Separation of Nanoparticles by Gel Electrophoresis According to Size and Shape
Nano Letters2007Vol. 7(9), pp. 2881–2885
Citations Over TimeTop 10% of 2007 papers
Abstract
We demonstrate the separation of gold and silver nanoparticles according to their size and shape by agarose gel electrophoresis after coating them with a charged polymer layer. The separation is monitored optically using the size- and shape-dependent plasmon resonance of noble metal particles and confirmed by transmission electron microscopy (TEM). Electrophoretic mobilities are quantitatively explained by a model based on the Henry formula, providing a theoretical framework for predicting gel mobilities of polymer coated nanoparticles.
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