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Comparative e-waste plastics biodegradation efficacy of monoculture Pseudomonas aeruginosa strain PE10 and bacterial consortium under in situ condition

Frontiers in microbiology, 2024-01, Vol.14, p.1277186-1277186 [Peer Reviewed Journal]

Copyright © 2024 Debbarma, Suyal, Kumar, Zaidi and Goel. ;Copyright © 2024 Debbarma, Suyal, Kumar, Zaidi and Goel. 2024 Debbarma, Suyal, Kumar, Zaidi and Goel ;ISSN: 1664-302X ;EISSN: 1664-302X ;DOI: 10.3389/fmicb.2023.1277186 ;PMID: 38304861

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  • Title:
    Comparative e-waste plastics biodegradation efficacy of monoculture Pseudomonas aeruginosa strain PE10 and bacterial consortium under in situ condition
  • Author: Debbarma, Prasenjit ; Suyal, Deep Chandra ; Kumar, Saurabh ; Zaidi, M G H ; Goel, Reeta
  • Subjects: bio-recycling ; biodegradation ; consortium ; e-waste ; Microbiology ; monoculture
  • Is Part Of: Frontiers in microbiology, 2024-01, Vol.14, p.1277186-1277186
  • Description: A significant amount of electronic obsoletes or electronic waste (e-waste) is being generated globally each year; of these, ~20% of obsolete electronic items have plastic components. Current remediation practices for e-waste have several setbacks due to its negative impact on the environment, agro-ecosystem, and human health. Therefore, comparative biodegradation studies of e-waste plastics by monoculture strain PE10 and bacterial consortium consisting of strain PE2 (MF943156), strain PE5 (MF943157), PE8 (CP043311), and strain PE15 (MF943160) were carried out . Biological treatment of e-waste with these candidates in soil ecosystems has been analyzed through diversified analytical techniques such as Fourier transform infrared spectroscopy (FTIR), thermogravimetric-derivative thermogravimetry-differential thermal analysis (TG-DTG-DTA), and scanning electron microscopy (SEM). Both strain PE10 and the bacterial consortium have a tremendous ability to accelerate the biodegradation process in the natural environment. However, FTIR analysis implied that the monoculture had better efficacy than the consortium, and it was consistent until the incubation period used for the study. Some polymeric bonds such as ν C=C and δ C-H were completely removed, and ν C=C ring stretching, ν C-O-C, ν C-H, etc. were introduced by strain PE10. Furthermore, thermal analysis results validated the structural deterioration of e-waste as the treated samples showed nearly two-fold weight loss ( ; 6.8%) than the untreated control (3.1%) at comparatively lower temperatures. SEM images provided the details of surface disintegrations. Conclusively, individual monoculture strain PE10 could be explored for e-waste bio-recycling in agricultural soil ecosystems thereby reducing the cost, time, and management of bioformulation in addition to hazardous pollutant reduction.
  • Publisher: Switzerland: Frontiers Media S.A
  • Language: English
  • Identifier: ISSN: 1664-302X
    EISSN: 1664-302X
    DOI: 10.3389/fmicb.2023.1277186
    PMID: 38304861
  • Source: GFMER Free Medical Journals
    PubMed Central
    ROAD: Directory of Open Access Scholarly Resources
    DOAJ Directory of Open Access Journals
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