2000
DOI: 10.1021/ac991202k
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Free Flow Electrophoresis Device for Continuous On-Line Separation in Analytical Systems. An Application in Biochemical Detection

Abstract: A free flow electrophoresis (FFE) device was developed for continuous electrophoretic separation of charged compounds and implemented in a continuous flow biochemical detection (BCD) system. These continuous separation characteristics make FFE well suitable for online implementation in a chromatographic or flow injection analysis system, in which an additional separation step of charged compounds is desired. In a heterogeneous biochemical flow assay for the determination of biotin, an analyte zone reacts with … Show more

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Cited by 42 publications
(42 citation statements)
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“…Size-reduced mini-FFE systems were developed later and were coupled to MS and LC enabling continuous separation with online detection possibilities [6,7]. This combination of FFE as a continuous separation method with online detection would allow for real-time monitoring of analytes, such as patients samples, reaction products, and more.…”
Section: Introductionmentioning
confidence: 99%
“…Size-reduced mini-FFE systems were developed later and were coupled to MS and LC enabling continuous separation with online detection possibilities [6,7]. This combination of FFE as a continuous separation method with online detection would allow for real-time monitoring of analytes, such as patients samples, reaction products, and more.…”
Section: Introductionmentioning
confidence: 99%
“…To some extent this principle is applicable for smaller FFE systems as well, using traditional micromachining techniques such as injection molding and milling [19,20,44]. However, when the lateral feature size decreases to millimeters and the separation chamber heights decrease to tens of micrometers the fabrication of the necessary thin cellulose membranes sheets and their manual handling including device assembly is not practicable anymore.…”
Section: Device Technologymentioning
confidence: 99%
“…This CIEF-FFE-ESI-MS system was successfully realized for three model proteins (myoglobin, carbonic anhydrase I and β-lactoglobulin B). Furthermore, Mazereeuw et al [19] realized a system in which FFE was used as an online separation step of fluorescent compounds in a biochemical detection system. This system was based on the interaction of the affinity protein streptavidin with biotin, in which biotin acted as an analyte.…”
Section: Detection and Hyphenationmentioning
confidence: 99%
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“…São muitas as estratégias para análise por espectrometria de massa e introdução de amostra por electrospray ou eletronebulização (ESI) com microchip [77] [ [230][231][232][233][234][235][236][237][238][239]. Geralmente, estas envolvem dispositivos não-consumíveis, como vidro, quartzo, silicone e acrílico entre outros.…”
Section: Introductionunclassified