Mostrar el registro sencillo del ítem
dc.contributor.author
Wang, Chien Chun
dc.contributor.author
Sombra, Lorena Luján
dc.contributor.author
Fernandez, Liliana Patricia
dc.date.available
2017-03-29T21:49:47Z
dc.date.issued
2012-08
dc.identifier.citation
Wang, Chien Chun; Sombra, Lorena Luján; Fernandez, Liliana Patricia; Automated flow system for sildenafil enrichment using surfactant coated solid-phase with fluorescence detection; Elsevier Science; Talanta; 98; 8-2012; 247-252
dc.identifier.issn
0039-9140
dc.identifier.uri
http://hdl.handle.net/11336/14491
dc.description.abstract
In this work, Amberlite XAD-1180 resin is used for on-line surfactant-mediated pre-concentration of sildenafil as a prior step for its fluorescent detection. In order to activate the column for sildenafil pre-concentration, the cationic surfactant (hexadecyltrimethylammoniunm bromide, HTAB) is adsorbed onto the resin. In these conditions, sildenafil is retained by HTAB–resin and then it is eluted with ethanol and analyzed by spectrofluorimetry. Drug–surfactant association produces a considerable fluorescence enhancement, increasing considerably the sensitivity of detection. Therefore, sildenafil can be pre-concentrated and quantitatively determined, with a detection limit of 0.2 ng mL1 . The proposed method was successfully applied to the analysis of bulk drug, human urine, tablets, and local herbal medicine. Validation processes were performed by recovering studies and statistical analysis with satisfactory results.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
dc.subject
On-Line Preconcentration
dc.subject
Fia-Fluorescence
dc.subject
Polymeric Resin
dc.subject
Surfactant
dc.subject
Sildenafil
dc.subject.classification
Química Analítica
dc.subject.classification
Ciencias Químicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Automated flow system for sildenafil enrichment using surfactant coated solid-phase with fluorescence detection
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-11-24T19:23:22Z
dc.journal.volume
98
dc.journal.pagination
247-252
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Wang, Chien Chun. Universidad Nacional de San Luis; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Química de San Luis; Argentina
dc.description.fil
Fil: Sombra, Lorena Luján. Universidad Nacional de San Luis; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Química de San Luis; Argentina
dc.description.fil
Fil: Fernandez, Liliana Patricia. Universidad Nacional de San Luis; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Luis. Instituto de Química de San Luis; Argentina
dc.journal.title
Talanta
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.talanta.2012.07.003
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0039914012005516
Archivos asociados