European Wind Turbine Standards II

J.W.M. Dekker, J.T.G. Pierik

2000 · 16 citations · 0 references

Concepts

Abstract

This investigation presents the greener biomimetic fabrication of neodymium selenide nanoparticles (Nd<sub>2</sub>Se<sub>3</sub> NPs) deploying nitrate-dependent reductase as a reducing (or redox) agent, extracted from the fungus, <i>Fusarium oxysporum</i>. The Nd<sub>2</sub>Se<sub>3</sub> NPs, with an average size of 18 ± 1 nm, were fabricated with the assistance of a synthetic peptide comprising an amino acid sequence (Glu-Cys)n-Gly, which functioned as a capping molecule. Further, the NPs were characterized using multiple techniques such as UV-Vis spectroscopy, fluorescence, dynamic light scattering (DLS), and XRD. The hydrodynamic radii of biogenic polydispersed Nd<sub>2</sub>Se<sub>3</sub> NPs were found to be 57 nm with PDI value of 0.440 under DLS. The as-made Nd<sub>2</sub>Se<sub>3</sub>NPs were water-dispersible owing to the existence of hydrophilic moieties (-NH<sub>2</sub>, -COOH, -OH) in the capping peptide. Additionally, these functionalities render the emulsion highly stable (zeta potential -9.47 mV) with no visible sign of agglomeration which bodes well for their excellent future prospects in labeling and bioimaging endeavors.