Aspartate analysis in formulations using a new enzyme sensor

A biosensor has been developed for the purpose of directly analysing aspartate in pharmaceutical formulations and aspartame in sweeteners. This biosensor consists of an ammonia-sensitive gas-diffusion electrode and the enzyme l-aspartase immobilized by means of polyazetidine on a dialysis membrane.

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Bibliographische Detailangaben
Veröffentlicht in:	Journal of pharmaceutical and biomedical analysis 1995-04, Vol.13 (4), p.439-447
Hauptverfasser:	Campanella, L., Aturki, Z., Sammartino, M.P., Tomassetti, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	analysis aspartame Aspartame - analysis Aspartate Aspartate Ammonia-Lyase - chemistry Aspartic Acid - analysis Biological and medical sciences Biosensing Techniques biosensor Dialysis Enzymes, Immobilized - chemistry Hydrogen-Ion Concentration Medical sciences Membranes, Artificial Miscellaneous Pharmacology. Drug treatments
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Beschreibung
Zusammenfassung:	A biosensor has been developed for the purpose of directly analysing aspartate in pharmaceutical formulations and aspartame in sweeteners. This biosensor consists of an ammonia-sensitive gas-diffusion electrode and the enzyme l-aspartase immobilized by means of polyazetidine on a dialysis membrane.
ISSN:	0731-7085 1873-264X
DOI:	10.1016/0731-7085(95)01257-L