Ethylenediaminetetraacetic acid (EDTA) as an auxiliary tool in the electrospray ionization mass spectrometry analysis of native and derivatized β-cyclodextrins, maltoses, and fructans contaminated with Ca and/or Mg
The effect of Ca2+ (and Mg2+) and the disodium salt of ethylenediaminetetraacetic acid (EDTA), a well known Ca2+ (and Mg2+) chelating agent, on the volatilization/ionization of carbohydrates by using electrospray ionization mass spectrometry has been studied. Model compounds such as maltoses (maltos...
| Autores: | , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2010 |
| País: | Argentina |
| Institución: | Universidad Nacional de Buenos Aires. Facultad de Ciencias Exactas y Naturales |
| Repositorio: | Biblioteca Digital (UBA-FCEN) |
| Idioma: | inglés |
| OAI Identifier: | paperaa:paper_10440305_v21_n9_p1526_Giudicessi |
| Acceso en línea: | http://hdl.handle.net/20.500.12110/paper_10440305_v21_n9_p1526_Giudicessi |
| Access Level: | acceso abierto |
| Palabra clave: | Chelating agent Disodium salt Electrospray ionization mass spectrometry Ethylenediaminetetraacetic acid Fructans Maltoheptaose Model compound Acids Calcium Carbohydrates Chelation Cyclodextrins Electrospray ionization Ionization Maltose Mass spectrometry Particle detectors Polysaccharides Sugar (sucrose) Silanes 1 ketose 1f fructofuramosylnystose 2 hydroxypropyl beta cyclodextrin beta cyclodextrin beta cyclodextrin derivative beta cyclodextrin methyl ester calcium ion edetic acid enzyme fructan heptakis(2,3,6 o trimethyl) beta cyclodextrin heptakis(2,6 o dimethyl) beta cyclodextrin magnesium ion maltoheptaose maltose nystose sucrose unclassified drug article carbohydrate analysis chemical analysis controlled study electrospray mass spectrometry ionization volatilization beta-Cyclodextrins Edetic Acid Magnesium Spectrometry, Mass, Electrospray Ionization |
| Sumario: | The effect of Ca2+ (and Mg2+) and the disodium salt of ethylenediaminetetraacetic acid (EDTA), a well known Ca2+ (and Mg2+) chelating agent, on the volatilization/ionization of carbohydrates by using electrospray ionization mass spectrometry has been studied. Model compounds such as maltoses (maltose to maltoheptaose), β-cyclodextrins (β-cyclodextrin, methyl-β-cyclodextrin, heptakis(2,6-di-O-methyl)-β-cyclodextrin, heptakis(2,3,6-tri-O-methyl)-β-cyclodextrin, and 2-hydroxypropyl-β-cyclodextrin) and fructans (sucrose, 1-ketose, nystose, and 1F-fructofuranosylnystose) were used. © 2010. |
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