Zakerhamidi MS, Tajalli H, Ghanadzadeh A, Milanchian K, Hosseini Nasab N, Moghadam M. Effect of polyacrylamide hydrophilic gel composition on photo-physical behavior of Oxazine 750.
Spectrochim Acta A Mol Biomol Spectrosc 2010;
77:164-169. [PMID:
20537940 DOI:
10.1016/j.saa.2010.04.045]
[Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2010] [Revised: 02/20/2010] [Accepted: 04/30/2010] [Indexed: 05/29/2023]
Abstract
Electronic absorption spectra of Oxazine 750 dye in aqueous solutions and in polyacrylamide hydrogel matrix with different structural composition were studied at room temperature. The transport and the solute-solute interactions of the ionic dye in aqueous solutions across the hydrophilic gels were investigated via exploring spectral properties of the dye-loaded hydrogel. The nature of the dye pair interactions in these media was discussed using the Kasha exciton theory. In addition, the monomer-dimer equilibrium of Oxazine 750 in hydrogels with different compositional percentage has been determined by means of UV-vis spectroscopy and least square fitting methods.
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