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A new antimicrobial biopolymer dye was synthesized by reaction of quaternary ammonium salt of chitosan and reactive red x-3b. And quaternary ammonium salt of chitosan was produced by grafting glycidyltrimethylammonium chloride on chitosan. The synthesized materials were characterized by Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD),...
A new low-molecular-weight antibacterial dye was obtained by reaction of Reactive Blue 19 and chitosan previously hydrolyzed with H2O2. The compounds were characterized by Fourier-transform infrared spectroscopy, 13C solid-state nuclear magnetic resonance, X-ray photoelectron spectroscopy, X-ray diffraction analysis, and antibacterial, solubility, and dyeing performance tests including color difference...
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