NANO Alumnus Subrata Sarker and colleagues  published the following article in the Science of the Total Environment Journal:

Microplastics in fishes from the Northern Bay of Bengal

Hossain, M. S. et al. (2019) Science of The Total Environment, Vol. 690, Pages 821-830, DOI 10.1016/j.scitotenv.2019.07.065

Abstract

Microplastics were determined in pink Bombay-duck (Harpadon nehereus), white Bombay-duck (H. translucens) and gold-stripe sardine (Sardinella gibbosa) collected from the Northern Bay of Bengal at Bangladesh. Gastrointestinal tracts of fishes (n = 25 per species) were examined for microplastics following alkali digestion protocol, microscopic observations and chemical analysis by micro-Fourier Transformed Infrared Spectroscope (μ-FTIR). A total of 443 microplastic items were found in the intestines of H. nehereus, H. translucens and S. gibbosa, averaging in the range of 3.20–8.72 items per species. Among various shapes, colours and types of microplastics, irregular (37–43%), white/transparent (26–68%) and fiber (50–55%) were dominant. The size fraction of microplastics ranging between 1 μm and 5 mm was 68–84 items/kg biomass, and μ-FTIR analysis identified 13 particles of polyethylene terephthalate and 66 particles of polyamide. The study findings raised concern that microplastics in marine fish could be a threat to public health via the food chain.

Keywords

  • Microplastic
  • Sardine
  • Bombay-duck
  • μFTIR
  • Bay of Bengal
  • Bangladesh

Link for the publication here

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