AFM BASED ANALYSIS OF THE MATERIAL PROPERTIES OF GALLID HERPESVIRUS 1

(CHICKEN HERPES)

Casey Ross Mullikin

Graduate Mentor: Brock Schulte

Faculty Mentor: Dr. Steve Tung

Atomic Force Microscope (AFM) Setup Schematic

http://en.wikipedia.org/wiki/File:Atomic_force_microscope_block_diagram.png

Equipment

AFM

Scanner

Scanner Nose Cone

Si-Pt Conductive Cantilever Tip

Cantilever Tip

Cantilever Dimensions 200 μm long 40 μm wide 1 μm thick

Tip Radius 8 nm

100 μm = width of a human hair

http://en.wikipedia.org/wiki/File:AFM_(used)_cantilever_in_Scanning_Electron_Microscope,_magnification_1000x.GIF

Typical AFM Virus Scan

Topographic Scan

Virus Topography

Average Width200-400 nm

Average Height10 nm

H

W

Questions