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Findings on Nanocrystals Reported by Investigators at University of New Brunswick [Cellulose nanocrystals (CNC) as carriers for a spirooxazine dye...

September 9, 2014



Findings on Nanocrystals Reported by Investigators at University of New Brunswick [Cellulose nanocrystals (CNC) as carriers for a spirooxazine dye and its effect on photochromic efficiency]

By a News Reporter-Staff News Editor at Life Science Weekly -- Research findings on Nanocrystals are discussed in a new report. According to news reporting out of Fredericton, Canada, by NewsRx editors, research stated, "Nanocrystalline cellulose (CNC) as a renewable/sustainable material, has received much attention. Herein we studied CNC as carriers for a hydrophobic spirooxazine (SO)-based dye, 1,3-dihydro-1,3,3-trimethylspiro[2H-indole-2,3'-[3-H]naphtha[2,1-b][1,4]oxazine] which may have potential applications in reversible memory photo-devices, textiles, photo-sensitive paper coatings, and inkjet printing inks."

Our news journalists obtained a quote from the research from the University of New Brunswick, "Due to the high cost and water-insolubility of this dye, it is desirable to improve its coloration efficiency and water-dispersibility. The experimental approach was to use CNC as carriers for the SO dye, thus obtaining a stable photochromic dye in aqueous systems. Transmission electron microscope (TEM) observation confirmed that the SO dye adsorbed on the surface of the CNC, which functioned as carriers for the photochromic dye. An impregnation process was adopted to anchor the dye onto cellulosic paper. It was found that the use of CNC resulted in a significant improvement in the SO coloration efficiency. The color stability and fatigue resistance were also studied."

According to the news editors, the research concluded: "The use of CNC as carriers for a hydrophobic compound, its enhancement of associated properties, and its subsequent application were demonstrated."

For more information on this research see: Cellulose nanocrystals (CNC) as carriers for a spirooxazine dye and its effect on photochromic efficiency. Carbohydrate Polymers, 2014;111():419-424. Carbohydrate Polymers can be contacted at: Elsevier Sci Ltd, The Boulevard, Langford Lane, Kidlington, Oxford OX5 1GB, Oxon, England. (Elsevier - www.elsevier.com; Carbohydrate Polymers - www.elsevier.com/wps/product/cws_home/405871)

Our news journalists report that additional information may be obtained by contacting B. Sun, University of New Brunswick, Dept. of Chem Engn, Fredericton, NB E3B 5A3, Canada. Additional authors for this research include Q.X. Hou, Z.B. He, Z.H. Liu and Y.H. Ni (see also Nanocrystals).

Keywords for this news article include: Fredericton, New Brunswick, Canada, North and Central America, Emerging Technologies, Nanocrystal, Nanocrystals, Nanotechnology

Our reports deliver fact-based news of research and discoveries from around the world. Copyright 2014, NewsRx LLC


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Source: Life Science Weekly


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