International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064

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Analysis Study Research Paper | Environmental Science Studies | India | Volume 12 Issue 10, October 2023

Biodegradation of Low-Density Polythene (LDPE) by Microbes Isolated from Plastic Polluted Sites Majorly Consisting of Laboratory Waste

Bhavya Tiwari

Abstract: The present study was conducted to assess the effect of bacterial strains, isolated from polluted sites, on low-density polythene (LDPE). Various bacterial colonies were isolated from two different sites of Pantnagar (Uttarakhand, India) that were almost similar to each other in terms of physicochemical properties but differed in the type of waste being dumped on the locations. Site A was dumped with biomedical waste from Veterinary College whereas Site B was dumped with laboratory waste like broken glassware, old stationary and other refuses. The isolated bacteria were tested for biochemical activity and then inoculated in flasks filled with minimal media and strips of low-density plastic (single use polythene) in them. After incubating for a period of 30 days, it was observed that isolate Ah8 exhibited maximum degradation efficiency of 8.43% (weight loss percentage). The isolate showed similarity of 99% with bacterial strain Bacillus altitudinis.

Keywords: Low-density polythene, LDPE, Biodegradation, Bacterial isolates, weight-loss percentage, Bacillus altitudinis

Edition: Volume 12 Issue 10, October 2023,

Pages: 1039 - 1044

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