Results 81 to 90 of about 30,911 (199)

Polyhydroxyalkanoate Synthesis by Recombinant Escherichia coli JM109 Expressing PHA Biosynthesis Genes from Comamonas sp. EB172 [PDF]

open access: yes, 2012
Recombinant Escherichia coli JM109 harbouring the polyhydroxyalkanoate (PHA) biosynthesis gene (phaCABco) of Comamonas sp. EB172, an acid tolerant microbe, was examined for the production of PHAs from various carbon sources.
Ando Yoshito   +9 more
core   +2 more sources

Synthesis and structural characterization of bioactive PHA and γ-PGA oligomers for potential applications as a delivery system [PDF]

open access: yes, 2016
The (trans)esterification reaction of bacterial biopolymers with a selected bioactive compound with a hydroxyl group was applied as a convenient method for obtaining conjugates of such compound.
Covas   +6 more
core   +2 more sources

Microbial Synthesis and Characterization of Poly (3-Hydroxybutyrate-co- 4-Hydroxybutyrate) Copolymers [PDF]

open access: yesЖурнал Сибирского федерального университета: Серия Биология, 2011
The research is focused on the prospective representative of the family of biodegradable polymers - polyhydroxyalkanoates (PHAs), the copolymer poly(3-hydroxybutyrate-co-4-hydroxybutyrate) (P(3HB-co-4HB).
Natalia O. Zhila   +3 more
doaj  

Disruption of poly (3-hydroxyalkanoate) depolymerase gene and overexpression of three poly (3-hydroxybutyrate) biosynthetic genes improve poly (3-hydroxybutyrate) production from nitrogen rich medium by Rhodobacter sphaeroides

open access: yesMicrobial Cell Factories, 2019
Background Due to various environmental problems, biodegradable polymers such as poly (3-hydroxybutyrate) (PHB) have gained much attention in recent years.
Jyumpei Kobayashi, Akihiko Kondo
doaj   +1 more source

Nucleation and plasticization with recycled low‐molecular‐weight poly‐3‐hydroxybutyrate toughens virgin poly‐3‐hydroxybutyrate

open access: yesJournal of Applied Polymer Science, 2018
ABSTRACTPoly‐3‐hydroxybutyrate (PHB) is a widely distributed carbon storage molecule in prokaryotes and can serve as a biodegradable plastic replacement. However, the handling and material properties of virgin PHB are not as robust as some traditional petroleum‐based plastics.
Andrew J. Cal   +6 more
openaire   +2 more sources

SEPARATE FEED OF TYPE I COLLAGEN SOLUTION AND POLY(3-HYDROXYBUTYRATE-CO-3-HYDROXYVALERATE)/POLY(ε-CAPROLACTONE) BLEND DURING ELECTROSPINNING INCREASES BIOCOMPATIBILITY OF VASCULAR GRAFTS: IN VITRO TESTING

open access: yesФундаментальная и клиническая медицина, 2017
Aim. To compare structural and tensile properties of electrospun vascular grafts fabricated of poly(3-hydroxybutyrate-co-3-hydroxyvalerate)/ poly(ε-caprolactone) blend and type I collagen solution utilizing either joint or separate feed of these polymers,
ELENA A. Velikanova   +8 more
doaj  

Controlled Production and Degradation of Selected Biomaterials [PDF]

open access: yes, 2010
Předložená disertační práce se zabývá studiem produkce a degradace polymerních materiálů s využitím mikroorganismů. Hlavní pozornost je upřena ke studiu produkce polyesterů bakteriálního původu - polyhydroxyalkanoátů.
Obruča, Stanislav
core   +1 more source

The effect of gamma radiation on mechanical properties of biodegradable polymers poly(3-hydroxybutyrate) and poly(3-hydroxybutyrate-co-3-hydroxyvalerate)

open access: yesMaterials Research, 2013
Brazilian poly(3-hydroxybutyrate), P(3-HB), and its copolymer, poly (3-hydroxybutyrate-co-3-hydroxyvalerate), P(3-HB-co-3-HV) were irradiated with gamma radiation (60Co) at room temperature and in the presence of oxygen. The viscosity-average molar mass (
Leticia Maria Oliveira   +2 more
doaj  

Poly(3-hydroxybutyrate-co-3-hydroxyhexanoate)-based scaffolds for tissue engineering

open access: yesBrazilian Journal of Medical and Biological Research, 2014
Development and selection of an ideal scaffold is of importance for tissue engineering. Poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) (PHBHHx) is a biocompatible bioresorbable copolymer that belongs to the polyhydroxyalkanoate family. Because of its good
H.M. Chang   +11 more
doaj   +1 more source

Analysis of 3-d scaffolds based on phbv polymer with the Si-HA particles [PDF]

open access: yes, 2016
In this study, we present the results of investigation of the 3-D scaffolds with different structures, whichwere fabricated using pure polymer poly(hydroxybutyrate-co-hydroxyvalerate) (PHBV) and polymercompositions with the addition of silicon-containing
Городжа, Светлана Николаевна   +2 more
core  

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