FIELD: medicine.
SUBSTANCE: micropowder, obtained by crushing and dispersion of ordered packings of microspheres SiO2, is subjected to preliminary thermal processing at temperature 750-850°C for 40-60 min, with rate of temperature change within interval 150-200°C/hour and further thermal processing in vacuum at temperature 300-350°C and pressure 0.1-0.5 Pa for 80-100 min, with application as ordered packings of microspheres of synthetic opal matrices with size of microspheres 0.25-0.4 mcm and micropores 0.15-0.3 mcm or natural mineral from silica with opal-like structure with size of microspheres 0.3-4 mcm and micropores 0.5-4 mcm.
EFFECT: invention allows to increase volume of cell mass without replacement of culture medium.
6 dwg, 4 tbl
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| METHOD FOR PRODUCING PLANO-CONVEX TERAHERTZ OPTICAL ELEMENTS FROM SILICA-BASED OPAL | 2021 |
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