Spectrophotometric studies of sanguinarine- β - cyclodextrin complex formation [Articol]

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dc.contributor.authorBoldescu, Veaceslav
dc.contributor.authorKacso, Irina
dc.contributor.authorBratu, Ioan
dc.contributor.authorDuca, Gheorghe
dc.date.accessioned2018-03-26T12:47:38Z
dc.date.available2018-03-26T12:47:38Z
dc.date.issued2008
dc.description.abstractThe main aim of this study was to investigate the infl uence of pH and the presence of hydrophilic polymer polyvinylpyrrolidone on the formation of sanguinarine-β-cyclodextrin (SANG-β-CD) inclusion complex. Spectrophotometric studies of the SANG-β-CD systems in the presence and without 0.1 % PVP at the pH 5.0 did not show any evidence of the complex formation. However, the same systems showed several obvious evidences at the pH 8.0: the hyperchromic and the hypochromic effects and the presence of the isosbestic point in the region of 200 – 210 nm. The association constants calculated by three linear methods: Benesi-Hildebrand, Scott and Scatchard, were two times higher for the systems with addition of 0.1% PVP than for the systems without it.en
dc.identifier.citationBOLDESCU, V., KACSO, I., et al. Spectrophotometric studies of sanguinarine- β - cyclodextrin complex formation. In: Cemistry Journal of Moldova. 2008, nr.1, pp. 85-88. ISSN 1857-1727.en
dc.identifier.issn1857-1727
dc.identifier.urihttps://msuir.usm.md/handle/123456789/1716
dc.language.isoenen
dc.publisherAcademia de Știinițe a Moldoveien
dc.subjectsanguinarineen
dc.subjectβ -cyclodextrinen
dc.subjectinclusion complexen
dc.subjectUV-vis spectrophotometryen
dc.subjectassociation constanten
dc.titleSpectrophotometric studies of sanguinarine- β - cyclodextrin complex formation [Articol]en
dc.typeArticleen

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