Fig. 1

Transmission electron micrograph of negatively stained CpV-BQ1. The scale bar is 100Â nm, and the diameter of the bottom particle, when measured diagonally from the top right apex to the bottom left, is 110Â nm
Transmission electron micrograph of negatively stained CpV-BQ1. The scale bar is 100Â nm, and the diameter of the bottom particle, when measured diagonally from the top right apex to the bottom left, is 110Â nm