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Nanoparticle Imaging

Negative Staining

Bacteriophages- courtesy of Samuel Penziner of the Pride Laboratory-UCSDViruses, proteins, suspensions, nanoparticles are placed on EM grids and can be observed directly by electron microscopy. For better results, samples are negatively stained.

This is the most direct visualization of a purified sample. It informs on preparation concentration and homogeneity and enables structural characterization of the particles.