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61,005 resultsShowing papers similar to Comparative evaluation of polyethylene degradation efficiency by two Pseudomonas aeruginosa strains from urban waste disposal areas
ClearSelection of microorganisms capable of polyethylene (PE) and polypropylene (PP) degradation
Researchers developed an effective selection method for microorganisms capable of degrading polyethylene and polypropylene, isolating seven bacterial strains including Priestia megaterium and Pseudomonas fluorescens that showed measurable polymer degradation.
Isolation and characterization of new bacterial strains degrading low-density polyethylene
Researchers isolated and characterized new bacterial strains capable of degrading low-density polyethylene, one of the most common plastic polymers. The strains were found in landfill and compost environments, and the study suggests that biological degradation could be a promising approach for addressing polyethylene waste accumulation.
Isolation of a soil bacterium for remediation of polyurethane and low-density polyethylene: a promising tool towards sustainable cleanup of the environment.
A soil bacterium tentatively classified in the Pseudomonas genus was found to biodegrade both polyurethane and low-density polyethylene plastics. The discovery of a single bacterial strain capable of degrading two different types of plastic is a step toward developing practical microbial tools for plastic waste remediation.
Biodegradation of sachet water polyethylene plastic waste using bacteria isolates
Researchers isolated two bacterial strains — Pseudomonas aeruginosa and Rossellomorea aquimaris — from Nigerian environmental samples and demonstrated they can degrade polyethylene sachet-water plastic, achieving a 22.5% weight loss and chemical evidence of polymer breakdown as measured by FTIR and GC-MS.
Biodegradation of polyethylene: a brief review
This review examines research on biodegradation of polyethylene by microorganisms, summarizing the physico-chemical changes observed and noting that while promising bacterial strains have been identified, complete biodegradation under ambient conditions has not been achieved.
A polyethylene surrogate for microbial community enrichment and characterization
Researchers developed a method to enrich and characterize microbial communities capable of biodegrading a polyethylene surrogate, enabling study of potential polyethylene degradation over much shorter timescales than direct polyethylene experiments would allow, and using the approach to isolate several candidate degrading microbial communities.
Biodegradation of micro-polyethylene particles by bacterial colonization of a mixed microbial consortium isolated from a landfill site
A bacterial consortium isolated from a municipal landfill, dominated by Bacillus and Paenibacillus species, was shown to reduce the dry weight of polyethylene microplastic particles by 14.7% and particle diameter by 22.8% after 60 days of incubation. The study provides evidence that landfill-adapted bacteria can biodegrade PE microplastics under mesophilic conditions.
Comparison of the Biodegradation of Polypropylene (PP) and Low Density Polyethylene (LDPE) by Pseudomonas aeruginosa and Staphylococcus aureus at Different pH Ranges under Mesophilic Condition
Researchers compared the biodegradation of polypropylene and low-density polyethylene by Pseudomonas aeruginosa and Staphylococcus aureus across acidic, neutral, and alkaline pH under mesophilic conditions over 60 days, measuring weight loss and physicochemical parameters to determine how pH influences bacterial degradation efficiency for each polymer.
Biodegradation of cassava starch modified low density polyethylene by Bacillus cereus and Pseudomonas aeruginosa isolated from waste dumpsite
Bacterial strains of Bacillus cereus and Pseudomonas aeruginosa isolated from a dumpsite soil were tested for their ability to degrade cassava starch-modified LDPE plastic. The bacteria reduced plastic weight and altered surface properties over 90 days of incubation. This study identifies locally sourced bacteria with potential for bioremediation of plastic-contaminated waste environments.
Biodegradation of Polypropylene By Pseudomonas Aeruginosaisolated From Wastewater Associated Soil; A Potential Method To Eliminate The Plastic Pollution To Save Ecosystem
Researchers isolated Pseudomonas aeruginosa bacteria from wastewater-associated soil and tested its ability to biodegrade polypropylene — the plastic used in many surgical masks and disposable products. The bacteria showed measurable plastic-degrading activity under lab conditions. This research is relevant to developing microbial solutions for degrading pandemic-era disposable plastic waste.
Construction and degradation characteristics of high-efficiency polyethylene degrading composite microbial community
Researchers engineered a high-efficiency polyethylene-degrading microbial consortium and characterized its degradation pathways and kinetics, finding substantial mass loss and chemical modification of polyethylene under optimized conditions. The consortium outperformed previously described single-species degraders, advancing the development of biological solutions for hard-to-recycle plastic waste.
In vivo degradation of polyethylene terephthalate using microbial isolates from plastic polluted environment.
Researchers isolated four microbial strains from plastic waste dumping sites and tested their ability to degrade polyethylene terephthalate in vivo, finding measurable weight loss and surface modification of PET films over 30 days, with Aspergillus species demonstrating the highest degradation efficiency.
Development of tailored indigenous marine consortia for the degradation of naturally weathered polyethylene films
Researchers developed tailored indigenous marine bacterial consortia for polyethylene degradation, conducting a two-phase microcosm experiment that bioaugmented naturally weathered PE films with strains capable of using low-density polyethylene as a sole carbon source.
Introducing the LDPE degrading microbes of sedimentary systems: from dumpsite to laboratory
This study identified and characterized low-density polyethylene (LDPE)-degrading microbes from dumpsite sedimentary systems, isolating bacteria capable of utilizing LDPE as a carbon source—providing a starting point for developing biological solutions to plastic pollution remediation.
Isolation and Characterization of Polyethylene and Polyethylene Terephthalate-degrading Bacteria from Jakarta Bay, Indonesia
Researchers isolated bacteria from Jakarta Bay, Indonesia, that showed the ability to degrade polyethylene and polyethylene terephthalate microplastics in laboratory conditions. They identified the most effective bacterial strains and confirmed plastic degradation through weight loss measurements and surface analysis. The study supports the potential of using naturally occurring marine bacteria for bioremediation of plastic-polluted coastal environments.
Bioprospecting indigenous bacteria from landfill leachate for enhanced polypropylene microplastics degradation
Researchers isolated bacteria from landfill leachate to test their ability to degrade polypropylene microplastics. They identified a novel Staphylococcus haemolyticus strain that reduced polypropylene dry weight by over 25% in 30 days, with surface and chemical analysis confirming structural degradation through hydrolysis and oxidation.
Challenges with Verifying Microbial Degradation of Polyethylene
This critical review examines published claims of microbial polyethylene degradation, finding that while surface colonization and minor chemical changes have been demonstrated, complete biodegradation of polyethylene under ambient conditions remains unproven and methodological rigor is often lacking.
Characterization of plastic degrading bacteria isolated from sewage wastewater
Researchers isolated bacteria from sewage wastewater that can degrade plastic, with two Pseudomonas strains achieving 25% weight loss of plastic pieces over 120 days. Chemical analysis confirmed the bacteria were breaking down and transforming the plastic polymer bonds. These plastic-eating bacteria could offer a green biotechnology approach to reducing microplastic pollution in wastewater systems.
Enhancing polyethylene degradation: a novel bioprocess approach using Acinetobacter nosocomialis pseudo-resting cells
A bioprocess using pseudo-resting cells of the bacterium Acinetobacter nosocomialis was developed for efficient degradation of low-density polyethylene (LDPE), with the strain isolated from PE-containing landfills. The study optimized culture conditions to generate catalytic cells capable of oxidizing LDPE surfaces.
A Foundation for Advancing Studies of the Biodegradation of Polyethylene Surrogates by Environmental and Model Laboratory Microbes.
Researchers established a foundation for studying polyethylene biodegradation by surveying microbes capable of degrading branched or linear waxy hydrocarbon surrogates, finding that the degree of branching significantly influences degradability and identifying key environmental and laboratory microbes for further study.
Exploitation of bacterial strains for microplastics (LDPE) biodegradation
Researchers tested five bacterial strains for their ability to biodegrade low-density polyethylene microplastics over four months. Pseudomonas aeruginosa showed the most significant degradation with an 18.2% weight loss, followed by Bacillus subtilis at 16.1%. The study demonstrates that naturally occurring soil bacteria can break down polyethylene microplastics, suggesting a potential biological approach to addressing plastic waste pollution.
Environmental Hazard of Polypropylene from Disposable Face Masks Linked to the COVID-19 Pandemic and Its Possible Mitigation Techniques through a Green Approach
Researchers assessed the biodegradation of disposable face masks made from polypropylene using Pseudomonas aeruginosa and found partial degradation was achievable, highlighting both the environmental hazard of pandemic-era PPE waste and potential microbial remediation strategies.
Screening and isolation of polyethylene microplastic degrading bacteria from mangrove sediments in southern China
Four polyethylene microplastic-degrading bacterial strains (Acinetobacter venetianus, Serratia marcescens, Chryseobacterium cucumeris, and Bacillus albus) were isolated from southern China mangrove sediments, demonstrating measurable PE degradation and offering candidates for bioremediation of PE-contaminated coastal ecosystems.
Recent progresses and perspectives of polyethylene biodegradation by bacteria and fungi: A review
This review examines the current state of polyethylene biodegradation by bacteria and fungi, one of the most widely used and difficult-to-degrade plastics. Researchers found that factors such as surface hydrophobicity, physical pretreatment, and environmental conditions significantly influence microbial degradation rates, with biodegradation involving biofilm formation, fragmentation, and eventual mineralization.