2006
DOI: 10.1590/s0100-40422006000100015
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Desenvolvimento de colunas cromatográficas de meios de acesso restrito proteína-imobilizada e suas avaliações para análise de fármacos com injeção direta de plasma humano

Abstract: Recebido em 6/1/05; aceito em 25/4/05; publicado na web em 24/8/05 DEVELOPMENT OF RESTRICTED-ACCESS MEDIA CHROMATOGRAPHIC COLUMNS PROTEIN-IMMOBILIZED AND THEIR EVALUATION FOR THE ANALYSIS OF DRUGS BY DIRECT INJECTION OF HUMAN PLASMA.A series of bovine serum albumin-immobilized supports have been prepared and used as restricted access media (RAM) columns. Restricted-access supports combine size-exclusion of proteins and other high-molar-mass matrix components with the simultaneous enrichment of low-molar mass a… Show more

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Cited by 6 publications
(5 citation statements)
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“…It was not necessary to use organic solvent or buffer to salt-out the milk proteins. Similar performances were already observed in exclusion of plasma proteins from C 8 and C 18 RAM-BSA columns (8,9,30).…”
Section: Exclusion Efficiency Of the Bovine Milk Proteins By The Ram-...supporting
confidence: 81%
“…It was not necessary to use organic solvent or buffer to salt-out the milk proteins. Similar performances were already observed in exclusion of plasma proteins from C 8 and C 18 RAM-BSA columns (8,9,30).…”
Section: Exclusion Efficiency Of the Bovine Milk Proteins By The Ram-...supporting
confidence: 81%
“…To permit direct injection of biological samples, the RAM column must be capable of removing endogenous components with high efficiency. We have previously reported the efficient preparation and application of a series of RAM BSA columns for on-line microsample deproteinization [11,[17][18][19][20][21].…”
Section: Resultsmentioning
confidence: 99%
“…Carol Collins, one of the pioneers in the dissemination of this technique, organized a well-known book on chromatography . Stationary phase development continues to be an issue, and Collins's group is currently developing immobilized and monolithic stationary phases (Faria et al 2007b;Faria et al 2006) and Cass's group is developing Restricted Access Medium (RAM) columns Lima et al 2006). Advances in hardware for hyphenated techniques encompassing HPLC and supercritical fluid chromatography have been undertaken by Lanças et al more recently focusing on Solid Phase Extraction (SPE) techniques (Chaves et al 2007;Fernandes et al 2007a).…”
Section: Chromatography Capillary Electrophoresis and Mass Spectrometrymentioning
confidence: 99%