Results 21 to 30 of about 2,606 (175)

Determination of Poly(3-hydroxybutyrate) Content in Cyanobacterium Synechocystis sp. PCC 6803 Using Acid Hydrolysis Followed by High-performance Liquid Chromatography

open access: yesBio-Protocol, 2023
Various photoautotrophic cyanobacteria accumulate intracellular poly(3-hydroxybutyrate) (PHB) granules. This protocol can be used for determining the PHB contents of the cells as % PHB weight per dry cell weight using acid hydrolysis followed by high ...
Janine Kaewbai-ngam   +2 more
doaj   +1 more source

Study on the Effect of Levulinic Acid on Whey-Based Biosynthesis of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) by Hydrogenophaga pseudoflava

open access: yesApplied Food Biotechnology, 2017
Background and Objective: Production of polyhydroxyalkanoate copolyesters consisting of 3-hydroxybutyrate and 3-hydroxyvalerate units was for the first time studied using the production strain Hydrogenophaga pseudoflava based on sustainable raw materials.
Martin Koller   +4 more
doaj   +1 more source

Metabolic engineering of Escherichia coli for the synthesis of polyhydroxyalkanoates using acetate as a main carbon source

open access: yesMicrobial Cell Factories, 2018
Background High production cost of bioplastics polyhydroxyalkanoates (PHA) is a major obstacle to replace traditional petro-based plastics. To address the challenges, strategies towards upstream metabolic engineering and downstream fermentation ...
Jing Chen   +4 more
doaj   +1 more source

Blends of Poly(3-Hydroxybutyrate-co-3-Hydroxyvalerate) with Fruit Pulp Biowaste Derived Poly(3-Hydroxybutyrate-co-3-Hydroxyvalerate-co-3-Hydroxyhexanoate) for Organic Recycling Food Packaging [PDF]

open access: yesPolymers, 2021
In the present study, a new poly(3-hydroxybutyrate-co-3-hydroxyvalerate-co-3-hydroxyhexanoate) [P(3HB-co-3HV-co-3HHx)] terpolyester with approximately 68 mol% of 3-hydroxybutyrate (3HB), 17 mol% of 3-hydroxyvalerate (3HV), and 15 mol% of 3-hydroxyhexanoate (3HHx) was obtained via the mixed microbial culture (MMC) technology using fruit pulps as ...
Beatriz Meléndez-Rodríguez   +6 more
openaire   +6 more sources

Poly(3-hydroxybutyrate) and Poly(3-hydroxybutyrate-co-3-hydroxyvalerate): Structure, Property, and Fiber

open access: yesInternational Journal of Polymer Science, 2014
Poly(3-hydroxybutyrate) [P(3HB)] and poly(3-hydroxybutyrate-co-3-hydroxyvalerate) [P(3HB-co-3HV)] are produced by various microorganisms as an intracellular carbon and energy reserve from agricultural feedstocks such as sugars and plant oils under ...
Qingsheng Liu   +3 more
doaj   +1 more source

The terpolymer produced by Azotobacter chroococcum 7B: effect of surface properties on cell attachment.

open access: yesPLoS ONE, 2013
The copolymerization of poly(3-hydroxybutyrate) (PHB) is a promising trend in bioengineering to improve biomedical properties, e.g. biocompatibility, of this biodegradable polymer.
Anton Bonartsev   +14 more
doaj   +1 more source

Replication Origin Deletion Enhances Poly(3-Hydroxybutyrate-co-3-Hydroxyvalerate) Synthesis in Haloarchaea

open access: yesMicrobiology Spectrum, 2022
Although the use of multiple replication origins for chromosome replication has been widely characterized in haloarchaea, whether it is possible to manipulate the chromosome copy number by their genetic engineering is not known, and how it would affect ...
Haibo Yang   +5 more
doaj   +1 more source

Molecular Dynamics of Semi-Crystalline Poly(3-Hydroxybutyrate) and Poly(3-Hydroxybutyrate-Co-3-Hydroxyvalerate) Studies by Solid-State NMR Spectroscopy

open access: yesChinese Journal of Magnetic Resonance, 2019
Molecular dynamics of semi-crystalline poly(3-hydroxybutyrate) (PHB) and copolymers poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) containing 5 wt.% (PHBV5) and 12 wt.% (PHBV12) 3-hydroxyvalerate monomer was studied with solid-state NMR spectroscopy.
XU Guang-yong   +3 more
doaj   +1 more source

Designing Novel Interfaces via Surface Functionalization of Short-Chain-Length Polyhydroxyalkanoates

open access: yesAdvances in Polymer Technology, 2019
Polyhydroxyalkanoates (PHA), a microbial plastic has emerged as promising biomaterial owing to the broad range of mechanical properties. However, some studies revealed that PHA is hydrophobic and has no recognition site for cell attachment and this is ...
S. Vigneswari   +4 more
doaj   +1 more source

A Simulation Approach for Investigating the Effect of Valeric Acid Concentration on Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) Production in Presence of Methane

open access: yesChemical Engineering Transactions, 2023
Polyhydroxyalkanoates (PHAs) are biobased and biodegradable polymers that may be considered to replace fossil-based materials. However, their widespread deployment is slowed down because of the high production cost and their low quality.
Claudia Amabile   +8 more
doaj  

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