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 37 for “"Microalga"”.
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Improving biomass of the marine microalga Nannochloropsis oculata by chemical elicitation
Marine microalgae are of particular interest due to their ability to biosynthesise specialised metabolites with a variety of important properties, such as antioxidant and antimicrobial potential. Neutral lipids produced by microalgae are also of huge importance because of their desirable …
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Accumulation of Platinum Group Elements by the Marine Microalga, Chlorella stigmatophora
… and in combination to cultures of the marine microalga, Chlorella stigmatophora, maintained in coastal seawater at 15oC and under fluorescence lighting both in the presence and absence of trace nutrients (e.g. Fe, Co, Zn and EDTA). The accumulation of PGE was established under varying …
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Development of a photobioreactor for the cultivation of the freshwater microalga Haematococcus pluvialis
Haernatococcus pluvialis is a flagellated green alga that accumulates large quantities of the carotenoid astaxanthin. Astaxanthin is commercially important as a aquaculture pigment, and as a human health supplement. Currently the majority of astaxanthin used in aquaculture is synthetic. However …
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Bioremediation of heavy metal polluted water using immobilized freshwater green microalga, botryococcus sp.
… is the use of biological materials (e.g. microalgae) in the removal of toxic compounds from the environment such as the heavy metals which is considered more cost effective and environmentally friendly when compared to the physical and chemical methods. The present study was undertaken to …
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Bioremediation of heavy metal polluted water using immobilized freshwater green microalga, botryococcus sp.
… is the use of biological materials (e.g. microalgae) in the removal of toxic compounds from the environment such as the heavy metals which is considered more cost effective and environmentally friendly when compared to the physical and chemical methods. The present study was undertaken to …
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Cultivo y posibles aplicaciones de una cepa de Salinas Chicas de la microalga extremófila Dunaliella salina
Se aisló una cepa de la microalga extremófila Dunaliella salina, propia de las Salinas Chicas (Provincia de Buenos Aires) y se la mantuvo en cultivo con el fin de realizar diferentes ensayos para comparar su comportamiento con el que se cita en la literatura para la misma especie. Se desarrolló un …
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Estudio funcional de la autofagia por estrés específico en el cloroplasto de la microalga modelo Chlamydomonas reinhardtii
… de ácidos grasos en el cloroplasto de la microalga modelo Chlamydomonas reinhardtii. Los resultados de esta tesis demuestran que la inhibición de la enzima FAS mediante la droga cerulenina, un inhibidor específico de esta enzima, activa el proceso de autofagia. El tratamiento con esta …
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Biomass productivity enhancement and extraction of high values products of an extremophile microalga from SCCA culture collection
… the growth and lipids production kinetics of the microalga, and the optimization of its biomass production as well as its lipids productivity in qualitative-quantitative terms; iii. to identify the best cultivation strategies of the selected strain for enhanced production of biomass and high-value …
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Optimizing nuclear transgene expression and genome editing for high-value compound production in the green microalga Chlamydomonas reinhardtii
… sustainable production chassis. This eukaryotic microalga inherits multiple beneficial features for fundamental research as well as industrial applications. Naturally, this organism grows relatively fast with a doubling time of 6-8 hours and also provides a sufficient pool of precursors needed …
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Evaluation of biomass from the halotolerant microalga Dunaliella salina as an animal feed additive with immune-modulatory activity
… this thesis sought to evaluate the potential of microalgal biomass sourced from Dunaliella salina for use as an animal feed additive. Dunaliella salina is the richest known source of carotenoid pigments and anti-oxidants, and these have a variety of uses including as food colourants, additives …
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Use of Biodiesel-Derived Crude Glycerol for the Production of Omega-3 Polyunsaturated Fatty Acids by the Microalga Schizochytrium limacinum
… to use crude glycerol in the fermentation of the microalga Schizochytrium limacinum, which is a prolific producer of docosahexaenoic acid (DHA), an omega-3 polyunsaturated fatty acid with proven beneficial effects on treating human diseases such as cardiovascular diseases, cancers, and …
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Uso de biomassa de microalgas e cianobactérias cultivadas em águas residuais de avicultura como potencial energético na produção de biodiesel e amônia como transportadora de hidrogênio
… this work is to evaluate the cultivation of the microalga Desmodesmus sp. and the cyanobacterium Brasilonema sp. in poultry wastewater for the dual purpose of removing nutrients, nitrogen and phosphorus, as one of the industrial steps in effluent treatment and biomass reuse with potential …
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Fertilizante organomineral de microalgas cultivadas em água residuária: potencial agrícola e ciclo de vida
… investigou o potencial do uso de biomassa de microalgas (BM) cultivadas em lagoas de alta taxa (LATs), tendo água residuária como meio de cultivo, para a produção de um fertilizante organomineral pastilhado (FOP) em substituição a um fertilizante químico. O fertilizante proposto é composto …
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Desenvolvimento de um reator para geração de biogás a partir de biomassa de microalgas como alternativa energética nas áreas rurais
… gerar energia por biodigestão da biomassa de microalgas, visando aplicação em locais com difícil acesso a combustíveis convencionais como as áreas rurais. Para atingir este objetivo, considerou-se projetar, construir, testar, e validar um reator para geração de biogás utilizando biomassa de …
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Prediction Of Optical Properties Of Plasmonic Composites: Applications To Solar Energy Harvesting
… from literature. Experiments with photosynthetic microalga Chlamydomonas Reinhardtii and Cyanothece showed that the wavelength specific backscattering in the blue region of the spectrum from an Ag nanoparticle suspension could promote microalgal growth by more than 30%. This was because the …
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One Size Doesn't Fit All: Developing Bioavailability-based Models for Zinc Toxicity to Microalgae
… of how water chemistry affects zinc toxicity to microalgae, a key group of organisms in freshwater ecosystems that are also used in Australian water quality guideline development. Thus, this thesis investigated the influence of a range of water chemistry conditions on the chronic toxicity of zinc …
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Simbiosi industriale per la riduzione delle emissioni di CO2 e sua conversione biochimica in biomasse Algali produttrici di molecole bioattive per la prevenzione dei Tumori. Una sintesi tra economia circolare, salute e ambiente.
… la produzione di acidi grassi nella microalga. Scopo della presente tesi è stato: 1. mettere a punto un protocollo di coltivazione per la microalga Haematococcus p. in un impianto chiuso (bioreattore), presso l’azienda Plasticalfa S.r.l, al fine di consentirne una crescita ottimale. …
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Estudios de halotolerancia en el alga verde unicelular Chlamydomonas reinhardtdii fotoproducción de glicerol por células libres e inmovilizadas
… hasta 4g 1 después de 5 D, lo que hace de este microalga un sistema muy atractivo para la fotoproducción biotecnológica de glicerol. El alginato cálcico se ha elegido como soporte mas adecuado para la inmovilización de células de Chlamydomonas reinhardtii por su compatibilidad con la viabilidad …
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USE OF MICROALGAE FOR WASTEWATER TREATMENT AND BIOFUEL PRODUCTION: EFFECTS OF ENVIRONMENTAL CONTAMINANTS ON THE CELLULAR RESPONSE
Microalga-based technologies are introduced to provide a new generation of biofuels. The cultivation of microalgae in wastewater as the growth medium may offer the dual benefit of wastewater treatment and sustainable biofuel production. The potential of microalgal biomass to be converted into …
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Estudios funcionales de las pirofosfatasas inorgánicas de saccharomyces cerevisiae y organismos fotosintéticos
… de membrana (mPPasas) de diferentes especies de microalgas eucarióticas, tanto marinas como dulceacuícolas. 6. Obtener cepas mutantes de la microalga modelo Chlamydomonas reinhardt ii con la expresión de su H+-PPasa alterada, y evaluar el papel de esta mPPasa en la respuesta fisiológica a …
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