We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Papers
61,005 resultsShowing papers similar to Scalable Biosynthesis and Recovery of Poly-3-Hydroxybutyrate Produced from Cotton-Derived Glucose by Cupriavidus necator
ClearScalable Biosynthesis & Recovery of Poly-3-Hydroxybutyrate Produced from Cotton-Derived Glucose by Ralstonia eutropha
Researchers optimised the biosynthesis and recovery of poly-3-hydroxybutyrate using cotton-derived glucose as a substrate with Ralstonia eutropha, addressing the high production costs that limit large-scale use of this biodegradable biopolymer alternative to petroleum-based plastics.
A Review on Enhancing Cupriavidus necator Fermentation for Poly(3-hydroxybutyrate) (PHB) Production From Low-Cost Carbon Sources
This review summarizes strategies for enhancing poly(3-hydroxybutyrate) bioplastic production by Cupriavidus necator using low-cost carbon sources, covering metabolic engineering approaches and fermentation optimization as sustainable alternatives to conventional plastics.
Biosynthesis of Poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) from CO2 by a Recombinant Cupriavidusnecator
A recombinant Cupriavidus necator strain was engineered to produce the flexible, marine-biodegradable copolyester PHBHHx from CO2 as the sole carbon source, demonstrating a route to bio-based plastic production that avoids competition with food crops for feedstocks.
Characterization of Poly(3-hydroxybutyrate) (P3HB) from Alternative, Scalable (Waste) Feedstocks
This study compares two biodegradable bioplastics (P3HB) made from waste feedstocks — one produced by cyanobacteria using sunlight and CO2, the other by methane-eating bacteria — and finds both have thermal and mechanical properties on par with conventionally produced P3HB. The relevance to microplastics is indirect: switching to genuinely biodegradable plastics made from waste gases could reduce the long-lasting microplastic particles generated by conventional petroleum-based polymers.
Selection of polyhydroxybutyrate-producing bacteria and their polyhydroxybutyrate production using cassava and glycerol as carbon sources
Researchers selected effective polyhydroxybutyrate (PHB)-producing bacteria and evaluated their ability to produce PHB using low-cost carbon sources including cassava and glycerol, aiming to reduce the high production costs that limit PHB bioplastics as a competitive alternative to synthetic plastics.
Statistical optimization of P(3HB-co-3HHx) copolymers production by Cupriavidus necator PHB−4/pBBR_CnPro-phaCRp and its properties characterization
This paper is not about microplastics; it describes optimization of bacterial fermentation conditions to produce a biodegradable bioplastic copolymer (P(3HB-co-3HHx)) using palm oil as a carbon source.
A review on poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) [P(3HB-co-3HHx)] and genetic modifications that affect its production
This review examined the properties, biodegradation behavior, and application potential of the biopolymer P(3HB-co-3HHx), a polyhydroxyalkanoate with mechanical properties comparable to common commodity plastics. The authors assess its viability as a drop-in replacement for single-use plastics, medical devices, and packaging with genuine end-of-life biodegradability.
Enhanced production of biobased, biodegradable, Poly(3-hydroxybutyrate) using an unexplored marine bacterium Pseudohalocynthiibacter aestuariivivens, isolated from highly polluted coastal environment
Researchers isolated and characterised Pseudohalocynthiibacter aestuariivivens P96, a marine bacterium from a highly polluted coastal environment, finding it capable of producing poly(3-hydroxybutyrate) (PHB) at up to 4.73 g/L corresponding to 87% of total cell dry weight, representing a promising bio-based and biodegradable alternative to fossil-fuel plastics.
Production of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) by Haloferax mediterranei Using Candy Industry Waste as Raw Materials
Researchers explored using candy industry waste as a low-cost feedstock for the haloarchaeon Haloferax mediterranei to produce PHBV, a biodegradable polymer that could serve as an alternative to conventional plastics. They found that the microorganism could effectively convert sugar-rich waste streams into this bio-based material without requiring expensive precursor chemicals. The study presents a circular economy approach that simultaneously addresses food industry waste and plastic pollution.
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
Bacterial genes were engineered to improve production of PHB, a natural biodegradable plastic substitute, in bacteria that grow without using sugar as a carbon source. More efficient bio-based plastic production could help reduce dependence on petroleum-derived plastics.
Leptolyngbya sp. NIVA-CYA 255, a Promising Candidate for Poly(3-hydroxybutyrate) Production under Mixotrophic Deficiency Conditions
Researchers investigated the cyanobacterium Leptolyngbya sp. NIVA-CYA 255 as a candidate for biodegradable poly(3-hydroxybutyrate) (PHB) bioplastic production, finding that a three-stage cultivation process combining phototrophic nitrogen/phosphorus depletion followed by mixotrophic sodium acetate supplementation enhanced PHB accumulation, confirmed by FTIR, GC-MS, and fluorescent dye analyses.
Sustainable Cotton Gin Waste/Polycaprolactone Bio-Plastic with Adjustable Biodegradation Rate: Scale-Up Production through Compression Moulding
This paper is not directly about microplastics; it explores the development of a biodegradable composite bioplastic made from cotton gin waste and polycaprolactone, aimed at reducing conventional plastic waste through compostable alternatives.
Influence of microbial biomass content on biodegradation and mechanical properties of poly(3-hydroxybutyrate) composites
This paper is not about microplastics — it studies how adding microbial biomass (algae and cyanobacteria) to a biodegradable polyester (PHB) accelerates its degradation rate in soil.
Polyhydroxyalkanoate production by Cupriavidus necator with inedible rice
Researchers optimized polyhydroxyalkanoate (PHA) production by Cupriavidus necator using inedible rice hydrolysate as a carbon source, achieving 4.82 g/L PHA at 68.6% cell content after 72 hours at 5-L scale, comparable to glucose-fed conditions (4.74 g/L at 77.6%). The study demonstrates that inedible rice hydrolysate is a viable low-cost feedstock for biodegradable PHA polymer production as an alternative to petroleum-based plastics.
Isolation, Production, Extraction, Optimization and Fortification of PHB using Silver Nanoparticles from Lactobacillus Casei
Researchers isolated soil bacteria capable of producing the biopolymer polyhydroxybutyrate (PHB) as a biodegradable plastic substitute, optimizing PHB production from Lactobacillus casei and exploring fortification with silver nanoparticles to enhance material properties.
Fast, inexpensive, and reliable HPLC method to determine monomer fractions in poly(3-hydroxybutyrate-co-3-hydroxyvalerate)
Researchers developed a fast, inexpensive HPLC method for accurately determining monomer fractions in poly(3-hydroxybutyrate-co-3-hydroxyvalerate), a biodegradable microbial plastic copolymer. The method provides a reliable alternative to existing techniques for supporting bioprocess control and mathematical modeling in bioplastic production.
Enhancing the Mechanical Properties of Inherently Brittle, Biobased and Biodegradable Polyhydroxybutyrate (PHB) Polymer by Cotton Fibre Reinforcement and Interfacial Grafting
This study developed biobased and biodegradable packaging films by modifying PLA and PBSA blends, achieving improved flexibility and toughness compared to brittle pure PLA, with the goal of replacing fossil-fuel-based packaging materials with compostable alternatives.
Characterization of newly isolated thermotolerant bacterium Cupriavidus sp. CB15 from composting and its ability to produce polyhydroxyalkanoate from glycerol
Researchers characterized a newly isolated thermotolerant bacterium, Cupriavidus sp. CB15, from composting environments and demonstrated its ability to produce polyhydroxyalkanoate (PHA) bioplastic from glycerol, offering a cost-effective route to biodegradable polymer production.
Sugar Beet Molasses as a Potential C-Substrate for PHA Production by Cupriavidus necator
Sugar beet molasses hydrolysates were evaluated as low-cost carbon substrates for polyhydroxyalkanoate (PHA) bioplastic production by the bacterium Cupriavidus necator, finding that the strain could efficiently convert molasses sugars into PHA at competitive yields. The study supports agricultural byproduct streams as economically viable feedstocks for scaling up microbially produced biodegradable plastics.
Microbial Production of Biopolymer Polyhydroxybutyrate (PHB): Current Challenges and its Application
This review examines the microbial production of polyhydroxybutyrate (PHB), a biodegradable polyester produced by microorganisms as an energy and carbon storage compound, covering current production challenges and industrial applications. The study discusses PHB as a biopolymer alternative to petroleum-based plastics, addressing cost, yield, and scalability barriers limiting its commercial adoption.
Physicochemical cell disruption of Bacillus sp. for recovery of polyhydroxyalkanoates: future bioplastic for sustainability
Researchers tested mechanical methods — including grinding, sonication, and glass bead vortexing — to extract polyhydroxybutyrate (PHB), a biodegradable plastic produced by bacteria, without using toxic chemical solvents. Sonication with a lysis buffer achieved the highest yield at 45%, pointing toward greener industrial processes for producing this promising sustainable bioplastic.
A Review of PHB Production by Cyanobacteria and Its Applications
This review examines cyanobacteria as photoautotrophic producers of polyhydroxybutyrate (PHB) bioplastic, summarizing how nutrient-stress conditions stimulate PHB accumulation and evaluating the cost-effectiveness and sustainability of using cyanobacteria as an alternative to conventional feedstocks for biodegradable plastic production.
Copolymers and Blends Based on 3-Hydroxybutyrate and 3-Hydroxyvalerate Units
This paper is not about microplastics. It reviews the biodegradable biopolymer PHBV (poly(3-hydroxybutyrate-co-3-hydroxyvalerate)), covering its production, properties, degradation behavior, and applications in various sectors. While PHBV is studied as a potential biodegradable alternative to conventional plastics, this paper focuses on polymer science and materials engineering rather than microplastic pollution.
A bibliometric landscape of polyhydroxyalkanoates production from low-cost substrates by Cupriavidus necator and its perspectives for the Latin American bioeconomy
This bibliometric analysis examined research on polyhydroxyalkanoate (PHA) biopolymer production by the model bacterium Cupriavidus necator using low-cost substrates, reviewing the field's relevance to the Latin American bioeconomy. Cupriavidus necator can accumulate PHAs up to 90% of dry cell weight, making it a key organism for developing biodegradable alternatives to petroleum-based plastics.