phạm vi ứng dụng của lọc bụi tĩnh điện
Pre formulation studies on microcrystalline cellulose for grouping and predicting their performance in extrusion spheronization
... disintegrate rapidly Avicel® CE-15 Highly thixotropic, provides suspension with Emulsions and suspensions Avicel® RC-591, Avicel® RC 581, good long term stability against phase Avicel® CL-611 separation ... Low moisture grade Very low moisture content Moisture sensitive actives Avicel® PH 103, Avicel® PH 112, Avicel® PH 113 a ® Avicel PH is a registered trademark of FMC Biopolymer, FMC Corporation ... less space in the formulation Results in smaller capsules Avicel® PH 105 Avicel® PH 200 Ceolus® KG 801, Ceolus® KG 802 Avicel® PH 301, Avicel® PH 302 Small particle size grade Large particle size...
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Báo cáo y học: " Acceptability of Carraguard, a candidate microbicide and methyl cellulose placebo vaginal gels among HIV-positive women and men in Durban, South Africa" pps
... study group were invited to participate in a semi-structured in-depth interview (IDI) with an external social scientist within two months of their final study visit All invited males from each ... (within months of the last visit) IDI: - In depth interview Figure Randomization scheme and study assessments Randomization scheme and study assessments At the enrollment visit for women and men, ... "bride price" having been paid), or were in a steady partnership Ninety percent of enrolled women reported having given birth in their lifetime The majority of women (78%) reported having had vaginal...
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Báo cáo khoa học: The crystal structure of annexin Gh1 from Gossypium hirsutum reveals an unusual S3 cluster Implications for cellulose synthase complex formation and oxidative stress response potx
... these regions, as positively charged residues in the close vicinity present a repulsive force While various biochemical reports provide evidence that plant annexins bind calcium ions, it is not ... computational refinement interspersed with visual inspection and manual fitting Subsequently, the alanine residues were replaced by the proper side chains The revised amino acid sequence of Anx(Gh1) ... precipitation is the predominantly observed behaviour For this reason, we were searching for a plant annexin which would crystallize more readily than the previously reported annexin from bell pepper...
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INTERACTIONS OF POLYMERS WITH FIBRILLAR STRUCTURE OF CELLULOSE FIBRES: A NEW APPROACH TO BONDING AND STRENGTH IN PAPER docx
... A Quartz crystal microbalance with dissipation (QCM-D) device provided information on the adsorption behaviour of the polymers, on the viscoelastic properties of the fibril/polymer layer, and ... am grateful to my supervisor Professor Janne Laine for giving me the opportunity to work in the Research Group of Forest Products Surface Chemistry, and secondly, for giving me the freedom towards ... strength additives have not been able to obviate refining, they have provided several advantages not attainable by refining Paper strength additives are commonly divided by purpose into dry and wet strength...
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Báo cáo khoa học: Polysaccharide binding sites in hyaluronate lyase – crystal structures of native phage–encoded hyaluronate lyase and its complexes with ascorbic acid and lactose docx
... be involved in the catalytic activity because residues Gln261, Tyr264 and Arg279 provide a favourable stereochemical environment The enzyme did not show activity when Tyr264 was mutated to Phe264 ... Mishra et al Activity assay X-ray intensity data collection The in vitro activity assay for HylP2 was performed using HA as substrate and ascorbic acid as an inhibitor The activity of the enzyme ... functional activity of HylP2 Ascorbic acid has previously been shown to be a competitive inhibitor of hyaluronidases [12–14] On the basis of this information, we performed an enzyme activity assay...
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Báo cáo khoa học: NMR study of cellulose and wheat straw degradation by Ruminococcus albus 20 pdf
... Ruminococcus albus Appl Environ Microbiol 59, 2631–2637 Shi Y & Weimer PJ (1996) Utilization of individual cellodextrins by three predominant ruminal cellulolytic bacteria Appl Environ Microbiol 62, ... This suggests, as for F succinogenes, a high activity of acetylesterase Free arabinose accumulated in the culture medium with time, showing the activity of the arabinofuranosidase; this result is ... straw at a much higher rate (Fig 3) Previous studies have shown a dominance of F succinogenes S85 over the other fibrolytic rumen species R flavefaciens, Butyrivibrio fibrisolvens and strain of R albus...
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Báo cáo hóa học: " Spatial and temporal dynamics of cellulose degradation and biofilm formation by Caldicellulosiruptor obsidiansis and Clostridium thermocellum" ppt
... spatial interactions of C obsidiansis with cellulose were visualized and compared to C thermocellum This study was undertaken with the goal of providing insights into the mechanisms of microbial cellulose ... four hours for analysis Microscopy Sampled cellulose chads were stained with Syto9 (Invitrogen, Carlsbad, CA) to visualize the distribution of bacterial cells on the cellulose chad surface using ... 2) Measurements from a cross-sectional view indicate that the maximum biofilm thickness in the depression was about 10 μm (Figure 3c) By 48 h, multiple individual depressions had fused (Figure...
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Báo cáo hóa học: " Cellulose fibres, nanofibrils and microfibrils: The morphological sequence of MFC components from a plant physiology and fibre technology point of view" pptx
... fibrils with diameters of approximately 3.5 nm in cotton and bacterial cellulose, thus giving supportive evidence about the basic fibrillar unit in cellulose microfibrils, see also [16] According ... biological processes, involving cellulose synthase complexes in the plasma membrane, exocytosis of cell wall polymers and cortical microtubules [21] It seems to exist sufficient evidences that elementary ... the fibrillation of fibres into individualised microfibrils with diameters less than 100 nm [1] In this context, it is appropriate to introduce in this review a scale that has been widely emphasised...
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Báo cáo hóa học: " Aqueous-Phase Synthesis of Silver Nanodiscs and Nanorods in Methyl Cellulose Matrix: Photophysical Study and Simulation of UV–Vis Extinction Spectra Using DDA Method" docx
... nanoparticles has been traced on-line by UV–vis spectra Noble metal nanoparticles display localized surface plasmon resonance bands (LSPR) in the UV–vis region when the incident light resonates ... nanoparticles are the most interesting because their UV–vis absorption spectrum is dominated by a very intense and narrow absorption band in the near UV and visible region It is well known that the optical ... UV–vis extinction spectra of methyl cellulose (MC)-stabilized silver nanodiscs (Inset shows the colour of the corresponding sols) b DDA-simulated extinction spectra of silver nanodiscs having...
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Project Gutenberg''''s Researches on Cellulose, by C. F. Cross and E. J. Bevan pptx
... PENTOSANES AND FURFURAL-YIELDING CONSTITUENTS GENERALLY VI THE LIGNOCELLULOSES VII PECTIC GROUP VIII INDUSTRIAL AND TECHNICAL GENERAL REVIEW INDEX OF AUTHORS INDEX OF SUBJECTS CELLULOSE INTRODUCTION ... experimentally reviewed and dismissed for the reason that the product retains furfural-yielding groups, which is, from our point of view, a particular recommendation, i.e is evidence of the selective ... or vice versa, it is not open to doubt that scientific men, and especially chemists, are called in these days to lead and follow where industrial evolution is most active There is ample evidence...
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báo cáo khoa học: " Habituation to thaxtomin A in hybrid poplar cell suspensions provides enhanced and durable resistance to inhibitors of cellulose synthesis" potx
... components visualized by ruthenium red staining Fig S4 MapMan overview of significant changes in expression (> 2.0 FC) for genes associated with metabolism in IXBhab cells Fig S5 MapMan overview of ... Natural Resources Canada, Canadian Forest Service, Pacific Forestry Centre, Victoria, BC, Canada V8Z 1M5 2Natural Resources Canada, Canadian Forest Service, Laurentian Forestry Centre, Québec, QC, ... TA As mentioned earlier, there is experimental evidence suggesting that the mode of action of TA resembles that of IXB, although each molecule individually activates a few distinctive responses...
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báo cáo khoa học: " The cellulose synthase superfamily in fully sequenced plants and algae" pps
... Vv/GSVIVP00010208001 0 0 Vv/GSVIVP00006702001 100 Vv/GSVIVP00006719001 Vv/GSVIVP00006712001 79 77 67 61 89 Vv/GSVIVP00006715001 100 97 Vv/GSVIVP00006710001 Vv/GSVIVP00006701001 CslG Vv/GSVIVP00006709001 ... http://www.biomedcentral.com/1471-2229/9/99 Vv/GSVIVP00025913001 100 Vv/GSVIVP00025906001 87 Vv/GSVIVP00025911001 100 Vv/GSVIVP00025905001 50 95 Vv/GSVIVP00025903001 96 Vv/GSVIVP00025901001 98 Vv/GSVIVP00025904001 Pt/estExt_fgenesh1_pm_v1.C_LG_II0205 ... Os09g30120.2 Os09g30120.1 Sb02g027610 Vv/GSVIVP00010950001 Pt/eugene3.00060053 Pt/fgenesh1_pm.C_LG _VI0 00022 82 86 99 Vv/GSVIVP00010948001 Vv/GSVIVP00010947001 Vv/GSVIVP00010945001 43 51 100 64 84 100...
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Báo cáo khoa học: "In vivo and in vitro evaluation of an Acetobacter xylinum synthesized microbial cellulose membrane intended for guided tissue repair" ppt
... polyglycolic acid, cellulose acetate, and others) or of natural origin (type I bovine collagen, porcine type I collagen, bovine type I atecollagen, and others) have been developed and tested, with some ... membrane evaluated in this study was provided by the manufacturer (Bionext; São Paulo, Brazil) It is approved for medical use by the Brazilian Health Agency – ANVISA (register number 80255120001) ... previous preparation of the samples was needed Tissue reaction evaluation Twenty-five male Swiss Albino mice, approximately month old and weighing 25 g were used The animals were randomly divided...
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Chlorine free extraction of cellulose from rice husk and whisker isolation
... substances bonded to microfibril surfaces (Vila, Barneto, Fillat, Vidal, & Ariza, 2011), crystal size of cellulose (Kim, Eom, & Wada, 2010) and the atmosphere environment used (usually nitrogen or air) ... sugarcane bagasse cellulose Carbohydrate Polymers, 67, 182–189 Vila, C., Barneto, A G., Fillat, A., Vidal, T., & Ariza, J (2011) Use of thermogravimetric analysis to monitor the effect of natural laccase ... 100 nm) S.M.L Rosa et al / Carbohydrate Polymers 87 (2012) 1131–1138 behavior as nanofillers for polymer matrices, providing valorization of this worldwide produced agricultural waste Conclusions...
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Adsorption behavior and inhibition corrosion effect of sodium carboxymethyl cellulose on mild steel in acidic medium
... polyester; 0.5 cm2 surface area was in contact with the corrosive media and the electrical conductivity was provided by a copper wire Prior to each experiment, the mild steel surfaces were mechanically ... and 0.04%, respectively (for 250 mL solution consist of 1.0 mol·L−1 HCl and Na-CMC), for the gravimetric experiments in which immersion time for weight loss was 24 h at 298 K All tests were performed ... kV Thousand fold of magnification was applied for all micrographs 2.1 Results and discussion Gravimetric measurement The effect of different concentrations of Na-CMC on the mild steel corrosion...
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Thermochemical conversion of biomass acid catalysed pathways and kinetics of cellulose pyrolysis
... ii SUMMARY v NOMENCLATURE vii ABBREVIATIONS ix LIST OF FIGURES xi LIST OF TABLES xviii CHAPTERS 1 1. Introduction ... density of dry solid biomass, kg/m3 T density of tars, kg/m3 W density of wood, kg/m3 viii ABBREVIATIONS Abbreviation Description AGF 1,6-anhydro-β-D-glucofuranose BTEM Band-Target Entropy Minimisation ... ratio RID refractive index detector S$ Singapore dollars TG thermogravimetry TGA thermogravimetric analyser US$ US dollars UV ultraviolet (1,6-anhydro-3,4-dideoxy-β-D- x LIST OF FIGURES Figure 1.1:...
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Interface studies for microcrystalline silicon thin film solar cells deposited on TCO coated planar and textured glass superstrates
... cells 20 2.4 Review of improving the electrical performance of a μc-Si:H solar cell by introducing a buffer layer at the p/i interface 24 2.5 Review of improving the optical performance ... layers (TCO) serving as contact layers, one boron-doped µc-Si:H layer (p-layer or window layer) serving as a hole collector, one un-doped intrinsic µc-Si:H layer (i-layer) serving as absorber ... layer (n-layer) serving as an electron collector and of a rear-side silver or aluminium layer, serving as a back reflector and as an additional contact layer The typical device architecture of...
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IONIC LIQUIDS FOR CELLULOSE PROCESSING AND CARBON CAPTURE FROM FIRST PRINCIPLES CALCULATIONS TO ATOMISTIC SIMULATIONS
... Rajneesh, Praveen, i Naviyn, Meiyappan, and Jaya Kumar to keep myself sane and also providing me a wonderful atmosphere outside the research life Most important for me is to evince my endless gratitude ... of Contents iii Summary vii List of Tables ix List of Figures xi Abbreviations xviii List of Symbols xxi Chapter Introduction ... could be separated by fractional distillation.24 Viscosity: Viscosity plays a crucial role in the practical applications of ILs Generally, the viscosity of ILs is higher than water and comparable...
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Functional cellulose derivatives and their applications in food and pharmaceutical products
... and viscosity values diminished with the increase in temperature in these gels The least viscous oleogels show a Newtonian liquid behavior, whereas the most viscous ones present a plastic behavior ... Transdermal Drug delivery system : An overview International Journal of Pharmaceutical Sciences Review and Research, 3, 49-54 Li, D., & McHugh, M.A (2004) Solubility behaviour of ethyl cellulose in super ... journal, 6, 30- 42 Vintiloiu, A., & Leroux, J.C (2008).Organogels and their use in drug delivery- a review Journal of Controlled Release, 125, 179–192 19 CHAPTER LITERATURE REVIEW As stated in...
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