Figure 1

Characterization of antibody-gold/SWCNT. The TEM images of gold nanoparticle (A), SWCNT (B), antibody-gold conjugate (C) and antibody-gold/SWCNT (D). Yellow arrow:SWCNT, red arrow:gold nanoparticle. UV/Vis spectra of colloidal gold (E) and the antibody-gold/SWCNT conjugate (F).