Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 30 for “"Bioproducts"”.
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Bioproducts and environmental quality: biofuels, greenhouse gases, and water quality
Promoting bio-based products is one oft-proposed solution to reduce GHG emissions because the feedstocks capture carbon, offsetting at least partially the carbon discharges resulting from use of the products. However, several life cycle analyses point out that while biofuels may emit less life …
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Algal bioproducts : investigating the effect of light quality on metabolite production by photosynthetic diatoms
In Australia, between 2016 and 2017, aquaculture products made up 44% of Australian seafood product in value, reaching over $1.35 billion in production value. One of the top five profitable Australian aquaculture products during this period were edible oysters which is worth more than $112 million …
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Production and recovery of multiple high-value bioproducts from metabolically engineered transgenic sugarcane ‘oilcane’
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-08-01
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Lipidų ir fikobiliproteinų kiekiai gėlavandenių planktono melsvabakterių biomasėje, surinktoje vandens žydėjimų laikotarpiu /
… compare the results with the amounts of the same bioproducts in the commercial biomasses of Spirulina and Aphanizomenon cyanobacteria, which are used for food supplements. By applying the methods for extraction of bioproducts and determination of their quantity, the amounts of lipids and …
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Understanding the Impacts of Ammonia Fiber Expansion (AFEX™) Pretreatment and Densification on Densified Products Quality and the Bioproducts Yield Through Enzymatic Hydrolysis and Fast Pyrolysis
<p>Lignocellulosic biomass poses significant challenges during handling, transportation, and storage due to its low bulk density. Densification involves conversion of the low bulk density biomass into a highly compacted product which helps in improving the handling, transporting, and storage …
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Engineering robust yeast strains for the conversion of xylose derived from lignocellulosic biomass to xylitol
… must coproduce high-value, low-volume bioproducts alongside high-volume, low-value cellulosic ethanol. This can be realised with the co-production of the low-calorie sugar substitute, xylitol which has a well-established market, as well as other chemicals. The construction of a …
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Development of biomaterials from sustainably produced macroalgae feedstocks
… freshwater macroalgae biomass to develop bioproducts (cellulose and biostimulants) aligning with the principles of a circular economy and waste recovery. The first chapter investigated the dual extraction process of biostimulants and high-purity cellulose from Oedogonium calcareum grown in …
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Method development for the characterization of intrinsic and extant kinetic parameters in microalgal cultures
… also producing feedstocks for bioenergy and bioproducts. In order to develop reliable treatment processes for water resource recovery facilities, however, it is critical that we have robust, mechanistic models of phototrophic bioprocesses to predict performance under varying environmental …
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Improving product release from saccharomyces cerevisiae and kluyveromyces lactis by pretreatment for cell wall weakening and selective product release
… from yeast is required for the recovery of many bioproducts, recombinant or other. Traditionally such product release is achieved by non-selective, energy demanding mechanical disruption. The fine debris resulting from mechanical disruption is also challenging in the solid-liquid separation in …
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Celulases para produção de etanol de segunda geração
… assume that the emerging industry bioenergy and bioproducts becomes a motivation for the development of improved enzyme preparations for hydrolysis of cellulose. However, a major difficulty in the implementation of a biomass bioconversion process is the high cost and low specific activity of the …
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Development of biotools for vineyard-associated pest and disease control based on entomopathogenic nematode symbiotic bacteria
… and antifungal properties of various bioproducts derived from Xenorhabdus spp. and Photorhabdus spp. To obtain these bacterial bioproducts, we inoculated individual colonies of each pure culture in Triptone Soya Broth (TSB) media, maintaining the liquid cultures for 72 hours under …
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Multifunctional chromatography supports
… support for the purification of nano-sized bioproducts. The effect of three different chemistry approaches, different solvent conditions, and microwave heating were investigated on construction of a bi-layered support. Sepharose CL-6B was activated with allyl glycidyl ether (routes 1&2). The …
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Exploring the factors at play to make wastewater biorefineries a reality
… as a valuable material flow to be converted into bioproducts, while still meeting discharge limits at the end. To set the scene, similar developing approaches to valorise wastewaters globally are reviewed. Wastewaters in South Africa are reviewed and categorised with regards to their potential to …
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An Integrated Approach to Improving Efficiency in Photosynthetic Microbial Systems
… opportunity for renewable bioenergy and bioproducts. As cyanobacteria are photosynthetic microorganisms, they only require sunlight, carbon dioxide, nutrients, and water to grow, and can be cultivated using non-arable land and non-potable water. These characteristics, along with their …
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Slow pyrolysis of agro-food waste to produce biochar and activated carbon for adsorption of pollutants from model wastewater
… Conversion of biogenic wastes to biofuels and bioproducts can address the energy crisis and play a role in environmental remediation. In this study, the first phase of work was focused on exploring the characteristics of food waste ( mixture of onion peel, carrot peel, bell pepper stalks, …
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Mechanistic understanding of biogranulation for continuous flow wastewater treatment and organic waste valorization
… with desired functions for high value-added bioproducts were also investigated and achieved for the first time in this study, which paves a new avenue to harnessing granulation technology for intensifying waste valorization bioprocesses.
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Techno-economic analysis and environmental assessment of isobutene, sustainable aviation fuel, omega-3 and omega-6 oils, and sophorolipid production in integrated sugarcane biorefineries
… of biorefineries to produce high value bioproducts, thereby diversifying revenue streams, has been proposed to alleviate effects of these challenges. Sugarcane materials such as molasses, bagasse, and sugarcane harvest residues could be used to produce an array of products, including …
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Production of 1-butanol and butanol isomers by metabolically engineered Clostridium beijerinckii and Saccharomyces cerevisiae
… toward increased production of value-added bioproducts.
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Assessment of perennial bioenergy buffers within a row crop production system
… producing large amounts of food, energy, and bioproducts, these systems need to be managed to achieve long-term sustainability (e.g. crop productivity potential) and minimal downstream effects (e.g. externalities such as eutrophication and hypoxia). One approach to addressing these challenges …
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