Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Shona M. Duncan"'
Publikováno v:
BioResources, Vol 11, Iss 3, Pp 7490-7499 (2016)
The production of cellulosic biofuels often leaves behind solid residues, which can be converted to useful co-products via chemical modification and processing. The objective of this study was to examine the changes in hydroxyl accessibility of a har
Externí odkaz:
https://doaj.org/article/fdf56060471141c98f5637e51dc1927d
Autor:
Shona M. Duncan, Malek Alkasrawi, Raghu Gurram, Fares Almomani, Amy E Wiberley-Bradford, Eric Singsaas
Publikováno v:
Energies, Vol 13, Iss 18, p 4662 (2020)
Paper mill sludge (PMS) solids are predominantly comprised of cellulosic fibers and fillers rejected during the pulping or paper making process. Most sludges are dewatered and discharged into landfills or land spread at a cost to the mill; creating l
Externí odkaz:
https://doaj.org/article/f8a9f8abeb7041c5b0672ba6b0c9353a
Publikováno v:
Biocatalysis and Agricultural Biotechnology. 14:48-51
The pulp and paper industry produces about 300–350 million tons of paper mill sludge (PMS) annually and majority is disposed of by landfill. PMS contains up to 75% carbohydrates. In this study, PMS was treated by de-ashing, fiber regeneration and e
Autor:
Eric L. Singsaas, Raghu N. Gurram, Shona M. Duncan, Malek Alkasrawi, Nicholas Joshua Lecher, Mohammad Al-Shannag
Publikováno v:
Bioresource Technology. 192:529-539
In this study we investigated the technical feasibility of convert paper mill sludge into fuel ethanol. This involved the removal of mineral fillers by using either chemical pretreatment or mechanical fractionation to determine their effects on cellu
Autor:
Timothy R. Filley, Robert A. Blanchette, Jonathan S. Schilling, Shona M. Duncan, Gerald N. Presley, Joel A. Jurgens
Publikováno v:
International Biodeterioration & Biodegradation. 83:56-62
Brown rot fungi are theorized to use both free radicals and enzymes to degrade wood. If these incompatible agents are employed in sequence (enzymatic after oxidative) in order to avoid interaction, this should be resolvable spatially in rotting wood.
Publikováno v:
BioResources, Vol 11, Iss 3, Pp 7490-7499 (2016)
The production of cellulosic biofuels often leaves behind solid residues, which can be converted to useful co-products via chemical modification and processing. The objective of this study was to examine the changes in hydroxyl accessibility of a har
Lignocellulose modifications by brown rot fungi and their effects, as pretreatments, on cellulolysis
Autor:
Timothy R. Filley, Robert A. Blanchette, Jun Ai, Shona M. Duncan, Ulrike W Tschirner, Jonathan S. Schilling
Publikováno v:
Bioresource Technology. 116:147-154
Brown rot fungi Gloeophyllum trabeum and Postia placenta were used to degrade aspen, spruce, or corn stover over 16 weeks. Decayed residues were saccharified using commercial cellulases or brown rot fungal extracts, loaded at equal but low endoglucan
Autor:
Roberta L. Farrell, Robert A. Blanchette, Shona M. Duncan, Joel A. Jurgens, Brett E. Arenz, Benjamin W. Held
Publikováno v:
Polar Biology. 34:1669-1677
This review summarizes research concerning Antarctic fungi at the century-old historic huts of the Heroic Period of exploration in the Ross Dependency 1898–1917 and fungi in pristine terrestrial locations. The motivation of the research was initial
Autor:
Qing Jing, Jonathan S. Schilling, DeLu Tyler Yin, Shona M. Duncan, Romas J. Kazlauskas, Waleed Wafa Al-Dajani, Ulrike W Tschirner
Publikováno v:
Bioresource Technology. 102:5183-5192
Release of sugars from lignocellulosic biomass is inefficient because lignin, an aromatic polymer, blocks access of enzymes to the sugar polymers. Pretreatments remove lignin and disrupt its structure, thereby enhancing sugar release. In previous wor
Autor:
Jonathan S. Schilling, Shona M. Duncan
Publikováno v:
Enzyme and Microbial Technology. 47:363-371
Understanding the order that enzymes are secreted during lignocellulosic degradation is relevant both to better understanding basic fungal degradation mechanisms and to industrial attempts to control reactions for biofuels production and other biopro