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61,005 resultsShowing papers similar to Microbial Production of Biopolymer Polyhydroxybutyrate (PHB): Current Challenges and its Application
ClearSelection 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.
Bacterial Production of Hydroxyalkanoates (PHA)
This review examines bacterial production of polyhydroxyalkanoates (PHA) as a biodegradable alternative to petroleum-based plastics, covering fermentation processes, scaling to industrial levels, and future trends, while noting that higher production costs currently prevent PHAs from competing commercially with conventional plastics.
Production of polyhydroxyalkanoate (PHA) biopolymer from crop residue using bacteria as an alternative to plastics: a review
This review examines how PHA, a biodegradable plastic made from crop waste using bacteria, could serve as a sustainable alternative to conventional plastics. While PHA breaks down naturally unlike traditional plastics that fragment into microplastics, challenges remain in making it heat-stable and cost-competitive enough for widespread industrial use.
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 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.
Polyhydroxyalkanoates biosynthesis, resulting polymer structures, and plasticization
This review examines polyhydroxyalkanoates (PHAs), a class of biodegradable biopolymers synthesized by microorganisms, discussing strategies including plasticizers and monomer inclusion to overcome the brittleness and processing challenges of the most common PHA, poly(3-hydroxybutyrate).
Current trends in the production of biodegradable bioplastics: The case of polyhydroxyalkanoates
This review evaluates the state of polyhydroxyalkanoate (PHA) bioplastic production, comparing microbiological, enzymatic, and chemical manufacturing approaches for their potential to replace petroleum-based plastics. While PHAs are naturally biodegradable and mechanically versatile, cost and scalability remain major barriers to commercial adoption.
Polyhydroxyalkanoate (PHA) Biopolyesters - Emerging and Major Products of Industrial Biotechnology
This review examined polyhydroxyalkanoate biopolyesters as industrially produced biodegradable plastics, covering their microbial biosynthesis, material properties, and commercial applications as sustainable alternatives to conventional petroleum-based plastics.
Challenges and opportunities of bioplastics produced from algae
This review explores the potential of algae as a sustainable source for bioplastic production, focusing on compounds like polyhydroxy butyrate (PHB) and polyhydroxy alkanoates (PHA). Researchers found that algae-based bioplastics show promise for reducing reliance on synthetic plastics across applications including horticulture, biomedical, and consumer products.
Polyhydroxyalkanoates (PHAs) – Production, Properties, and Biodegradation
This review covers polyhydroxyalkanoates (PHAs), a class of microbially produced biopolyesters, discussing raw material innovation, microbial producer strains, bioengineering approaches for improved yields, and end-of-life biodegradation options. PHAs are presented as a genuinely circular plastic alternative due to their renewable production, biodegradability, and compatibility with existing plastic applications including food packaging.
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.
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.
Insightful Advancement and Opportunities for Microbial Bioplastic Production
This review surveys advances in microbial production of polyhydroxyalkanoates (PHAs) and other bioplastics, highlighting fermentation optimization, feedstock diversification, and genetic engineering strategies that could make microbially-derived bioplastics economically competitive with petroleum-based plastics.
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.
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.
PHA-Based Bioplastic: a Potential Alternative to Address Microplastic Pollution
This review examines polyhydroxyalkanoate (PHA)-based bioplastics as biodegradable alternatives to petroleum-derived plastics, highlighting their potential to reduce microplastic pollution while discussing challenges in scaling production and improving material properties.
Beyond Intracellular Accumulation of Polyhydroxyalkanoates: Chiral Hydroxyalkanoic Acids and Polymer Secretion
This review covers polyhydroxyalkanoates (PHAs), biodegradable plastics produced by bacteria, which have potential as environmentally friendly alternatives to conventional petroleum-based plastics. Despite their versatility, PHAs remain expensive to produce at scale, limiting their commercial adoption.
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.
Biosynthesis of Polyhydroxyalkanoates (PHAs) by the Valorization of Biomass and Synthetic Waste
This paper explores the production of polyhydroxyalkanoates (PHAs), biodegradable microbial polymers, from biomass and waste feedstocks as a sustainable alternative to conventional synthetic plastics. PHAs can be naturally synthesized by bacteria, offering a pathway to biodegradable plastics that do not persist as microplastic pollution.
Exploiting sugar-rich feedstocks for sustainable polyhydroxyalkanoate production
Researchers investigated the use of sugar-rich agricultural feedstocks for sustainable production of polyhydroxyalkanoates (PHAs), evaluating these bacterial biopolymers as biodegradable alternatives to petrochemical plastics that contribute to microplastic pollution.
A Review on Biological Synthesis of the Biodegradable Polymers Polyhydroxyalkanoates and the Development of Multiple Applications
This review covers the biological production of polyhydroxyalkanoates, a family of biodegradable bioplastics that bacteria naturally produce from waste carbon sources. Researchers found that these biopolymers have properties similar to conventional plastics like polypropylene but can fully biodegrade, making them a promising alternative to petroleum-based plastics. The study emphasizes that scaling up production and establishing proper end-of-life management are critical steps for PHAs to compete with conventional plastics and help reduce microplastic pollution.
Polyhydroxybutyrate: a review of experimental and simulation studies of the effect of fillers on crystallinity and mechanical properties
This review covers experimental and simulation studies on how various fillers affect the crystallinity and mechanical properties of polyhydroxybutyrate (PHB), a biodegradable polymer candidate for replacing petroleum-based food packaging plastics. The authors synthesize findings on filler types, loading levels, and processing conditions that optimize the balance between biodegradability and structural performance.
Synthesis of Polyhydroxybutyrate (PHB) by Fermentation of Whey and Pineapple Peel with Bacillus subtilis
Researchers evaluated agro-industrial wastes from Ecuador -- specifically cheese whey and pineapple peel -- as carbon sources for producing polyhydroxybutyrate (PHB) bioplastic through fermentation with Bacillus subtilis. The study found that these low-cost renewable substrates could support PHB synthesis, offering a sustainable alternative to petroleum-based plastics.
Natural Deep Eutectic Solvents for PHB Recovery: Mechanistic Insights and Implications for Sustainable Downstream Processing
This study examines recovery methods for polyhydroxybutyrate (PHB), a biodegradable plastic alternative, with a focus on replacing toxic chlorinated solvents with green and natural deep eutectic solvents; PHB is relevant to microplastics research because switching from conventional plastics to PHB would reduce the long-lived microplastic fragments that accumulate in the environment. The paper provides quantitative comparisons of extraction yields and solvent recyclability to guide more sustainable PHB production at scale.