GUPTA, A.; Pandey, B. C.; Yaseen, M.; Kushwaha, R.; Verma, J.; Chaudhary, P.; Manna, P. P.; Manhas, R. K.; Tiwari, I.; Kumari, N.

In this study, we describe the cytotoxic and antibacterial capabilities of gold nanoparticles (GNPs) synthesized from Dillenia indica leaves. Here we used an environmentally friendly method to synthesize GNPs and then characterized them using techniques such as transmission electron microscopy (TEM) dynamic light scattering (DLS) UV-visible spectroscopy XRD and Fourier transform infrared spectroscopy. The Surface Plasmon Resonance of GNPs was identified by an absorption peak at 533 nm in the UV-visible spectroscopic studies. The biosynthesized GNPs had an average size of 83 nm and were spherical in shape according to TEM examination. It is interesting to note that the biosynthesized GNPs exhibited antibacterial action against a variety of bacterial isolates both Gram-positive and negative. By using an MTT assay growth inhibition and the cytotoxic effect of the synthesized GNPs against Daltons lymphoma cell lines were also evaluated.