Trimetallic Au/Pt/Ag based nanofluid for enhanced antibacterial response

Effectiveness of Biosynthesized Trimetallic Au/Pt/Ag Nanoparticles on Planktonic and Biofilm Enterococcus faecalis and Enterococcus faecium Forms

“…. The similar results were obtained by Yadav et al [21] for the trimetallic Au/Pt/Ag, where one single absorption peak centered around 527 nm was observed. Also, in the studies of Karthikeya et al [22] the spectrum of dispersion of Au/Pt/Ag trimetallic nanocomposites has revealed an evident single absorbance at 528 nm.…”

“…Although, there have been numerous publications on the biosilver nanoparticles antimicrobial activity and many studies have investigated antibacterial activity of AuNPs and PtNPs, very exiguous reports are available concerning biocidal properties of trimetallic Au/Pt/Ag nanoparticles [47,48]. Yadav et al [21] have observed the synergistic antimicrobial activity of trimetallic Au/Pt/Ag nanoparticlebased nanofluid and this combination exhibited better antibacterial properties than bimetallic and single metallic nanofluid. The Au, Au/Pt and Au/Pt/Ag nanofluids were prepared by microwave irradiation method.…”

Trimetallic Nanoparticles: Greener Synthesis and Their Applications

“…Compared with conventional synthetic approaches, MW-assisted synthesis have some important advantages, including rapid/uniform heating, energy savings, no selective heating of the surface, remarkable yield in shorter synthesis time, high purity of synthesized NPs and small narrow particle size distribution [ 89 ]. In one investigation, the formation, characterization, and synergistic antimicrobial activity of Au/Pt/Ag trimetallic NP-based nano-fluids have been reported [ 40 ]; these trimetallic nano-fluids were fabricated via a greener MW-mediated successive chemical reduction technique. Additionally, the MW irradiation method facilitated the fabrication of trimetallic nanocomposites and nanotubes.…”

“…It was revealed that inhibition responses of trimetallic nanomaterials were higher than monometallic and bimetallic ones, as in the case of Au/Pt/Ag trimetallic nanomaterials synthesized by MW-assisted method ( Figure 17 ). Some important mentioned mechanisms for antibacterial effects of these nanomaterials are the formation of reactive oxygen species (ROS) (as the main cause of cellular death), membrane modifications, and a decrease in ATP level and inhibition of tRNA binding to the ribosome [ 40 ].…”

“…There are several synthetic approaches to prepare multimetallic NPs, namely electrochemical synthesis, chemical, and hydrothermal synthesis, coprecipitation, microemulsion, laser ablation, sol-gel, lithography, gas-phase condensation, microwave (MW) irradiation, mechanical alloying, and solvothermal technologies [ 32 , 33 , 34 , 35 , 36 ]. The literature reveals the preparation of trimetallic NPs as Sn-Zn-Cu [ 37 ], Pt 60 Ni 3 Cu 37 [ 38 ], Au-Pt-Pd [ 39 ], and Au-Pt-Ag [ 40 ], among others (summarized in Table 1 ). For instance, it has been reported that the triblock copolymer Pluronic F127 could facilitate the preparation of Au@Pd@Pt layered core-shell-structured NPs comprising a gold core, palladium inner layer, and outer shell of nanoporous platinum [ 41 ].…”