Bacteriophage

filamentous bacteriophage M13

Sample was rotary shadowed with platinum / carbon (95/5 w%)

above: SEM, image was taken with a Philips XL30 ESEM in STEM mode. The contrast was reversed to compare to the TEM image.

below: TEM, image was taken with a Philips CM12 (grains are due to the Pt/C shadowing)