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Understanding the complexity of metabolic regulatory systems : an investigation into the regulation of hydantoin-hydrolysis in Pseudomonas putida RU-KM3s /De la Mare, Jo-Anne. January 2008 (has links)
Thesis (M.Sc. (Biochemistry, Microbiology & Biotechnology)) - Rhodes University, 2009.
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Influence of certain amino acids upon the enzymic hydrolysis of starch ...Walker, Florence, January 1922 (has links)
Thesis (Ph. D.)--Columbia University, 1922. / Vita.
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Development of a hydantoin-hydrolysing biocatalyst for the production of optically pure amino acids using Agrobacterium tumefaciens strain RU-ORPN1 /Foster, Ingrid Margaret. January 2002 (has links)
Thesis (Ph. D. (Biochemistry, Microbiology & Biotechnology))--Rhodes University, 2004.
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Hydrolýza brambor / Hydrolysis of potatoesVLAČIHOVÁ, Andrea January 2010 (has links)
This work compares acid, alkaline and enzymatic hydrolysis of potato starch with simultaneous application of various pressures (0MPa, 0,3MPa and 1MPa). Acid hydrolysis was made by sulphuric acid of intensity 3, 6, 9 and 12 %, alkaline hydrolysis was made by sodium hydroxide of intensity 3, 6, 9 and 12 % and four enzymatic preparations for starch hydrolysis were used for enzymatic hydrolysis. Hydrolysis effect was measured via GE and added by alcohol yield. There was positive influence of increased pressure 0,3MPa and 1Mpa on hydrolysis process visible in this experiment.
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Potencial da biomassa aérea da Ipomoea Batatas (l.) lam. e Pennicetum Purpureum Chumach cv. Napier e cv. roxo sob ação de três complexos enzimáticos hidrolíticos na produção de etanol 2gMairesse, Marta Heloísa 05 October 2015 (has links)
A geração de energia a partir de biomassa lignocelulósica pode contribuir de maneira
significativa com a ampliação do escopo energético, no que se refere ao uso de fontes
alternativas voltadas à geração de combustíveis renováveis. Porém, a utilização destas fontes
enfrenta ainda desafios relacionados à exploração de diferentes matérias-primas com
potencial de utilização e o desenvolvimento de tecnologias de processos que garantam a
viabilidade técnica e econômica da geração do etanol 2G. Neste estudo foi estimada a
produção de etanol da biomassa aérea da batata-doce (Ipomoea batatas (L.) Lam.) e da
biomassa do capim-elefante (Pennisetum purpureum Schumach), cv. Roxo e cv. Napier após
pré-tratamento ácido e básico, sob hidrólise de dois complexos enzimáticos comerciais
(CTec2 e HTec2) e o extrato enzimático obtido a partir de fungo isolado de ninhos de
Acromyrmex balzani. O delineamento experimental utilizado foi o de blocos inteiramente
casualizados e o arranjo dos tratamentos o Esquema Fatorial 3x3, em três repetições. Foi
verificado, para a batata-doce, o rendimento estimado médio de 37,42 mL/Kg de MS
hidrolisada com os complexos enzimáticos comerciais e que o capim-elefante, nesse
experimento, confirmou seu potencial para ser utilizado na produção de energia renovável,
pois apresentou o rendimento médio de 123,5 mL/Kg de MS hidrolisada nas mesmas
condições da hidrólise da biomassa aérea da batata-doce. / Power generation from lignocellulosic biomass can contribute significantly to the energy
scope expansion, with regard to the alternative sources use focused on the renewable fuels
generation. However, the use of these sources still faces challenges related to different raw
materials exploration with potential use and technologies processes development that ensure
the technical and economic viability of generating 2G ethanol. The aim of this study was to
evaluate the ethanol production potential from aerial sweet potato (Ipomoea batatas (L.)
Lam.) (B) crop residues compared to elephantgrass materials (Pennisetum purpureum
Schum), cultivar Roxo and cultivar Napier by the hydrolytic action of three enzyme solutions:
two commercial enzymatic complexes (CTec2 e HTec2) and an enzyme extract obtained from
filamentous fungi isolated from Acromyrmex balzani. The experimental design was the
Factorial Scheme 3x3, in triplicate. It was checked on the sweet potato, the average yield of
37.42 mL/kg MS hydrolyzed with commercial enzymatic complexes and the elephantgrass,
this experiment confirmed its potential to be used in the renewable energy production, as it
presented average yield of 123.5 mL/kg MS hydrolyzed under the same conditions of biomass
sweet potato hydrolysis.
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Enzymatic hydrolysis with commercial enzymes of a xylan extracted from hardwood pulp [electronic resource] /Marais, Susann. January 2008 (has links)
Thesis (M.Eng.(Chemical Engineering))--University of Pretoria, 2008. / Includes bibliographical references.
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Enzymes hydrolysing wood polysaccharides : a progress curve study of oligosaccharide hydrolysis by two cellobiohydrolases and three [beta]-mannanases /Harjunpaa, Vesa. January 1900 (has links) (PDF)
Thesis (Academic dissertation)--University of Helsinki, 1998. / Includes bibliographical references. Also available on the World Wide Web.
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