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Enzyme digestion of biofiber from mechanical heat treated municipal solid waste: Accessing kinetic and rheological design data using a pilot-scale high-solids mixer (2020)
Journal Article
Ibbett, R., Tucker, G., McKechnie, J., & Meng, F. (2020). Enzyme digestion of biofiber from mechanical heat treated municipal solid waste: Accessing kinetic and rheological design data using a pilot-scale high-solids mixer. Biomass and Bioenergy, 143, Article 105817. https://doi.org/10.1016/j.biombioe.2020.105817

© 2020 Mechanical heat treatment of municipal solid waste offers a route for the production and separation of a biofiber fraction with high organic content, which is a potential source of sugars for biochemical conversion to chemicals and fuels. This... Read More about Enzyme digestion of biofiber from mechanical heat treated municipal solid waste: Accessing kinetic and rheological design data using a pilot-scale high-solids mixer.

Hydro-mechanical processing of brewer's spent grain as a novel route for separation of protein products with differentiated techno-functional properties (2019)
Journal Article
Ibbett, R., White, R., Tucker, G., & Foster, T. (2019). Hydro-mechanical processing of brewer's spent grain as a novel route for separation of protein products with differentiated techno-functional properties. Innovative Food Science and Emerging Technologies, 56, Article 102184. https://doi.org/10.1016/j.ifset.2019.102184

© 2019 Elsevier Ltd Hydro-mechanical processing using a colloid mill with a large gap setting leads to the preferential breakup of the residual aleurone and endosperm tissues of brewer's spent grain, forming a protein rich fines material with small p... Read More about Hydro-mechanical processing of brewer's spent grain as a novel route for separation of protein products with differentiated techno-functional properties.

Understanding the influence of processing conditions on the extraction of rhamnogalacturonan-I “hairy” pectin from sugar beet pulp (2019)
Journal Article
Mao, Y., Lei, R., Ryan, J., Arrutia Rodriguez, F., Rastall, B., Chatzifragkou, A., …Binner, E. (2019). Understanding the influence of processing conditions on the extraction of rhamnogalacturonan-I “hairy” pectin from sugar beet pulp. Food Chemistry: X, 2, Article 100026. https://doi.org/10.1016/j.fochx.2019.100026

Sugar beet pectin is rich in rhamnogalacturonan-I (RG-I) region, which is a potential source of prebiotics. RG-I pectin cannot be extracted the same way as commercial homogalacturan-rich pectin using hot acid. Therefore, this study has explored sever... Read More about Understanding the influence of processing conditions on the extraction of rhamnogalacturonan-I “hairy” pectin from sugar beet pulp.

Process simulation and life cycle assessment of converting autoclaved municipal solid waste into butanol and ethanol as transport fuels (2019)
Journal Article
Meng, F., Ibbett, R., de Vrije, T., Metcalf, P., Tucker, G., & McKechnie, J. (2019). Process simulation and life cycle assessment of converting autoclaved municipal solid waste into butanol and ethanol as transport fuels. Waste Management, 89, 177-189. https://doi.org/10.1016/j.wasman.2019.04.003

In 2015/2016, the total municipal solid waste (MSW) collected by local authority in the U.K. was 26 million tonnes and over 57% is still put into landfill or incinerated. MSW is a promising feedstock for bio-butanol production as it has a high lignoc... Read More about Process simulation and life cycle assessment of converting autoclaved municipal solid waste into butanol and ethanol as transport fuels.

Effect of moisture content on thermal and water absorption properties of microfibrillar cellulose with polymeric additives (2019)
Journal Article
Agarwal, D., MacNaughtan, W., Ibbett, R., & Foster, T. J. (2019). Effect of moisture content on thermal and water absorption properties of microfibrillar cellulose with polymeric additives. Carbohydrate Polymers, 211, 91-99. https://doi.org/10.1016/j.carbpol.2019.02.004

The aim of this study was 1) to investigate the influence of polymeric additives such as carboxyl methyl cellulose (CMC) and locust bean gum (LBG) added before and after homogenisation on the moisture uptake of microfibrillar cellulose (MFC) in the d... Read More about Effect of moisture content on thermal and water absorption properties of microfibrillar cellulose with polymeric additives.

Chloroplast-rich material from the physical fractionation of pea vine (Pisum sativum) postharvest field residue (Haulm) (2018)
Journal Article
Torcello-Gómez, A., Gedi, M. A., Ibbett, R., Husain, K. N., Briars, R., & Gray, D. (2019). Chloroplast-rich material from the physical fractionation of pea vine (Pisum sativum) postharvest field residue (Haulm). Food Chemistry, 272, 18-25. https://doi.org/10.1016/j.foodchem.2018.08.018

An innovative procedure for plant chloroplasts isolation has been proposed, which consists of juice extraction by physical fractionation from plant material and recovery of its chloroplast-rich fraction (CRF) by centrifugation. This simple method has... Read More about Chloroplast-rich material from the physical fractionation of pea vine (Pisum sativum) postharvest field residue (Haulm).

Understanding the mechanisms of cooperative physico-chemical treatment and mechanical disintegration of biomass as a route for enhancing enzyme saccharification (2017)
Journal Article
Ibbett, R., Gaddipati, S., & Tucker, G. A. (in press). Understanding the mechanisms of cooperative physico-chemical treatment and mechanical disintegration of biomass as a route for enhancing enzyme saccharification. Biomass Conversion and Biorefinery, https://doi.org/10.1007/s13399-017-0289-z

A novel chemico-kinetic disintegration model has been applied to study the cooperative relationship between physico-chemical treatment and supplementary wet-state milling of biomass, as an efficient process route to achieve high enzyme accessibility.... Read More about Understanding the mechanisms of cooperative physico-chemical treatment and mechanical disintegration of biomass as a route for enhancing enzyme saccharification.

Expression of Aspergillus niger CAZymes is determined by compositional changes in wheat straw generated by hydrothermal or ionic liquid pretreatments (2017)
Journal Article
Daly, P., van Munster, J. M., Blythe, M. J., Ibbett, R., Kokolski, M., Gaddipati, S., …Archer, D. B. (2017). Expression of Aspergillus niger CAZymes is determined by compositional changes in wheat straw generated by hydrothermal or ionic liquid pretreatments. Biotechnology for Biofuels, 10(1), Article 35. https://doi.org/10.1186/s13068-017-0700-9

Background The capacity of fungi, such as Aspergillus niger, to degrade lignocellulose is harnessed in biotechnology to generate biofuels and high-value compounds from renewable feedstocks. Most feedstocks are currently pretreated to increase enzy... Read More about Expression of Aspergillus niger CAZymes is determined by compositional changes in wheat straw generated by hydrothermal or ionic liquid pretreatments.

Impact of altered cell wall composition on saccharification efficiency in stem tissue of Arabidopsis RABA GTPase-deficient knockout mutants (2015)
Journal Article
Lunn, D., Ibbett, R., Tucker, G. A., & Lycett, G. W. (2015). Impact of altered cell wall composition on saccharification efficiency in stem tissue of Arabidopsis RABA GTPase-deficient knockout mutants. BioEnergy Research, 8(3), https://doi.org/10.1007/s12155-015-9599-9

Use of biomass for second-generation biofuel production is severely hindered by the inherent recalcitrance of the plant cell wall to digestion. Trafficking is crucial for compartmentalisation within the cell. This process is partly regulated by small... Read More about Impact of altered cell wall composition on saccharification efficiency in stem tissue of Arabidopsis RABA GTPase-deficient knockout mutants.

Structural reorganisation of cellulose fibrils in hydrothermally deconstructed lignocellulosic biomass and relationships with enzyme digestibility (2013)
Journal Article
Ibbett, R., Gaddipati, S., Hill, S., & Tucker, G. A. (2013). Structural reorganisation of cellulose fibrils in hydrothermally deconstructed lignocellulosic biomass and relationships with enzyme digestibility. Biotechnology for Biofuels, 6(1), Article 33. https://doi.org/10.1186/1754-6834-6-33

Background: The investigation of structural organisation in lignocellulose materials is important to understand changes in cellulase accessibility and reactivity resulting from hydrothermal deconstruction, to allow development of strategies to maxi... Read More about Structural reorganisation of cellulose fibrils in hydrothermally deconstructed lignocellulosic biomass and relationships with enzyme digestibility.

Uncovering the genome-wide transcriptional responses of the filamentous fungus Aspergillus niger to lignocellulose using RNA sequencing (2012)
Journal Article
Delmas, S., Pullan, S. T., Gaddipati, S., Kokolski, M., Malla, S., Blythe, M. J., …Archer, D. B. (2012). Uncovering the genome-wide transcriptional responses of the filamentous fungus Aspergillus niger to lignocellulose using RNA sequencing. PLoS Genetics, 8(8), Article e1002875. https://doi.org/10.1371/journal.pgen.1002875

A key challenge in the production of second generation biofuels is the conversion of lignocellulosic substrates into fermentable sugars. Enzymes, particularly those from fungi, are a central part of this process, and many have been isolated and chara... Read More about Uncovering the genome-wide transcriptional responses of the filamentous fungus Aspergillus niger to lignocellulose using RNA sequencing.