نتایج جستجو برای: 10 cellulose nanowhiskers cnw
تعداد نتایج: 1043648 فیلتر نتایج به سال:
The effects of different alkaline pretreatments on cellulose structural features and accessibility are compared and correlated with the enzymatic hydrolysis of Populus. The pretreatments are shown to modify polysaccharides and lignin content to enhance the accessibility for cellulase enzymes. The highest increase in the cellulose accessibility was observed in dilute sodium hydroxide, followed b...
................................................................................................................................... iii List of publications .................................................................................................................. iv List of publications not included in this thesis ....................................................................... v...
The aim of the paper was to examine the application of regenerated cellulose fibers as a reinforcement material in particleboard production. Single-layer, 10 mm thick panels, with the density of 800 kg/m3 were produced with addition of regenerated cellulose fibers in the range of 0 do 15% by mass during panels’ production. The mechanical and physical parameters of the produced panels were teste...
The determination of cellulase distribution on the surface of cellulose fiber is an important parameter to understand when determining the interaction between cellulase and cellulose and/or the cooperation of different types of cellulases during the enzymatic hydrolysis of cellulose. In this communication, a strategy is presented to quantitatively determine the cellulase colocalization using th...
Clostridium thermocellum JW20 and YM4 both synthesize cellulolytic enzyme complexes, cellulosomes, when grown on medium containing cellulose. Electron microscopic studies showed that, in the early stages of growth of strain JW20, clusters of tightly packed cellulosomes, i.e., polycellulosomes, were located on the cell surface and were bound to cellulose. The polycellulosome was estimated to hav...
(i) Stilbestrol (10 or 20 ppm) increased cellulose digestion by ovine rumen microorganisms in vitro and in vivo but could not be tolerated by wethers at these high levels. (ii) Cholesterol and estrone increased cellulose digestion by rumen microorganisms in vitro (8).
The objective of this study was to investigate the aquatic-toxic effects of glyoxal-containing cellulose ether with four different glyoxal concentrations (0%, 1.4%, 2.3%, and 6.3%) in response to global chemical regulations, e.g., European Union Classification, Labeling and Packaging (EU CLP). Toxicity tests of glyoxal-containing cellulose ether on 11 different microbial strains, Microcystis ae...
Lipitor tablets for oral administration contain 10, 20, 40 or 80 mg atorvastatin and the following inactive ingredients: calcium carbonate, USP; candelilla wax, FCC; croscarmellose sodium, NF; hydroxypropyl cellulose, NF; lactose monohydrate, NF; magnesium stearate, NF; microcrystalline cellulose, NF; Opadry White YS-1-7040 (hypromellose, polyethylene glycol, talc, titanium dioxide); polysorbat...
Cellulose is the most abundant biorenewable material, with a long and well-established technological base.1 Derivitized products have many important applications in the fiber, paper, membrane, polymer, and paints industries. Cellulose consists of polydisperse linear glucose polymer chains (Figure 1) which form hydrogen-bonded supramolecular structures;2 cellulose is insoluble in water and most ...
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