Solution‐Spinning of a Collection of Micro‐ and Nanocarrier‐Functionalized Polysaccharide Fibers

Continuous polysaccharide fibers and nonwovens—based on cellulose, hydroxypropyl chitosan, or alginate—containing biopolymeric microcapsules (MC) mesoporous silica nanoparticles (MSN) are prepared using a wet-spinning solution blowing technique. The MCs homogeneously distributed in the fiber matrices whereas MSNs form discrete micron-sized aggregates as demonstrated scanning electron-, fluorescence-, confocal microscopy. By encapsulating model compound pyrene, it is shown that 95% of substance remains during formation process compared to only 7% for nonencapsulated substance. material comprising MC has strong impact release behavior encapsulated pyrene investigated methanol extraction. based poly(l-lactic acid) prove be practically impermeable with no released contrast poly(lactic-co-glycolic which allow diffusion through visualized fluorescence