Papers

61,005 results
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Article Tier 2

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.

2025 Agriculture and Natural Resources
Article Tier 2

Valorization of agro-industrial waste from the cassava industry as esterified cellulose butyrate for polyhydroxybutyrate-based biocomposites

This study produced biodegradable biocomposites from cassava pulp microcrystalline cellulose and in-house synthesized polyhydroxybutyrate (PHB) biopolymer. The cassava agro-industrial waste-based materials offer a sustainable alternative to petroleum-based plastics for packaging applications, with the potential to reduce environmental microplastic accumulation.

2023 PLoS ONE 2 citations
Article Tier 2

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.

2025 Preprints.org
Article Tier 2

Microalgae as Contributors to Produce Biopolymers

This review examined how microalgae can produce biopolymers as sustainable alternatives to fossil-based plastics, highlighting their potential for generating biodegradable materials like polyhydroxyalkanoates and polysaccharides for packaging and biomedical applications.

2021 Marine Drugs 128 citations
Article Tier 2

Role of microalgae as a sustainable alternative of biopolymers and its application in industries

Not a microplastics paper — this review examines the potential of algae-derived biopolymers (such as alginate, carrageenan, and polyhydroxyalkanoates) as biodegradable, eco-friendly replacements for petroleum-based plastics, highlighting their advantages but noting challenges for large-scale production.

2023 Plant Science Today 14 citations
Article Tier 2

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.

2022 Bioresource Technology 18 citations
Article Tier 2

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).

2024
Article Tier 2

Microbial degradation of polypropylene microplastics and concomitant polyhydroxybutyrate production: An integrated bioremediation approach with metagenomic insights

Researchers isolated microbial consortia capable of degrading polypropylene microplastics, achieving weight losses of up to 17.8% after 30 days of incubation. The most effective consortium also produced polyhydroxybutyrate, a biodegradable plastic alternative, while breaking down the polypropylene. Metagenomic analysis revealed abundant carbohydrate-active enzymes and oxidation pathways, suggesting an integrated bioremediation approach that simultaneously degrades plastic waste and generates a useful bioplastic.

2025 Journal of Hazardous Materials 9 citations
Article Tier 2

The Halophilic Bacterium Paracoccus haeundaensis for the Production of Poly(3-Hydroxybutyrate-co-3-Hydroxyvalerate) from Single Carbon Sources

This study demonstrated for the first time that Paracoccus haeundaensis can produce polyhydroxyalkanoates (PHAs) under nitrogen-limited conditions with glucose as carbon source, identifying it as a potential new bacterial host for biodegradable plastic production.

2023 Journal of Microbiology and Biotechnology 4 citations
Article Tier 2

Microbial synthesis of eco-friendly polylactate plastic from low-cost agro-industrial wastes as an alternative to petrochemical-based plastic

This study isolated soil and food waste bacteria capable of producing polylactic acid (PLA) bioplastic from low-cost agricultural byproducts. PLA is a biodegradable alternative to petroleum-based plastics, and producing it from waste feedstocks improves both its economics and environmental profile.

2023 Global NEST Journal 1 citations
Article Tier 2

Valorisation of Sugarcane Bagasse for the Sustainable Production of Polyhydroxyalkanoates

This review examines the potential of using sugarcane bagasse, an abundant agricultural waste, as a low-cost feedstock for producing polyhydroxyalkanoates, a biodegradable alternative to synthetic plastics. Researchers found that while the approach is promising for reducing production costs, challenges remain in the pretreatment and hydrolysis steps needed to release fermentable sugars. The study highlights ongoing research aimed at making bioplastic production from agricultural waste commercially viable.

2024 Sustainability 15 citations
Article Tier 2

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.

2025 Circular Agricultural Systems
Article Tier 2

Scalable 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.

2025 Preprints.org
Article Tier 2

Transformation of Enzymatic Hydrolysates of Chlorella–Fungus Mixed Biomass into Poly(hydroxyalkanoates)

Researchers demonstrated that enzymatic hydrolysates of mixed Chlorella-fungus biomass can be biotransformed into polyhydroxyalkanoates (PHAs), offering a low-cost feedstock route for producing biodegradable bioplastics from algal waste.

2023 Catalysts 9 citations
Article Tier 2

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.

2025
Article Tier 2

Microalgae in Bioplastic Production: A Comprehensive Review

Researchers reviewed microalgae as a feedstock for bioplastic production, highlighting that algal polysaccharides and polyhydroxyalkanoate content can be harnessed through blending or fermentation-based methods, with genetic engineering tools like CRISPR offering potential to boost yields toward commercial viability.

2023 Arabian Journal for Science and Engineering 73 citations
Article Tier 2

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.

2023 Asian Journal of Chemistry 3 citations
Article Tier 2

Bioplastics against Microplastics: Screening of Environmental Bacteria for Bioplastics Production

Researchers screened environmental bacteria for their ability to produce polyhydroxyalkanoate bioplastics, which are biodegradable alternatives to conventional petroleum-based plastics. Developing efficient bioplastic-producing strains is one strategy to reduce the long-term accumulation of persistent microplastics in the environment.

2023 Environmental sciences
Article Tier 2

Biopolymers production from microalgae and cyanobacteria cultivated in wastewater: Recent advances

This review explores how microalgae and cyanobacteria grown in wastewater can produce biodegradable biopolymers as an alternative to conventional plastics. Researchers found that these organisms can manufacture polyhydroxyalkanoates and other bioplastics while simultaneously helping to treat wastewater. The approach offers a promising dual benefit of reducing plastic pollution and creating value from waste streams.

2022 Biotechnology Advances 101 citations
Article Tier 2

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.

2024 Bioengineering 17 citations
Review Tier 2

A Review of Potency of Cassava Peel Waste and Seaweed Carrageenan as Environmentally Friendly Bioplastic

This Indonesian review examines the potential of cassava peel waste and seaweed carrageenan as raw materials for making biodegradable bioplastics. Replacing conventional plastic packaging with plant-based alternatives could reduce the microplastic particles that accumulate in soil and water from degrading conventional plastics.

2023 International Journal of Hydrological and Environmental for Sustainability 2 citations
Article Tier 2

Exploring Star Fruit Extract as an Alternative Substrate for Polyhydroxyalkanoates Production by Bacillus licheniformis NJ04

Researchers explored star fruit extract as a low-cost alternative carbon substrate for polyhydroxyalkanoate (PHA) bioplastic production by Bacillus licheniformis NJ04, aiming to address the high production costs that limit PHA commercialization. The study evaluated fermentation efficiency and PHA yield from this underutilized fruit waste substrate as a step toward more economically viable biodegradable plastic production.

2025 Journal of Pure and Applied Microbiology
Article Tier 2

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.

2022 Journal Of Biochemical Technology 8 citations
Article Tier 2

Production of single-cell-protein (SCP) / poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) matrices through fermentation of archaea Haloferax mediterranei

This study produced a combined single-cell protein and biodegradable biopolymer (PHBV) matrix using archaea grown on hydrolyzed bread waste, simultaneously generating a sustainable protein source and a biodegradable bioplastic precursor from food waste. The approach offers a circular bioeconomy alternative to petrochemical plastics.

2023