Encapsulation of diagnostic dyes in the polysaccharide matrix modified by carbon nanotubes

The effect of carbon nanotubes (CNTs) on the morphology and properties of alginate hydrogel was studied. The addition of CNTs leads to a change in the structural characteristics of the hydrogel, which is expressed in a decrease in the pore size and gaining a more uniformity by the internal structure...

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Bibliographic Details
Published in:Russian chemical bulletin 2020-03, Vol.69 (3), p.590-595
Main Authors: Bogdanova, L. R., Makarova, A. O., Zueva, O. S., Zakharova, L. Ya, Zuev, Yu. F.
Format: Article
Language:English
Subjects:
Alginates
Carbon nanotubes
Cationic dyes
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Diagnostic systems
Drug delivery systems
Dye releases
Dyes
Encapsulation
Full Articles
Hydrogels
Inorganic Chemistry
Morphology
Organic Chemistry
Polysaccharides
Pore size
Porosity
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Summary:The effect of carbon nanotubes (CNTs) on the morphology and properties of alginate hydrogel was studied. The addition of CNTs leads to a change in the structural characteristics of the hydrogel, which is expressed in a decrease in the pore size and gaining a more uniformity by the internal structure. To study the encapsulating properties of the designed compositions, a set of dyes was used that are traditionally applied for testing the drug release rate. It was found that the CNTs do not affect the efficiency of inclusion and the release rate of the anionic and neutral dyes. The change in the kinetics of cationic dye release is caused by the reinforcing effect of the CNTs on the alginate hydrogel and a change in its morphological characteristics.
ISSN:1066-5285
1573-9171
DOI:10.1007/s11172-020-2803-x