Abstract
Gels, microgels, and matrices were prepared based on a previously developed recombinant spidroin, 1F9, produced by Saccharomyces cerevisiae yeast strain; their physical, chemical, and biological properties were investigated. It was shown that microgels obtained from 2.5% hydrogel are sized in the range of 50–300 μm, with a predominance of particles of 50–150 μm in diameter. The microgel particles were stable in neutral, acidic, and alkaline media; the destruction of 50% (wt.) of the particles occurred in corrosive media (Fenton’s reagent) within three weeks. The microgel surface, which was studied by laser scanning confocal microscopy and scanning electron microscopy, has a complex relief in which there are both nano-(250–400 nm) and microstructures (3–7 μm). It was shown that particles of both microgel and matrices are capable of adhesion and support the proliferation of 3T3 murine fibroblasts in vitro.
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Abbreviations
- EDTA:
-
ethylenediaminetetraacetate
- EP:
-
electrophoresis
- PAAG:
-
polyacrylamide gel
- PBS:
-
phosphate buffer solution
- SDS:
-
sodium dodecylsulfate
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Original Russian Text © V.G. Bogush, L.I. Davydova, M.M. Moisenovich, K.V. Sidoruk, A.Yu. Arkhipova, D.G. Kozlov, I.I. Agapov, M.P. Kirpichnikov, V.G. Debabov, 2014, published in Biotekhnologiya, 2014, No. 1, pp. 52–61.
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Bogush, V.G., Davydova, L.I., Moisenovich, M.M. et al. Characterization of biodegradable cell micro and macro carriers based on recombinant spidroin. Appl Biochem Microbiol 50, 780–788 (2014). https://doi.org/10.1134/S000368381408002X
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DOI: https://doi.org/10.1134/S000368381408002X