Layer-by-layer hyaluronic acid/chitosan polyelectrolyte coated mesoporous silica nanoparticles as pH-responsive nanocontainers for optical bleaching of cellulose fabrics.
Polyelectrolyte multilayer (PEM) films composed of two natural polysaccharides (hyaluronic acid and chitosan) were deposited through layer-by-layer (LbL) assembly on top of biocompatible mesoporous silica nanoparticles (MSNPs). Polyelectrolyte multilayer coated mesoporous silica nanoparticles (PEM-MSNPs) were characterized by using attenuated total reflection-fourier transform infrared spectroscopy (ATR-FTIR), transmission electron microscopy (TEM), scanning electron microscopy (SEM), nitrogen adsorption-desorption isotherms, UV-vis and fluorescence spectrophotometer. A commercially available and industrially used optical brightener, 4,4'-distyrylbiphenyl sulfonate sodium salt (CBSX) was loaded into nanocontainers (CBSX@PEM-MSNPs) to evaluate their use for the pH-sensitive release. The controlled release of CBSX from nanocontainers in response to pH is monitored by using UV-vis and fluorescence spectrophotometer in water and the almost 100% of encapsulated CBSX is released within 2h at pH 7. The increase in both whiteness and total color change at pH 7 on a cellulose fabric demonstrates the great potential of nanocontainers as pH-sensitive whitening agents for optical bleaching of cellulose fabrics.
Konya Food and Agriculture University, Faculty of Engineering and Architecture, Department of Bioengineering, Dede Korkut Mah. Beysehir Cad. No: 9, 42080 Konya, Turkey. Electronic address: deniz.yilmaz@gidatarim.edu.tr.
M Deniz
MD
Yilmaz
D057886:Bleaching Agents / Q000737:chemistry; D002482:Cellulose / Q000737:chemistry* / Q000378:metabolism; D048271:Chitosan / Q000737:chemistry*; D032561:Cotton Fiber; D006820:Hyaluronic Acid / Q000737:chemistry*; D006863:Hydrogen-Ion Concentration; D053758:Nanoparticles / Q000737:chemistry*; D000071228:Polyelectrolytes / Q000737:chemistry*; D012822:Silicon Dioxide / Q000737:chemistry*; D013783:Textile Industry / Q000379:methods*
D057886:Bleaching Agents; D000071228:Polyelectrolytes; D012822:Silicon Dioxide; D002482:Cellulose; D006820:Hyaluronic Acid; D048271:Chitosan
Cellulose fabric; Mesoporous silica nanoparticles; Optical brightener; Polyelectrolyte multilayer; pH responsive