in this paper, some clear dev negatively stained pictures were presented and this provided important information for dev structure biology.
本文获得的清晰dev负染超微结构照片,为该病毒结构生物学的研究提供了重要依据。
the viral particles, negatively stained with 1% uranium acetate, observed under transmission microscope, appeared to be enveloped or unenveloped because of the envelope being damaged.