Results 31 to 40 of about 3,021 (161)

Polyhydroxyalkanoates: Role of Ralstonia eutropha

open access: yesInternational Journal of Biomedical and Advance Research, 2014
Polyhydroxyalkanoates (PHAs) are biopolymers, which can be used as a substitute for petrochemical plastics in diverse applications. However, these bioplastics are presently more costly than petrochemical plastics. Various researchers had investigated to exploit the use of economical waste streams derivative substrates.
Priyadarshi, Siddharth   +2 more
openaire   +3 more sources

Conversion of volatile fatty acids into polyhydroxyalkanoate byRalstonia eutropha [PDF]

open access: yesJournal of Applied Microbiology, 2009
The aims of this study were to optimize condensed corn solubles (CCS) as a medium for growth of Ralstonia eutropha and to determine the effects of individual volatile fatty acids (VFAs) on polyhydroxyalkanoate (PHA) production.A CCS medium of concentration 240 g l(-1) with a carbon : nitrogen ratio of 50 : 1 was developed as the optimal medium ...
P, Chakraborty   +2 more
openaire   +2 more sources

Nutrient optimization of polyhydroxyalkanoate production from palm oil fiber by Ralstonia eutropha TISTR 1095 using response surface methodology [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2010
Polyhydroxyalkanoate (PHA) is polyesters formed in several bacteria as a carbon or energy storage under some nutrientlimitation. Ralstonia eutropha has potential to produce PHA from various substrates, including carboxylic acids.
Piyarat Boonsawang, Thongchai Wongsuvan
doaj  

Evaluation of polyhydroxyalkanoate (PHAs) production with a bacterial isolate using cassava flour hydrolysates as an alternative substrate

open access: yesDyna, 2019
In the production of polyhydroxyalkanoates (PHA), the costs of the process are mainly associated with the carbon source and most of the production studies are carried out with commercial strains. In this study, PHA production was evaluated using a strain,
Wilman Alcaraz Zapata   +2 more
doaj   +1 more source

Two phenotypically compensating isocitrate dehydrogenases inRalstonia eutropha [PDF]

open access: yesFEMS Microbiology Letters, 2003
The tricarboxylic acid (TCA) cycle enzyme isocitrate dehydrogenase (IDH) and the glyoxylate bypass enzyme isocitrate lyase are involved in catabolism of isocitrate and play a key role in controlling the metabolic flux between the TCA cycle and the glyoxylate shunt.
Zheng-Xiang, Wang   +2 more
openaire   +2 more sources

El desarrollo de plástico biodegradable a partir del cáñamo por estímulo microbiano

open access: yesTecnología en Marcha
Actualmente varias industrias de diversa índole han apostado por el uso de Cannabis sativa con diferentes fines, en esta ocasión se resalta la capacidad que tiene la fibra del tallo de cáñamo en conjunto con la bacteria Ralstonia eutropha para la ...
Johanna Marcela Moscoso-Gama   +2 more
doaj   +1 more source

Nonmetallic Abiotic-Biological Hybrid Photocatalyst for Visible Water Splitting and Carbon Dioxide Reduction

open access: yesiScience, 2020
Summary: Both artificial photosystems and natural photosynthesis have not reached their full potential for the sustainable conversion of solar energy into specific chemicals.
Pier-Luc Tremblay   +3 more
doaj   +1 more source

Studies on the production of branched-chain alcohols in engineered Ralstonia eutropha [PDF]

open access: yesApplied Microbiology and Biotechnology, 2012
Wild-type Ralstonia eutropha H16 produces polyhydroxybutyrate (PHB) as an intracellular carbon storage material during nutrient stress in the presence of excess carbon. In this study, the excess carbon was redirected in engineered strains from PHB storage to the production of isobutanol and 3-methyl-1-butanol (branched-chain higher alcohols).
Lu, Jingnan   +3 more
openaire   +4 more sources

"Intelligent" descriptions of microbial kinetics in finitely dispersed bioreactors: neural and cybernetic models for PHB biosynthesis by Ralstonia eutropha

open access: yesMicrobial Cell Factories, 2007
Background For many microbial processes, the complexity of the metabolisms and the responses to transient and realistic conditions are difficult to capture in mechanistic models.
Patnaik Pratap R
doaj   +1 more source

Upcycling Almond Byproducts: A Technoeconomic and Environmental Assessment of Almond Hull Hydrolysate

open access: yesSustainable Food Proteins, Volume 4, Issue 3, September 2026.
This study presents the first integrated technoeconomic analysis (TEA) and life cycle assessment (LCA) of converting almond hulls—a sugar‐rich agricultural byproduct—into almond hull hydrolysate (AHH), a low‐cost and environmentally favorable fermentation growth medium.
Boon‐Ling Yeo   +7 more
wiley   +1 more source

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