatographic parameters, such as column dimensions, injection volumes, and flow rates, were taken into account. As a realistic example, the protocol was used to design specific LC  size exclusion chromatography (SEC) systems, starting with different diameters of the 1 D column, and the results achieved were close to best practices in this field.…”
Section: Advances In Theorymentioning
confidence: 99%