We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Masterbatch-enabled acceleration of polyolefin biodegradation under open air terrestrial environmental conditions
AI summary Read the abstract
Scientists found that adding a special additive (called a Biotransformation Masterbatch) to common plastics like polyethylene and polypropylene, found in packaging and single-use items, allowed them to fully break down in soil, something these plastics have never been shown to do before. Importantly, the breakdown process didn't harm soil or water organisms and didn't disrupt the natural microbes in soil, suggesting this could be a safer way to reduce plastic waste that would otherwise persist for decades and break into microplastics. While this doesn't directly address existing microplastic pollution, it points to a promising path for making future plastic products less likely
Polyolefins, commonly used in packaging and single-use products, are notoriously persistent in the environment, contributing significantly to environmental pollution. In scientific literature to date, polyolefins have not been reported to fully biodegrade. This study examines the biodegradation potential of polyolefin materials, specifically polyethylene (PE) and polypropylene (PP), enhanced through the incorporation of Biotransformation Masterbatch technology. The inclusion of the Biotransformation Masterbatch accelerated and enabled the full biodegradation of PE and PP, as demonstrated by laboratory weathering, and biodegradation studies in soil at mesophilic temperatures. Ecotoxicity tests revealed no adverse effects on test organisms in both soil and water environments, while metagenomics analysis demonstrated that biodegradation of these polyolefins did not significantly change the soil microbiota composition, which showed higher metabolic activity compared to virgin plastic controls. These findings demonstrate that Biotransformation technology provides an effective solution for delivering polyolefin-based materials with reduced environmental impact. It offers a sustainable alternative to conventional plastics, preserving the performance characteristics of traditional polyolefins while addressing the problem with fugitive plastic waste in the environment.
More Papers Like This
A progress update on the biological effects of biodegradable microplastics on soil and ocean environment: A perfect substitute or new threat?
AI summary Read the abstract
This review examines whether biodegradable plastics, often marketed as eco-friendly alternatives, actually break down safely in the environment. The evidence shows that biodegradable plastics often fragment into microplastics rather than fully decomposing, and these biodegradable microplastics can harm soil organisms, marine life, and disrupt nutrient cycles. The findings suggest that simply switching to biodegradable plastics may not solve the microplastic pollution problem and could introduce new environmental risks.
Microplastic accumulation in soils: Unlocking the mechanism and biodegradation pathway
AI summary Read the abstract
Researchers reviewed how microplastics accumulate in soil and break down biologically, finding that certain microorganisms can form biofilms on plastic surfaces and use enzymes to slowly degrade the polymers — though conditions like pH, temperature, and moisture must be optimized and new plastic-degrading microbes need to be identified before this approach can be widely applied.
Harnessing microorganisms for multiscale biodegradation of microplastics and nanoplastics in terrestrial and aquatic environments
AI summary Read the abstract
Tiny plastic particles called microplastics and nanoplastics have spread throughout our soil and water, and scientists once thought they'd stick around forever—but this review of existing research shows certain microbes and environmental conditions (like sunlight, heat, and moisture) can actually break some of them down. This matters because it hints at future cleanup methods using bacteria, fungi, or even plants working with microbes to reduce plastic pollution before it builds up further in our food and water supplies. That said, scientists still don't fully understand how this breakdown happens or whether it's safe and scalable enough to rely on, so more research is needed before this
Unravelling the ecological ramifications of biodegradable microplastics in soil environment: A systematic review
AI summary Read the abstract
Researchers reviewed 85 studies on biodegradable microplastics in soil, finding that when biodegradable plastics fail to fully break down they can disrupt soil structure, nutrient cycling, and microbial life in ways that depend heavily on concentration and plastic type. The review highlights that "biodegradable" plastics are not a simple fix for microplastic pollution in agricultural soils.
Degradation of biodegradable plastic films in soil: microplastics formation and soil microbial community dynamics
AI summary Read the abstract
Scientists tracked what happens when biodegradable PBAT plastic films break down in soil over 180 days and found they release microplastics that peaked before declining. Fungi broke the films into smaller pieces while bacteria consumed the fragments, suggesting that even plastics marketed as biodegradable generate microplastics during their breakdown, though soil microbes can eventually help clean them up.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.