Results 21 to 30 of about 88,816,848 (179)

Chemical synthesis of perfectly isotactic and high melting bacterial poly(3-hydroxybutyrate) from bio-sourced racemic cyclic diolide

Nature Communications, 2018
Bacterial poly(3-hydroxybutyrate) possesses physical and mechanical properties suitable for substituting high-performance petroleum plastics but current production is costly and slow.
Xiaoyan Tang, Eugene Y.-X. Chen
doaj   +1 more source

Artificial polyhydroxyalkanoate poly[2-hydroxybutyrate-block-3-hydroxybutyrate] elastomer-like material

Scientific Reports, 2021
The first polyhydroxyalkanoate (PHA) block copolymer poly(2-hydroxybutyrate-b-3-hydroxybutyrate) [P(2HB-b-3HB)] was previously synthesized using engineered Escherichia coli expressing a chimeric PHA synthase PhaCAR with monomer sequence-regulating ...
Yuki Kageyama, Hiroya Tomita, Takuya Isono, Toshifumi Satoh, Ken’ichiro Matsumoto   +4 more
doaj   +1 more source

Poly-3-hydroxybutyrate Biosynthesis by Bacillus megaterium Utilizing a Pleustophytic Ecological Plague in the Legendary Source of River Nile as the Sole Carbon Source

, 2020
Environmental isolates, genetically manipulated organisms, plants, animals and their products and economical methods are being expertly explored to biosynthesize poly-3-hydroxybutyrate plastics of comparable properties to petroplastics.
Immaculate Mbabazi (8455358), Decrah Moraa Nyangena (8455362), Papias Nteziyaremye (8455364), Lucy Nyambura Karanja (8455359), Abigael Jepchirchir (8455367), Timothy Omara (5597741)   +5 more
core   +1 more source

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

Chinese 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, DONG Man-yuan, MA Jian-feng, ZHANG Li-min   +3 more
doaj   +1 more source

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

Bio-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, Aran Incharoensakdi, Tanakarn Monshupanee   +2 more
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Fast, inexpensive, and reliable HPLC method to determine monomer fractions in poly(3-hydroxybutyrate-co-3-hydroxyvalerate) [PDF]

, 2021
The determination of the monomer fractions in polyhydroxyalkanoates is of great importance for research on microbialproduced plastic material. The development of new process designs, the validation of mathematical models, and intelligent control ...
Kettner, Alexander, Carius, L., Kettner, A., Kienle, A. ; https://orcid.org/, Findeisen, R., Kienle, Achim, Findeisen, Rolf, Griehl, Carola, Carius, Lisa, Griehl, C., Duvigneau, Stefanie, Duvigneau, S., Stefanie Duvigneau, Alexander Kettner, Rolf Findeisen, Lisa Carius, Carola Griehl, Achim Kienle   +17 more
core   +1 more source

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

Advances 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, J. M. Chai, K. Shantini, K. Bhubalan, A. A. Amirul   +4 more
doaj   +1 more source

Physicochemical characteristics of poly(3-hydroxybutyrate) and poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) electrospun nanofibres for the adsorption of phenol

Journal of Experimental Nanoscience, 2020
In this study, adsorption treatment of phenol pollutant using electrospun poly(3-hydroxybutyrate) [P(3HB)] and poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) [P(3HB-co-3HHx)] is highlighted for the first time. Both P(3HB) and P(3HB-co-3HHx) were extracted
Ainil Hawa, Kumar Sudesh, Suresh Sagadevan, Abdul Mukheem, Nanthini Sridewi   +4 more
doaj   +1 more source

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

PLoS 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, Sergey Yakovlev, Arasha Boskhomdzhiev, Irina Zharkova, Dmitrii Bagrov, Vera Myshkina, Tatiana Mahina, Elena Kharitonova, Olga Samsonova, Anton Zernov, Vsevolod Zhuikov, Yurii Efremov, Vera Voinova, Garina Bonartseva, Konstantin Shaitan   +14 more
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Photodegradation and Photostabilization of Poly(3-Hydroxybutyrate) [PDF]

Materials Research, 2016
The present work is concerned with the photodegradation and photostabilization of poly(3-hydroxybutyrate) (PHB) biopolymer. Two commercial grades of PHB were investigated, containing of 4.0% and 6.2% of hydroxyvalerate (HV) comonomer, named PHB1 and PHB2,
Renate Maria Ramos Wellen, Eduardo Luís Canedo, Marcelo Silveira Rabello, Guilhermino José Macêdo Fechine   +3 more
doaj   +1 more source