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- W4306194633 abstract "Pseudomonas aeruginosa, is one the major causative agents for nosocomial and biofilm mediated infections. The present study is an attempt to disarm the biofilm forming potential of PAO1 using gold nanoparticles biosynthesized from Hemidesmus indicus L. root extract (HiAuNPs). The HiAuNPs were optimally synthesised using 1 mM HAuCl4 at 70 °C for 20 min with a maximum surface plasmon resonance (SPR) at 531 nm. The average size distribution, elemental composition, crystalline nature and the capping of functional biomolecules of HiAuNPs were ascertained by DLS, SEM-EDAX, XRD, FTIR and HPLC analyses respectively. HRTEM identified that HiAuNPs were predominantly hexagonal with an average particle size of 37 nm. The thermal properties of HiAuNPs were studied using thermal gravimetric analysis. The minimum biofilm inhibitory concentration (300 µg/mL) of HiAuNPs greatly mitigated the biofilm-forming ability as well as the virulence factors such as EPS, hydrophobicity index, pyocyanin, swarming motility, surfactant production, catalase and haemolytic activity of PAO1, without affecting its growth. Moreover, HiAuNPs exhibited significant synergistic antibacterial activity with antibiotics. The cytotoxicity assessment unveiled the non-cytotoxic nature of HiAuNPs against the human embryonic kidney cell lines. Thus, the present study reports HiAuNPs as a nontoxic, potent antibiofilm agent against P. aeruginosa." @default.
- W4306194633 created "2022-10-14" @default.
- W4306194633 creator A5019723040 @default.
- W4306194633 creator A5062747765 @default.
- W4306194633 date "2022-11-01" @default.
- W4306194633 modified "2023-09-29" @default.
- W4306194633 title "Bioinspired synthesis of gold nanoparticles from Hemidesmus indicus L. root extract and their antibiofilm efficacy against Pseudomonas aeruginosa" @default.
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- W4306194633 doi "https://doi.org/10.1016/j.procbio.2022.10.018" @default.
- W4306194633 hasPublicationYear "2022" @default.
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