Research Article

Gold Nanoparticles: Synthesis, Stability Test, and Application for the Rice Growth

Table 4

Zeta potential and size of citrate AuNPs in biobuffer.

Time (hour)Zeta potential (mV)Size 1 (nm)Size 2 (nm)

0−9.5410.178.8
1−10.65.6122.4
2−10.210.191.3
3−10.510.178.8
24−11.413.578.8
72−1111.778.8
168−10.610.178.8