Ms. Margaritov was born in Buffalo, N.Y. and grew up in Hightstown, N.J. She graduated from the University of Arizona in 1976.
For the past seven year, she worked at Ventana Systems as a senior manufacturing associate. She was senior team member in the assay development support services and served as antibody core team representative for new product development.
She is survived by her husband of 38 years, Robert Allen of Oracle, and her sons, Joel Allen and Andrew Allen, both of Tucson.
A memorial service will be held in Oracle on Sunday, July 27.