Figure 3From: Biomimetic Synthesis of Gelatin Polypeptide-Assisted Noble-Metal Nanoparticles and Their Interaction StudyHNMR spectra of 0.4% gelatin solution and gelatin-Au colloid at room temperature. (1) 0.4% gelatin solution; (2) gelatin-Au colloid containing 0.4% gelatin and 0.02 M gold nanoparticles synthesized at 80°C; (3) gelatin-Au colloid containing 0.4% gelatin and 0.2 M gold nanoparticles synthesized at 80°C.Back to article page