Polyacrylonitrile/MIL-53(Fe) electrospun nanofiber for pipette-tip micro solid phase extraction of nitrazepam and oxazepam followed by HPLC analysis.
Benzodiazepines
Biological fluid
Composite nanosorbent
Metal organic framework
Microextraction
Miniaturization
Sample preparation
Waste water analysis
Journal
Mikrochimica acta
ISSN: 1436-5073
Titre abrégé: Mikrochim Acta
Pays: Austria
ID NLM: 7808782
Informations de publication
Date de publication:
31 01 2020
31 01 2020
Historique:
received:
18
07
2019
accepted:
03
01
2020
entrez:
2
2
2020
pubmed:
2
2
2020
medline:
2
2
2020
Statut:
epublish
Résumé
Nanofibers were prepared from a nanocomposite consisting of polyacrylonitrile and a metal-organic framework of type MIL-53(Fe) by electrospinning. They are shown to be a viable sorbent for pipette-tip solid-phase extraction for the extraction of the benzodiazepine drugs nitrazepam and oxazepam. The nanofibers were characterized by scanning electron microscopy, energy dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy and X-ray diffraction. The effects of sample pH value and volume, composition, and amount of electrospun nanofibers, the number of adsorption cycles and the type and volume of the eluent were optimized. Following extraction the drugs were quantified by HPLC. Under the optimized conditions, response is linear for both drugs in the 5.0-1000 ng mL
Identifiants
pubmed: 32006112
doi: 10.1007/s00604-020-4112-3
pii: 10.1007/s00604-020-4112-3
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
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