nanoparticles for imaging the protein localization revealed information
that could not be observed previously by conventional imaging
techniques. This study provides a new tool to botanical scientists by
merging areas of materials science, chemistry and plant biology.
The findings are the result of an interdisciplinary research team
including Sathyajith Ravindran of the Chemical and Environmental
Engineering Department; Sunran Kim, Rebecca Martin and Elizabeth M.
Lord of the Botany and Plant Sciences Department; and Cengiz S. Ozkan
of the Mechanical Engineering Department at UC-Riverside.
The results of their collaborative research appeared in an article
titled “Quantum Dots as Bio-labels for the Localization of a Small
Plant Adhesion Protein?and published in the January 2005 issue of
Nanotechnology, and is a featured article at http://nanotechweb.org.
Journal Nanotechnology has an international readership among academic,
government and corporate sectors, and is dedicated to coverage of all
aspects of nanoscale science and technology from a multidisciplinary
Ozkan and his colleagues utilized cadmium selenide (CdSe) quantum dots
coated with zinc sulphide as fluorescent probes. The particles had a
diameter of 6.3 nm. The team terminated the quantum dots with
carboxylic groups by reacting them with mercaptoacetic acid. Then they
conjugated the quantum dots with the amine groups of stigma/stylar
cysteine-rich adhesin (SCA) - a plant polle
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