... Chitosan Nano chitosan ZnONPs Antibacterial activity Strengthening Papyrus SEM FTIR Conservation of historical objects of an organic nature, which consider the most observed in museums collections, is represented by papyrus artifacts, paper-based material, textile, parchment, leather, wood...

... in spectra from 300 to 550 using a Shimadzu UV/Vis spectrophotometer. Double-distilled water was used as a control sample. Silver nanoparticles Antibacterial activity TEM Poly (MAA)–chitosan graft copolymer Chemical reduction method Graphical abstract Source: Graphical...

... impart excellent UV protection ability to the dyed samples, and UPF values reached up to 2000. CA dosage influenced the colour characteristics, UV protection and anti-wrinkling performance. The optimum dosage of CA was 7% (Wt.%). In addition, dyed silk fabric showed good antibacterial activity...

... (IR and ¹H-NMR). The dyeing characteristics of these thiophene dyestuffs were evaluated at optimum conditions. Antibacterial activities of the obtained thiophene dyes were studied against some Gram-positive and Gram-negative bacteria. Findings The synthesized thiophene-containing...