Biological Markings in Plant Cells

plant cell
Plant cells tagged with nanoparticles 

Light shines through a plant cell that has been marked with a zinc oxide (ZnO) nanoparticle biological marker, producing both green light and a secondary purple glow. 

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Reporters and Editors

Reporters may freely use this image. Credit format: Image courtesy of Ben Urban, Neogi Laboratory, University of North Texas (2011).