Plastics and Microplastic: A Major Risk Factor to the Soil, Water and Marine Environments

Karn, Santosh Kumar; Jenkinson, Ian R.

doi:10.2174/2211550108999190717091621

Cited by 3 publications

(2 citation statements)

References 7 publications

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“…Furthermore, natural exposure of plastics to environmental elements, namely solar radiation and ocean waves causes disintegration of bigger plastic objects, such as water bottles, to generate microplastics. These microplastics harm all kinds of life and hence, damage a sustainable ecosystem (Karn and Jenkinson, 2019). There is a dire requirement for effective biological methods to biodegrade both macro and microplastics.…”

Section: Introductionmentioning

confidence: 99%

Comparison study on low-density polyethylene film biodegradation potential of Achoria grisella and Galleria mellonella larvae

Kapahi,

Marwaha,

Kaur

et al. 2023

JEB

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Aim: The current research investigates biodegradation of Low-Density Polyethylene (LDPE) facilitated with and without gut microbiota in Galleria mellonella and Achoria grisella. Methodology: A batch of 50 larvae of Galleria mellonella and Achoria grisella administered with antibiotics (A group) along with larvae not fed with antibiotics (WA group) were exposed to LDPE film. After biodegradation, the weight loss of degraded LDPE film, Scanning Electron Microscopy, Fourier Transform Infrared Spectroscopy, Thermogravimetric Analysis, and Gas Chromatography-Mass Spectroscopy analysis were performed to confirm the plastic biodegradation potential of selected insects. Results: In a and WA groups, the post-biodegradation for a selected species of wax moth exhibited weight loss of 2.763%, 0.789%, 5.403% and 1.481%, respectively. The SEM images revealed that both A and WA groups were capable of LDPE film disintegration. The FTIR of biodegraded film confirmed the deterioration of LDPE by indicating a change in the typical peaks of C−H and H−C−H bonds that points out the biodegradation of polyethylene.Further, the thermogravimetric analysis showed a substantial mass loss in the LDPE flakes consumed by the insects, demonstrating a decline in the thermal stabilities of disintegrated polymers. GC-MS of frass validated the presence of many component groups, including alkanes, alcohols, esters, ethers and acids, which confirmed the biodegradation of LDPE. Interpretation: Wax worms possess the capacity to biodegrade LDPE, independent of gut microbiota Key words: Achoria grisella, Antibiotic, Galleria mellonella, Low-density polyethylene

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Section: Introductionmentioning

confidence: 99%

Comparison study on low-density polyethylene film biodegradation potential of Achoria grisella and Galleria mellonella larvae

Kapahi,

Marwaha,

Kaur

et al. 2023

JEB

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show abstract

“…(Gadhave et al, 2018). Bioplastics can be produced from biomass, organic waste, natural polysaccharides, renewable raw materials such as agricultural and food industrial waste (Karn and Jenkinson, 2019). These can be degraded by different microorganisms such as bacteria, fungi and algae.…”

Section: Introductionmentioning

confidence: 99%

Development and characterization of a novel biodegradable laboratory-made pullulan blended films

Viveka¹,

Nakkeeran²

2022

JEB

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Aim: To develop and characterize laboratory-made pullulan blended film using pullulan obtained from yeast-like fungus Aureobasidium pullulans mixed with gelatin and sodium alginate. Methodology: The laboratory-made pullulan blended (LPB) and standard pullulan blend (SPB) films were prepared by the solution casting method. Physical and mechanical properties were performed to examine the moisture content, film thickness, film solubility, tensile strength and elongation at break. Fourier transform infrared spectroscopy, X-ray diffraction, and field emission scanning electron microscope techniques were performed to analyze the interaction between the polymeric blends. Results: The polymeric blends had excellent miscibility and compatibility with the pullulan. The addition of glycerol to pullulan blended films improved the solubilization time in water at 125 sec. The blending ratio of pullulan, sodium alginate and gelatin led to lower rates of thickness, moisture content and higher elongation at break. Field Emission-SEM and FTIR analyses revealed that both sodium alginate and gelatin were compatible with pullulan. XRD results confirmed that pullulan blended films possess an amorphous structure that readily absorbs the moisture content. The biodegradability test confirmed the potential use of pullulan blended films as biodegradable plastic film. Interpretation: The laboratory-made pullulan blended films exhibited improved mechanical and water barrier properties due to strong interaction between the plasticizer and polymer matrixes which enhances the flexibility of pullulan blended films for the fabrication of biodegradable plastic film. Key words: Aureobasidium pullulans, Biodegradable plastic film, Microscopic techniques, Pullulan blended films

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The Impacts of Plastics on Environmental Sustainability and Ways to Degrade Microplastics

Singh

Bharathi

Jacob

2023

Applied Biotechnology for Emerging Pollutants Remediation and Energy Conversion

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Plastics and Microplastic: A Major Risk Factor to the Soil, Water and Marine Environments

Cited by 3 publications

References 7 publications

Comparison study on low-density polyethylene film biodegradation potential of Achoria grisella and Galleria mellonella larvae

Comparison study on low-density polyethylene film biodegradation potential of Achoria grisella and Galleria mellonella larvae

Development and characterization of a novel biodegradable laboratory-made pullulan blended films

The Impacts of Plastics on Environmental Sustainability and Ways to Degrade Microplastics

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