Method development in pharmaceutical analysis employing capillary electrochromatography
Capillary electrochromatography (CEC) has been employed to explore method development for a series of structurally related polar neutral compounds of pharmaceutical relevance. Capillaries with dimensions of 75 μm ID × 25 cm length (34.5 cm total) were packed with Spherisorb ODS‐1, Hypersil phenyl, a...
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| Veröffentlicht in: | Electrophoresis 1998-09, Vol.19 (12), p.2073-2082 |
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| creator | Angus, Peter D. A. Stobaugh, John F. Victorino, Estelita Payne, Kent M. Demarest, Charles W. Catalano, Tom |
| description | Capillary electrochromatography (CEC) has been employed to explore method development for a series of structurally related polar neutral compounds of pharmaceutical relevance. Capillaries with dimensions of 75 μm ID × 25 cm length (34.5 cm total) were packed with Spherisorb ODS‐1, Hypersil phenyl, and Hypersil MOS (all 3 μm particles) and were compared in the reversed‐phase mode in order to determine which phase provided the best initial performance and thus serve as the phase of choice for additional method development experiments. The various separation parameters examined for their effect on efficiency, k, resolution, and linear velocity included percent and type of organic modifier, buffer concentration, voltage, and temperature. All separations were conducted with an acidic mobile phase (aqueous mobile phase component, pH 3.0). The separation efficiencies obtained were on the order of 200000–260000 plates/m, which equates to reduced plate heights of 1.22 for columns packed with Spherisorb ODS‐1. Repeatable column‐to‐column separation performance was demonstrated. |
| doi_str_mv | 10.1002/elps.1150191206 |
| format | Article |
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A. ; Stobaugh, John F. ; Victorino, Estelita ; Payne, Kent M. ; Demarest, Charles W. ; Catalano, Tom</creator><creatorcontrib>Angus, Peter D. A. ; Stobaugh, John F. ; Victorino, Estelita ; Payne, Kent M. ; Demarest, Charles W. ; Catalano, Tom</creatorcontrib><description>Capillary electrochromatography (CEC) has been employed to explore method development for a series of structurally related polar neutral compounds of pharmaceutical relevance. Capillaries with dimensions of 75 μm ID × 25 cm length (34.5 cm total) were packed with Spherisorb ODS‐1, Hypersil phenyl, and Hypersil MOS (all 3 μm particles) and were compared in the reversed‐phase mode in order to determine which phase provided the best initial performance and thus serve as the phase of choice for additional method development experiments. The various separation parameters examined for their effect on efficiency, k, resolution, and linear velocity included percent and type of organic modifier, buffer concentration, voltage, and temperature. All separations were conducted with an acidic mobile phase (aqueous mobile phase component, pH 3.0). The separation efficiencies obtained were on the order of 200000–260000 plates/m, which equates to reduced plate heights of 1.22 for columns packed with Spherisorb ODS‐1. 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A.</creatorcontrib><creatorcontrib>Stobaugh, John F.</creatorcontrib><creatorcontrib>Victorino, Estelita</creatorcontrib><creatorcontrib>Payne, Kent M.</creatorcontrib><creatorcontrib>Demarest, Charles W.</creatorcontrib><creatorcontrib>Catalano, Tom</creatorcontrib><title>Method development in pharmaceutical analysis employing capillary electrochromatography</title><title>Electrophoresis</title><addtitle>ELECTROPHORESIS</addtitle><description>Capillary electrochromatography (CEC) has been employed to explore method development for a series of structurally related polar neutral compounds of pharmaceutical relevance. Capillaries with dimensions of 75 μm ID × 25 cm length (34.5 cm total) were packed with Spherisorb ODS‐1, Hypersil phenyl, and Hypersil MOS (all 3 μm particles) and were compared in the reversed‐phase mode in order to determine which phase provided the best initial performance and thus serve as the phase of choice for additional method development experiments. The various separation parameters examined for their effect on efficiency, k, resolution, and linear velocity included percent and type of organic modifier, buffer concentration, voltage, and temperature. All separations were conducted with an acidic mobile phase (aqueous mobile phase component, pH 3.0). The separation efficiencies obtained were on the order of 200000–260000 plates/m, which equates to reduced plate heights of 1.22 for columns packed with Spherisorb ODS‐1. Repeatable column‐to‐column separation performance was demonstrated.</description><subject>Acetonitriles</subject><subject>Buffers</subject><subject>Capillary Action</subject><subject>Capillary electrochromatography</subject><subject>Chromatography - methods</subject><subject>Chromatography, High Pressure Liquid</subject><subject>Electrochemistry</subject><subject>Hydrogen-Ion Concentration</subject><subject>Osmolar Concentration</subject><subject>Particle Size</subject><subject>Pharmaceutical analysis</subject><subject>Pharmaceuticals</subject><subject>Polar neutral pharmaceuticals</subject><subject>Reproducibility of Results</subject><subject>Silicon Dioxide</subject><subject>Technology, Pharmaceutical - methods</subject><subject>Temperature</subject><issn>0173-0835</issn><issn>1522-2683</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkEtP4zAUhS00CMpjzQopq9kF_MrDmtWAoCCVhyio7CzHvqVmnDhjpwP596RqxYgVq7s453y6-hA6IviEYExPwbXxhJAME0EozrfQiGSUpjQv2Q80wqRgKS5Ztov2YnzFGHPB-Q7aEUVOSMlHaHYD3cKbxMA_cL6toekS2yTtQoVaaVh2ViuXqEa5PtqYQN0639vmJdGqtc6p0CfgQHfB60Xwter8S1Dtoj9A23PlIhxu7j56urx4PL9KJ3fj6_Pfk1SzkuYpNRQAtCpVCUbgjGtBOSl4RStNTClwZUo6r4awIErMTSWAVJniIsdc5cawffRzzW2D_7uE2MnaRg3DZw34ZZQFE6KgjA7F03VRBx9jgLlsg62H_yXBcqVSrlTK_yqHxfEGvaxqMJ_9jbsh_7XO36yD_jucvJjcT7_Q0_Xaxg7eP9cq_JF5wYpMzm7HcvZMrqbTyzP5wD4Aa6CTiQ</recordid><startdate>199809</startdate><enddate>199809</enddate><creator>Angus, Peter D. 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A.</creatorcontrib><creatorcontrib>Stobaugh, John F.</creatorcontrib><creatorcontrib>Victorino, Estelita</creatorcontrib><creatorcontrib>Payne, Kent M.</creatorcontrib><creatorcontrib>Demarest, Charles W.</creatorcontrib><creatorcontrib>Catalano, Tom</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Electrophoresis</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Angus, Peter D. A.</au><au>Stobaugh, John F.</au><au>Victorino, Estelita</au><au>Payne, Kent M.</au><au>Demarest, Charles W.</au><au>Catalano, Tom</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Method development in pharmaceutical analysis employing capillary electrochromatography</atitle><jtitle>Electrophoresis</jtitle><addtitle>ELECTROPHORESIS</addtitle><date>1998-09</date><risdate>1998</risdate><volume>19</volume><issue>12</issue><spage>2073</spage><epage>2082</epage><pages>2073-2082</pages><issn>0173-0835</issn><eissn>1522-2683</eissn><abstract>Capillary electrochromatography (CEC) has been employed to explore method development for a series of structurally related polar neutral compounds of pharmaceutical relevance. Capillaries with dimensions of 75 μm ID × 25 cm length (34.5 cm total) were packed with Spherisorb ODS‐1, Hypersil phenyl, and Hypersil MOS (all 3 μm particles) and were compared in the reversed‐phase mode in order to determine which phase provided the best initial performance and thus serve as the phase of choice for additional method development experiments. The various separation parameters examined for their effect on efficiency, k, resolution, and linear velocity included percent and type of organic modifier, buffer concentration, voltage, and temperature. All separations were conducted with an acidic mobile phase (aqueous mobile phase component, pH 3.0). The separation efficiencies obtained were on the order of 200000–260000 plates/m, which equates to reduced plate heights of 1.22 for columns packed with Spherisorb ODS‐1. Repeatable column‐to‐column separation performance was demonstrated.</abstract><cop>Hoboken</cop><pub>Wiley Subscription Services, Inc., A Wiley Company</pub><pmid>9761184</pmid><doi>10.1002/elps.1150191206</doi><tpages>10</tpages></addata></record> |
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| ispartof | Electrophoresis, 1998-09, Vol.19 (12), p.2073-2082 |
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| source | MEDLINE; Wiley Online Library Journals Frontfile Complete |
| subjects | Acetonitriles Buffers Capillary Action Capillary electrochromatography Chromatography - methods Chromatography, High Pressure Liquid Electrochemistry Hydrogen-Ion Concentration Osmolar Concentration Particle Size Pharmaceutical analysis Pharmaceuticals Polar neutral pharmaceuticals Reproducibility of Results Silicon Dioxide Technology, Pharmaceutical - methods Temperature |
| title | Method development in pharmaceutical analysis employing capillary electrochromatography |
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