PhD theses

All Wageningen University PhD theses

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    Wageningen PhD theses


    This database contains bibliographic descriptions of all Wageningen University PhD theses from 1920 onwards. It is updated on a daily basis by WUR Library.

    Author abstracts and/or summaries are added to all descriptions. A link to the full text dissertation is added to the bibliographic description. In a few cases, no electronic version is available, mostly because of copyright issues.

    Hard copies of all theses are available for loan at WUR Library. To request them, click the link Request this publication in the full record presentation. This is a fee based service.

    mail icon WUR Library, 9 july 2012

     

Records 1 - 20 / 35

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Transcriptional landscapes of lipid producing microalgae [PhD thesis]
Carrères, Benoît Manuel \ 2019
biobased economy - algae - transcription - landscape - triacylglycerols - diurnal activity

Abstract:
The aim of this thesis is to obtain a better understanding of the physiology of lipid producing microalgae under conditions relevant for large-scale production by analyzing the transcriptional landscape

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Effects of land-use change on grassland ecosystem services in Inner Mongolia and their implications for livelihoods and sustainable management [PhD thesis]
Du, Bingzhen \ 2019
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Feel the burn: a collection of stories on hot’n’sharp DNA engineering [PhD thesis]
Mougiakos, Ioannis \ 2019

Abstract:
cum laude graduation

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Biofuel governance in Brazil and the EU [PhD thesis]
Stattman, Sarah L. \ 2019
biofuels - biobased economy - bioethanol - eu regulations - brazil - agricultural cooperatives - world trade organization
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A liquid foam-bed photobioreactor for microalgae production [PhD thesis]
Jánoska, Ágnes \ 2018
biobased economy - biomass - photobioreactors - algae - biomass production
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Role of starch in Tetradesmus obliquus [PhD thesis]
León Saiki, Graciela Mitsue \ 2018
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Developing a role for Rhizopus oryzae in the biobased economy by aiming at ethanol and cyanophycin coproduction [PhD thesis]
Meussen, Bas Johannes \ 2018
biobased economy - biofuels - bioethanol - renewable energy - biomass - lignin - bacteria - fermentation - fungi - waste water - residual streams
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Organic acid production from starchy waste by gut derived microorganisms [PhD thesis]
Palakawong Na Ayudthaya, Susakul \ 2018
biobased economy - bioenergy - biofuels - biomass - residual streams - agricultural wastes - cellulose - fibres
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Exploring opportunities for rural livelihoods and food security in Central Mozambique [PhD thesis]
Leonardo, Wilson José \ 2017
agricultural production systems - food security - crop production - livelihoods - small farms - biofuels - farming systems - models - intensification - mozambique
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Lytic polysaccharide monooxygenases from Myceliophthora thermophila C1 [PhD thesis]
Frommhagen, Matthias \ 2017
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Photosynthetic efficiency in microalgal lipid production [PhD thesis]
Remmers, Ilse M. \ 2017
algae - biofuels - light - triacylglycerols - lipids - metabolism - algae culture - cultural methods

Abstract:
Microalgen gebruiken zonlicht als energiebron om te groeien. De voedingsstoffen die nodig zijn voor groei (zoals stikstof en fosfaat) halen ze direct uit zoet- of zeewater, of zelfs uit afvalwater. Daarnaast kan de opbrengst van microalgen per vierkante meter landoppervlak veel hoger liggen dan die van traditionele landbouwgewassen. Door deze voordelen kunnen algen dus op veel verschillende manieren bijdragen aan een duurzame economie. Het hier beschreven onderzoek richt zich op de productie van biobrandstoffen met behulp van algen. Wanneer microalgen voldoende voedingsstoffen krijgen zullen ze normaal groeien. De gevormde microalgen biomassa zal overwegend bestaan uit eiwitten, koolhydraten, en membraanvetten. Echter, wanneer één of meerdere voedingsstoffen onvoldoende aanwezig zijn in het groeimedium en de algen nog steeds energie in de vorm van zonlicht ontvangen, kunnen sommige microalgen vetten ophopen tot wel 30-60% van hun drooggewicht. Deze neutrale vetten bestaan uit triacylglycerolen (TAG). Deze TAGs zijn de grondstof voor de productie van biodiesel. Maar hoewel de biodieselproductie met algen veelbelovend is, zijn de huidige productiekosten nog steeds te hoog om commerciële productie haalbaar te maken.

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Biofuel production in Vietnam : greenhouse gas emissions and socioeconomic impacts [PhD thesis]
Le Thanh, Loan \ 2016
biofuels - greenhouse gases - environmental economics - emission - socioeconomics - fuels - natural resources - vietnam

Abstract:
The overall objective of this thesis is to study the energy efficiency, GHG emission savings, and the economic viability of biofuels as energy for transportation and to examine the impacts of biofuel policies on food production, welfare, and emission in Vietnam.

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Alkaline pretreatments of lignin-rich by-products and their implications for enzymatic degradation [PhD thesis]
Murciano Martínez, Patricia \ 2016
degradation - enzymes - pretreatment - byproducts - lignin - food chemistry - delignification - sugarcane bagasse
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Microalgae production in a biofilm photobioreactor [PhD thesis]
Blanken, Ward \ 2016
algae - algae culture - biofilms - bioreactors - growth - production costs - biomass - artificial lighting - photosynthesis - carbon dioxide
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Targets and tools for optimizing lignocellulosic biomass quality of miscanthus [PhD thesis]
Weijde, Tim van der \ 2016
miscanthus - bioethanol - biomass - biofuels - lignocellulose - fuel crops - plant breeding - cell walls - cell wall components - genetic diversity - genetic variation - biomass conversion - biobased economy

Abstract:
Miscanthus is a perennial energy grass characterized by a high productivity and resource-use efficiency, making it an ideal biomass feedstock for the production of cellulosic biofuels and a wide range of other biobased value-chains. However, the large-scale commercialization of converting biomass into cellulosic biofuel is hindered by our inability to efficiently deconstruct the plant cell wall. Overall the compendium of knowledge generated within the framework of this thesis provided insights into the variation in biomass quality properties in miscanthus, increased our understanding of the molecular, genetic and environmental factors influencing its conversion efficiency into biofuel and provided tools to exploit these factors to expand the use of miscanthus as a lignocellulose feedstock.

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Microbial electrosynthesis of biochemicals : innovations on biocatalysts, electrodes and ion-exchange for CO2 supply, chemicals production and separation [PhD thesis]
Bajracharya, Suman \ 2016
carbon dioxide - biofuels - chemicals - biocatalysis - ion exchange - electrodes
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Illusions, hunger and vices : smallholders, environmentalism and the green agrarian question in Chiapas' biofuel rush [PhD thesis]
Castellanos-Navarrete, Antonio \ 2015
biofuels - fuel crops - food vs fuel - mexico - peasant farming - oil palms - biobased economy - Energy crops industry Social aspects Mexico - Environmentalism Mexico - Farms, Small Mexico - Biomass energy Environmental aspects - Environmentalism - Farms, Small
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Circadian rhythms in microalgae production [PhD thesis]
Winter, L. de \ 2015
algae - circadian rhythm - cell division - light regime - environmental factors - biomass production - process optimization
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Genomics 4.0 : syntenic gene and genome duplication drives diversification of plant secondary metabolism and innate immunity in flowering plants : advanced pattern analytics in duplicate genomes [PhD thesis]
Hofberger, J.A. \ 2015
genomics - plants - metabolism - flowering plants - genomes - genes - next generation sequencing
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The dynamics of oil accumulation in Scenedesmus obliquus [PhD thesis]
Breuer, G. \ 2015
algae - nitrogen - starvation - triacylglycerols - productivity - photosynthesis - carbon - partitions - oils
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