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Showing 1-30 of 119 results for "22183" within Papers
T P Chepchak et al.
Mikrobiolohichnyi zhurnal (Kiev, Ukraine : 1993), 75(6), 51-58 (2014-01-24)
The production of cellulolytic enzymes by Fenellia flavipes and Fusarium oxysporum strains in submerged culture with plant residues as carbon source was studied. It was established that the majority of studied strains was able to hydrolyze the filter paper, husk
Rachel A Burton et al.
Current opinion in biotechnology, 26, 79-84 (2014-04-01)
Plant cell walls consist largely of cellulose, non-cellulosic polysaccharides and lignin. Concerted attempts are underway to convert wall polysaccharides from crop plant residues into renewable transport fuels and other valuable products, and to exploit the dietary benefits of cereal grain
Inka Vanwonterghem et al.
The ISME journal, 8(10), 2015-2028 (2014-04-18)
A replicate long-term experiment was conducted using anaerobic digestion (AD) as a model process to determine the relative role of niche and neutral theory on microbial community assembly, and to link community dynamics to system performance. AD is performed by
Eshchar Mizrachi et al.
The New phytologist, 194(1), 54-62 (2012-04-05)
Fast-growing, short-rotation forest trees, such as Populus and Eucalyptus, produce large amounts of cellulose-rich biomass that could be utilized for bioenergy and biopolymer production. Major obstacles need to be overcome before the deployment of these genera as energy crops, including
Sanna Hokkanen et al.
Environmental technology, 35(17-20), 2334-2346 (2014-08-26)
In the present study, microfibrillated cellulose (MFC) was modified by aminopropyltriethoxysilane (APS), hydroxy-carbonated apatite (HAP), or epoxy in order to produce novel nanostructured adsorbents for the removal of hydrogen sulphide (H2S) from the aqueous solutions. Structural properties of the modified
J Chan
Journal of microscopy, 247(1), 23-32 (2011-12-17)
In this review, I ask the question of what is the relationship between growth and the orientations of microtubules and cellulose microfibrils in plant cells. This should be a relatively simple question to answer considering that text books commonly describe
Kevin C-Y Lee et al.
The ISME journal, 8(7), 1522-1533 (2014-01-31)
Most of the lineages of bacteria have remained unknown beyond environmental surveys using molecular markers. Until the recent characterisation of several strains, the phylum Armatimonadetes (formerly known as 'candidate division OP10') was a dominant and globally-distributed lineage within this 'uncultured
Patrick Shahgaldian et al.
Chimia, 67(6), 425-426 (2013-08-16)
Cyclodextrins are cyclic oligomers of glucose; they are widely used in a large range of industrial applications because of their molecular inclusion properties. We used cyclodextrins to prepare different libraries of polymers and tested their ability to selectively recognize pharmaceuticals
Jitka Muzíková et al.
Acta poloniae pharmaceutica, 70(6), 1087-1096 (2014-01-05)
The study evaluates the micronized poloxamers Lptrol micro127 (poloxamer 407) and Lptrol micro 68 (poloxamer 188) as lubricants in combination with the dry binders microcrystalline cellulose and spray-dried lactose. Magnesium stearate was employed as the comparative lubricant. The parameters under
C Wiegand et al.
Journal of wound care, 22(11), 592-592 (2013-11-15)
To test the binding capacity of a hydrokinetic fiber dressing for PMN elastase, MMP-2 and MMP-9 in vitro, and to determine whether testing of dressing material samples in vitro is sufficient to predict the performance of the whole dressing. In
Hosseinali Tabandeh et al.
Pakistan journal of pharmaceutical sciences, 27(3), 495-503 (2014-05-09)
This study was performed to achieve sustained-release Ibuprofen matrix tablets with a zero-order release kinetic while most of the previous formulations have shown Higuchi release kinetic. Considering the results from previous studies, ethyl cellulose, Carbopol 934P, Carbopol 974P, and Pemulen
Nelson Durán et al.
Recent patents on nanotechnology, 6(1), 16-28 (2011-08-31)
This review attempts to visualize the actual impact of nanocellulose-based materials in different areas. A detailed search in recent patent databases on nanocellulose showed the importance of this material, as well as relevant topics concerning its technological preparations to obtain
Mizuho Kunii et al.
Development genes and evolution, 224(1), 25-35 (2013-11-19)
Dictyostelium discoideum is a facultative multicellular amoebozoan with cellulose in the stalk and spore coat of its fruiting body as well as in the extracellular matrix of the migrating slug. The organism also harbors a number of cellulase genes. One
Weihua Wu et al.
Archives of microbiology, 195(12), 823-829 (2013-10-29)
This study investigated the cellular location and the contribution of individual β-glucosidase (BGL) to total BGL activity in Neurospora crassa. Among the seven bgl genes, bgl3, bgl5, and bgl7 were transcribed at basal levels, whereas bgl1, bgl2, bgl4, and bgl6
Ying Deng et al.
Journal of bacteriology, 195(22), 5072-5083 (2013-09-10)
The acs operon of Gluconacetobacter is thought to encode AcsA, AcsB, AcsC, and AcsD proteins that constitute the cellulose synthase complex, required for the synthesis and secretion of crystalline cellulose microfibrils. A few other genes have been shown to be
Wen-Tzu Wu et al.
Food chemistry, 155, 304-310 (2014-03-07)
Mice were fed low-fibre, or that supplemented with soluble fibre (konjac glucomannan, KGM; inulin), or insoluble fibre (cellulose) to determine how these three fibres modulated the acute colonic responses to an azoxymethane (AOM) treatment. Results indicated that KGM and inulin
Johan O Westman et al.
Applied and environmental microbiology, 80(22), 6908-6918 (2014-08-31)
Yeast has long been considered the microorganism of choice for second-generation bioethanol production due to its fermentative capacity and ethanol tolerance. However, tolerance toward inhibitors derived from lignocellulosic materials is still an issue. Flocculating yeast strains often perform relatively well
E A Tsavkelova et al.
Prikladnaia biokhimiia i mikrobiologiia, 48(5), 469-483 (2012-10-30)
Anaerobic microbial conversion of organic substrates to various biofuels is one of the alternative energy sources attracting the greatest attention of scientists. The advantages of biogas production over other technologies are the ability of methanogenic communities to degrade a broad
Feng Xu et al.
Carbohydrate polymers, 94(2), 904-917 (2013-04-03)
The high processing cost of lignocellulosic ethanol is one of the most important barriers to its profitable commercialization. Pretreatments have been used to change the structure of biomass significantly and to improve sugar and ethanol yield. Great efforts have been
Okako Omadjela et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(44), 17856-17861 (2013-10-16)
Cellulose is a linear extracellular polysaccharide. It is synthesized by membrane-embedded glycosyltransferases that processively polymerize UDP-activated glucose. Polymer synthesis is coupled to membrane translocation through a channel formed by the cellulose synthase. Although eukaryotic cellulose synthases function in macromolecular complexes
Functional cellulose beads: preparation, characterization, and applications.
Martin Gericke et al.
Chemical reviews, 113(7), 4812-4836 (2013-04-02)
Jerome M Fox et al.
Nature chemical biology, 9(6), 356-361 (2013-04-09)
The mechanisms of enzyme activity on solid substrates are not well understood. Unlike enzyme catalysis in aqueous solutions, enzyme activity on surfaces is complicated by adsorption steps and structural heterogeneities that make enzyme-substrate interactions difficult to characterize. Cellulase enzymes, which
I N Kurchenko et al.
Mikrobiolohichnyi zhurnal (Kiev, Ukraine : 1993), 75(1), 54-68 (2013-03-23)
It was shown that saprophytic (soil), endophytic and plant pathogenic strains of F. poae under cultivation conditions in the media containing carbon sources from mono- to polysaccharides had different abilities to use them and to accumulate biomass. Maltose, xylose, fructose
Martin Bringmann et al.
Trends in plant science, 17(11), 666-674 (2012-07-13)
Directed plant cell growth is governed by deposition and alterations of cell wall components under turgor pressure. A key regulatory element of anisotropic growth, and hence cell shape, is the directional deposition of cellulose microfibrils. The microfibrils are synthesized by
Diego O Serra et al.
Journal of bacteriology, 195(24), 5540-5554 (2013-10-08)
Morphological form in multicellular aggregates emerges from the interplay of genetic constitution and environmental signals. Bacterial macrocolony biofilms, which form intricate three-dimensional structures, such as large and often radially oriented ridges, concentric rings, and elaborate wrinkles, provide a unique opportunity
Sheh-Hong Lim et al.
Pakistan journal of biological sciences : PJBS, 16(18), 920-926 (2014-02-08)
The aim of this study was to develop an economical bioprocess to produce the fermentable sugars at laboratory scales Using Oil Palm Frond (OPF) as substrate in Solid State Fermentation (SSF). OPF waste generated by oil palm plantations is a
Luiz G P Martins et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(44), 17762-17767 (2013-10-16)
In this paper we explore the direct transfer via lamination of chemical vapor deposition graphene onto different flexible substrates. The transfer method investigated here is fast, simple, and does not require an intermediate transfer membrane, such as polymethylmethacrylate, which needs
Haruka Horino et al.
International journal of systematic and evolutionary microbiology, 64(Pt 4), 1296-1303 (2014-01-16)
An obligately anaerobic bacterial strain designated T-1-35(T) was isolated as a dominant cultivable cellulose-degrading bacterium from soil of a Japanese rice field as an anaerobic filter-paper degrader. Cells of strain T-1-35(T) stained Gram-positive and were non-spore-forming rods with rounded ends
Yang Hu et al.
Wei sheng wu xue bao = Acta microbiologica Sinica, 53(4), 354-362 (2013-07-19)
Use of renewable plant biomass is an active area in current biotechnology research. This report explores the cellulose-degradation system and the factors affecting cellulase gene expression in Chaetomium globosum NK102. In the sequenced genome, we identified 10 cellulase genes by
Nathalie Lavoine et al.
Carbohydrate polymers, 90(2), 735-764 (2012-07-31)
Interest in microfibrillated cellulose (MFC) has been increasing exponentially. During the last decade, this bio-based nanomaterial was essentially used in nanocomposites for its reinforcement property. Its nano-scale dimensions and its ability to form a strong entangled nanoporous network, however, have
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