2021-08-26 06:32 Both avidin and biotin can bind to proteins (including antigens, antibodies, enzymes, etc.) and fluorescein without affecting the biological activity of the latter. An antibody molecule can couple dozens of biotin or avidin molecules, and avidin or b ... дальше
2020-12-21 20:23 Both avidin and biotin can bind to proteins (including antigens, antibodies, enzymes, etc.) and fluorescein without affecting the biological activity of the latter. An antibody molecule can couple dozens of biotin or avidin molecules, and avidin or b ... дальше