Results 171 to 180 of about 15,925 (204)
Editorial: Novel bioconversion technology of waste and wastewater for resource recovery. [PDF]
Front MicrobiolLiang J, Wu L, Chen L, Sun L.
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PHB Into PHB: Recycling of Polyhydroxybutyrate by a Tandem “Thermolytic Distillation-Microbial Fermentation” Process [PDF]
Resources, Conservation and Recycling, 2022 Abstract The recycling of polyhydroxybutyrate (PHB) via depolymerization-polymerization is here proposed and assessed for the first time. Effective depolymerization of PHB to crotonic acid through a thermolytic distillation at mild conditions (170 °C and 150 mbar), and without the need of any catalyst, gives a crotonic acid-enriched condensate (94 ...
Cristian Torri +2 more
exaly +5 more sources
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Modeling Pure Culture Heterotrophic Production of Polyhydroxybutyrate (PHB)
Bioresource Technology, 2014In 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 +2 more
exaly +3 more sources
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 +2 more
exaly +3 more sources
Crystallization behavior of polyhydroxybutyrate (PHB)
AIP Conference Proceedings, 2016Polyhydroxybutyrate (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
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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 +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), 2013We 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
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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.
Diana Isabel, Martínez-Tobón +3 more
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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.
Diana Isabel, Martínez-Tobón +3 more
openaire +2 more sources
Thermal and rheological properties of modified polyhydroxybutyrate (PHB)
Polymer Engineering & Science, 2019With 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
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The applications and challenges of polyhydroxybutyrate (PHB) as ketobiotics in food science
Biotechnology AdvancesPolyhydroxybutyrate (PHB), as a representative member of the polyhydroxyalkanoate (PHA) family, has traditionally been regarded as an eco-friendly biomaterial due to its biodegradability and biocompatibility. In recent years, studies on gut microbiota have revealed its unique "ketone donor" property - by slowly releasing 3-hydroxybutyrate (3-HB) in the
Shuang, Gao +5 more
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