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Book Cellulase Production by Trichoderma Reesei on Wheat Straw

Download or read book Cellulase Production by Trichoderma Reesei on Wheat Straw written by and published by . This book was released on 1981* with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Adsorption of Cellulase from Trichoderma Reesei en Wheat Straw

Download or read book Adsorption of Cellulase from Trichoderma Reesei en Wheat Straw written by and published by . This book was released on 1988 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book O S U Theses and Dissertations 1978 1982

Download or read book O S U Theses and Dissertations 1978 1982 written by Oregon State University and published by . This book was released on 1983 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Cellulase Enzyme Production from Trichoderma Reesei

Download or read book Cellulase Enzyme Production from Trichoderma Reesei written by Solomon Sudhakar Magapu and published by . This book was released on 2013-08-30 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Experimental and Theoretical Studies on the Production of Cellulase by Trichoderma Reesei QM9414 Incorporating Particle Size and Filtration Effects

Download or read book Experimental and Theoretical Studies on the Production of Cellulase by Trichoderma Reesei QM9414 Incorporating Particle Size and Filtration Effects written by Audrey McNulty and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Collection of Trichoderma Reesei Cellulase by Foaming

Download or read book Collection of Trichoderma Reesei Cellulase by Foaming written by Qin Zhang and published by . This book was released on 2007 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Facing the current energy crisis, people try to find alternative energy sources. Certain microbes can ferment soluble sugars to ethanol, which is a well known biofuel. Cellulosic biomass is the most abundant renewable resource. Cellulose can be broken down to soluble sugars by the cellulase enzymes produced only by some microbes. The combination of the above two processes, i.e., break-down of cellulose to sugars and conversion of sugars to ethanol, represents a major approach of solving the energy crisis through renewable biological processes. One of the bottle necks of this approach is the relatively high production cost of cellulase. In this research, the main task was to develop a separation process for cellulase using cost-effective and environment-friendly foam-based techniques. First, the foaming properties of the fermentation broth of Trichoderma reesei RUT C-30 were investigated. The experiment results showed that cellulase was not the dominant substance that caused the foaming of the fermentation broth, although the increase of cellulase concentration in the fermentation process appeared to parallel the increase in foaming tendency. Cellulase concentration was found to be only a weakly positive factor contributing to the foaming whereas the presence of cells and solid cellulose powders had negative effects on foaming. The cell wall was found to be hydrophobic according to the study conducted to observe the cells partition between hydrophobic (organic solvent: n-hexadecane) phase and hydrophilic (aqueous) phase. The finding of hydrophobic cell wall was consistent with the observation that the cells would come out with foam in the foaming study. To prevent the cell from being foamed out of the fermentor during the foaming process intended for cellulase collection, the cell immobilization in small (3mm*3mm*3mm) pieces of polyurethane (PU) foams with different porosity and pore size was also investigated. With some of the PU foam materials, the cells could be effectively immobilized and would not be foamed out during the foaming process. Nevertheless, this system did not function well in the typical stir-tank fermentor: the high shear stress present near the tip of the impeller blades appeared to strip the immobilized cells off the PU foam pellets and caused significant subsequent growth of free (not immobilized) cells in the broth. In a subsequent study of cellulase production using cellulose hydrolysate (CH) as the inducing substrate, it was observed that the addition of the hydrolysate resulted in higher enrichment ratios of cellulase concentration in the collected foamate (over the residual concentration in the spent broth). The foaming study was then expanded to include the addition of other cellulase substrates and substrate analogs, such as xylan hydrolysate (XH) and carboxylmethylcellulose (CMC). The results clearly demonstrated the addition of CH, XH and CMC would improve the enrichment and purification of cellulases by foaming. The improvements were attributed to the affinity binding between the substrates/substrate analogs and the cellulase enzymes and the increased partition of the substrate-enzyme complexes to the foam's air-liquid interfaces. To further pursue the above affinity foaming phenomenon for significantly improved collection and, potentially, purification of cellulase, a polymeric foaming agent was designed and synthesized. The polymeric surfactant has two parts, one is the hydrophobic region containing methylmethacrylate (MMA) and methacrylic acid (MAA), the other part is cellobiose, i.e., the substrate of the enzyme to bind with during foaming process. Unfortunately, the foaming ability of this synthetic surfactant was not good enough and its synthesis was complicated. As an easier first step, two glycolipid biosurfactants, sophorolipids and rhamnolipids, were investigated as the possible affinity foaming agents. Both glycolipids had a disaccharide moiety that was expected to bind selectively to the â-glucosidase in cellulase. While sophorolipids did not foam well, rhamnolipids showed great foaming ability and selectivity towards â-glucosidase. The enrichment ratio of â-glucosidase activity in the foamate reached up to 20 in the solutions prepared by cellulase powders (from Sigma). The significant benefits of such affinity foam collection and/or fractionation techniques were clearly shown."--Abstract.

Book Research Progress on Forage Production Processing and Utilization in China

Download or read book Research Progress on Forage Production Processing and Utilization in China written by Fuyu Yang and published by Springer Nature. This book was released on 2022-01-31 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book has 11 chapters which systematically introduce the latest achievements in scientific research and technological application of the forage industry in China, and also cover the laws and polices related to forage production. The main focus of this monograph is the progress of forage science in China. Each chapter in this book contains numerous charts and diagrams further illustrating the impact of development activities in the area. It is the first book in its field and compiled by mobilizing all the research forces in the field of forage grass and under the leadership of China Agricultural University, Lanzhou University, and Sichuan Academy of Grassland Sciences with the support of other related universities and research institutes. China is the largest forage consumption country in the world. Every year, more than 2 billion herbivorous livestock need more than 350 million tons of forage but the supply each year is only 250 million tons. With the policy and financial support of the Central Government, the forage industry in China has been developed rapidly, great progress has been made in the science and technology in forage production, processing, and utilization, and its influence has been increased in the world.

Book Solar Energy Update

Download or read book Solar Energy Update written by and published by . This book was released on 1985 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Pilot Plant Production of Cellulase by Trichoderma Reesei QM9414 and the Effect of Dimethyl Sulfoxide on Cellulase Production by T Reesei MCG77

Download or read book Pilot Plant Production of Cellulase by Trichoderma Reesei QM9414 and the Effect of Dimethyl Sulfoxide on Cellulase Production by T Reesei MCG77 written by Paul J. Whalen and published by . This book was released on 1983 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Cellulase Production by Immobilized Trichoderma Reesei in Continuous Culture

Download or read book Cellulase Production by Immobilized Trichoderma Reesei in Continuous Culture written by Eugene M. Frein and published by . This book was released on 1991 with total page 356 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Enhancement of Cellulase Production from Trichoderma Reesei by Stressing Fermentation Conditions

Download or read book Enhancement of Cellulase Production from Trichoderma Reesei by Stressing Fermentation Conditions written by José Guillermo Figueroa Higueros and published by . This book was released on 1991 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: