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  • Title: Spectroscopic and electrochemical study of Rose Bengal in aqueous solutions of cyclodextrins.
    Author: Fini P, Longobardi F, Catucci L, Cosma P, Agostiano A.
    Journal: Bioelectrochemistry; 2004 Jun; 63(1-2):107-10. PubMed ID: 15110258.
    Abstract:
    The interaction of Rose Bengal (RB) in aqueous solution of LiClO4 0.1 M with alpha-cyclodextrin (alpha-CD), hydroxypropyl-beta-cyclodextrins (HP-beta-CD) and hydroxypropyl-gamma-cyclodextrins (HP-gamma-CD) were studied by spectrophotometric measurements. The presence of Induced Circular Signals and the results of the analysis of the modifications in the absorbance spectra of RB produced by the presence of CDs in solution indicate that RB forms inclusion complexes only with HP-beta-CD and with HP-gamma-CD.
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