Danaher (NYSE:DHR) announced that it entered into a definitive agreement to acquire Aldevron for approximately $9.6 billion. Fargo, N.D.-based Aldevron, which employs approximately 600 people, manufactures high-quality plasmid DNA, mRNA and proteins to serve biotechnology and pharmaceutical customers across research, clinical and commercial applications. According to a news release, Aldevron will operate as a standalone…