A GC-MS Method for Determination of β-Propiolactone Residues in Inactivated Covid-19 Vaccines
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β-propiolactone is a common inactivator agent used in vaccines. Due to β-propiolactone carcinogenicity, complete hydrolysis of it is necessary to prevent cytotoxicity in mammalian cells. As a result, more attention should be paid to it at the clinic, and it ... ...