By: Susan Jacobson, Orlando Sentinel Swadeshmukul Santra, Ph.D., an associate professor of chemistry who works in UCF’s NanoScience Technology Center, invented a zinc-based liquid that is being considered as a treatment for deadly citrus greening. Santra invented Zinkicide in 2013. The bactericide, composed of zinc and undisclosed other ingredients, is being sprayed on citrus trees in […]