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- W4308496044 abstract "BACKGROUND: Despite the large-scale development of vaccines against coronavirus infection, there is still no complete information about the antigenic structure of the SARS-CoV-2 virus particles. This article describes a method of obtaining a pure concentrated whole-virion sample that can be used in various studies.
 AIM: The goal is to develop an optimal method of purification of the inactivated SARS-CoV-2 virus in order to obtain a standard with parameters of purity and antigen content sufficient for structural and immunological studies.
 MATERIALS AND METHODS: To obtain a pure concentrated virus SARS-CoV-2 we used the sucrose density gradient ultracentrifugation. Fractions with the highest content of viral particles were evaluated based on the concentration of nucleocapsid N and glycoprotein S. The purity of the pooled fractions (the purified sample) was evaluated by the presence of impurity proteins, toxins and bovine serum albumin.
 RESULTS: The optimal conditions for obtaining the inactivated purified SARS-CoV-2 whole virus were determined. A standard sample of the inactivated SARS-CoV-2 virus was isolated and characterized.
 CONCLUSIONS: The obtained standard sample can be used in enzyme immunoassay to measure the amount of antigen in whole-virion vaccines against coronavirus infection, as well as in various structural studies of SARS-CoV-2 virus particle." @default.
- W4308496044 created "2022-11-12" @default.
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- W4308496044 date "2022-11-06" @default.
- W4308496044 modified "2023-09-27" @default.
- W4308496044 title "Method of obtaining purified SARS-CoV-2 antigen for structural and immunological studies in whole-virion vaccines against coronavirus infection" @default.
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- W4308496044 doi "https://doi.org/10.17816/maj108681" @default.
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