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310697

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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
Aiqin Wang et al.
Accounts of chemical research, 46(7), 1377-1386 (2013-02-21)
With diminishing fossil resources and increasing concerns about environmental issues, searching for alternative fuels has gained interest in recent years. Cellulose, as the most abundant nonfood biomass on earth, is a promising renewable feedstock for production of fuels and chemicals.
Roman Brunecky et al.
Science (New York, N.Y.), 342(6165), 1513-1516 (2013-12-21)
Most fungi and bacteria degrade plant cell walls by secreting free, complementary enzymes that hydrolyze cellulose; however, some bacteria use large enzymatic assemblies called cellulosomes, which recruit complementary enzymes to protein scaffolds. The thermophilic bacterium Caldicellulosiruptor bescii uses an intermediate
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
Nicolaj Cruys-Bagger et al.
Biochemistry, 52(49), 8938-8948 (2013-11-16)
Cellobiohydrolases are exoacting, processive enzymes that effectively hydrolyze crystalline cellulose. They have attracted considerable interest because of their role in both natural carbon cycling and industrial enzyme cocktails used for the deconstruction of cellulosic biomass, but many mechanistic and regulatory
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
Anwesha Sarkar et al.
Colloids and surfaces. B, Biointerfaces, 158, 137-146 (2017-07-09)
In this study, we designed emulsions with an oil-water interface consisting of a composite layer of whey protein isolate (WPI, 1wt%) and cellulose nanocrystals (CNCs) (1-3wt%). The hypothesis was that a secondary layer of CNCs at the WPI-stabilized oil-water interface
Bona Kim et al.
Journal of nanoscience and nanotechnology, 13(11), 7454-7458 (2013-11-20)
Silver nanowires have unique electrical, thermal and optical properties, which support their potential application in numerous fields including catalysis, electronics, optoelectronics, sensing, and surface-enhanced spectroscopy. Especially, their application such as catalysts for alkaline fuel cells (AFCs) have attracted much interest
Nasrullah Shah et al.
Carbohydrate polymers, 98(2), 1585-1598 (2013-09-24)
Bacterial cellulose (BC) has received substantial interest owing to its unique structural features and impressive physico-mechanical properties. BC has a variety of applications in biomedical fields, including use as biomaterial for artificial skin, artificial blood vessels, vascular grafts, scaffolds for
Microbiology. No barriers to cellulose breakdown.
Alex Berlin
Science (New York, N.Y.), 342(6165), 1454-1456 (2013-12-21)
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
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
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
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
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
Functional cellulose beads: preparation, characterization, and applications.
Martin Gericke et al.
Chemical reviews, 113(7), 4812-4836 (2013-04-02)
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
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
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
M Keshavarz et al.
Pharmaceutical development and technology, 19(8), 952-959 (2013-10-29)
The rheological and drug release behavior of biopolymer nanocomposite gels based on the cellulose derivatives, formulated as the bioadhesive drug delivery platforms, were investigated. The bioadhesive gel is composed of the microcrystalline cellulose, sodium carboxymethyl cellulose and phosphate buffered saline
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
S Anitha et al.
Carbohydrate polymers, 97(2), 856-863 (2013-09-26)
In this report, ZnO nanoparticles embedded cellulose acetate (CA) fibrous membrane with multifunctional properties have been prepared through electrospinning method. The morphology of the electrospun composite membrane was analyzed by scanning electron microscope (SEM). It was found that the polymer
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
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
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
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
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
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
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
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