Figure 4From: Bio-fabrication of gold nanoparticles using aqueous extract of red tomato and its use as a colorimetric sensorTEM micrographs, particle size distribution histogram, and SAED pattern of GNP. (A) TEM micrographs of GNP with tomato extract. (B) Particle size distribution histogram of spherical GNP, and (C) corresponding SAED pattern of GNP.Back to article page