منابع مشابه
Functionalization of Cellulose: Synthesis of Water-soluble Cationic Cellulose Derivatives
One of the trends of modern cellulose chemistry is the functionalization of known cellulose derivatives in order to expand their application area. In this work, water-soluble cationic cellulose derivatives containing up to 4% coupled nitrogen were obtained by the amination of hydroxyethylcellulose (HEC) with two different etherification agents, diethylepoxypropylamine (DEEPA) and (2-chlorethyl)...
متن کاملSynthesis, Characterisation and Flocculation Properties of Carboxymethyl Cellulose-g Acrylamide
Graft copolymers of acrylamide on carboxymethyl cellulose (d.s 0.4-0.5) were prepared by the use of ceric ion, ceric ion/reductant molecule initiator systems in aqueous medium. The graft copolymers were characterized by IR spectroscopy. The extent of graft copolymerisation was measured in terms of grafted chains as a function of both ceric ion and ceric ion/reductant molecule concentrations. It...
متن کاملCellulose synthesis in higher plants.
Cellulose microfibrils play essential roles in the organization of plant cell walls, thereby allowing a growth habit based on turgor. The fibrils are made by 30 nm diameter plasma membrane complexes composed of approximately 36 subunits representing at least three types of related CESA proteins. The complexes assemble in the Golgi, where they are inactive, and move to the plasma membrane, where...
متن کاملCellulose synthesis and its regulation.
Cellulose, the most abundant biopolymer synthesized on land, is made of linear chains of ß (1-4) linked D-glucose. As a major structural component of the cell wall, cellulose is important not only for industrial use but also for plant growth and development. Cellulose microfibrils are tethered by other cell wall polysaccharides such as hemicellulose, pectin, and lignin. In higher plants, cellul...
متن کاملCellulose synthesis: Cloning in silico
Cell walls are of interest to plant biochemists and cell biologists for two main reasons: they regulate cellular morphogenesis and act as structural support materials. As it is a major component of plant cell walls and a natural product of considerable commercial value, cellulose has long been a focus of interest in cell-wall biology, although it is far from the only constituent of cell walls. ...
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ژورنال
عنوان ژورنال: Trends in Glycoscience and Glycotechnology
سال: 1996
ISSN: 0915-7352,1883-2113
DOI: 10.4052/tigg.8.441