Recent advances in polymeric monolithic stationary phases for electrochromatography in capillaries and chips

Bedair, Mohamed; Rassi, Ziad El

doi:10.1002/elps.200406136

Cited by 78 publications

(44 citation statements)

References 41 publications

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“…88,89 Porém, existem várias revisões internacionais sobre fases estacionárias monolíticas aplicadas em CEC, 24,29,34,[90][91][92][93] poucas sobre aplicação [94][95][96] e algumas sobre os fundamentos e tecnologia da CEC. 11,65,[97][98][99][100][101][102] Esta técnica necessita de pesquisas e desenvolvimentos que confirmem a sua aplicabilidade e reprodutibilidade, para que, talvez, se torne competitiva com a HPLC.…”

Section: Conclusãounclassified

Eletrocromatografia capilar: contextualização, estado da arte e perspectivas

Segato¹,

Silva²,

Jardim³

2009

Quím. Nova

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ElEtrocromatografia capilar: contExtualização, Estado da artE E pErspEctivas milena pinotti segato, césar ricardo silva e isabel cristina sales fontes Jardim* Instituto de Química, Universidade Estadual de Campinas, CP 6154, 13084-971 Campinas -SP, BrasilRecebido em 25/3/08; aceito em 21/8/08; publiado na web em 26/1/09 CAPILLARY ELECTROCHROMATOGRAPHY: CONTEXTUALIZATION, STATE-OF-THE-ART AND PERSPECTIVES. Capillary electrochromatography (CEC) is a separation technique in which the mobile phase flow is based on the application of a voltage across a packed capillary, which generates an electroosmotic flow that transports the analytes along the capillary toward the detector. As it combines the separation mechanisms of high-performance liquid chromatography (HPLC) and of capillary electrophoresis (CE), CEC can be considered a hybrid of HPLC and CE. This review presents some fundamental aspects of CEC and is focused on the instrumental advances of the technique, such as column technology, operation modes and detection systems, presenting recent papers on these topics and some applications and perspectives about CEC.

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Section: Conclusãounclassified

Eletrocromatografia capilar: contextualização, estado da arte e perspectivas

Segato¹,

Silva²,

Jardim³

2009

Quím. Nova

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“…The chemical structures of typical monomers and crosslinkers are shown in Table 1. Several review articles have been published on organic polymer monoliths [18][19][20][21][25][26][27][28].…”

Section: Organic Polymer Monolithsmentioning

confidence: 99%

Monolithic media in microfluidic devices for proteomics

Nayak

Knapp

2006

Electrophoresis

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Considerable effort has been invested in the development of integrated microfluidic devices for fast and highly efficient proteomic studies. Among various fabrication techniques for the preparation of analytical components (separation columns, reactors, extractors, valves, etc.) in integrated microchips, in situ fabrication of monolithic media is receiving increasing attention. This is mainly due to the ease and simplicity of preparation of monolithic media and the availability of various precursors and chemistries. In addition, UV-initiated photopolymerization technique enables the incorporation of multiple analytical components into specified parts of a single microchip using photomasks. This review summarizes preparation methods for monolithic media and their application as microfluidic analytical components in microchips.

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“…Other major advantages are related to the lower back pressure they present in comparison to packed-bed columns, and to the chemical inertness of the support. Their preparation and applications have been recently reviewed [1][2][3][4].…”

Section: Introductionmentioning

confidence: 99%

CEC enantioseparations on chiral monolithic columns: A study of the stereoselective degradation of (R/S)‐dichlorprop [2‐(2,4‐dichlorophenoxy)propionic acid] in soil

Messina

Sinibaldi

2007

Electrophoresis

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For the study of the stereoselective degradation of the herbicide 2-aryloxipropionic acid dichlorprop (DCPP) in soil, a porous monolithic chiral column (100 microm id) was prepared by in situ copolymerization of glycidyl methacrylate, methyl methacrylate and ethylene glycol dimethacrylate in the presence of formamide and 1-propanol as the porogen solvents. Subsequently, the epoxide groups at the surface of the monolith were reacted with (+)-1-(4-aminobutyl)-(5R,8S,10R)-terguride as the chiral selector. Optimum conditions for the herbicide resolution by CEC were found using mobile phases consisting of acetic acid/triethylamine mixtures in ACN-methanol (9:1 v/v). Under these conditions fully separation of DCPP enantiomers in the presence of clofibric acid (internal standard) was achieved in about 5 min. Experiments on the incubation of rac-DCPP in soil at room temperature showed the herbicide undergone during 23 incubation days to a degradation to levels

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Recent advances in polymeric monolithic stationary phases for electrochromatography in capillaries and chips

Cited by 78 publications

References 41 publications

Eletrocromatografia capilar: contextualização, estado da arte e perspectivas

Eletrocromatografia capilar: contextualização, estado da arte e perspectivas

Monolithic media in microfluidic devices for proteomics

CEC enantioseparations on chiral monolithic columns: A study of the stereoselective degradation of (R/S)‐dichlorprop [2‐(2,4‐dichlorophenoxy)propionic acid] in soil

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