Influence of natural polysaccharides on the morphology and properties of hybrid vaterite microcrystals

Co-precipitation of biopolymers into calcium carbonate crystals changes their physicochemical and biological properties. This work studies hybrid microcrystals of vaterite obtained in the presence of natural polysaccharides, as carriers for the delivery of proteins and enzymes. Hybrid microcrystals...

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Published in:Heliyon Vol. 10; no. 13; p. e33801
Main Authors: Balabushevich, Nadezhda G., Maltseva, Liliya N., Filatova, Lyubov Y., Mosievich, Daniil V., Mishin, Pavel I., Bogomiakova, Margarita E., Lebedeva, Olga S., Murina, Marina A., Klinov, Dmitry V., Obraztsova, Ekaterina A., Kharaeva, Zaira F., Firova, Roxalana K., Grigorieva, Daria V., Gorudko, Irina V., Panasenko, Oleg M., Mikhalchik, Elena V.
Format: Journal Article
Language:English
Published: England Elsevier Ltd 15-07-2024
Elsevier
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Summary:Co-precipitation of biopolymers into calcium carbonate crystals changes their physicochemical and biological properties. This work studies hybrid microcrystals of vaterite obtained in the presence of natural polysaccharides, as carriers for the delivery of proteins and enzymes. Hybrid microcrystals with dextran sulfate, chondroitin sulfate, heparin, fucoidan, and pectin were obtained and compared. The impact of polysaccharides on the morphology (particle diameter, surface area, nanocrystallite and pore size), polysaccharide content and surface charge of hybrid microcrystals was studied. Only microcrystals with fucoidan and heparin exhibited antioxidant activity against •ОН radical. The surface charge and pore size of the hybrid microcrystals affected the sorption of albumin, catalase, chymotrypsin, mucin. A decrease in the catalytic constant and Michaelis constant was observed for catalase sorbed on the hybrid crystals. The biocompatibility of microcrystals depended on the nature of the included polysaccharide: crystals with sulfated polysaccharides increased blood plasma coagulation but not platelet aggregation, and crystals with dextran sulfate had the greatest cytotoxicity against HT-29 cells but not erythrocytes. Hybrid microcrystals with all polysaccharides except chondroitin sulfate reduced erythrocyte lysis in vitro compared with vaterite crystals. The obtained results enable to create novel carriers based on hybrid vaterite crystals with polysaccharides, beneficial for the delivery of protein drugs. [Display omitted] •Hybrid microcrystals of vaterite with natural polysaccharides were obtained by spontaneous crystallization.•Diameter, morphology, charge, antioxidant properties of hybrid microcrystals depended on the nature of polysaccharides.•The surface charge and pore size of the hybrid microcrystals influenced sorption of mucin and proteins and enzyme activity.•Microcrystals differed in the effects on plasma coagulation, platelet aggregation, erythrocytes lysis and HT-29 cells.•The use of different polysaccharides improves the properties of hybrid microcrystals of vaterite, incorporation of target proteins and biological activity.
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ISSN:2405-8440
2405-8440
DOI:10.1016/j.heliyon.2024.e33801