Durakova Oksana Sergeevna RussiaSaratovRussian Research Anti-Plague Institute "Microbe", 46, Universitetskaya Str., Saratov, 410005, Russiaнаучный сотрудник лаборатории холерных вакцинdurakova92@list.ru, lhv@microbe.ru Author's articles Possibility of Determination of Specific Activity of O-Ag in the Production of Cholera Chemical Vaccine by Dot-Analysis Ecological safety and prospects of development of low-waste technologies in the biotechnology industry