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Articles 1 - 13 of 13
Full-Text Articles in Life Sciences
Conversion Of Cellulose To 5-Hydroxymethylfurfural As Sustainable Energy: A Bibliometric Analysis By Vosviewer, Royyan Faradis, Ardiansyah Bagus Suryanto, Irmina Kris Murwani
Conversion Of Cellulose To 5-Hydroxymethylfurfural As Sustainable Energy: A Bibliometric Analysis By Vosviewer, Royyan Faradis, Ardiansyah Bagus Suryanto, Irmina Kris Murwani
Journal of Environmental Science and Sustainable Development
The developments of the global economy and society impact resources and the environment. This condition requires an alternative to find new, safe, and sustainable energy types. The conversion of cellulose to 5-hydroxymethylfurfural (5-HMF) has become a significant area of research interest. It has triggered the development of research directions related to biomass and energy because it can be an intermediary source for making polymers, solvents, pharmaceuticals, and biofuels. The primary objective of this study is to give a bibliometric analysis of 1753 reports on the development of research on cellulose conversion to 5-HMF from 1965 to 2021. The data were …
Isolation And Characterization Of Cellulose Degrading Microorganisms Generating Electricity Using Microbial Fuel Cell, Lama Fayad, Rania Amer, Ahmad Abd El Nabi, Ali Hammoud, Hoda Yusef
Isolation And Characterization Of Cellulose Degrading Microorganisms Generating Electricity Using Microbial Fuel Cell, Lama Fayad, Rania Amer, Ahmad Abd El Nabi, Ali Hammoud, Hoda Yusef
BAU Journal - Science and Technology
Global warming and the accumulation of organic waste constitute a serious environmental problem. Therefore, microbial fuel cells (MFC) are an eco-friendly device that have significant capability for the production of electricity using biodegradable waste as fuel. Microorganisms used as catalysts in the anode compartment, execute a principal function in operating MFCs. The present study was conducted to isolate and to screen potential bioelectricity generating microorganisms from dumpsite soil samples and also to construct a domestic dual-chambered microbial fuel cell (MFC). Streptomyces fimicarius was found to be the best isolate for the degradation of cellulose and the production of bioelectricity. The …
Effect Of Concentration Of Alkaline Solutions In Production Of Paper Semi-Finished Products From Local Raw Materials, Gulmurot Tokhirovich Zaripov, Yusuf Saidovich Beshimov, Bobomurod Rozimurodovich Normurodov
Effect Of Concentration Of Alkaline Solutions In Production Of Paper Semi-Finished Products From Local Raw Materials, Gulmurot Tokhirovich Zaripov, Yusuf Saidovich Beshimov, Bobomurod Rozimurodovich Normurodov
Scientific reports of Bukhara State University
This article details the production of viscous mass from crushed to a certain size cotton stalks, cereals and reeds related to local types of raw materials, as well as the determination of the hydromodule of the chemical process of formation of a viscous mass. Along with this, the article deeply studied the effect of the state and concentration of chemical compounds leading to swelling on cellulosic raw materials, gives clear facts determining the degree of viscosity of viscous compounds depending on the proportion of interaction of local raw materials and compounds leading to swelling.
Effect Of Alkali Pretreatment On Ultra Micronization Of Cellulose By High Pressure Jet, Liu Ting, Zhang Shao-Ying, Wu Xue, Liu Bin
Effect Of Alkali Pretreatment On Ultra Micronization Of Cellulose By High Pressure Jet, Liu Ting, Zhang Shao-Ying, Wu Xue, Liu Bin
Food and Machinery
In order to reveal the change of cellulose structure and physical property caused by ultra micronization, cellulose power was treated through different concentrations of sodium hydroxide and then broken by using high pressure jet. The microstructure, size and physical properties of microfabrication were explored. After pretreatment with 10% NaOH solution (70 ℃, 1 h) and high pressure jet treatment, the diameter of the crude microfabrication decreases from 5.0~50.0 μm to 0.1~1.0 μm, and the length decreases from 20.0~200.0 μm to 1.0~10.0 μm. The peak value of cellulose particle size distribution curve was reduced from 158.0 μm to 10.0 μm. The …
Evaluation Of Cellulose In Diets With And Without Added Zno On Nursery Pig Performance, J. A. Chance, M. D. Tokach, H. I. Calderón, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Evaluation Of Cellulose In Diets With And Without Added Zno On Nursery Pig Performance, J. A. Chance, M. D. Tokach, H. I. Calderón, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
A total of 1,296 pigs (L337 × 1050; PIC, Hendersonville, TN; initially 10.6 lb) were used in a 42-d study to evaluate the addition of cellulose in diets with and without the inclusion of pharmacological levels of Zn on nursery pig growth performance. Pigs were weaned at approximately 20 d of age and randomly allotted to pens in a randomized complete block design by body weight (BW). Pens of pigs were allotted to 1 of 4 dietary treatments with 27 pigs per pen and 12 replications per treatment. Dietary treatments were arranged in a 2 × 2 factorial with main …
Evaluation Of Biodegradability Characteristics Of Cellulose-Based Film As Per Is/Iso 14855-1, Narayan C. Saha Dr, Gaurav Madhu Dr, Diksha B. Kadu Ms
Evaluation Of Biodegradability Characteristics Of Cellulose-Based Film As Per Is/Iso 14855-1, Narayan C. Saha Dr, Gaurav Madhu Dr, Diksha B. Kadu Ms
Journal of Applied Packaging Research
Biodegradable polymers (especially those derived from plant sources) begin their lifecycle as renewable resources, usually in the form of starch or cellulose. In this paper, the evaluation of biodegradability of cellulose-based polymer film under controlled composting conditions as per the guidelines of IS/ISO 14855 (Part-1) standard has been described. Microcrystalline cellulose (MCC) powder was taken as positive-control polymer. The apparatus used to analyse the degree and rate of biodegradation was developed indigenously. The validation of the biodegradability testing apparatus was also performed as per the prescribed test method given in IS/ISO 14855-1.
Wrinkled Surface On Helical Cell Wall Thickening Of Vessel Elements In Flower Style, Ming Xing, Jian You, Xia Chen
Wrinkled Surface On Helical Cell Wall Thickening Of Vessel Elements In Flower Style, Ming Xing, Jian You, Xia Chen
Turkish Journal of Botany
In the present study, wrinkled surfaces were discovered on the cell wall thickenings of helical vessels in the lilac style for the first time. The structure of the wrinkles was formed by cellulose microfibrils, with convex ridges composed of crystalline cellulose and concave grooves composed of amorphous cellulose. The cellulose microfibrils were oriented with the helical cell wall thickenings. The wrinkle morphology was due to the aligned crystalline region of the microfibrils. The wrinkle structure in the flower style might be related to the faster growth rate of style tissues during helix cell wall thickening development. Discovery of the wrinkled …
Multivariate Statistical Analyses For Studying Kenaf Germination, Growth, And Fiber Production Under Salinity Constraint, Rekaya Ayadi, Rayda Ben Ayed, Nejla Lassoued, Hichem Ben Salem, Mohamed Larbi Khouja, Lamia Hamrouni, Mohsen Hanana
Multivariate Statistical Analyses For Studying Kenaf Germination, Growth, And Fiber Production Under Salinity Constraint, Rekaya Ayadi, Rayda Ben Ayed, Nejla Lassoued, Hichem Ben Salem, Mohamed Larbi Khouja, Lamia Hamrouni, Mohsen Hanana
Turkish Journal of Agriculture and Forestry
It is due to the lack of renewable fiber sources for industrial purposes that the need for finding available and alternative material has become imperative. Kenaf (Hibiscus cannabinus L.), a fast-growing industrial crop, would be a potential solution for valorizing salinized lands and/or soils irrigated with saline water. With the aim of selecting and valorizing salt-tolerant species with high fiber yields and industrial values, we launched the assessment of the performance of kenaf culture (var. Guangdong 743-2) under salinity constraints. Germination and vegetative stages were considered in the present study to better evaluate the whole life cycle of the species. …
Effects Of Insoluble Fiber Source (Cellulose Or Distillers Dried Grains With Solubles) On Growth Performance Of Nursery Pigs, H. S. Cemin, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Effects Of Insoluble Fiber Source (Cellulose Or Distillers Dried Grains With Solubles) On Growth Performance Of Nursery Pigs, H. S. Cemin, M. D. Tokach, S. S. Dritz, J. C. Woodworth, J. M. Derouchey, R. D. Goodband
Kansas Agricultural Experiment Station Research Reports
A total of 3,171 weanling pigs (PIC 327 × L42) with an initial body weight (BW) of 12.7 lb were used in a 39-d study with 66 or 67 pigs per fence-line feeder (experimental unit) and 12 replicates per treatment. Pens were blocked by BW and allotted to 1 of 4 dietary treatments in a randomized complete block design. The treatment structure was a 2 × 2 factorial with 0 or 1% cellulose (Arbocel, J. Rettenmaier USA, Schoolcraft, MI) and distillers dried grains with solubles (DDGS; 0 or 5% in Phase 1 and 0 or 15% in Phase 2). Dietary …
Production Of 2,3-Butanediol By Enterobacter Cloacae From Corncob-Derived Xylose, Cuiying Zhang, Wei Li, Dongsheng Wang, Xuewu Guo, Lijuan Ma, Dongguang Xiao
Production Of 2,3-Butanediol By Enterobacter Cloacae From Corncob-Derived Xylose, Cuiying Zhang, Wei Li, Dongsheng Wang, Xuewu Guo, Lijuan Ma, Dongguang Xiao
Turkish Journal of Biology
During the process of industrial production of biofuels and biochemicals from lignocellulosic biomass, large amounts of waste byproducts rich in xylose are generated, resulting in excessive wastage of natural resources and environmental pollution. In this work, xylose solution from corncob hydrolysate was utilized to produce 2,3-butanediol (2,3-BD), using the strain Enterobacter cloacae CICC 10011 to improve the utilization rate of hemicellulose and reduce environmental pollution. 2,3-BD fermentation conditions were subsequently developed. Xylose solution and (NH4)2HPO4, selected with the Plackett-Burman experiment, were determined as significant independent variables to conduct a response surface experiment. With the optimized medium, 50.02 g/L 2,3-BD production …
Enhanced Enzymatic Xylose/Cellulose Fractionation From Alkaline Liquor-Pretreated Corn Cob By Surfactant Addition And Separate Fermentation To Bioethanol, Yefu Chen, Xinxin Zhang, Shijie Zhang, Weijun Qin, Changhui Guo, Xuewu Guo, Dongguang Xiao
Enhanced Enzymatic Xylose/Cellulose Fractionation From Alkaline Liquor-Pretreated Corn Cob By Surfactant Addition And Separate Fermentation To Bioethanol, Yefu Chen, Xinxin Zhang, Shijie Zhang, Weijun Qin, Changhui Guo, Xuewu Guo, Dongguang Xiao
Turkish Journal of Biology
Xylanase xylose/cellulose fractionation can efficiently improve the utilization of xylose and cellulose. Improvement of xylanase performance during hemicellulose hydrolysis can increase xylose/cellulose fractionation efficiency. To utilize xylose and cellulose efficiently, an enzymatic xylose/cellulose fractionation and a separate fermentation bioethanol process were performed. Alkaline liquor-pretreated corn cob was subjected to xylose/cellulose fractionation with xylanase in the presence or absence of the following mixed surfactants: polyoxyethylene(20)-sorbitan-monooleate (0.15% v/v), polyethylene glycol 6000 (0.15% w/v), bovine serum albumin (0.15% w/v), and rhamnolipid (0.005% v/v). The hemicellulose hydrolysis yield (HHY) in the presence of mixed surfactants was 70.5%, which was 66% higher than that of …
Crystalline Structure Properties Of Bleached And Unbleached Wheat Straw (Triticum Aestivum L.) Soda-Oxygen Pulp, Esat Gümüşkaya, Mustafa Usta
Crystalline Structure Properties Of Bleached And Unbleached Wheat Straw (Triticum Aestivum L.) Soda-Oxygen Pulp, Esat Gümüşkaya, Mustafa Usta
Turkish Journal of Agriculture and Forestry
In this study, the crystallinity index and crystallite size of wheat straw powder, soda-oxygen pulp and soda oxygen pulp bleached with hypochlorite (H) and hypochlorite and peroxide (HP) sequences were determined using an x-ray diffractometer method. The crystallinity indexes of these pulp samples were found to be 45.61%, 52.00%, 52.60% and 54.11%, respectively. The crystallite sizes of these pulp samples were also determined and were 6.4 nm, 3.4 nm, 4.3 nm and 4.6 nm, respectively. On the other hand, the crystallinity index and crystallite size of holocellulose, cellulose and alpha-cellulose in wheat straw were then found to be 65.00%, 55.20% …
Effects Of Lignification, Cellulose Crystallinity And Enzyme Accessible Space On The Digestibility Of Plant Cell Wall Carbohydrates By The Ruminant, M. S. Kerley, G. C. Fahey Jr., J. M. Gould, E. L. Iannotti
Effects Of Lignification, Cellulose Crystallinity And Enzyme Accessible Space On The Digestibility Of Plant Cell Wall Carbohydrates By The Ruminant, M. S. Kerley, G. C. Fahey Jr., J. M. Gould, E. L. Iannotti
Food Structure
Intrinsic characteristics of plant cell walls limiting susceptibility of structural carbohydrates to microbial attack in the ruminant's gastrointestinal tract are lignification of the cell wall, covalent bonding of phenolic acids to cell wall polysaccharides, the crystalline structure of cellulose and limited fibrolytic enzyme accessible space. The exact mechanism by which or degree to which each of these characteristics affect rate and/or extent of cell wall polysaccharide hydrolysis by gastrointestinal tract microbes is not well understood. Lignification and limited enzyme accessible space probably affect the extent of cell wall degradation by preventing contact between microbial enzymes and cell wall polysaccharides. Phenolic …