Della-Porta A J, Westaway E G
Appl Microbiol. 1972 Jan;23(1):158-60. doi: 10.1128/am.23.1.158-160.1972.
Antigens in infected cell culture fluids can be easily concentrated by polyethylene glycol precipitation to yield suitable hemagglutinating and complement-fixing antigens for several togaviruses.
感染细胞培养液中的抗原可通过聚乙二醇沉淀轻易浓缩,从而为几种披膜病毒产生合适的血凝和补体结合抗原。