Strong stabilisation properties of humic substance matrixes for silver bionanocomposites

Abstract

Stability of silver-containing nanocomposites, synthesised from medicinally promising humic substances, has been studied. The nanocomposites obtained possess aggregative stability and conserve their properties for a long time. All compounds have been investigated by physical and chemical methods including electron paramagnetic resonance, plasmon absorption spectroscopy and X-ray diffraction analysis. It is shown that unlike the composites synthesised from humic substances of deeper decomposition, in natural macromolecular matrixes of nanocomposites formed from mud and shale humic substances both 6-14 nm nanoparticles and silver clusters Ag n are generated and stabilised.

Novel Nanobiocomposites Based on Natural Polysaccharides as Universal Trophic Low-Dose Micronutrients

“…Some effect of reducing stress load was observed only under the influence of κ-CG-Mn NCs. This effect can be associated with the antioxidant activity of NCs [ 63 , 64 , 65 , 66 ], primarily due to single-electron transfer, the mechanism of which is discussed in detail in [ 63 ]. NCs with metal-containing nanoparticles, including Mn-oxide-containing nanocrystallites [ 65 ], exhibit antioxidant activity and, at the same time, are able to exhibit antibacterial activity against pathogenic bacteria.…”