Effect of Biogenic Gold Nanoparticles on Gut Microbiota Composition during Larval-to-Pupal Transition in L.

ABSTRACT: This study investigates the effects of biogenic gold nanoparticles (Au NPs), synthesized using an aqueous leaf extract of , as a feed supplement on the gut microbiota of . The synthesized Au NPs displayed a characteristic peak absorbance at 545 nm in the UV-vis spectrum, indicative of surface plasmon resonance (SPR), a phenomenon typical of Au NPs. Fourier-transform infrared (FTIR) spectra revealed the functional groups responsible for the reduction of Au-(III) to Au(0). The crystallinity of the synthesized Au NPs was checked using TEM and XRD analysis. TEM micrographs further exhibited the quasi-spherical, monodispersed, well-scattered nature of the Au NPs with an average particle size of 34.15 ± 9.45 nm. The presence of (111), (200), (220), and (311) planes in Bragg's reflections confirm

SUBMITTER: Biswas T 

PROVIDER: S-EPMC12268452 | biostudies-literature | 2025 Jul

REPOSITORIES: biostudies-literature