Results 171 to 180 of about 15,098 (205)

Antibacterial ZnO nanoparticle embedded polycaprolactone-polyhydroxybutyrate membranes for wound healing. [PDF]

J Mater Sci Mater Med
Sam S, Joseph B, Ninan N, Alemie MN, Vasilev K, Bright R, Thomas S.   +6 more
europepmc   +1 more source

Chemical Recycling of Polyhydroxybutyrate (PHB) into Bio-Based Solvents and Their Use in a Circular PHB Extraction [PDF]

ACS Sustainable Chemistry and Engineering, 2021
Two novel protocols for the chemical valorization of polyhydroxybutyrate (PHB) were developed, aiming at the production of two bio-based molecules: methyl 3-hydroxybutyrate (MHB) and methyl 3-methoxybutyrate (MMB). Optimized reaction conditions were applied to pure PHB and PHB inclusions inside bacterial cells as starting materials. MHB was synthesized
Cristian Torri, Adriano Parodi, Gonzalo Agustin Martinez   +2 more
exaly   +6 more sources

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Modeling pure culture heterotrophic production of polyhydroxybutyrate (PHB)

Bioresource Technology, 2014
In this contribution a mechanistic model describing the production of polyhydroxybutyrate (PHB) through pure-culture fermentation was developed, calibrated and validated for two different substrates, namely glucose and waste glycerol. In both cases, non-growth-associated PHB production was triggered by applying nitrogen limitation.
Heleen de Wever, Eveline Volcke, Md Salatul Islam Mozumder   +2 more
exaly   +3 more sources

Polyhydroxybutyrate (PHB) biodegradation using bacterial strains with demonstrated and predicted PHB depolymerase activity

Applied Microbiology and Biotechnology, 2018
The biodegradation of polyhydroxybutyrate (PHB) has been broadly investigated, but studies typically focus on a single strain or enzyme and little attention has been paid to comparing the interaction of different PHB depolymerase (PhaZ)-producing strains with this biopolymer.
Dominic Sauvageau, Anastasia Elias
exaly   +3 more sources

Crystallization behavior of polyhydroxybutyrate (PHB)

AIP Conference Proceedings, 2016
Polyhydroxybutyrate (PHB) belongs to the family of polyhydroxyalkanoates and is both, biobased and biodegradable. Due to its linear chain structure, PHB is highly crystalline and has a melting temperature close to its decomposition temperature. Pure PHB crystallizes very slowly, so that the use for some technical applications is not commercially viable.
Linda Goebel, Christian Bonten
openaire   +1 more source

The influence of the coconut fiber treated as reinforcement in PHB (polyhydroxybutyrate) composites [PDF]

Materials Today Communications, 2019
This study evaluated how the treatment of coconut fiber (CF) affected the fiber itself and the composites prepared with treated and in nature coconut fiber used as reinforcement in PHB (polyhydroxybutyrate) as a polymeric matrix.
Ruth Marlene Campomanes Santana, Renan Demori   +1 more
exaly   +2 more sources

On-chip THz spectroscopy of Polyhydroxybutyrate (PHB) powder

2013 38th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 2013
We recently demonstrated terahertz radiation from joule-heated Single Wall Carbon Nanotubes (SWCNTs) whose main defining feature was a broad frequency spectrum mediated by an antenna [1]. In this work, we use such a source in an integrated THz circuit to demonstrate the feasibility of an on-chip spectroscopy system through measurements on ...
Martin Muthee, Sigfrid Yngvesson
openaire   +1 more source

Dynamics and operation analysis of the PHB (polyhydroxybutyrate) fermentation

2015
Abstract PHB (polyhydroxybutyrate) is a biodegradable polymer that is gaining importance worldwide due to their applications. In this study, the PHB fermentation process is studied using sucrose as substrate and Azohydromonas australica as strain. A dynamic model of the isothermal reactor fermentation is used to calculate mainly product yield and ...
Moises González-Contreras, Omar Anaya-Reza, Mauricio Sales-Cruz, Teresa Lopez-Arenas   +3 more
openaire   +1 more source

Thermal and rheological properties of modified polyhydroxybutyrate (PHB)

Polymer Engineering & Science, 2019
With the discussion of sustainability and the increased environmental awareness, the biopolymer poly‐β‐hydroxybutyrate (PHB) has gained more and more attention in recent years. It derives from renewable sources and can degrade in different environments to carbon dioxide and water.
Sandra Weinmann, Christian Bonten
openaire   +1 more source

Spherulitic Growth Rate of Blends of Polyhydroxybutyrate (PHB) with Oligomeric Atactic PHB-diol

Journal of Macromolecular Science, Part B, 2011
Spherulitic growth rates of blends of polyhydroxybutyrate (PHB) with oligomers of atactic R,S-PHB-OH (Mn = 610, 910, and 2670 g/mol), as well as atactic R,S-PHB (Mn = 30 000 g/mol), were investigated by polarized light optical microscopy in the range from 50°C to 110°C.
S. H. El-Taweel, B. Stoll
openaire   +1 more source