Abstract
Antibacterial cellulose fibers modified with silver nanoparticles were obtained. Silver nanoparticles were enclosed into cellulose fibers using N-methylomorpholine-N-oxide (NMMO) as a direct cellulose solvent as well as the main reducing system of nanoparticles. Silver nanoparticles were generated directly in NMMO as a product of AgNO3 reduction of silver ions. The basic purpose of the research was to examine of the influence of reaction conditions of silver nanoparticles on their size, shape and distribution in the polymer matrix of fibers and consequently on the colour of obtained fibers, as well as on their bioactive activity. The characteristics of the obtained silver nanoparticles were studied using energy dispersive spectroscopy (EDS), transmission electron microscopy (TEM) and dynamic light scattering technique (DLS). Taking into account the potential medical applications of the obtained fibers, their antibacterial activity and cytotoxicity of silver nanoparticles enclosed in fibers were examined in the human (HeLa) and mouse cells (L929).
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