Chitosan Molecular Weight Effects on The Synthesis of Gold Nanoparticles and Catalytic Degradation of Environmental Pollutants
Journal Title: JOURNAL OF ADVANCES IN PHYSICS - Year 0, Vol 14, Issue 2
Abstract
a microwave as a heating source. Since, Chitosan acts as a reducing and stabilizing agent. The as-synthesized Au NPs were characterized by transmission electron microscopy (TEM) images and selected area electron diffraction patterns (SAED). Furthermore, the Au NPs fabrication was ascertained by UVVisible spectroscopy (UVis) through the detection of the localized surface plasmon resonance (LSPR) characteristic peak, X-ray powder diffraction (XRD), and energy dispersive X-Ray Spectroscopy (EDS). The formation of the Au NPs was confirmed by the detection of a LSPR peak at 518527 nm in the UVVis spectrum. In addition, the XRD studies depicted that the obtained Au NPs were highly crystalline with face-centered cubic geometry. Moreover, TEM micrographs showed that the most Monodispersed AuNPs was synthesized with low molecular weight (LMW) Chitosan with particle size 4.48±0.09 nm. The synthesized Chitosan-Au nanocomposite exhibited an efficient catalytic property in the reduction of two organic environmental pollutants which are, 4-nitrophenol (4-NP) and methyl orange (MO) dye in the presence of sodium borohydride (NaBH4).
Authors and Affiliations
Hosam Salaheldin Ibrahim
Keywords
Related Articles
- EP ID EP653420
- DOI 10.24297/jap.v14i2.7347
- Views 82
- Downloads 0
Implication on Our Universe of Pressure Exerted By Multiverses in Multiple Dimensions
Recent experiments have provided scientific basis for the existence of multiverses - multiple physical universes located in space. String theory coupled with experiments with the quantum machine experiment further positi...
THE NOTHING THAT REALLY IS!
The denial of the existence of contradiction is at the root of all idealism in epistemology and the cause for alienations.This alienation has become a hindrance for the understanding of the nature and the historical evol...
Non-Newtonian analysis of blood-flow
The flow of blood is a non-Newtonian phenomenon, best described by Bingham fluids. We have given the basic balance equations and criteria. Due to the huge variation of the vessel diameters and consequently the complete f...
Enhancement of MRI Imaging by Combining Ramp Sampling and Parallel Imaging Techniques in Cerebral Tumors
Our aim was to decrease geometric distortion artifact in DWI on brain by using different MR techniques such as ramp sampling and parallel imaging. The study was done on 15 patients, They were subject to routine brain MRI...
Newton &-vs Lorentz
Is there a point of divergence between Classical Mechanics and Electromagnetism? This discrepancy is raised by many authors and arises between Newton's third law and the equation of Lorentz forces. Due to the transcenden...