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Acid/base properties of beta-blockers and benzodiazepines in sodium dodecyl sulfate micelles. A spectrophotometric and potentiometric study

Title
Acid/base properties of beta-blockers and benzodiazepines in sodium dodecyl sulfate micelles. A spectrophotometric and potentiometric study
Type
Article in International Scientific Journal
Year
1998
Authors
de Castro, B
(Author)
FCUP
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Gameiro, P
(Author)
FCUP
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Guimaraes, C
(Author)
Other
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Lima, JLFC
(Author)
FFUP
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Reis, S
(Author)
FFUP
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Journal
Vol. 87
Pages: 356-359
ISSN: 0022-3549
Publisher: Elsevier
Scientific classification
FOS: Natural sciences > Chemical sciences
Other information
Authenticus ID: P-001-8CR
Abstract (EN): The effect of sodium dodecyl sulfate (SDS) micelles on the acid-base properties of two family of pharmaceutical drugs (beta-blockers and benzodiazepines) at 25 degrees C and I = 0.1 M NaCl have been studied. The characterization of the several solution equilibria for the system drug/SDS micelle solution was performed by potentiometry and spectrophotometry, below and above the critical micelle concentration (cmc). Two widely used models have been applied to quantify the effect of micelles on the pK(a) of the drugs, and the results obtained point to different interactions of each family of drugs with the micelles.
Language: English
Type (Professor's evaluation): Scientific
No. of pages: 4
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