Fluorescent quantum dot as model imaging probe for studying plant uptake, systemic mobility, localization in plant tissue and potential fate of ultra-small nanoparticles

S. Das, J. Tharkur, L. Tetard, A. Gesquiere, S. Santra
University of Central Florida,
United States

Keywords: quantum dot, nanoparticle, plant uptake, fate, mobility, bioimaging, nanotoxicity


Semiconductor fluorescent quantum dots (Qdots) are popularly used as bioimaging taggants in live cell imaging and spectroscopy. In recent years, Qdots taggants are emerging in agricultural applications. Studies are primarily focused on nanotoxicity of ultra-small size water-soluble Qdots in plant systems. In this study, we have developed CdS:Mn/ZnS and ZnS:Mn/ZnS Qdot based model bioimaging probes for studying plant uptake, distribution, localization and potential fate of ultra-small size (